【正文】 目 錄一、 編制依據(jù)、范圍 ...........................................................................................................3 編制依據(jù) ..........................................................................................................................................3 編制范圍 ..........................................................................................................................................3二、 編制原則 .......................................................................................................................3三、 工程概況 .......................................................................................................................4 地質(zhì)概況 ..........................................................................................................................................4 設(shè)計概況 ..........................................................................................................................................4四、 施工總體部署 ...............................................................................................................5 組 織機 構(gòu) ..........................................................................................................................................5 現(xiàn)場生產(chǎn)要素 ..................................................................................................................................9 施工部署 ........................................................................................................................................12 施工準(zhǔn)備 ........................................................................................................................................13五、 施工工藝 .....................................................................................................................13 旋挖鉆鉆孔 ....................................................................................................................................14 鋼筋籠制作及安裝 ........................................................................................................................25 導(dǎo)管下放 ........................................................................................................................................28 二次清孔 ........................................................................................................................................30 混凝土灌注 ....................................................................................................................................30 混凝土樁頭破除 ............................................................................................................................33 接樁 ................................................................................................................................................33六、 斷樁處理 .....................................................................................................................36 斷樁原因 ........................................................................................................................................37 預(yù)防措施 ........................................................................................................................................38 處理斷樁的幾種方法 ....................................................................................................................39七、 常見問題的預(yù)案 .........................................................................................................40 縮徑 ................................................................................................................................................40 孔斜 ................................................................................................................................................402 / 58 導(dǎo)管堵塞 ........................................................................................................................................40八、 鉆孔故障應(yīng)急預(yù)案 .....................................................................................................40 坍孔 ................................................................................................................................................40 鉆孔偏斜、彎曲 ............................................................................................................................41 擴孔與縮孔 ....................................................................................................................................41 糊鉆、埋鉆 ....................................................................................................................................41 樁偏位 ............................................................................................................................................42九、 施工保證措施 .............................................................................................................42 工藝保證 措施 ................................................................................................................................42 管理措 施 ........................................................................................................................................45十、 質(zhì)量保證體系 .............................................................................................................45 質(zhì)量目標(biāo) ........................................................................................................................................47 質(zhì)量保證組織機構(gòu) ........................................................................................................................47 質(zhì)量保證措施 ................................................................................................................................47十一、 安全、環(huán)保控制措施 .............................................................................................51 安全 ..............................................................................................