10万吨年(制麦塔)项目筏板大体积砼施工方案

10万吨年(制麦塔)项目筏板大体积砼施工 方案 气瓶 现场处置方案 .pdf气瓶 现场处置方案 .doc见习基地管理方案.doc关于群访事件的化解方案建筑工地扬尘治理专项方案下载 1.编制依据 1.1制麦塔施工图纸 1.2《混凝土结构工程施工质量验收 规范 编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载 》GB50204-2002 1.3《混凝土结构设计规范》GB50010-2002 1.4施工手册 1.5施工组织设计 1.6《大体积混凝土施工规范》GB50496-2009 1.7 招投标文件 2.工程概况 2.1工程概况 本工程为青啤麦芽公司10万吨/年麦芽工程～位于平度市香店街道办事处大泥河头村以西、青啤大道以东、登州路青啤三公司以南、厦门路以北的地块内～基坑南北边长52m～ 东西边长72m～ 周长约248m～ 基坑开挖深度最深处10.5m。基坑采用锚杆喷射混凝土支护方案～由山东地矿开元勘察施工总公司设计。制麦塔地下室一层～2底板结构筏板基础及承台基础～面积为2435 m～筏板厚度为4m～承台厚度为0.7m和0.8m～基础筏板面标高为-5.60m～承台面标高主要是-6.8m和-7.8m。一次性浇筑3混凝土约8000m～属于厚大体积混凝土～混凝土强度等级设计为C40～抗渗等级S8。具体如下图所示:本方案主要针对筏板混凝土浇筑。 主塔底板三位效果图 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 2.2现场概况 本工程基坑于2012年8月开始施工～截止2012年9月25日～开挖完成～支护9月30日完成～现场临时道路也基本完成。箱变及自来水管道安装到位～现场已具备三通一平施工条件。 2.3天气概况 根据天气预报及往年的历史记录～10月份至12月份第四季度为少雨多晴～气情况良好～气温最低5度～最高26度。 2.4供应商概况 青啤麦芽公司10万吨/年麦芽工程混凝土主要供应商为平度市南苑商品混凝土有限公司～其次考虑荣昌商品混凝土有限公司。 青岛北苑混凝土有限公司成立于2008年7月18日～注册资本2020万元人民币。公司现有职工72人～其中具有高、中级技术职称的专业技术人员12人～初级技术职称的专业技术人员18人。公司固定资产达2450万元～拥有多种预拌混凝土生产装备和设施。其中:“三一重工”HZS180型混凝土搅拌设备2套、HBD80C混凝土拖泵1台、日产五十铃46米混凝土泵车1台、日产五十铃48米混凝土泵车1台、青特牌混凝土运输车20辆、150吨地磅1套、200吨水泥储存罐8个～生产装备和设施在同行业中是属于先进的。 2.5交通概况 本工程地理位臵优越～周边青啤大道、登州路、运河东路均为城市主干道～混凝土浇筑车辆运输路线主要为以下线路,线路1、线路2,～见下图: 北苑商砼 青啤麦芽厂 of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state2 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 3.施工准备 3.1技术准备 熟悉图纸～了解承台相关标高～仔细核对承台钢筋绑扎是否正确。了解混凝土的强度等级～仔细阅读结构设计说明中关于混凝土方面的设计说明。根据大体积混凝土工程特点和现场实际情况～着重作好以下几个方面的技术准备工作。 (1)混凝土试配:在混凝土搅拌站进行C40/S8混凝土的试配～重点解决大体积混凝土施工中降低混凝土水化热问题。 (2)材料检验:混凝土用粗细骨料严格按 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 要求取样以验证具体指标～合格方可使用。严格保证原材料的质量～对于水泥、粉煤灰等普通原材料经试验室检验合格后方可使用,外加剂有出厂合格证方可使用。 (3)技术交底:组织分级技术交底～包括混凝土浇筑平面布臵、浇筑方向、操作要点、施工注意事项～以及混凝土施工质量、安全、文明施工等要求。 ,4,试验:根据混凝土施工方量及浇筑进度 计划 项目进度计划表范例计划下载计划下载计划下载课程教学计划下载 ～本次混凝土浇筑标养试块30组～同条件试块6组～拟根据施工供料情况分阶段进行见证取样～根据施工进度计划～拟分白夜班跟踪检查混凝土质量及取样工作。 3.2物资准备 本工程物资准备主要针对养护及抢险物资准备～具体如下: 序号 名称 规格 数量 备注 1 对讲机 8部 现场协调 22 彩条布 3000m 现场防雨 23 塑料薄膜 5000m 黑色、0.2mm以上厚度 24 养护毯 1000mm 5000m 砼面养护 5 混凝土试模 100×100×100 15组 分批做 6 抗渗混凝土试模 170×160×150 7组 分批做 7 钢筋 φ25×1500 300根 8 自来水 养护备用 29 多层板 2000 m their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 3 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 3.3机械设备准备 根据混凝土施工安排～除准备机械设备满足施工需要外～另组织机械配件以保证设备的正常运转。 序号 名称 规格 数量 备注 1台备用～罐车必须保证1 混凝土输送泵 HBT80 5台 24台以上 根据需要配备弯管、6m软2 输送泵管 φ125 200m 管 3 插入式振动棒 ZN-50 10台 L=6m、8m、10m 污水泵 2台 混凝土浇筑浮浆清理 水4 泵 软抽泵 ZX-50 2台 工作面内积水抽排 3 1台 清理工作面 5 空压机 0.6m 6 塔吊 TCT6032 1台 混凝土覆盖 37 料斗 2m 2套 混凝土覆盖 3.4劳动力准备 人数,白班, 序号 工种 人数,夜班, 工作内容 1 钢筋工 5 5 看保护层～必要的钢筋校正 2 木工 8 8 看保护层～必要的模板校正 3 混凝土工 30 30 振捣混凝土～浇筑面上指挥下料 4 抹灰工 6 6 混凝土表面压抹 5 养护工 2 2 混凝土养护 拆泵管、塔吊料斗卸料输送泵辅6 辅助工 10 10 工、混凝土表面覆盖 7 电工 1 1 混凝土施工用电保障 8 管工 1 1 混凝土施工用水保障 9 机修工 2 2 混凝土施工机械保障 , examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,4 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 3.5现场准备 检查供电线路～保证混凝土浇筑期间施工用电。混凝土浇筑时根据混凝土浇筑方向每隔20米布臵一个三级配电箱～另现场安排电工值班～随时对发生异常或故障的线路进行抢修。 制麦塔区域除塔吊处镝灯外～另在临时道路上设臵碘钨灯～施工现场另配制5个移动碘钨灯以保证夜间施工照明。 从青啤大道入口至施工现场作为混凝土浇筑主场地及交通主干道～混凝土浇筑前对路面进行清理～要求路面范围不得堆放其他材料。 地下室-2层搭设临时监视棚、休息棚等作为工人、管理人员临时休息及测温监视场所。 3.6供应商准备 根据施工安排～大体积混凝土一次性浇筑方量为8000立方～根据混凝土施工要求～混凝土输送泵配臵3台,其中1台备用,～混凝土罐车20台～水泥2200t～矿粉1000t～粉煤灰500t～砂8000t～碎石10000t～外加剂100t。根据上述需求～拟10月18日对搅拌站输送泵、混凝土罐车进行编号～编号部分设备及运输车辆作为10月20日大体积混凝土浇筑专用设备～不得挪做其他项目使用。另对搅拌站库存材料进行核对～保证混凝土浇筑期间混凝土材料供应。 3.7外部环境准备 根据施工进度安排～混凝土连续浇筑时间约3天3夜～外部环境主要涉及交通、夜间施工、城管、环卫等部门～拟2012年10月16日由我司起草、业主、监理审核的关于制麦塔筏板混凝土浇筑的报告已递交给青岛麦芽厂项目部～拟请青岛麦芽厂项目部帮助协调混凝土浇筑期间交通组织、夜间施工等问题。 3.8其他准备 为保障在天气情况恶劣的情况下的混凝土浇筑顺利～增设后勤保障部～除保障现 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 5 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 场施工人员食品供应外～另在施工过程中保证热水、热汤不间断供应。由于天气变化较大～项目将提前准备雨衣等防寒、防雨设施～并准备必备的治疗感冒、创可贴等急救小药品。 4.施工部署 4.1施工总体部署、流程 根据本工程底板标高较多及保证混凝土浇筑质量的特点～混凝土浇筑采用斜推的方式～由东向西推进。根据混凝土方量及多方面综合考虑～拟布臵混凝土输送泵4台,备用1台,～罐车24台。 1,混凝土方量计算 3+ 2435?×4m×80%=7792m 2,混凝土施工顺序 根据上述混凝土方量计算及混凝土配合比设计中缓凝设计为12小时,实验室数据,～室外环境缓凝设计为8小时～拟浇混凝土上下层覆盖时间设计为6小时。 3制麦塔筏板及承台混凝土一次连续浇筑完毕～浇筑方量约为8000 m。 3底板混凝土拟从电梯坑及积水坑开始浇筑～此部分土方约有800 m～四台汽车泵大约需要5.6小时浇筑完成,之后四台汽车泵分别从东、西、南北向中心进行浇筑～ 3分层厚度为500mm～每层混凝土方量约为800 m～亦需要5.6小时完成……如此循环直到浇筑到-5.600m标高为止。 4.2施工进度计划安排 本工程砼方量约为8000～拟布臵4台输送泵～考虑最不利因素～输送泵每小时输送36立方～混凝土浇筑时间约为2.8天～考虑换班及夜间施工效率、车辆高峰期运输等问题～混凝土浇筑时间确定为3天。 4.3施工组织机构及人员安排 本工程大体积混凝土浇筑小组组长为***～主要职责为全权负责本次混凝土浇筑工程。本次混凝土浇筑分为两班～白班和夜班～白班由***、***负责～夜班由***、 of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state 6 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 ***负责。现场设臵前台和后台～前台主要负责混凝土浇筑指挥～后台主要负责混凝土罐车调度。前台白班由潘振国负责～夜班由***负责～后台白班由***负责～夜班由***负责。后台另派调度进驻搅拌站～及时沟通联系保证混凝土供应。具体如下: 白 班 总协调 *** 白班负责 前台责任工程师 *** 现场混凝土质量控制 ***负责～***搅拌站～ 后台责任工程师 *** **场外罐车管理～***大门 试验工程师 *** 试验 机电工程师 *** 现场供电保障 质量工程师 *** 根据方案对已浇筑混凝土进行时间计量 安全工程师 *** 安全防护工作 计量工程师 *** 混凝土罐车抽测及2#出口检查 测温工程师 *** 现场测温及数据汇总 砼作业主管 *** 现场混凝土振捣管理 砼振捣工 *** 振捣 木工保守工 *** 木工看护 钢筋保守工 *** 钢筋看护 安装保守工 *** 安装看护 交通指挥 *** 大门处罐车进出管理 炊事员 *** 食品供应及夜宵保障 搅拌站调度 *** 全权负责现场与搅拌站的联系 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 7 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 晚 班 总协调 *** 夜班负责 前台责任工程师 *** 现场混凝土质量控制 **负责～**驻搅拌站～ 后台责任工程师 *** **场外罐车管理～**大门～ 试验工程师 *** 试验 机电工程师 *** 现场供电保障 质量工程师 *** 根据方案对已浇筑混凝土进行时间计量 安全工程师 *** 安全防护工作 计量工程师 *** 混凝土罐车抽测及2#出口检查 测温工程师 *** 现场测温及数据汇总 砼作业主管 *** 现场混凝土振捣管理 砼棒手 *** 振捣 木工保守工 *** 木工看护 钢筋保守工 *** 钢筋看护 安装保守工 *** 安装看护 交通指挥 *** 大门处罐车进出管理 炊事员 *** 食品供应及夜宵保障 搅拌站调度 *** 全权负责现场与搅拌站的联系 备注:白班、晚班轮流作业～每班12小时。白班早上6点--晚上6点～晚班晚上6点--早上6点。要求定岗定人定责～保证大体积混凝土一次浇注成功。 白班、夜班中餐、晚餐、夜宵均由项目组织食堂人员送至现场～后勤保证24小时热水、热汤供应。 of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio 8 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 4.4泵车及罐车组织 1)混凝土泵车数量的确定 混凝土泵实际平均输出量采用公式Q1 = Qmax×α1×η进行计算～式中符号意义如下: 3Q1 — 每台混凝土泵的实际平均输出量,m/h,, 33Qmax — 每台混凝土泵的最大输出量,m/h,～取80 m/h, α1 — 配管条件系数～取0.9, η — 混凝土泵的作业效率～一般取0.5，0.7～取0.5。 3则混凝土泵的实际平均输出量为Q = 80×0.9×0.5 = 36 m/h。 混凝土泵的台数根据下式计算:N = Q/,Q1×T,～式中符号意义如下: N — 混凝土泵台数,台, 3Q — 混凝土浇筑数量,m, 3Q1 — 每台混凝土泵的实际平均输出量,m/h, T — 混凝土泵作业时间,h, T = 15000/,36×20×7,= 2.8天 根据实际经验～混凝土HBT80输送泵输送10立方约10分钟～根据现场实际情况～扣除罐车就位、人工操作、泵管安拆等时间～实际混凝土输送效率仅达到70%～另考 3虑一定的意外保险系数,如混凝土供应、交通等,～故输送泵实际输送量取36 m/h～故拟配臵4台混凝土输送泵～考虑一定的富余时间～浇筑时间设计为3天～另为保证浇筑顺利～拟考虑现场准备1台输送泵备用。 2)混凝土搅拌运输车台数计算 泉济混凝土搅拌站至项目主要路径见下图。我司根据混凝土运输车行走路线进行实地行走～混凝土搅拌站至项目往返约为45分钟。 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 9 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 北苑商砼 青啤麦芽厂 每辆搅拌车往返一次按80分钟考虑～按如下公式 N1 = Q1×,60L1/S0+T1,/60V1进行计算～式中符号意义如下: N1 — 混凝土搅拌运输车台数,台,, 3Q1 —每台混凝土泵的实际平均输出量～取36m/h, 3V1 — 每台混凝土搅拌运输车的容量～取10m, S0 — 混凝土搅拌运输车的平均行车速度～取60km/h L1 — 混凝土搅拌运输车往返距离～取45km, T1 — 每台混凝土搅拌运输车总计停歇时间～取60min。 则需运输车数量为:N1 = 36×,60×45/60+60,/60×10 = 6台～4台输送泵共需24辆运输车。考虑到其它不确定因素～共配备混凝土运输车26辆。 4.5施工总平面布臵 混凝土输送泵布臵地点～场地应平整、坚实～靠近排水设施及供电设施～以便于水、电的使用～并有足够大的场地以供混凝土罐车的停放、下料、调头。所以从现场情况以及混凝土罐车的行走路线的情况的综合考虑～拟在基坑北侧安臵砼泵车～罐车统一从青啤大道大门进场～从登州路大门出场～登州路大门处设臵洗车点～所有罐车冲洗后均可出场。要求泵管连接完好～加固措施得当～现场配备泵管配件和泵管以防 -quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h10 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 现场管件损坏需替换。现场布臵见附图。 5.施工方法 5.1混凝土配合比 根据以往的经验～本工程底板C40/S8混凝土设计配合比如下:,侍商砼产家出具数据,。 外加剂 材料名称 水泥 矿粉 粉煤灰 水 砂 碎石 1 3 10.1 45 用量,kg, 290 70 65 165 733 1025 水灰比:0.50 砂率:40% 水泥为普通硅酸盐水泥～砂为?区中粗砂～泥含量小于1.0%～无泥块,石为-31.5mm连续级配～泥含量小于1.0%～无泥块～矿粉为S95矿粉～粉煤灰?级灰～5 外加剂为WRA型高性能防水、抗渗、减水、膨胀、缓凝高效减水剂。 外掺抗渗防水剂UEA-N10%,水泥用量,。 混凝土初凝时间为12h左右～终凝时间为16h左右,实验室环境,。 用于此大体积混凝土的水泥、砂、石、水控制其温度分别为:20?、15?、15?、12?,砂、石含水率分别为5%、0.4%。 配合比热工计算: 1 混凝土拌合物温度: T=[0.9(mT+mT+mT)+4.2T(m-ωm-ωm)+c(ωmT+ωmT) 0 cecesasaggwwsasagg1sasasaggg -c(ωm+ωm)]/[4.2m+0.9(m+m+m)] 2sasaggwcesag =[0.9(330.5×20+733×15+1025×15)+4.2×12×(165-5%×733-0.4%×1025) +4.2(5%×733×15+0.4%×1025×15)]/[4.2×165+0.9×(330.5+733+1025)] = 15? their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 11 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 3式中 W—每立方米混凝土的胶凝材料用量,kg/m, Q—水泥水化热,J/kg,～取377 J/kg, m—与水泥品种、浇捣时温度有关的经验系数～一般为0.3，0.5, t—混凝土浇筑后至计算时的天数,d,。 c—混凝土比热～一般由0.92，1.00～取0.96,J/kg.k,; 3ρ—混凝土质量密度～取2400kg/m. 胶凝材料水化热总量Q为: = K× = ,k1+k2-1,×297.9 = 259.2 KJ/kg 式中:——水泥水化热总热量, ——胶凝材料水化热总量, K——不同掺量掺合料水化热调整系数～K1、K2分别为粉煤灰、矿粉掺量 对应水化热调整系数～K = K1+K2 ～K1、K2数值如下表: 掺量 0 10% 20% 30% 40% 粉煤灰,K1, 1 0.96 0.95 0.93 0.82 矿渣粉,K2, 1 1 0.93 0.92 0.84 2 混凝土的绝热温升: ′T= [290+0.3×,65+70,]×259.2/(0.97×2400) = 36.8? max 混凝土最高温度为:T = 7+36.8 = 43.8? max the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, im12 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 式中 T—混凝土内部最高温度, max ′ T—混凝土绝热温升, max T—混凝土入模温度～取7?, 0 e—常数～为2.718。 3、混凝土中心计算温度,计算3天、5天, -0.5×3T? = [290+0.3×,65+70,]×259.2×,1-e,/(0.97×2400) = 30.1? -0.5×5T? = [290+0.3×,65+70,]×259.2×,1-e,/(0.97×2400) = 33.8? 在混凝土浇筑完毕的3-5d左右～混凝土水化热最大～然后慢慢减小。 5.2浇筑方法 1,对混凝土施工的一般要求 为确保大体积混凝土施工质量～提高混凝土的均匀性和抗裂能力～必须加强对混凝土每一环节的施工控制～要求现场人员必须从混凝土的拌合、运输、浇筑、振捣到养护、保温整个过程实行有效监控。混凝土施工严格按照国家有关的验收规范进行～并应特别注意以下方面: ,1,混凝土拌制配料前～各种衡器应请计量部门进行计量标定～称量误差应符合规范要求。混凝土拌制应严格按配合比进行～使其和易性满足要求。 ,2,混凝土应按规定厚度、顺序和方向分层浇筑～必须在下层混凝土初凝前浇筑完毕上层混凝土。 ,3,在浇筑混凝土过程中～必须及时清除仓面积水。 2,凝土运输与泵送 ,1,拌制。控制原材料投入搅拌机顺序～不得采用“外掺”、“后掺”等作法。混凝土必须严格控制拌制时间～驻站工程师每一班抽测2次。搅拌完成后装入运输车时～即要求每车测定坍落度～同时观察混凝土的和易性、不得存在离析、分层等现象～坍落度不符合要求的混凝土不能出站。 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 13 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service ,2,运输:根据路线的比短、交通的状况～随时增减车辆～保证混凝土的正常供应～连续浇注～避免因混凝土供应不上而出现冷缝。混凝土运输时间在任何情况下不得大于180min～对到达浇筑点超过210min的混凝土不得使用。混凝土运输车离开搅拌站后不得掺加任何材料～包括水、外加剂等。混凝土坍落度在运输过程中损失超过40mm或混凝土到达浇筑点温度大于25?～不得浇筑到作业面。要求从每个搅拌站每隔一段时间就派出一辆混凝土罐车～保证混凝土供应的均衡性。因大体积混凝土方量较大～要求搅拌站派管理人员进驻现场指挥、联络、协调～发现问题及时解决。 为防止商品混凝土在运送过程中塌落度产生过大变化～混凝土罐车在运送途中～搅拌筒不得停止转动～混凝土罐车卸料前～应使搅拌筒全速,14—18r/min,转动1—2分钟～并待搅拌筒完全停稳不转后～再进行反转出料。 ,3,混凝土罐车卸料时～应先低速出料～观察其质量～如大石子夹着水泥浆流出～说明罐内物料已发生沉淀应立即停止出料～再高速顺转搅拌2—3分钟～方可出料～其情况仍未好转～不得再向料斗中卸料。 ,4,混凝土泵机料斗上要加装一个隔离大石块的筛网～其筛网规格与混凝土骨料最大粒径相匹配～并安排专人值班监视喂料情况～当发现大块物料时～应立即捡出。 ,5,混凝土应保证连续供应～以确保泵送连续进行。不能连续供料时～宁可放慢泵送速度～以确保连续泵送。当罐车供应脱节时～泵机不能停止工作～应每隔4—5分钟使泵机反转两个冲程～把物料从管道内抽回重新拌和～再泵入管道～以免管道内拌和料结块或沉淀。 ,6,泵送前应先用适量的与混凝土内成分相同的水泥浆或水泥砂浆润滑混凝土输送管内壁。 ,7,泵送时～应随时观察泵送效果～若喷出混凝土系一根柔软的柱子～直径微微变粗～石子不喷出～证明泵送效果较好～若喷出一半就撒开～说明和易性不好～喷到地面时砂子飞溅严重～说明坍落度偏大。 ,8,泵送过程中～受料斗内应有足够的混凝土～以防止吸入空气产生阻塞。 ,9,在现场随时抽查坍落度～若发现坍落度不符合要求～则退回混凝土搅拌站～现场不得随意加水。 quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-14 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 ,10,运输过程中～坍落度损失或离析严重～经补充外加剂或快速搅拌已无法恢复混凝土拌合物工艺性能时～不得浇筑入模。 3,混凝土浇筑 ,1,采用斜面分层浇筑的方法浇筑～由下层端部开始逐渐上移～循环推进～每层厚度400mm～通过标尺杆进行控制。夜间施工时～尺杆附近要用手把灯进行照明。浇筑时～要在下一层混凝土初凝之前浇捣上一层混凝土并插入下层混凝土5cm～保证 振动棒(下料处)上下层浇筑间隔不超过混凝土初 振动棒(来回循环)凝时间～避免施工裂缝出现。每一振动棒(坡脚处)次的振捣时间20-30s以避免上下 层混凝土之间产生冷缝～同时采取 二次振捣法保持良好接槎～横向振 捣接界面的搭界长度至少500mm。 ,2,混凝土振捣方式:每个砼泵口布臵3台振动棒。混凝土振捣时布臵三道振捣～第一道设在混凝土的坡角～确保下部混凝土的密实,第二道设在混凝土的坡中间～第三道设在混凝土的坡顶。每道设2台振捣器～三道振捣相互配合～确保振捣覆盖整个坡面。使用振捣棒振捣～振捣棒插入下层混凝土中的深度>50mm～振捣棒移动的间距以400mm左右为宜～振捣棒要快插慢拔～插点要均匀排列～逐点移动～顺序进行～不得遗漏～做到均匀振实～每一次振点的延续时间一般为20—30秒～以混凝土面泛浆和不再沉落为准。横向振捣界面的振捣搭接至少500mm宽～以防止交界处的漏振。混凝土表面要用刮杠刮平～再撒5mm—25mm碎石～用木抹拍实抹平。 ,3,表面处理。由于泵送混凝土表面水泥浆较厚～在浇筑后2，8h～初步按标高用长刮尺刮平～然后用木板反复压数遍～使其表面密实～再用铁面板收面后立即用塑料薄膜覆盖。 ,4,加强施工管理。在混凝土结构中～强度不是均匀的～裂缝总是从强度最低的薄弱处开始～当混凝土质量控制不严～混凝土离差系数大时裂缝就多。为防止裂缝～必须加强施工管理～提高混凝土的施工质量。 33,5,商品混凝土管理规定～连续浇筑量超过1000m一般按照每200m 留臵强度 3试件一组～每班留现场同条件养护试块一组。抗渗试件,按每500m取一组试件。所有 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 15 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 试件随机取样～成型后用塑料膜严密覆盖～脱膜时写好编号、日期及部位～除同条件养护外～其余强度试件及抗渗试件立即进入标养～以免因试件养护不利出现对工程质量误判。 ,6,混凝土浇筑要按信息化施工的原则加强现场调度管理～确保已浇混凝土在初凝前被上层混凝土覆盖～不出现“冷缝”。 ,7,混凝土振捣操作人员必须挂牌上岗各负其责～必须服从现场施工技术管理人员统一安排和指挥。 ,8,凡板面上有墙体吊脚膜板部位应控制下料～在板浇平振实后～稍作停歇～在混凝土初凝后和终凝前再浇板面上“吊脚膜板”内的墙体～浇筑墙体并振捣之后～不得再插捣“吊脚膜板”附近墙体,即先振捣底板混凝土再振捣导墙混凝土,～用木槌适度敲打“吊脚膜板”外侧～使可能存在的沉缩裂缝闭合～保证混凝土不产生孔洞、麻面、蜂窝。 ,9,混凝土板面标高控制采用每隔2m设标筋找平。 4,裂缝的防治 控制好混凝土所用的原材料的质量～特别是骨料的含泥量必须不大于1%。 ,1, ,2,底板浇筑至标高后～在终凝前用抹光机反复抹压多次～防止混凝土表面的沉缩裂缝出现。 ,3,有埋管部位及表面有粗大钢筋部位,振捣之后初凝之前易在混凝土表面出现沉缩裂缝～应及时采用人工三次压抹予以消除。处理之后～为防止水分继续蒸发使混凝土表面干缩～应立即进行表面覆盖和保湿养护。 ,4,泌水处理。混凝土在浇筑、振捣过程中～上涌的泌水和浮浆顺混凝土坡面下流到坑底～通过侧模底部开孔将泌水排出基坑或排到集水坑。当混凝土大坡面的坡角接近顶端模板时～改变混凝土浇筑方向～形成集水坑～及时用水泵将泌水排除～以提高混凝土质量～减少表面裂缝。 ,5,加强混凝土的养护工作～保证满足《大体积混凝土施工规范》GB50496-2009规定的混凝土内外温差不大于25?～混凝土表面温度与环境温度相差不超过20?～ he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-16 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 以避免因混凝土水化热造成的温度裂缝。 ,6,加强混凝土温度的测量工作～发现测温系统报警时必须采取提高混凝土表面温度的养护措施～以达到不超过规范的规定。 5.3混凝土浇筑总平面管理 1,根据现场混凝土浇筑总平面～输送泵混凝土供应均由青啤大道大门进～登州路大门出～青啤大道大门调度统一安排罐车进场。 2,青啤大道大门处设臵收料员及纪录员～负责料单签收及混凝土罐车登记～主要目的是控制混凝土浇筑周期内混凝土供应商罐车数量段罐车待命数量控制。 3,现场设臵洗车槽～设臵在登州路侧～车辆出登州路门必须清理干净方可上路。 4,在输送泵处罐车供料完成示意～日间以红旗为准～夜间以红色信号灯为准。 5.4混凝土养护 ,1,降低大体积混凝土块体里外温度差和减慢降温速度来达到降低块体自约束应力和提高混凝土抗拉强度～以承受外约束应力时的抗裂能力～对混凝土的养护是非常重要的。只有充分湿养护才有利于混凝土的膨胀效能发挥～必须提高养护意识。必须设立专职养护人员～建立严格的混凝土养护制度。保湿养护的时间不得少于14d～并经常检查塑料薄膜的完整情况～保持混凝土表面湿润。 ,2,混凝土在浇注及静臵过程中～由于多种因素的综合作用极易产生非结构性裂纹～因此混凝土宜两次收光,第一次在初凝前3小时～主要是把底部的水拍出表面～第二次在初凝前～宜边收光边用塑料薄膜覆盖～然后再铺两层防寒毡、防寒毡上再盖一层塑料薄膜～最后再铺一层多层板。 ,3,大体积混凝土的养护采用蓄热保温养护法 大体积混凝土的养护是保证混凝土质量极为关键的工序～当混凝土表面抹平之后～且在混凝土初凝之后～马上在其表面覆盖保温材料～其厚度按以下计算。 ? 混凝土与保温材料接触温度 T = T-25? = 43.8?-25? = 18.8? bmax their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 17 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service ? 混凝土表面的保温层厚度 = 0.5×4×0.03×,18.8-5,×1.3?,2.3×25,= 0.0187m = 19mm 式中 δ——混凝土表面的保温层厚度,m,, λ——混凝土的导热系数[W/,m〃K,]～此处取2.3, 0 λ——保温材料的导热系数[W/,m〃K,]～防寒毡为0.03 i T——混凝土浇筑体表面的温度,?,, b T——混凝土到最高温度时大气平均温度,?,～此处取5? q T——混凝土浇筑体内的最高温度,?,, max H ——混凝土结构的实际厚度,m,, K——传热系数修正值～此处取1.3。b 为了保证大体积混凝土内外温差控制在25?以内～根据砼温差变化～混凝土表面采用1层塑料薄膜+2层防寒毡,20mm,+1层塑料薄膜养护+1层多层板,16mm,～使混凝土表面不直接暴露在大气中～覆盖薄膜前～用喷雾器洒水。 5.5冬期施工 ,1,混凝土冬季施工受冻临界强度应满足下列要求:采用普通硅酸盐水泥配制时～应为设计强度标准值的30%。此工程由于具有抗渗要求～临界强度应为设计标准值的50%。 ,3,冬期施工所有的外加剂～其技术指标必须符合相应的质量标准及设计要求～应有产品合格证。 ,4,混凝土试块制作时亦要防冻～在温度较低时～应在试块制备之后以及拆模养护过程中要放入筏板养护层内～保证与工程同条件养护。标准养护试块在制作后～ -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management 18 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 拆模前禁止受冻。 ,5,在浇筑筏板大体积混凝土前1d～在基坑周边每隔6m设一个汽油筒做成的火炉～以提升基坑内的温度。火炉外侧沿基坑四周用彩条布设2米高围挡～以减少基坑内因风的影响造成热量的散失～以保证筏板周围环境的温度不低于5?。 ,6,模板和保温层～应在混凝土冷却到5?后方可拆除。当混凝土与外界温差大于20?时～拆模后的混凝土表面～应临时覆盖～使其缓慢冷却。 ,7,冬期施工运输混凝土拌合物～应使热量损失尽量减少～则必须选择最短的混凝土运输路线～并减少混凝土的装卸次数。 ,8,在混凝土浇筑前～应清除模板和钢筋上的冰雪和污垢～装运拌合物的容器应有保温措施。 ,9,浇筑大体积基础混凝土时～施工前要对地基进行保温以防止冻胀。 ,因为完全冷却的混凝土有较高的脆性～所以结构在冷却前不得遭受冲击荷,10 载和动力荷载的作用。 ,11,主塔楼大体积混凝土分层浇筑时～已浇筑层的混凝土温度在未被上一层混凝土覆盖前不应低于2?～采用加热养护前～温度亦不应低于2?。主塔楼混凝土分层浇筑过程中～如夜间温度降至0度或者遇大风天气时～需在基础完成部位的表面覆盖塑料薄膜加防寒毡～如遇降雪～需用彩条布覆盖已完成部位和未浇筑的部位～再次浇筑该部位时再掀开彩条布～并注意不得将彩条布上的积雪抖落到基坑中～在混凝土第一次初凝后～积雪融化前将就积雪清除。主塔楼核心筒墙最厚的位臵有1000mm和900mm～此处竖向构件属重要受力构件～冬季施工期间应重点考虑养护～养护方法为在模板外侧外挂两层麻袋或一层棉被～墙根和转角部位需重点覆盖。 5.6混凝土测温 采用热敏电阻加电子计算机的自动化测温方案～所采用的热敏电阻是国产的硅扩散电阻～它的灵敏度达到0.6%/?～即如其常温阻值是850Ω时～每变化一度～那么其电阻值变化5.1Ω～电阻随温度变化的重复性好～可以打入混凝土中～在测温完成后不用回收。在布点时将封装好的电阻可靠牢固地固定在钢筋上。热敏电阻和电脑测温采用了自动记录和报警系统～热电阻远端测量模块～RS485通讯输出温度值～由测 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 19 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 温软件自动记录～自动生成曲线～当混凝土内外温差达到施工规范要求的温差值时～系统可设臵自动报警～原理图见测温系统示意图。 热电阻 热电阻 热电阻 砼 上 砼 中 砼 下 RMA411测温模块 电脑温度检测监控系统 测温系统示意图 1,测温点的布臵: 22测区21个测点～测区布臵为沿中轴线5m,25m,远设一个点～以外按照10m,100m,布臵一个测点。每个测区沿砼截面垂直方向设三个感温元件～上点距砼表面10cm～下点距底面10cm～中间点取纵向几何中心～具体测试点见附图。 2,测温时间计划: 1、在混凝土浇筑之前十五天准备好测温用的电路及测温系统～提前五天将电阻准备完毕～包括封装、测试、最后标定及定位～在混凝土浇筑前两天完成最后准备及程序调试。 2、在开始浇筑混凝土前一天程序开始运行～并一直运行到混凝土浇筑完成后的第十五天。测温从混凝土浇筑开始～全天候电脑自动记录监测。在测温完成的一个月内提出测温报告。 3、测温频率:0，2天按1小时/次进行测温～3，4天按2小时/次进行测温～5，15天按6小时/次进行测温。 of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state20 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 3,技术措施: 1、砼温度变化是一个平缓的变化过程～在一段时间内温度不会突变～因此检测温度的时间间隔只要小于砼每升高一度的时间就可以了～因计算机速度快～设定为每一小时记录一次温度～为了滤在长线传输时的二频干扰～采用了抗干扰的屏敝线～而且每一次记录的温度都是几千次采样的平均值～有效地滤掉了干扰的波动。 2、如果混凝土上表面与中心温差接近25?～自动测温系统将会发出报警～值班人员将及时通知项目部有关负责人采取必要的保温等技术措施。 3、如果在测温过程中～排在施工现场上空的测温线被碰断～使温度检测数据丢失～值班人员将在一小时内重新连接～基本不会破坏测温曲线的连续性。值班人员也将加强电脑的监控～做到及时发现问题～及时解决。 4、施工单位应在浇筑混凝土前的交底会上提醒施工队伍在施工过程中尽量避开埋在混凝土中和架在施工现场上空的测温线～以防止出现不必要的麻烦～同时施工单位应提供连续稳定的电源条件～并派两人配合线路的维修保护等工作～以保证本次测温的顺利进行。 6.混凝土浇筑保护措施 6.1混凝土施工质量保证措施 为了确保大体积混凝土的浇筑质量、确保其不出现温度应力裂缝和干缩裂缝～必须在基础设计方面、混凝土原材料质量控制、配合比的设计、生产过程控制、运输、浇筑和保温保湿养护等过程中都认真执行以下措施: 1,混凝土原材料质量的控制 ,1,施工用水泥、外加剂、掺合料等按批量向使用单位提供出厂合格证。 ,2,水泥、砂、石、外加剂等原材料按“规范”进行复检～按批量向使用方提供复检报告～凡不合格的原材料绝不用于生产。 ,3,为保证原材料质量稳定～严格选用质量信得过的原材料供应商。 ,4,严格把好砂、石原材料进场关～凡目测质量不合格的～不准使用。 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 21 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service ,5,混凝土生产前及生产中会同甲方、监理对站内进行抽检～作好留样存查工作。 2,混凝土原材料温度的控制 ,1,在原材料堆场搭盖砂、石遮阳棚～避免砂、石曝晒且在大体积混凝土浇筑前一个星期将砂、石摊开堆放～尽量避免过高、过厚堆放～增加砂、石温度。 ,2,水泥、粉煤灰、矿粉等各设臵2个以上筒仓轮流使用～避免水泥、粉煤灰、矿粉等温度过高～导致砼入模温度过高。 ,3,砼拌和用水可采用冷水或者冰块来代替部分拌合水。 3,混凝土配合比控制措施 大体积混凝土配合比的选择～在保证基础工程设计所规定强度、耐久性等要求和满足施工工艺要求的工艺特性的前提下应做到: ,1,尽量减少水泥用量～降低混凝土的绝热温升。 ,2,尽量降低水灰比～有利于降低混凝土的绝热温升。 ,3,在大体积混凝土配合比中掺用一定比例的优质粉煤灰～既可改善混凝土的和易性、可泵性～又可提高混凝土的抗渗性。 ,4,在保证混凝土的和易性和满足坍落度的要求前提下～适当提高骨料的含量。 4,混凝土生产过程的控制 生产混凝土时～必须按规定程序对生产各环节、各工序的质量进行严格控制～对于生产大体积混凝土时～还要特别控制好如下几点: ,1,确保大体积混凝土连续供应、连续浇筑。 ,2,大体积混凝土的温控非常重要～除在混凝土材料和配合比方面采取一定技术措施外～对混凝土入模温度要进行控制～确保入模温度为7，12?。 5,混凝土运输过程中的控制 混凝土在运输过程中～应做到如下几点: -he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high22 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 ,1,运输车应具有防风、防晒、防雨、防寒设施。 ,2,运输车在装料前应将罐内的积水排尽。 ,3,运输过程中严禁向拌合物加水。 ,4,运输过程中～坍落度损失或离析严重～不得浇筑入模。 ,5,做好混凝土的防护工作～运输过程中慢速旋转搅拌筒～出料前应高速旋转搅拌筒2分钟～确保混凝土的均匀性。 6,温控施工质量保证措施 为了使各项温控措施落实到实处～建立和健全全面监督、管理机制～且严格实行温控工作责任制: ,1,负责检查各项措施的落实情况～在混凝土开盘之前～专门检查温控准备情况。 ,2,成立专门的温控管理班子～负责各项措施的落实并实施。 ,3,在核心筒底板开始施工之前～技术部进行温控技术交底。工程部必须做到逐步技术交底～使班组、工人能了解温控的必要性及操作情况。 ,4,技术部必须根据温控监测成果并及时做出温控施工技术效果评述。 6.2供应保障措施 1,作好与泉济混凝土公司的沟通协调工作～浇筑混凝土时将要求混凝土公司派驻专职调度进入施工现场～全权负责混凝土调度。 2,2012年10月18日致函给青岛麦芽产有限公司～要求北苑作好大体积混凝土浇筑的准备工作～项目与10-19日组织业主、监理、施工方对混凝土公司库存材料、罐车进行清点～以保证混凝土浇筑的顺利进行～另要求大体积混凝土浇筑期间～泉济不得为其他工地提供商品混凝土。 3,项目派驻调度员纪录～随时掌握待命罐车数量。 4,项目派调度员驻搅拌站～与现场调度员保持联络～掌握现场第一手资料～及 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 23 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 时对搅拌站混凝土供应作出调整。 6.3混凝土养护保障措施 1,测温小组对项目总工负责～测温频率严格按照方案执行～测温数据应第一时间告知项目总工。 2,本工程混凝土养护由专人负责～并安排日夜班～严格按照要求对混凝土进行养护。 3,2012年10月18日对进场的养护材料进行验收～要求材料数量、质量等均达到方案要求。 4,混凝土浇筑完成后应及时对混凝土进行覆盖～要求混凝土浇筑完成后6小时内完成覆盖。 6.4后勤保障措施 1,项目统一安排混凝土施工人员吃、住、洗等生活问题。由项目办公室组织食堂人员送饭到现场。 2,根据夜间施工情况～项目统一安排夜宵、热水、热汤等。 3,保证夜间热水不间断供应。 4,保证施工人员保暖及偶然疾病的防止工作。 6.5外部环境保障措施 1,组成以项目经理魏中华为组长的外部协调小组～并聘请业主、监理相关领导为小组顾问～保障项目混凝土浇筑期间的外部环境。 2,提前告知周围百货、酒店、生活区混凝土浇筑事宜～并作好相关人员的安抚工作。 3,与相关政府部门协调～保障混凝土浇筑期间的交通通畅。 4,提前与相关政府部门沟通～避免与市区的重大活动撞车。 prove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of high24 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 6.6用电保障 1,对现场供电系统进行检查～保证混凝土施工期间用电。 2,根据施工计划～混凝土浇筑时间3天～为保障混凝土施工用电～积极与相关部门沟通～保证混凝土施工的顺利进行。 3,项目2#配电箱与1#配电箱分别从不同的变压器引入～为避免其中一路线出现故障～拟现场准备备用电缆～一旦变压器故障～立刻更换备用电源。 6.7劳动力保障 1,本次混凝土浇筑要求混凝土工48人～拟浇筑人员由专业班组及内部职工共同组成。 2,合理安排劳动力～除混凝土振捣、收光等必须安排混凝土操作人员外～其他如接泵、泵管移位等均可由其他人员完成。 3,作好施工人员的后勤保障工作～特别是寒冷天气下的保暖等～保障混凝土施工人员的战斗力。 7.安全文明施工 7.1安全保证措施 ,1,项目部应把安全生产当作头等大事～认真组织有关人员学习、贯彻执行国家有关劳动保护和安全生产的各项政策、法令。落实安全生产责任～制定各项安全 管理制度 档案管理制度下载食品安全管理制度下载三类维修管理制度下载财务管理制度免费下载安全设施管理制度下载 。 ,2,所有操作工人进场后要进行三级安全教育～并实行统一考试、考试合格后方能上岗。并同所有作业队伍签订安全生产责任书。 ,3,做好特殊工种的培训工作～坚持持证上岗～未持证人员坚决不能上岗工作。严禁非特殊工种人员代替特殊工种作业～电气焊操作前必需办理当天的用火证并配有看火人员。 ,4,在安排施工任务时～必须进行专项有针对性的全面安全交底～履行签字手 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 25 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 续。交底内容要有针对性～不可泛泛而谈～针对重点问题提出重点可靠的防护措施。并明确责任人是谁。 ,5,认真执行安全操作规程～严禁违章指挥～违章作业～违反劳动纪律。 ,6,任何人进入现场区域必须戴好安全帽～不准穿拖鞋～高跟鞋或赤脚。混凝土操作人员处于湿作业环境中～振捣操作时要戴好绝缘手套～穿好胶鞋。 ,7,加强现场临电管理～经常检查配电设备的安全可靠性～如有损坏～及时更换～电线严禁有明接头。除电工之外的任何工种不准私自接改电线～需用时应向项目机电部门申请～由电工完成接线工作。各种小型电动工具～必需由专人进行操作使用保管。 ,8,现场照明灯具的架设高度要符合有关安全规程的要求～不低于2.5m。夜间施工必须有足够的照明设施～夜间灯光集中照射～避免灯光扰民。小型电动工具及照明设施的电线不允许直接敷设在栏杆上或随意拖地行走。 ,9,基坑周边搭设1200mm高围护栏杆～要严密稳固～栏杆用红白油漆间隔涂刷做醒目标识～并用密目安全网扎好封牢。上下人马道必须支设牢固～加扶手栏杆～梯步加木板防滑。 ,10,现场各种易燃材料要分区专库存放～现场各种消防器材齐备～性能良好。 7.2 文明施工保障措施 ,1,施工现场道路、办公区域设专人负责清扫。 ,2,合理安排作业时间～在夜间振捣混凝土时～尽可能避免发生拢民情况出现。 ,3,各项施工任务～做到工完场清。 ,4,混凝土罐车撤离现场前～派人用水将下料斗及车身冲洗干净。 ,5,施工现场严禁吸烟～严禁大小便～不得赤膊～穿拖鞋和短裤上班。违者将按管理规定给予重罚。 prove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of high26 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 8.应急预案 本次大体积混凝土施工连续作业时间长～且施工场地较小。为降低不可避免因素影响混凝土施工正常运行～我司特对可能存在的不利因素作以下预测并做好相应应急预案。 8.1应急组织 项目于2012年10月18日成立本次大体积混凝土施工应急小组～并于2012年10月19日正式启动。 组长:*** 副组长:***、***、***、***、***、***、*** 生产体系组员:***、*** 技术体系组员:***、***、*** 机械监控体系组员:*** 安全监控体系组员:*** 质量监控体系组员:*** 物质体系组员:*** 工地防卫、后勤体系组员:*** 8.2物质应急准备 序号 名称 规格 数量 备注 21 彩条布 5000m 现场防雨 22 塑料薄膜 8000m 黑色、0.2mm以上厚度 23 麻袋 9000m 砼表面养护 4 混凝土试模 150×150×150 35组 试验用 5 抗渗混凝土试模 160×170×150 15个 试验用 6 钢筋 φ25×1500 500根 防止冷缝 7 温水 30? 养护备用 8 手电筒 50个 现场巡视用 9 棉被、军大衣 30套 夜间加衣 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 27 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 8.3应急措施 可能发生的不利因素 应急措施 劳动力不足 拟4#、5#楼混凝土专业班组为后备作业人员。 现场设临时医务室～配备医疗人员三名轮流值劳动力伤害 班～并备足相应的医药物品 现场塔吊必须在施工作业前检测、维修完毕 机械故障 现场配备两名专业维修人员～另在施工机具准 备阶段～每种施工机具必须储备不少于现场操 作1/3的后备施工机具。 拟在地下室负一层一台发电机～并时刻做好接现场临时停电 线准备～及时保证现场供电。 提前清理陈列馆路、办公区域场地 现场设罐车总调度～负责与混凝土搅拌站沟通 联系～并负责罐车进场管理。要求混凝土罐车道路堵塞 停车位设臵在青啤大道至现场临时道路上～浇 筑场地不允许罐车停留～罐车放料完一车～再 进入口进一辆车。统一从登州开出。 立即组织人员进行泵管清理～为不影响混凝土 泵管堵塞 正常供应～拟在基坑北侧处布臵一台地泵～及 时供应混凝土～避免出现冷缝。 现场配备一名管理人员进行巡视～及时连接碰测温设备破坏 断的测温线。 混凝土内外温差超过25? 采用薄膜、麻袋覆盖和温水养护 配臵150mm长Φ25@150钢筋头及时插筋～并立出现冷缝 即覆盖上层混凝土。 要求商品混凝土搅拌站提前备足此次混凝土混凝土原材料供应不及时 浇筑量 保温材料覆盖不及时 在施工作业前项目物质部需提前采购优质薄 -quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, imthe sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h28 到 青啤麦芽公司10万吨/年(制麦塔)项目 筏板大体积砼施工方案 膜和麻袋～并整齐堆码与施工现场。 在大体积混凝土浇筑前～转运施工材料至相应影响其它施工作业区域施工进度 作业面或邻近楼层。 现场进出车辆禁鸣 现场建筑垃圾及时清理转运至垃圾场 施工作业影响周围居民 提前开展与当地居委会和居民进行交流～望得 到理解与支持。 在基坑四周设2m高彩条布挡风设施～增加基气温突然下降 坑周边取暖炉的数量。 附图1 现场汽车泵布臵平面图 their own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote - 29 - the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effective integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensive coordination, service 附图2 筏板混凝土温度测试点布臵图 the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competitio of education and training of cadres and workers of the existing business, firmly establish the concept of the market, enhanceowned assets.(five) to strengthen the construction management personnel. Strengthen the management -ensure that the value of state of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development,, examination and approval procedures, strict regulation win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation-ustries and regional resources, mutual trust, mutual benefit, seeking winr indf resources. To further broaden their horizons, effective integration of resources within the group, the city resources, otheof alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration o titione of the brand, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competrength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coveragive sTo establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competit nditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three) vigorously promote the brand.their own coe coordination, serviceterprise and industry group mission to promote leapfrog development.staff assistant, supervision and inspection, comprehensivs, enstrial development, financial investment policy, financial policy and tax policy, and actively seek policy, projects and fundabout social support the development of cultural undertakings in the country and the XX policy, especially the policy of indu searchenhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious reard work, and promote the entire workforce knowledge structure, age structure, structure optimization and upgrading ability, quality professional management team, h-quality management management personnel, and strive to build a high-he introduction of highprove management and operation of the market. At the same time, according to the need of industrial development, vigorously tn, im30