【正文】 .................................................................38 施工供水系統(tǒng) .............................................................................................................39 水源 ..................................................................................................................39 工程施工用水 ..................................................................................................39 供水設(shè)施 ..........................................................................................................39 施工供電系統(tǒng) .............................................................................................................395 施工總進(jìn)度 ..............................................................................................................................40 工期編制依據(jù) .............................................................................................................40 施工工效分析 .............................................................................................................41 施工進(jìn)度計(jì)劃 .............................................................................................................41 主要準(zhǔn)備工作進(jìn)度計(jì)劃 ..................................................................................41 樁基工程的施工進(jìn)度計(jì)劃 ..............................................................................41 施工工期影響因素及工期保證措施 .........................................................................42 配置大功率高施工效率的旋挖鉆機(jī) ..............................................................42 輔助設(shè)備性能保證率 ......................................................................................43 其它進(jìn)度保證措施 ..........................................................................................436 旋挖灌注樁主要施工方法及技術(shù)措施 ..................................................................................45 施工準(zhǔn) 備 .....................................................................................................................45 泥漿制備處理 .............................................................................................................45 制漿材料 ..........................................................................................................45 新制泥漿配比及性能指標(biāo) ..............................................................................46 泥漿制備系統(tǒng) ..................................................................................................46 泥漿拌制方法和質(zhì)量控制 ..............................................................................47 造孔棄渣及廢棄泥漿處理 ..............................................................................48 混凝土的制備 .............................................................................................................49 混凝土攪拌系統(tǒng)施工布置 ..............................................................................49 3 / 134 混凝土攪拌站的選擇 ......................................................................................50 施工原材料檢驗(yàn) ..............................................................................................51 混凝土攪拌質(zhì)量控制措施 ..............................................................................52 輔助設(shè)施 ..........................................................................................................52 混凝土生產(chǎn)系統(tǒng)主要設(shè)備 ..............................................................................52 混凝土運(yùn)輸設(shè)備 ..............................................................................................53 主要經(jīng)濟(jì)技術(shù)指標(biāo) ..........................................................................................54 旋挖灌注樁施工工藝流程 .........................................................................................54 旋挖灌注樁成孔施工 .................................................................................................54 旋挖成孔工藝原理 ..........................................................................................55 施工工藝技術(shù)特點(diǎn) ..........................................................................................56 鉆孔成孔施工 ..................................................................................................58 鋼筋籠制作與安裝 .....................................................................................................60 鋼筋籠制作 ......................................................................................................60 鋼筋籠運(yùn)輸 ......................................................................................................60 鋼筋籠吊放安裝 ..............................................................................................60 下導(dǎo)管 .........................................................................................................................61 水下砼澆注 .................................................................................................................62 起拔鋼護(hù)筒 .................................................................................................................64 空孔回填 .....................................................................................................................64 旋挖灌注樁施工質(zhì)量保證措施 .................................................................................65 造孔質(zhì)量保證措施 ..........................................................................................65 鋼筋籠制作與安裝質(zhì)量保證措施 ..................................................................65 混凝土澆注質(zhì)量保證措施 ..............................................................................65 施工中可能遇到的問(wèn)題及預(yù)防處理措施 .................................................................66 其它輔助施工措施 .....................................................................................................70 灌注樁截樁與樁頭處理 .............................................................................................717 PHC 管樁主要施工方法及技術(shù)措施 ....................................................................................72 PHC 管樁施工流程 .....................................................................................................73 管樁施工工藝方法 .......................