目录1．适用范围.......................................................................- 1 -2．编制依据.......................................................................- 1 -3．作业准备.......................................................................- 1 -3.1 技术准备....................................................................- 1 -3.2 资源配置....................................................................- 1 -4.施工方法........................................................................- 2 -4.1 施工工艺流程................................................................- 2 -4.2 钻机选型....................................................................- 3 -4.3 施工准备....................................................................- 3 -4.4 场地平整....................................................................- 3 -4.5 桩位测量放样................................................................- 4 -4.6 护筒的制作与埋设............................................................- 4 -4.7 钻机就位....................................................................- 4 -4.8 泥浆的制备及循环............................................................- 4 -4.9 钻孔........................................................................- 5 -4.10 成孔检查...................................................................- 7 -4.11 第一次清孔.................................................................- 7 -4.12 钢筋笼加工及下设...........................................................- 7 -4.13 下设导管...................................................................- 8 -4.14 第二次清孔.................................................................- 9 -4.15 钻孔桩灌注.................................................................- 9 -4.16 质量控制与检查............................................................- 10 -4.17 特别情况处理与预防措施............................
