【正文】 ..................................................... 18 監(jiān)控量測 .......................................................................................................... 18 ....................................................................... 19 .............................................................................. 19 ...................................................................................................... 19 耐久性設(shè)計原則 ..................................................................................... 20 大學(xué)本科 畢業(yè)設(shè)計 (論文 ) 第 2 頁 隧道結(jié)構(gòu)耐久性設(shè)計 .............................................................................. 20 第 3章 隧道洞門結(jié)構(gòu)設(shè)計 ............................................................................................ 23 洞口位置選擇 ................................................................................................... 23 隧道進口位置選擇 .................................................................................... 23 隧道出口位置選擇 .................................................................................... 23 洞門選擇 .......................................................................................................... 23 洞門擬設(shè)計 .............................................................................................. 23 洞門建筑材料 ........................................................................................... 25 洞門結(jié)構(gòu)驗算 .................................................................................................... 26 洞門荷載的計算 ....................................................................................... 26 洞門結(jié)構(gòu)驗算 ........................................................................................... 27 第 4章 施工方案設(shè)計 ................................................................................................... 30 淺埋暗挖段 ........................................................................................................ 30 淺埋暗挖段 V級圍巖地層 ........................................................................ 30 淺埋暗挖段 VI 級圍巖地層 ....................................................................... 32 蓋挖法施工（本隧道可以根據(jù)實際情況采取此法） ................................... 34 張夏隧道洞口的施工方法 ................................................................................... 34 通風(fēng) .................................................................................................................. 36 ................................................................................................................. 36 排水 .................................................................................................................. 36 超前支護與初期支護 .......................................................................................... 37 超前小導(dǎo)管注漿加固地層 ......................................................................... 37 中空注漿錨桿施工 .................................................................................... 37 錨桿鋼筋網(wǎng) .............................................................................................. 37 型鋼鋼架施工 ........................................................................................... 37 大管棚施工工序 ....................................................................................... 38 濕噴砼施工方法 ....................................................................................... 39 隧道二次襯砌 .................................................................................................... 39 正洞施工方法 ........................................................................................... 39 鋼筋制作安裝 ........................................................................................... 39 砼施工 ..................................................................................................... 40 襯砌背后注漿 ........................................................................................... 40 仰拱施工 .................................................................................................. 40 管溝施工 .................................................................................................. 41 隧道防水施工 .................................................................................................... 41 概述 ......................................................................................................... 41 防水層施工 ...................................