【文章內(nèi)容簡(jiǎn)介】 ......24 施工測(cè)量控制要點(diǎn) ................................................................................................................ 24 管片拼裝控制要點(diǎn) ................................................................................................................ 24 襯砌防水控制要點(diǎn) ................................................................................................................ 25 地表沉降控制要點(diǎn) ................................................................................................................ 25 關(guān)鍵過(guò)程控制人員落實(shí) ........................................................................................................ 25 5 施工方案及主要施工工序 .......................................................................................................25 施工方案的確定 ................................................................................................................... 25 泥水平衡盾構(gòu)的原理 ..................................................................................................... 25 土壓平衡盾構(gòu)的原理 ..................................................................................................... 26 泥水平衡、土壓平衡盾構(gòu)的對(duì)比 ................................................................................... 26 盾構(gòu)施工方案確定 ......................................................................................................... 26 盾構(gòu)掘進(jìn)的施工準(zhǔn)備 ............................................................................................................ 27 技術(shù)交底 ........................................................................................................................ 27 地面準(zhǔn)備工作 ................................................................................................................ 27 井下準(zhǔn)備工作 ................................................................................................................ 27 出洞方案 .............................................................................................................................. 27 出洞土體加固 ................................................................................................................ 27 混凝土洞門鑿除 ............................................................................................................. 28 洞口止水簾布安裝 ......................................................................................................... 28 出洞掘進(jìn) ........................................................................................................................ 28 進(jìn)洞方案 .............................................................................................................................. 28 進(jìn)洞土體加固 ................................................................................................................ 28 盾構(gòu)接收井準(zhǔn)備 ............................................................................................................. 29 盾構(gòu)姿態(tài)的復(fù)核測(cè)量 ..................................................................................................... 29 盾構(gòu)靠上槽壁前的推進(jìn) .................................................................................................. 29 盾構(gòu)進(jìn) 洞前洞門混凝土的鑿除 ..................................................................................... 29 盾構(gòu)進(jìn)洞 ........................................................................................................................ 29 掘進(jìn)施工參數(shù) ....................................................................................................................... 29 管片拼裝 .............................................................................................................................. 30 同步注漿及壁后補(bǔ)壓漿 ........................................................................................................ 30 糾偏 ...................................................................................................................................... 32 洞門施工 .............................................................................................................................. 32 隧道內(nèi)運(yùn)輸 .......................................................................................................................... 32 棄土處理 ............................................................................................................................ 33 6 施工主要技術(shù)措施 ..................................................................................................................33 砂性土層施工技術(shù)措施 ........................................................................................................ 33 穿越地下管線的保 護(hù)措施 ..................................................................................................... 33 鄰近施工和既有建筑物的保護(hù)措施 ...................................................................................... 35 減少地面變形控制措施 ........................................................................................................ 35 緊急預(yù)案措施 ....................................................................................................................... 36 7 施工進(jìn)度計(jì)劃 .........................................................................................................................36 8 質(zhì)量、安全和環(huán)境保護(hù)措施管理 ............................................................................................37 質(zhì)量管理 .............................................................................................................................. 37 工程質(zhì)量標(biāo)準(zhǔn) ................................................................................................................. 37 質(zhì)量管理體系要素詳表 .................................................................................................. 37 施工質(zhì)量控制 ....................................................................................................................... 38 隧道襯砌質(zhì)量控制 ......................................................................................................... 38 隧道軸線控制 ............