【正文】 灌注樁基礎(chǔ)施工方案培訓(xùn)資料作者：日期： XX至XX高速公路一分部橋梁樁基施工技術(shù)方案 中交XX工程局有限公司XX至XX高速公路一分部項(xiàng) 目 經(jīng) 理 部 XXXX年X月XX日XX高 速 公 路 一 分 部 項(xiàng) 目 經(jīng) 理 部XX高速公路一分部橋梁樁基施工技術(shù)方案 編制人： 復(fù)核人： 審批人： XX工程有限公司XX高速公路一分部項(xiàng)目經(jīng)理部XXXX年XX月X X日 目 錄一、編制原則和編制依據(jù) ....................................................................................... 1 編制原則 .......................................................................................................... 1 編制依據(jù) .......................................................................................................... 1 二、施工總體概況 ................................................................................................... 2 工程簡介 .......................................................................................................... 2 地形、地貌 ...................................................................................................... 3 水文氣象 .......................................................................................................... 3 管理機(jī)構(gòu) .......................................................................................................... 4 機(jī)械進(jìn)場情況和計(jì)劃安排 .............................................................................. 4 勞動力安排 ...................................................................................................... 5 原材料 .............................................................................................................. 5 三、沖孔樁施工技術(shù)方案 ....................................................................................... 6 測量放樁 .......................................................................................................... 6 護(hù)筒埋設(shè) .......................................................................................................... 6 造漿 .................................................................................................................. 7 沖擊成孔 .......................................................................................................... 8 鋼筋加工及安裝 ............................................................................................ 10 吊放導(dǎo)管 ........................................................................................................ 11 二次清孔 ........................................................................................................ 12 水下砼灌澆注 ................................................................................................ 12 鉆孔樁基施工注意事項(xiàng) .............................................................................. 13 1破除樁頭 ...................................................................................................... 14 1基樁檢測 ...................................................................................................... 14 1 施工工藝流程圖 ......................................................................................... 15 四、人工挖孔樁施工技術(shù)方案 ............................................................................. 16 放線、定樁位及高程 .................................................................................... 16 開挖第一節(jié)樁孔土方 .................................................................................... 16 孔口防護(hù) ........................................................................................................ 17 挖孔護(hù)壁 ........................................................................................................ 17 澆筑第一節(jié)護(hù)壁砼 ........................................................................................ 18 挖孔樁排水 .................................................................................................... 18 檢查樁位（中心）軸線、標(biāo)高 .................................................................... 19 架設(shè)垂直運(yùn)輸架 ............................................................................................ 19 安裝提升設(shè)備、吊桶、活動蓋板、水泵、通風(fēng)機(jī)等 .............................. 19 1開挖第二節(jié)樁孔土方 .................................................................................. 19 1終孔檢查 ...................................................................................................... 19 1鋼筋加工 ...................................................................................................... 20 1樁基混凝土灌注 .......................................................................................... 21 1成樁檢測 ...................................................................................................... 22 1特殊地層處理 .............................................................................................. 23 1人工挖孔樁注意事項(xiàng) .................................................................................. 23 五、人工挖孔爆破作業(yè)施工 ................................................................................. 25 準(zhǔn)備工作 ........................................................................................................ 25 裝藥 ................................................................................................................ 25 堵塞及引線連接 ............................................................................................ 25 爆破安全距離 ................................................................................................ 26 爆破操作 ........................................................................................................ 27 六、施工進(jìn)度計(jì)劃 ................................................................................................. 27 七、質(zhì)量保證體系及控制措施 ............................................................................. 28 １、質(zhì)量保證體系 .............................................................................................. 28 ２、工程質(zhì)量控制措施 ...................................................................................... 29 質(zhì)量通病的原因分析及預(yù)防控制措施 ........................................................ 32 八、施工安全、文明施工、環(huán)境保護(hù)保證措施 ................................................. 36 施工安全 .......................................................................................................