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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...