【正文】 ..... 16 ....................................................................................................................... 16 .......................................................................................................................... 16 ....................................................................................................................... 17 ....................................................................................................................... 17 .......................................................................................................................... 18 ....................................................................................................................... 18 6穿越珠江北航道技術(shù)措施 .................................................................................................. 18 ............................................................................................................ 18 掘進(jìn)模式選擇 ......................................................................................................... 21 .............................................................................................. 21 珠江三角洲城際快速軌道交通廣州至佛山段施工 14 標(biāo)段【沙涌站～沙園站盾構(gòu)區(qū)間】 下 穿 珠 江施工 方案 2 中鐵二局股份有限公司 土改良 ....................................................................................................................... 21 ..................................................................................................... 22 .............................................................................................................. 22 注漿 .............................................................................................................. 23 管片姿態(tài)的控制 ............................................................................................................ 25 出土量控制 .................................................................................................................... 26 開倉檢查及換刀 ............................................................................................................. 26 7 監(jiān)測措施 .......................................................................................................................... 27 8盾 構(gòu)下穿珠江段施工常見問題及處理措施 ......................................................................... 28 盾構(gòu)機(jī)密封性能不良 的問題及處理措施 ........................................................................ 28 “結(jié)泥餅”現(xiàn)象的處理 ................................................................................................. 29 螺旋機(jī)“噴涌” 現(xiàn)象的處理 .......................................................................................... 29 江底塌方 現(xiàn)象的 預(yù)防 及 處理 .......................................................................................... 30 ........................................................................................... 30 9 質(zhì)量、安全保證措施 ........................................................................................................ 31 ................................................................................................................ 31 盾構(gòu)掘進(jìn)質(zhì)量控制 ................................................................................................ 31 同步注漿質(zhì)量控制 ................................................................................................ 31 管片安裝質(zhì)量控制 ................................................................................................ 32 二次注漿質(zhì)量控制 ................................................................................................ 32 隧道防水工程質(zhì)量控制 ......................................................................................... 33 ......................................................................................................... 33 施工場地安全管理措施 ......................................................................................... 33 施工機(jī) 械安全管理措施 ......................................................................................... 34 施工用電安全措施 ................................................................................................ 34 水平運(yùn)輸及垂直運(yùn)輸安全保障措施 ........................................................................ 35 10工程風(fēng)險(xiǎn)分析及應(yīng)急預(yù)案 ................................................................................................ 35 及 預(yù)防 措施 ............................................................................................. 36 ..................................................................................................................... 38 應(yīng)急預(yù)案程序 .................................................................................................... 38 應(yīng)急救援領(lǐng)導(dǎo)小組 ............................................................................................. 39 救援小組職責(zé) ...................................................................................................... 39 ....................................................................................................... 40 .............................................................................................................. 41 啟動(dòng)實(shí)施的原則 ................................................................................................ 41 .................................................................................................... 41 .................................................................................................... 44 .................................................................................................... 45 .................................................................................................... 45 1附件及附圖 ................................................................................................................... 46 珠江三角洲城際快速軌道交通廣州至佛山段施工 14 標(biāo)段【沙涌站～沙園站盾