国信兴江海景园工程钢筋混凝土围檩、支撑(换撑及拆撑施工方案)XXXX有限公司2008年11月28日I目录第一章围檩、支撑施工方案...............................................................................1一、工程概述.................................................................................................1二、钢筋砼支撑施工流程.............................................................................1三、施工工艺和方法.....................................................................................51、钢筋砼支撑施工方法...............................................................................52、钢筋砼支撑要求.......................................................................................63、钢支撑施工方法.......................................................................................7第二章拆撑及换撑施工方案...........................................................................12一、支撑系统概况.......................................................................................12二、拆撑及换撑的原则...............................................................................12三、拆撑及换撑的顺序...............................................................................121、A区支撑拆撑及换撑的顺作施工.........................................................122、B区支撑拆撑及换撑的顺作施工.........................................................13四、换撑方案...............................................................................................131、A区换撑概况.........................................................................................132、A区换撑方法和要求.............................................................................133、B区换撑概况.........................................................................................144、B区换撑方法和要求.............................................................................14五、支撑拆除方案.......................................................................................141、支撑体系概述.........................................................................................152、支撑拆除的方法和要求..........................................................................................153、破碎清理.................................................................................................164、支撑拆除的安全技术要求.....................................................................16第三章附图.......................................................................................................171、(附图1)A区换撑平面图..................................................................182、(附图2)A区底板换撑节点图..........................................................193、(附图3)A区底板换撑板带配筋图..................................................204、(附图4)A区斜向型钢换撑节点示意图..........................................215、(附图5)A区型钢换撑穿外墙钢止水片示意图..............................226、(附图6)A区基础底板后浇带换撑图..............................................237、(附图0)B区换撑平面图..............................................................248、(附图7)B区基础底板后浇带换撑图..........................................259、(附图8)B区地下一层施工后浇带位置梁内预设型钢节点图..2510、(附图9)B区换撑板带配...