下载后可任意编辑目 录1.工程概况··································································22.编制依据··································································23.作业前的条件和准备························································34.作业的程序和方法··························································55.质量控制点的设置和质量通病及预防·········································176.作业的安全要求和环境条件·················································187.执行工程建设标准强制性条文的相关条文·····································198.附录·····································································22----------------------------精品 word 文档 值得下载 值得拥有---------------------------------------------------------------------------------------------------------------------------------------------------------------------------下载后可任意编辑1、 工程概况本工程为广东国华台山电厂二期（首两台 1000MW 级机组）工程#7 号机组汽机间加热器平台及主厂房其它钢结构，此次施工的工程范围为：汽机间加热器平台、主厂房各层钢梯、固定端钢结构及其它附属设施的钢结构。本工程主要焊接 H 型钢、热轧 H 型钢采纳厂家定尺供货，现场制作、加工，所有 H 型钢的防锈处理。各类型钢总重量约为2500t。7#机组加热器平台钢结构为多层框架钢结构，连接形式为铰接带支撑及刚接结构体系，柱、梁均为热扎及焊接"H"型截面型钢，用 10.9 级高强度螺栓连接。该部分由 A 至 B列，11a～21 轴，含固定端钢结构钢，纵横向总跨距分别为 34m、90m，共分两层，局部为 四 层 ， 各 层 标 高 为 3.97m 、 8.57m 、 12.57m 、 16.97m 。 加 热 器 平 ...
