【正文】 ............................................. 33 洞門鑿樁 .......................................................................................................... 34 盾構(gòu)始發(fā)施工 ............................................................................................................ 35 潛覆土加固 ...................................................................................................... 35 盾構(gòu)始發(fā) 112m 試掘進(jìn) ................................................................................... 37 盾構(gòu)正常掘進(jìn)施工 .................................................................................................... 40 掘進(jìn)過程中參數(shù)確定 ....................................................................................... 42 盾構(gòu)掘進(jìn)過程控制 .......................................................................................... 48 盾構(gòu)機(jī)到達(dá)接收施工 ....................................................................................... 54 II 洞內(nèi)出碴、運(yùn)輸及碴土外運(yùn) .................................................................................... 56 管片拼 裝 ..................................................................................................................... 57 管片設(shè)計(jì)參數(shù) ................................................................................................... 57 管片地上運(yùn)輸 ................................................................................................... 58 管片拼裝 ........................................................................................................... 58 5 盾構(gòu)過風(fēng)道施工 .................................................................................................................. 62 端頭加固 .................................................................................................................... 62 風(fēng)道洞門破除 ............................................................................................................. 62 貫通掘進(jìn) ..................................................................................................................... 64 到達(dá)掘進(jìn)及盾構(gòu)接收 ...................................................................................... 64 接收機(jī)座安裝 .................................................................................................. 65 到達(dá)端洞門處理 .............................................................................................. 66 貫通掘進(jìn)注意事項(xiàng) .......................................................................................... 66 盾構(gòu)設(shè)備檢修 ............................................................................................................ 66 盾構(gòu)過風(fēng)道再次 始發(fā)施工 ........................................................................................ 67 負(fù)環(huán)加固鋼支撐安裝 ...................................................................................... 67 風(fēng)道內(nèi)負(fù)環(huán)拼裝 .............................................................................................. 67 負(fù)環(huán)管片加固 .................................................................................................. 68 二次始發(fā)掘進(jìn)施工控制 .................................................................................. 69 風(fēng)道內(nèi)負(fù)環(huán)拆除 ............................................................................................ 70 6 盾構(gòu)過風(fēng)險(xiǎn)源施工 .............................................................................................................. 71 設(shè)計(jì)施工措施 ............................................................................................................ 71 盾構(gòu)下穿迎晨橋地層加固措施 ................................................................................ 72 加固范圍 .......................................................................................................... 72 加固施工 ........................................................................................................... 74 迎晨橋監(jiān)測 .................................................................................................... 74 盾構(gòu)過風(fēng)險(xiǎn)源施工 .................................................................................................... 76 7 盾構(gòu)施工測量及監(jiān)測方案 .................................................................................................. 78 編制原則 ..................................................................................................................... 78 測量方案的制定 ......................................................................................................... 78 盾構(gòu)隧道內(nèi) 監(jiān)控測量 ................................................................................................. 79 隧道內(nèi)平面控制測量 ....................................................................................... 79 隧道內(nèi)高程控制量測 ....................................................................................... 80 盾構(gòu)機(jī)始發(fā)初始狀態(tài)的測量 ........................................................................... 80 盾構(gòu)機(jī)姿態(tài)、管片安裝的測量 ....................................................................... 82 地面建筑的監(jiān)控測量 ....................................................................................... 83 監(jiān)測項(xiàng)目 .................................................................................................................... 84 8 盾構(gòu)施工質(zhì)量保證措施 ....................................................................................................... 85 質(zhì)量保證體系 ............................................................................................................. 85 質(zhì)量職責(zé) ..................................................................................................................... 86 施工技術(shù)保證措施 ..................................................................................................... 89 施工管理保證措施 ..................................................................................................... 90 工程質(zhì)量驗(yàn)收標(biāo)準(zhǔn) ..................................................................................................... 90 盾構(gòu)的日常維護(hù) ...................................................