办公楼基坑支护桩基方案

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1、十一冶2#办公楼深基坑支护桩施工方案目录一、工程概况............................................................................................................31.1编制依据..........................................................................................................31.2项目概况.......

2、...................................................................................................31.3工程地质概况....................................................................................................4二、支护设计说明及部署..........................................

3、...........................................42.1采用的支护形式................................................................................................52.2施工方法及机械的选择...................................................................................5三、施工布置和进度......

4、........................................................................................63.1支护施工总体工序..........................................................................................63.2基本步序.................................................................

5、......................................63.2.1支护桩施工顺序..........................................................................................63.2.2支护结构施工顺序.......................................................................................6四、施工方法及技术措施.........

6、...........................................................................64.1钻孔桩施工工艺.................................................................................................64.2旋挖桩施工工艺.....................................................................

7、..........................84.3冠梁施工工艺..................................................................................................174.5喷射砼施工工艺....................................................................................18五、施工过程常见质量通病及防治及质量保证措施.........

8、..............................205.1旋挖桩的质量控制..........................................................................................205.2成品保护.................