冲孔灌注桩专项施工方案1.pdfVIP

南沙产业园区管理服务中心 目 录 一、概述··········································································································2 二、编制依据····································································································2 三、施工主要机械设备准备··················································································3 四、施工组织····································································································3 五、作业条件····································································································4 六、现场施工平面布置························································································5 七、施工操作工艺······························································································6 八、具体施工方法······························································································8 九、质量控制与检验标准···················································································17 十、安全措施·································································································· 19 十一、常见施工问题及处理方法··········································································20 广州协安建设工程有限公司 1 南沙产业园区管理服务中心 一、概述 工程名称：南沙产业园区管理服务中心新建工程 建设单位：广州发展南沙投资管理有限公司 设计单位：华南理工大学建筑设计研究院 监理单位：广州建达建设监理有限公司 施工单位：广州协安建设工程有限公司 本工程位于南沙开发区珠电进厂路及环岛路交叉路口（原火电大 院内），为一栋地上四层，地下一层 （半地下室）的建筑物，地块面 积约9612m2，建筑面积约19974m2，其中架空层（停车场）约5827m2， 办公区约12327m2，配送中心约1010m2，食堂约810m2。基础为钢筋 50 砼预应力管桩，主体为钢筋砼框架结构，建筑使用年限为 年，建 7 筑等级为二级，抗震设防烈度为 度，建筑耐火等级为二级。 本工程基础原采用静压预应力高强混凝土管桩，选用的管桩是 PHC-AB500 100 364 81 （ ）型号，共 根。在施工过程中形成废桩 根。