**项目钢结构预制、安装方案**公司二○○九年八月目录1.编制依据..............................................................................................................................................12.工程概况..............................................................................................................................................12.1工程简介..................................................................................................................................12.2主要工程量(主要结构形式)...............................................................................................22.3工程特点分析..........................................................................................................................23.施工组织..............................................................................................................................................24.施工工艺..............................................................................................................................................24.1钢结构主要预制方案..............................................................................................................24.1.1焊接H型钢梁制造技术方案.......................................................................................44.1.2焊接十字型柱制作方案...............................................................................................64.1.3梁柱的拼接与分段控制...............................................................................................94.1.4预制厂构件的抛丸除锈...............................................................................................94.1.5预制厂钢结构防腐措施及构件的标识移值...............................................................94.1.6成品构件堆放..............................................................................................................94.1.7钢结构无损检测...........................................................................................................104.2安装总体施工方法..................................................................................................................104.2.1采用成片安装工艺流程...............................................................................................104.2.2采用单柱安装工艺流程...............................................................................................124.2.3整框或分段安装...........................................................................................................144.2.4压缩机厂房安装...........................................................................................................154.3技术要求及措施......................................................................................................................154.3.1施工准备......................................................................................................................154.3.2材料验收......................................................................................................................154.3.3基础验收......................................................................................................................174.3.4成片安装..............................................................................................................