电缆桥架安装规范(对新手特别有用)

电缆桥架安装 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 (对新手特别有用) 盛德兰电气 工程 路基工程安全技术交底工程项目施工成本控制工程量增项单年度零星工程技术标正投影法基本原理 针对周大福大厦项目电缆桥架安装规范 1、 1、为满足工程质量对电缆桥架的安装要求，我公司有电缆桥架安装的具体要求: 电缆桥架的安装 2.1电缆桥架的总最简单的面安插应作到间隔最短，经济合理，安全运行，并应满足施工安装，维修以及敷设电缆的要求。 2.2电缆桥架应有足够的刚度以及强度，对电缆提供可靠的支撑。桥架多层设置时层间中心距为200，250，300，350mm 2.4电缆桥架尽可能在建、构筑物(如墙、柱、梁、楼板等)上安装，与土建专业密切配合。 2.5电缆桥架与工艺管架共架安装时，电缆桥架安插在管架的一侧。 2.6电缆桥架与各种管道平行架设时，其净间隔不小于500mm。 2.7电缆桥架与各种管道交织时，其净间隔不小于300mm。 2.7.4电缆桥架与空调管道平行时不小于300mm。也可venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 以在下边不小于300mm.交叉时采取隔热防腐措施。电缆桥架穿墙安装时，墙上安装相应的密封装置。根据环境前提，采用密封装置，电缆桥架从室内穿墙至室外时，在墙的外侧采取防雨办法。 2.8.3电缆桥架从室内穿墙至室外较高处安装时，电缆桥架应先向下倾斜延伸适当间隔，之后再向上架设，防止雨水顺电缆桥架流入室内。 2.8.4电缆桥架过伸缩沉降缝时，电缆桥应断开，断开间隔以100mm左右为宜,在伸缩缝或软连接处需采用编织铜线连接。 2.9两组电缆桥在同一横梁上安装时，两组电缆桥之间的净间隔应不小于50mm。 2.10敷设10kV及以上电缆的电缆桥架多层安装时，其层间距一般不小于300mm。 2.11电缆桥架到楼板、梁或其他障碍物等的底部的间隔应不小于300mm。 2.12一般环境下，支撑电缆桥的各托臂之间的间隔以1.5~3左右为宜，并根据具体环境校验。 2.13电缆桥架水安然装时，其直接板毗连处不该置于跨度的1/2处或支撑点上。 2.14电缆桥架安装时出现的悬臂段，一般不超过1000mm。 venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 2.15电缆桥架不该作行人通道施用。 2.16若为下列环境之一者，电缆桥架应加保护罩: 2.16.1电缆桥架在户外安装时，其最上层或每层。 2.16.2电缆桥架在铁算子板或相近是的带孔装置下安装时，其最上层电缆桥架应加保护罩，要是最上层电缆桥架宽度小于基层的桥架宽度时，基层电缆桥架亦加保护罩。 2.16.3电缆桥架垂直安装时，离地点地最简单的面2m之内的电缆桥架。 2.16.4电缆桥架安装在容易受到机械损伤的处所。 2.16.5电缆桥架安装在多粉尘的场所。 2.16.6有特殊要求的场所。 2.17电缆桥架内敷设的电缆，应用尼龙卡带，绑线或金属卡子举行固定，固定点要求如下: 2.17.1水平敷设时，电缆首末两头及转弯、电缆中间接头的两头处。 2.17.2垂直敷设时，每隔1000~1500mm。 2.17.3不同标高的端部。 2.18对膨胀螺栓的施工及其注重的事变应按国度标准GBJ232-82的要求举行。 三、电缆桥架的接地 3.1电缆桥架应举行可靠的接地。 venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 3.2正常媒质场所宜单独敷设接地干线，若将电缆桥架作为接地干线时，应校验电缆桥的截面积是不是满足接地短路电流的要求。并应保证所有的毗连点，具备良好的电气通路，例如在搭钮接板，多节二通等毗连处需加跨接线。 3.3安装在具备爆炸伤害场所的电缆桥架，如无法与已有的接地干线毗连时，必需单独敷设接地干线的体式格局举行接地。当允许利用桥架系统构成接地干线回路时应符合下列要求。桥架端部之间连接电阻不大于0.00033欧姆，接地孔应清除绝缘涂层。在1kv及以下中性点直接接地系统中，受电设备的接地与系统中性线接地相连。装有处动切断供电装轩时，桥架的级长方向金属横截面积应不小于规定值。沿桥架全长另敷设接地干线时，每段(包括非直线段)桥架应该至少有一点与接地干线可靠连接。 3.4对于振动场所，对接地部位的连接处应装置弹簧圈。 3.5电缆桥架的安装及 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 还应符合现行有关国度标准以及规范的规定 venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 四、支、吊架安装 (1) 支架与吊架所用钢材应平直，无显著扭曲。下料后长短偏差应在3mm范围内，切口处应无卷边、毛刺。 (2) 钢支架与吊架应焊接牢固，无显著变形，焊接前厚度超过4mm的支架、铁件应打坡口，焊缝均匀平整，焊缝长度应符合要求，不得出现裂纹、咬边、气孔、凹陷、漏焊等缺陷。 (3)支架与吊架应安装牢固，保证横平竖直，在有坡度的建筑物上安装支架与吊架应与建筑物的坡度、角度一致。 (4)支架与吊架的规格一般不应小于扁钢 30mm×3mm;角钢25mm×25mm×3mm。 (5)严禁用电气焊切割钢结构或轻钢龙骨任何部位。 (6)万能吊具应采用定型产品，并应有各自独立的吊装卡具或支撑系统。 (7)固定支点间距一般不应大于1.5,3m,户外立柱中跨距一般采取6m。在进出接线盒、箱、柜、转角、转弯和变形缝两端及丁字接头的三端500mm以内应设固定支持点。非直线段的支、吊架配置就遵循以下原venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 则。当桥架宽带<300mm时，应该在据非直线段与直线结合处300-600mm的直线段侧设置一个支、吊架。当桥架宽度>300mm时，除符合上述条件外，在非直线段中部还应该增设一个支、吊架。 (8)严禁用木砖固定支架与吊架。 五、品种的选择 1.需屏蔽电气干扰的电缆网络或需要有防护外部(如:有腐蚀液体、易燃粉尘等环境下的电缆敷设)应该选用槽式复合型防腐屏蔽电缆桥架,且需要带盖。 2.强腐蚀性环境下应当使用(F)类复合环氧树脂防腐阻燃型电缆桥架。托臂、支架、等附件也要使用同样的材料，以提高桥架及附件的使用寿命，电缆桥架在容易积灰或者在户外场所应加盖板。 3.除上述情况外，可根据现场环境及技术要求选用托盘式、槽式、梯级式、玻璃钢阻燃桥架或钢质普通型桥架。电缆桥架在容易积灰或者在户外场所应加盖板。 4.在工作通道或者户外跨越道路段式，底层梯级的底部宜加垫板或在该段使用托盘。大跨距跨越公共通道是，可根据用户要求提高桥架的载荷能力或选用支架。 5.大跨距(>3m)时要选用复合型桥架。 venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a 6.户外要选用复合环氧树脂桥架。 六、规格的选择 1.桥架的宽度和高度应符合电缆填充率不超过有关规范的规定值，动力电缆可取40-50%，控制电缆可取50-70%，另外需预留10-25%的发展余量。 2.各种弯通及附件规格应符合工程布置条件与桥架相配套。 3.支、吊架规格的选择，应该按照桥架规格、层数、跨距等条件配置。并应该满足载荷的要求。 venture capital investment guarantee mechanisms, talents, positive for special funds, play to the guiding role of financial capital, leveraging features, evolving financial resources, capital, financial capital, protection of social capital into new patterns. 3 innovation environment, optimizing talent, create a good atmosphere. Departments at all levels to put science and technology innovation and talent working in the strategic position of priority development, and full play to the guiding role of Government, vigorously promote scientific and technological innovation and the preferential policies, mobilizing the entire society's awareness of innovation, stimulate creativity. Further open "service the green channel" for talent to provide efficient, convenient, quality service and allow all kinds of talents to focus on innovation, play to our strengths. County-level accreditation in recognition of work in a timely manner, contributing to talent and rewarding scientific and technological achievements to emerge, release patent awards grants, encourage patent applications, social forces are encouraged to set up science and technology awards, create an environment conducive to scientific and technological progress, technological innovation, talent and career policy environment, rule of law, market and social environment. Comrades, technological innovation, talent is a