【正文】 目 錄 人工挖孔樁專項施工方案 ............................................................................................................. 1 第一章 編制依據(jù) ....................................................................................................................... 1 第二章 工程概況 ....................................................................................................................... 1 一、工程設(shè)計概況 ................................................................................................................ 1 工程概況 .................................................................................................................. 1 7 人工挖孔樁數(shù)量統(tǒng)計 ................................................................................................... 5 第三章、施工部署 ....................................................................................................................... 9 一、施工目標(biāo) ....................................................................................................................... 9 二、人員、設(shè)備準(zhǔn)備 ............................................................................................................. 9 三、材料準(zhǔn)備 ..................................................................................................................... 10 四、作業(yè)條件 ..................................................................................................................... 10 五、進(jìn)度計劃 ..................................................................................................................... 10 第四章、主要施工方法 .............................................................................................................. 10 一、施工測量 ..................................................................................................................... 10 主軸線控制網(wǎng)的布設(shè) .............................................................................................. 10 樁心的定位測量 ......................................................................................................11 第一節(jié) 護(hù)壁成型后的測量工作 ................................................................................11 測量技術(shù)復(fù)核工作 ...................................................................................................11 二、人工挖孔樁成孔施工 .....................................................................................................11 孔樁開挖施工組織 ...................................................................................................11 施工方法 ................................................................................................................ 12 護(hù)壁施工 ................................................................................................................ 15 成孔 ....................................................................................................................... 16 終孔檢查 ................................................................................................................ 17 注意事項 ................................................................................................................ 17 三、人工挖孔樁的鋼筋籠制作安裝 ...................................................................................... 17 材料要求 ................................................................................................................ 17 鋼筋籠制作 ............................................................................................................ 17 鋼筋籠吊裝施工方法 .............................................................................................. 18 鋼筋籠隱蔽驗收 ..................................................................................................... 18 四、人工挖孔樁樁芯砼施工 ................................................................................................ 19 五、樁的檢測 ..................................................................................................................... 20 六、質(zhì)量檢查標(biāo)準(zhǔn) .............................................................................................................. 20 主控項目 ................................................................................................................ 20 一般項目 ................................................................................................................ 20 第五章、質(zhì)量保證措施 .............................................................................................................. 21 一、技術(shù)保證措施 .............................................................................................................. 21 做好圖紙會審 ......................................................................................................... 21 做好技術(shù)交底 ......................................................................................................... 21 二、落實好“四檢”工作 .................................................................................................... 21 三、加強全面質(zhì)量管理工作 ................................................................................................ 21 材料管理 ................................................................................................................ 21 施工管理 ................................................................................................................ 21 資料管理 ................................................................................................................ 22 四、確保質(zhì)量的技術(shù)措施 .................................................................................................... 22 五、保證質(zhì)量的管理措施 .................................................................................................... 23 六、雨季施工措施 .............................................................................................................. 24 第六章、安全保證措施 ............................................................................