1北京***F 区劲性柱安装方案目录一．概况........................................................................................................................2二．安装方案说明........................................................................................................2三．劲性柱分段............................................................................................................3四．临时支架的设置....................................................................................................4五．吊装说明................................................................................................................55.1．吊装机械的选择及性能一览表...................................................................55.1.1．吊装机械的选择................................................................................55.1.2．吊装机械性能一览表........................................................................55.2．吊装工况.......................................................................................................8六．定位测量................................................................................................................96.1．放线、测量定位精度保证...........................................................................96.1.1．放线测量工具....................................................................................96.1.2．放线、测量定位的规范、标准......................................................106.1.2．施工测量精度的保证措施..............................................................10七．现场吊装高空焊接..............................................................................................117．1．高空焊接施工工艺流程..........................................................................117.2．焊前准备.....................................................................................................127.3．焊接预热...........................................................................
