【正文】 ....................................................................6第二章 各施工工藝流程 .......................................................................................................................8一、室外開(kāi)槽埋管施工流程 ........................................................................................................8二、頂管施工流程 ........................................................................................................................9三、施工進(jìn)度控制流程 ..............................................................................................................10四、材料計(jì)劃控制流程 ..............................................................................................................11第三章 各施工階段的施工方案和施工方法 .....................................................................................12第一節(jié) 拆除道路 .............................................................................................................................12第二節(jié) 施工測(cè)量、放線(xiàn) .................................................................................................................12一、施工測(cè)量點(diǎn) ..........................................................................................................................12二、施工放樣測(cè)量 ......................................................................................................................13三、管道放線(xiàn) ..............................................................................................................................14第三節(jié) 水泥攪拌樁 .........................................................................................................................14一、施工流程 ..............................................................................................................................14二、水泥攪拌樁現(xiàn)場(chǎng)質(zhì)量檢測(cè) ..................................................................................................16第四節(jié) 拉森鋼板樁及鋼板樁基坑支護(hù) .........................................................................................18一、單獨(dú)打入法 ..........................................................................................................................18二、鋼板樁拔除 ..........................................................................................................................19第五節(jié) 直埋管道（鋼管）工程施工 .............................................................................................20一、開(kāi)挖溝槽 ..............................................................................................................................20二、管道基礎(chǔ) ..............................................................................................................................21三、管道敷設(shè) ..............................................................................................................................22四、鋼管（加肋鋼管）焊接 ......................................................................................................23五、穿越河塘 ..............................................................................................................................27六、基坑回填 ..............................................................................................................................27七、鋼管防腐 ..............................................................................................................................29八、管道沖洗及壓力試驗(yàn) ..........................................................................................................30九、檢查井等構(gòu)筑物施工 ..........................................................................................................32第六節(jié) 過(guò)譚涌段施工 .....................................................................................................................35一、施工前準(zhǔn)備 ..........................................................................................................................36二、圍堰 ......................................................................................................................................36三、管線(xiàn)土方溝槽施工 ..............................................................................................................39四、管道焊接 ..............................................................................................................................39五、過(guò)譚涌段深基坑 ..................................................................................................................40第七節(jié) 頂管施工 .............................................................................................................................40一、頂管方案選擇 ......................................................................................................................41二、頂進(jìn)施工步驟 ......................................................................................................................42三、頂力計(jì)算與后靠背設(shè)計(jì) ......................................................................................................43四、頂管井 ..................................................................................................................................45五、頂管技術(shù)措施 ......................................................................................................................51六、頂管質(zhì)量控制 ......................................................................................................................66第四章 施工準(zhǔn)備計(jì)劃 .........................................................................................................................71第一節(jié) 施工場(chǎng)地準(zhǔn)備 .....................................................................................................................71第二節(jié) 生活設(shè)施準(zhǔn)備 .....................................................................................................................71第三節(jié) 技術(shù)準(zhǔn)備及計(jì)劃 .................................................................................................................72一、設(shè)計(jì)交底及圖紙會(huì)審 ..........................................................................................................72二、編制計(jì)劃 ..........................................