【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 ................................................................................... 37 盾構(gòu)正常掘進施工 .................................................................................................... 40 掘進過程中參數(shù)確定 ....................................................................................... 42 盾構(gòu)掘進過程控制 .......................................................................................... 48 盾構(gòu)機到達接收施工 ....................................................................................... 54 II 洞內(nèi)出碴、運輸及碴土外運 .................................................................................... 56 管片拼裝 ..................................................................................................................... 57 管片設(shè)計參數(shù) ................................................................................................... 57 管片地上運輸 ................................................................................................... 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 ..................................................................................................................... 64 到達掘進及盾構(gòu)接收 ...................................................................................... 64 接收機座安裝 .................................................................................................. 65 到達端洞門處理 .............................................................................................. 66 貫通掘進注意事項 .......................................................................................... 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 負環(huán)加固鋼支撐安裝 ...................................................................................... 67 風(fēng)道內(nèi)負環(huán)拼裝 .............................................................................................. 67 負環(huán)管片加固 .................................................................................................. 68 二次始發(fā)掘進施工控制 .................................................................................. 69 風(fēng)道內(nèi)負環(huán)拆除 ............................................................................................ 70 6 盾構(gòu)過風(fēng)險源施工 .............................................................................................................. 71 設(shè)計施工措施 ............................................................................................................ 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)機始發(fā)初始狀態(tài)的測量 ........................................................................... 80 盾構(gòu)機姿態(tài)、管片安裝的測量 ....................................................................... 82 地面建筑的監(jiān)控測量 ....................................................................................... 83 監(jiān)測項 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)量驗收標(biāo)準(zhǔn) ..................................................................................................... 90 盾構(gòu)的日常維護 ............................