××××石洞口建材有限公司×××××厂房扩建工程钢结构专项方案××××××钢结构安装有限公司二00×年×月目录一．工程概况............................................................................................5二．编制依据............................................................................................6三．施工总体部署....................................................................................73.1施工工艺流程................................................................................73.2钢结构安装方向安排....................................................................83.3施工组织的主要方法....................................................................8四．钢构件安装方案................................................................................84.1施工准备工作部署........................................................................84.1.1临时道路、设施及堆场.......................................................84.1.2安装前的技术要求...............................................................94.1.2主要施工机具及材料配备.................................................104.2吊装作业流程..............................................................................124.2.1×××××钢结构安装次序.......................................................134.2.1×××××钢结构安装次序.......................................................144.3主要结构件安装..........................................................................164.3.1钢柱吊装的主要方法.........................................................164.3.2屋盖系统安装.....................................................................174.4高强螺栓施工..............................................................................184.4.1原材料及成品要求.............................................................184.4.2施工技术要点.....................................................................184.5现场焊接工艺..............................................................................192×××××钢结构安装有限公司4.5.1母材、焊材要求.................................................................194.5.2坡口要求.............................................................................204.5.3组装要求.............................................................................204.5.4焊接及焊接检验要求.........................................................204.6现场涂装施工工艺......................................................................214.6.1涂装施工的气候条件.........................................................214.6.2涂装材料的检验和贮存.....................................................224.6.3禁止涂装的部位.................................................................224.6.4涂装的工艺技术要点.........................................................23五．车间主要构件一览表......................................................................235．1×××××.........................................................................................235．2×××××.........................................................................................24六．压型金属板的制作与安装..............................................................256.1压型金属板的制作要求..............................................................256.2压型金属板的安装要求.....
