【正文】 ............................................................................ 1 首件工程施工概況 ................................................................................................................... 1 首件工程施工時間 ................................................................................................................... 1 樁基首件工程施工過程回顧 .......................................................................................................... 1 首件工程施工準備情況 ............................................................................................................ 1 首件工程現(xiàn)場施工情況 ............................................................................................................ 3 路面破除、泥漿池開挖及防護 ............................................................................................. 3 樁位放樣、護樁設置、護筒埋設 ......................................................................................... 3 鉆機就位 ............................................................................................................................ 4 鉆孔 ................................................................................................................................... 4 檢孔及終孔 ......................................................................................................................... 6 一清 ................................................................................................................................... 6 鋼筋籠加 工制作 .................................................................................................................. 6 鋼筋籠安放 ......................................................................................................................... 7 聲測管安裝 ......................................................................................................................... 8 導管安放 .......................................................................................................................... 8 二次清孔 .......................................................................................................................... 9 樁基水下混凝土灌注 ....................................................................................................... 10 首件工程施工總結(jié)及后續(xù)施工控制要點 ...................................................................................... 12 施工準備 ............................................................................................................................... 12 樁基施工 ............................................................................................................................... 13 路面破除、泥漿池、沉淀池開挖及防護 ............................................................................. 13 樁位放樣、護樁設置、護筒埋設 ....................................................................................... 13 鉆機就位 .......................................................................................................................... 13 鉆孔 ................................................................................................................................. 14 檢孔及終孔 ....................................................................................................................... 15 一清 ................................................................................................................................. 16 鋼筋籠加工制作 ................................................................................................................ 16