【正文】 ...................................................22 盾構(gòu)推進(jìn) ..........................................................................................................................................24 盾構(gòu)始發(fā) ..................................................................................................................................24 盾構(gòu)機(jī)試掘進(jìn) .........................................................................................................................29 盾構(gòu)正常掘進(jìn) .........................................................................................................................31 盾構(gòu)推進(jìn)過(guò)程中的姿態(tài)控制 ................................................................................................38 盾構(gòu)推進(jìn)過(guò)程中的方向調(diào)整 ................................................................................................38 掘進(jìn)中的碴土改良與防泥餅措施 ........................................................................................39 泥水系統(tǒng) ..................................................................................................................................40 管片運(yùn)輸及拼裝 .....................................................................................................................41 盾構(gòu)機(jī)刀具更換措施 .............................................................................................................44 盾構(gòu)施工防水、壁后充填及注漿 ......................................................................................47 220kV熱雙線單線開斷環(huán)入碼頭變電纜部分盾構(gòu)式電纜隧道工程 施工組織設(shè)計(jì) 3 特殊地質(zhì)地段施工 ................................................................................................................53 盾構(gòu)機(jī)到達(dá)施工 ...................................................................................................................53 盾構(gòu)機(jī)拆卸及運(yùn)輸 ...............................................................................................................55 行人安全避車臺(tái) ...................................................................................................................56 施工運(yùn)輸、通風(fēng)、照明 .......................................................................................................56 盾構(gòu)隧道洞門施工 ..........................................................................................................................58 洞門預(yù)埋環(huán)的制作與安裝 .....................................................................................................58 洞門襯砌 及防水施工 .............................................................................................................58 洞門施工注意事項(xiàng) .................................................................................................................59 第 6 章 豎井施工方案 ..................................................................................................... 60 豎井總體施工方案 ..........................................................................................................................60 1隧道豎井圍護(hù)結(jié)構(gòu)施工方案 ......................................................................................................60 工程概況 ..................................................................................................................................60 1盾構(gòu)隧道豎井圍護(hù)結(jié)構(gòu)施工方案 .....................................................................................61 2隧道豎井圍護(hù)結(jié)構(gòu)施工方案 ......................................................................................................63 工程概況 ..................................................................................................................................63 2盾構(gòu)隧道豎井圍護(hù)結(jié)構(gòu)施工方案 .....................................................................................64 基坑降水 ..........................................................................................................................................69 基坑土方開挖 ..................................................................................................................................71 基坑土方開挖總體方案 .........................................................................................................71 ............................................................................................................................. 72 土方開挖施工 .........................................................................................................................72 土方開挖質(zhì)量要求及注意事項(xiàng) .............................................................................................72 鋼圍檁及鋼支撐施工方案 .............................................................................................................73 鋼支撐的組成 ..........................................................................................................................73 鋼支撐體系的構(gòu)造樣式和 連接形式 .....................................................................................74 鋼支撐的檢驗(yàn)標(biāo)準(zhǔn) ..................................................................................................................75 鋼支撐的安裝架設(shè) ..................................................................................................................75 質(zhì)量要求及注意事項(xiàng) ..............................................................................................................77 220kV熱雙線單線開斷環(huán)入碼頭變電纜部分盾構(gòu)式電纜隧道工程 施工組織設(shè)計(jì) 4 豎井底板施工 ...................................................................................................................................77 豎井井筒施工 ...................................................................................................................................78 腳手架平臺(tái)搭設(shè) ......................................................................................................................78 鋼筋綁扎 ...................................................................................................................................78 模板制作、安裝 ......................................................................................................................78 混凝土澆筑 ........