【正文】 高速公路施工標準化 技術(shù)指南 隧 道 分 冊 廣西 交通 投資 集團 有限公司 二〇一一年 四 月 1 目 錄 1 總則 .........................................................................................................................................1 目的及范圍 ......................................................................................................................1 編制依據(jù) ..........................................................................................................................1 章節(jié)劃分 .........................................................................................................................1 2 施工準備 ................................................................................................................................2 一般規(guī)定 .......................................................................................................................2 技術(shù)準備 ........................................................................................................................2 施工人員、材料和設(shè)備 ...................................................................................................3 施工供風、供水、供電 ...................................................................................................4 棄渣場、自辦料場、危險品庫 ........................................................................................6 3 洞口及明洞工程 .....................................................................................................................6 一般規(guī)定 ........................................................................................................................6 施工工序 ........................................................................................................................7 施工要點 ..........................................................................................................................7 4 洞身開挖 ................................................................................................................................. 11 一般規(guī)定 ...................................................................................................................... 11 施工工序 .................................................................................................................... 12 開挖方法 ...................................................................................................................... 17 連拱隧道 ...................................................................................................................... 22 小凈距隧道 .................................................................................................................. 25 5 初期支護與輔助工程措施 ....................................................................................................... 26 一般規(guī)定 ...................................................................................................................... 26 噴射混凝土 .................................................................................................................. 27 錨桿 ............................................................................................................................. 30 鋼架 ........................................................................................................................... 32 鋼筋網(wǎng) ........................................................................................................................ 34 超前錨桿支護 ............................................................................................................. 342 5． 7 超前小導(dǎo)管預(yù)注漿支護 ............................................................................................ 353 超前管棚支護 ......................................................................................................... 374 超前預(yù)注漿 ............................................................................................................... 386 地表砂漿錨桿 ........................................................................................................... 408 地質(zhì)注漿 .................................................................................................................... 408 初期支護質(zhì)量要求 ...................................................................................................... 408 6 仰拱與鋪地 ............................................................................................................................ 39 一般規(guī)定 ...................................................................................................................... 39 施工工序 .................................................................................................................... 420 施工要點 .................................................................................................................. 420 7 防水與排水 .......................................................................................................................... 442 一般規(guī)定 .................................................................................................................... 442 施工工序 .................................................................................................................... 452 施工防、排水 ............................................................................................................. 453 結(jié)構(gòu)防、排水 ............................................................................................................. 475 2 8 二次襯砌 ................................................................................................................................. 49 一般規(guī)定 ...................................................................................................................... 49 施工工序 .................................................................................................................... 520