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

4、工布置和进度..............................................................................................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

6、四、施工方法及技术措施....................................................................................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

8、工过程常见质量通病及防治及质量保证措施.......................................205.1旋挖桩的质量控制..........................................................................................205.2成品保护.................