南阳市梅溪河、三里河综合整治工程第二标段（项目编号：NZGC2015165-1号）箱涵施工专项施工方案批准：审核：编制：中国水利水电第十一工程局有限公司南阳市三里河综合整治工程项目经理部2016年9月7日南阳市三里河综合整治工程箱涵施工专项施工方案目录一.工程概况.........................................................................................................11.1工程概况................................................................................................11.2现场概况................................................................................................11.3地质报告................................................................................................1二、编制依据......................................................................................................3三、施工过程......................................................................................................33.1钻孔灌注桩施工....................................................................................33.1.1施工工艺流程..............................................................................43.1.2测量定位.....................................................................................43.1.3长螺旋钻孔压灌桩施工..............................................................43.1.4旋挖成孔灌注桩施工..................................................................63.2箱涵施工................................................................................................63.2.1箱涵施工工艺流程......................................................................63.2.2箱涵施工前准备..........................................................................73.2.3垫层及箱涵底板施工..................................................................73.2.4侧壁及顶板的施工......................................................................83.2.5伸缩缝处理.................................................................................93.3台背填土................................................................................................93.4箱涵的细部构造施工.............................................................................9四、质量保证措施............................................................................................104.1人员组织..............................................................................................104.2加强管理制度......................................................................................104.3施工质量控制......................................................................................114.3.1钻孔灌注桩...............................................................................114.3.2钢筋工程...................................................................................114.3.3模板工程...................................................................................124.3.4混凝土工程...............................................................................13五、雨季施工措施............................................................................................14六、安全保证措施............................................................................................156.1健全保证体系、加强安全管理...........................................................156.2加强思想教育工作、提高全员安全意识................
