圆管涵施工工艺

圆管涵施工工艺 K30+500圆管涵施工 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 一、工程概况: 0 K30+500涵为1-Φ1.5m钢筋混凝土圆管涵，涵洞与路线成90交角，涵洞长45.5m,进口型式为一字墙、跌水井，出口型式为八字墙。涵顶填土高度大于4m,小于6m。管节为C30钢筋混凝土，管身基础为C15片石混凝土，八字墙、一字墙基础均为C15砼，八字墙、一字墙及帽石为C20混凝土，洞口铺砌、一字墙护坡、隔水墙为M7.5浆砌片石，勾缝用M7.5砂浆，基坑底采用小型设备夯实。 二、施工准备: 施工前做好以下准备工作: 1、材料进场及检验 砂、石、水泥、钢筋、石灰等材料已检验合格，材料进场已满足开工需要。 2、对导线点和高程进行复测，经确认无误后进行基础原地面清理放样，打出护桩，标出基坑轮廓线。 3、所需施工人员和机械已进场。 4、安全防护措施，基坑防排水，措施已制定并落实。 5、熟悉施工图纸，编制了施工方案，下达技术交底。 三、施工方案 1.涵洞所用管节在厂家集中预制，现场吊装。 2.涵洞所需砼以及砂浆采用落村坂高架桥拌和站统一供料。 3.本涵洞计划于2006年3月10日开工，工期10天，于2006年3coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 月20日完工。 四、施工方法: 1、基础开挖: 基础采用人工配合机械开挖，用挖掘机按放出的开挖轮廓线从上而下开挖，挖出的土用自卸汽车运走，基底平面尺寸每边宽出结构边线50cm，机械开挖至基底标高以上30cm厚时，停止开挖，向监理工程师报检，待检验合格后，人工修整边坡，开挖剩余30cm后的基坑土方，平整且夯实基底,然后向监理工程师报检,待地基承载力检验合格后,进行下一步施工。 2、基础施工: 1)基底处理 砂砾垫层回填前先将基顶整平夯实，并控制基顶标高线，根据回填砂砾中部和端部厚度不同，分层进行填筑夯实，砂砾采用质地坚硬的砂砾石，不得含有植物、垃圾等杂质，石子最大粒径不大于50mm，含泥量不大于5%，卵石粒径为5mm--60mm，级配较好，吸水率不大于5%，施工前先做好砂砾石的配合比试验确定最佳含水量和分层铺设厚度，每层全面均匀夯压4-5遍。 2)注意事项: ?铺筑前先行验基，边坡必须保持稳定，做好排水措施，使基坑保持无水状态。 ?钉立标志桩控制填料厚度，中部垫层底面根据设计要求在同一高程，在中部和端部不同高度垫层交接处，基坑底面应挖成阶梯或斜坡搭接，coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 并按先深后浅顺序进行垫层施工。 ?填毕后不能暴露过久，及时进行圬工基础浇筑，并及时回填基坑。 3)质量要求及验收: 施工过程中分层取样测定干密度，每100m?不少于2个点，取样点位于每层2/3的深度处，实测干密度不小于设计要求为合格，上层合格后才能进行下层施工。砂砾垫层压实度用灌沙法取样进行测定。 4)混凝土基础 根据基础的纵横轴线、平面尺寸进行放线，再根据边线对模板进行加固。模板采用组合钢模板，模板采用的原则:结构物所需的模板块数少、拼接少，节省连接和支撑配件，减少拆除工作量，增强模板整体刚度，配板时将钢模板的长度方向沿着基础结构的长度方向排列以利于用长度规格较大的钢模板和增大钢模板的支承跨度，钢模板在拼装超过4m时，每4.5m留3mm--5mm的富余，在安装端头时统一处理。 安装前先绘制模板组装图，对不足模板的空缺部位和非直角的转角处用木模补配，编制钢模配件表，拟定需用机具及劳动力，模板采用现场拼装组合，用回形卡钩头穿入相邻的两模板边肋的卡孔中，按下回形卡弧形部分使其夹住模板拼接处两边肋，两模端部卡孔则用L形插头插入连接，然后拼上纵横向钢楞和蝶形扣件或弓形扣件，用钩头螺栓从两钢楞中间穿入，钢楞装好后拧紧模板拉杆螺栓并设立支撑，使模板保持整体稳定，钢模板拼缺处用木模镶补，木模板应按钢板边肋上的卡孔眼位钻孔，用紧固螺栓将木模与钢模连接。 混凝土采用分层浇筑，第一层先浇筑至管节底水平高度，待管节安装coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 后再进行下层混凝土浇筑，直至到基础设计标高线，混凝土的拌和、浇筑均按施工规范要求进行施工。 3、管节制作: 涵管管节由专业厂家按设计图纸集中预制。 1)管节钢筋 钢筋进场前必须进行原材料检验，合格后方可进场，涵管的钢筋有内外两层，螺旋筋均为Ф12，纵向分布筋为φ8，钢筋按设计要求的尺寸和大小加工成螺旋筋状。 2)模板制作 模板采用定形钢模板，在厂内进行统一加工制作，制作时必须保证模板的强度、刚度、和整体的稳定性，以满足施工要求，外模采用两片约5mm的钢板半圆筒拼制，半圆管用带楔的销栓连接，内模采用三块进行组装，其中一块做成楔口状以便容易取出内模，拆除内外模时用手锤轻轻敲打脱离管涵，模板起吊采用链滑车起吊。 管涵脱模2-4h即可洒水养护，养护方式采用覆盖或洒水进行自然养护，养护时间不少于7天。 3)混凝土制作与浇筑 混凝土原材料必须经检验合格后方可进场，混凝土采用0.5~1cm小石子混凝土，坍落度?1cm,砂率为45%~48%，混凝土拌制采用强制式搅拌机，翻斗车水平运输，人工往模内进行铲运。为加快工程施工进度和模板周转速度，施工过程中采用加入早强高效减水剂。混凝土浇筑前模板与混凝土接触的表面先涂润滑剂，钢筋放在内外模之间，做好保护层垫coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 块厚度，每节管涵分5 层进行浇筑，将拌和好的混凝土按一个旋转方向注入内外模之间，并将插入式振捣器跟在浇料作业后面插入振捣，最后一层振动冒浆后抹平顶面。 4)注意事项: 施工时必须注意防止内模或外模单独发生水平移动，而造成管壁厚度不均匀的情况，脱模后立即在管节上用油漆注明使用的涵顶填土高度和浇筑日期，防止装运管节时出错或养护期不够，混凝土强度不合要求，每次浇筑管涵混凝土时要同时浇筑一定数量的混凝土试件，在试件上注明浇筑日期以及砼强度等级，并与预制管涵进行同样条件养护。 4、管节成品检验和质量标准: 管节成品质量检验分为管节尺寸检验和管节强度、吸水率检验，前者采用一般量具(钢尺)丈量，后者采用一套试验工具，所有管节必须经过检查和试验，符合质量标准后，才允许进入现场使用。 5、管节运输与装卸: 1)管节运输 运输管节的工具，根据道路情况和设备条件采用自卸汽车，管节的装卸采用8T汽车吊。在装卸和运输过程中每个管节底面要铺稻草或30-50cm砂垫层，使受力均匀，边围用木块圆木楔紧，稻草护边，并用绳索捆绑固定，防止管节滚动、相互碰撞而破坏。 2)管节的安装 º管节安装采用现场吊装，在垫板上滚动至安装位置前，转动90使其与管涵方向一致，略偏一侧，在管节后端用木棍拔动至设计位置，然后coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 将管节向侧面推开，取出垫板再滚回原位。 管节在对头拼接处的缝隙填塞沥青麻絮，上半圈从外往里填塞，下半圈从里往外填塞，外面用涂满热沥青的油毛毡包裹两圈，油毛毡宽度为15cm，包裹方法:在现场用热沥清逐层粘合在管外壁上接缝处，外面在全长管外裹以朔性粘土。 6、管节安装 管节安装采用吊车吊装。管节按所放涵轴线位置安装平稳，再进行下一节安装。 7、沉降缝设置: 基础沉降缝每4~6m设一道，基础与管节沉降缝应上下贯通不得交错搭接，沉降缝宽2cm,接缝处的两端应竖直、平整，缝内用沥青麻絮或泡沫板填充，填塞物应紧密填实。 五、附属工程: 1、涵洞进出水口 1)跌井、八字墙、一字墙 按照设计尺寸定出附属结构物边线，拉好控制线，搭好施工脚手架，施工中注意翼墙顶坡度的大小，八字墙与台身用泡沫板隔开作为施工沉降缝，当重量小或距地面不高时，用简单的马凳跳板直接运送，当重量较大或距地面较高时，可采用固定式动臂吊机或桅杆式吊机，将材料运送到脚手架支撑板上。用于砌石的脚手架应环绕墙身搭设，用以堆放材料，并支撑施工人员砌镶面定位行列及勾缝，脚手架采用钢管搭设。 砌筑第一层砌块时，由于基底为土质，只在已砌石块的侧面铺上砂浆coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 即可，砌筑斜面墙时，斜面应逐层放坡，以保证规定的坡度。砌块间用砂浆粘结并保持一定的缝厚，所有砌缝要求砂浆饱满，同一层石料及水平灰缝的厚度要均匀一致，每层按水平砌筑，丁顺相间，砌石灰缝互相垂直，砌石顺序为先角石，再镶机，后填腹，填腹石的分层高度应与镶面相同，尖端及转角形砌体的砌石顺序，应自顶点开始，按丁顺排列接砌镶面石，尖端及转角处不得有垂直灰缝。 2)涵底与隔水墙 涵洞出入口的沟床须整理顺直，与上下排水系统的连接应圆顺、稳固，保证流水顺畅。洞口铺砌采用7.5号水泥砂浆片石，片石要求采用无风化石，尺寸符合规范要求，使用前先进行岩石抗压强度检验，合格后方进入现场使用，施工前做好砂浆的配制工作。 洞口铺砌厚度为40cm,采用双层片石，铺砌时要求砂浆饱满密实，使铺砌层能起到支撑作用，施工时注意涵底坡度的方向与大小，砂浆的存放期不超过2h，做到随拌随用。 2、砌体质量要符合以下规定: ?砌体所用各项材料类别、规格及质量符合要求; ?砌缝砂浆铺填饱满、强度符合要求; ?砌缝宽度、错缝距离符合规定，勾缝坚固、整齐，深度和型式符合要求; ?砌筑方法正确; ?砌体位置、尺寸不超过允许偏差。 3、涵洞缺口填土: coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 洞顶填土高度在0.5-1.5m时，管顶路基及管身两侧，在不小于两倍孔径范围内，用含灰量?9%的石灰土每10cm一层，分层夯实，压实度达95%以上。 六、质量保证措施: 1、成立项目质量领导小组，设专职质检工程师，各施工队设质检员。 2、执行施工前的各种技术交底工作，使施工按照技术交底的有关要求进行施工。 3、工地试验室要加强施工检测，对施工工艺进行全过程控制。 4、实行监理旁站 制度 关于办公室下班关闭电源制度矿山事故隐患举报和奖励制度制度下载人事管理制度doc盘点制度下载 ，上道工序完成、下道工序施工前，必须由监理检查签证后方可进行。 七、安全保证措施: 1、成立以项目经理为组长的安全管理小组，同施工队签订安全包保责任状，针对本工程特点，搞好安全教育和安全技术交底工作。 2、队设专职安全员，负责施工现场的安全工作。 3、对于施工机具、车辆和设备，要由专人管理和操作，确保其性能处于完好状态，符合安全技术要求，满足施工需要。 八、文明施工保证措施 1、施工期间，经常对施工机械车辆道路进行维修，确保晴雨畅通，并方便沿线居民的生产、生活。 2车辆在运料过程中，对易飞扬的物料用篷布覆盖严密，且装料适中，不得超载;车辆轮胎及车外表用水冲洗干净，保证道路的清洁。 coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, 圆管涵施工工艺流程图 施 工 准 备 施工方案拟定 涵管订购 施工测量放样 报监理工程师审批 基坑开挖、基底平整 基底土工检测记 录 报监理工程师审批 基 底 处 理 施 浇 筑 基 础盖 浇 筑 台 工 板过 基础 座 预程浇 筑 台 身 管 节 埋 制 控 制 设 安 装 盖 板 防水设施铺设 养生并达到一定强度 涵底及附属砌体检测质量测定各 结构物回填土 施工 类数据 报监理工程师审批 检 验、验 收 coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave, K30+500圆管涵质量保证体系 组 长:韩世勋 付组长:徐俊卿 安质部:李云明 工程部:莫荣江 保障部:王虎忠 试验室:黄庭枝 现场负责人:张二孩 开挖班 运输班 模板班 电工班 钢筋班 杂工班 测量班 coupling Centre shall be checked, the second poured concrete strength of more than 70%. In the process of reaming or boring, apart from the special provisions in factory, does not allow any work that may affect the coupling Centre, such as irrigation, to cylinder connections to flood the condenser pipes and so on. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Mounting bolts should be added lubricants, typing gently with a small hammer, not too loose or too tight, packed the bolts with the corresponding seal screw hole should be marked. 6.4.5.4.2 coupling reamed and pairings is close to the diameter of bolt bearing good hinge holes, dressed with a good two coupling bolts before you can move the rotor, boring-reaming hole in turn. Coupling bolts must be tight coupling is symmetrical diameter, in boring, reaming, two bolts out. Well boring, hinge bolt hole flange with coupling of vertical, not oblique. Due to the coupling bolts in accordance with hinge holes corresponding to the diameter of the screw holes one by one after processing, processing back bolt installation location cannot be changed, so according to bolt after the actual weight difference of nut and lock washer to match. General requirements for coupling two symmetrical diameter bolt, nut and lock washer's total weight difference should not be greater than 10 g and knocks stamped mark. (See Figure 18) The coupling bolts apply lubricant, and then gently with copper home, not too loose or too tight. Bolt Assembly is finished, symmetrical tightening all bolts to 30%, 50%, 70%, 100% force, and check the coupling flutter and before connecting the circle gradually changes its value should be less than 0.02mm. Tightening torque of the coupling bolts shall comply with the technical requirements manufacturers drawings, with a dynamometric wrench or log tension tools. Three wheel rotor swing test coupling connections should be checked: taking leave,