反循环钻孔灌注桩作业指导书.pdf

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1、反循环钻孔灌注桩作业指导书目录1、编制目的......................................................................................................................22、编制依据......................................................................................................................23、适用范围.............................

2、.........................................................................................24、作业准备......................................................................................................................24.1内业技术准备............................................................................

3、.........................24.2外业技术准备.....................................................................................................25、操作工艺流程..............................................................................................................26、施工要求......................................

4、................................................................................36.1护筒埋设............................................................................................................36.2泥浆与泥浆池..............................................................................................

5、.......46.3钻孔作业............................................................................................................46.3.1钻机选型................................................................................................46.3.2钻机就位.............................................................

6、...................................46.3.3钻孔........................................................................................................56.3.4清孔........................................................................................................56.4钢筋笼制作与安装.............................

7、................................................................56.5灌注混凝土.........................................................................................................67、劳动组织...............