普通厂房钢结构施工质量要点一、钢结构安装准备工作...............................................................................................................21．编制钢结构工程的施工组织设计.............................................................................................22．钢柱基础的准备.........................................................................................................................2（1）一次浇筑法............................................................................................................................2（2）二次浇筑法............................................................................................................................23．构件的检查及弹线.....................................................................................................................24．验算桁架的吊装稳定性.............................................................................................................2二、起重机的选择..........................................................................................................................21．起重机类型选择.........................................................................................................................32．起重机型号及起重臂长度选择.................................................................................................33．起重机数量的确定.....................................................................................................................3三、构件的吊装工艺.......................................................................................................................31．钢柱的吊装................................................................................................................................3（1）钢柱的吊升............................................................................................................................3（2）钢柱的校正与固定...........................................
