【正文】 蘇州軌道交通 2 號線延伸線 01 標(biāo) 尹中路站 ~通達(dá)路站區(qū)間 盾構(gòu)穿越高壓天然氣管道施工及保護(hù)方案 中鐵十一局集團(tuán) 蘇州軌道交通 2 號線延伸線 01 標(biāo)項(xiàng)目經(jīng)理部 二 0 一四年八月 I 目 錄 工程概況 .................................................................................................................................... 1 ................................................................................................................................................................ 1 ................................................................................................................................... 2 施工工期計(jì)劃 ............................................................................................................................. 3 施工風(fēng)險(xiǎn)分析 ............................................................................................................................. 4 ................................................................................................................................................................ 4 ................................................................................................................................................................ 4 ................................................................................................................................................................ 4 盾構(gòu) 機(jī)施工情況及控制要點(diǎn) ......................................................................................................... 4 ............................................................................................................................................................ 4 ....................................................................................................................................................... 5 ........................................................................................................................................... 5 ....................................................................................................................................... 6 壁后 注漿 控制和管理 ................................................................................................................................. 6 盾構(gòu)下穿高壓天 然氣管道施工技術(shù)措施 ........................................................................................ 7 ................................................................................................................................................................ 7 .................................................................................................................................. 7 分階段控制區(qū)劃分 ...................................................................................................................................... 7 建立聯(lián)系網(wǎng)絡(luò) .............................................................................................................................................. 8 測量核準(zhǔn)里程 .............................................................................................................................................. 8 技術(shù)準(zhǔn)備和設(shè)備管理 ................................................................................................................................. 8 ....................................................................................................................................................... 9 中嚴(yán)格控制掘進(jìn)土壓力 .............................................................................................................. 9 .......................................................................................................................... 9 量 ........................................................................................................................................... 9 盾尾同步注漿 ............................................................................................................................ 10 二次補(bǔ)注漿 ................................................................................................................................ 10 盾構(gòu)掘進(jìn)軸線 ............................................................................................................................ 10 管片拼裝質(zhì)量的控制 ........................................................................................................................ 11 ................................................................................................................................ 11 ................................................................................................................ 12 監(jiān)測 方案 ...................................................................................................................................13 .............................................................................................................................................................. 13