【正文】 3 施工準備 .......................................................................................................................... 3 護筒埋設 .......................................................................................................................... 4 泥漿池開挖、泥漿制備及控制指標 .............................................................................. 4 鉆進成孔 .......................................................................................................................... 4 終孔、清孔 ...................................................................................................................... 5 鋼筋籠加工與吊放 .......................................................................................................... 5 水下砼澆筑 ...................................................................................................................... 7 導管拆、拔控制 .............................................................................................................. 8 檢孔器制作 ....................................................................................................................... 8 聲測管安裝 .................................................................................................................... 9 樁基綜合接地 .............................................................................................................. 10 4 常見事故的預防及處理 ....................................................................................................... 10 樁位偏差 ......................................................................................................................... 10 偏孔事故 ......................................................................................................................... 10 堵管事故 ......................................................................................................................... 11 浮籠或掉籠事故 ............................................................................................................. 12 斷樁、夾泥、夾心事故 ................................................................................................. 12 5 施工驗收標準 ....................................................................................................................... 13 驗收相關參考規(guī)范 ........................................................................................................ 13 清孔標準 ......................................................................................................................... 13 鉆孔樁允許偏差 ............................................................................................................. 13 樁基檢測 ......................................................................................................................... 14 6 質(zhì)量保證措施 ....................................................................................................................... 14 7 安全保證措施 ....................................................................................................................... 15 鉆機的安全措施 ............................................................................................................. 15 電器設備的安全