【正文】 ..................................................... 25 洞門結(jié)構(gòu)驗(yàn)算 .................................................................................................... 26 洞門荷載的計(jì)算 ....................................................................................... 26 洞門結(jié)構(gòu)驗(yàn)算 ........................................................................................... 27 第 4章 施工方案設(shè)計(jì) ................................................................................................... 30 淺埋暗挖段 ........................................................................................................ 30 淺埋暗挖段 V級(jí)圍巖地層 ........................................................................ 30 淺埋暗挖段 VI 級(jí)圍巖地層 ....................................................................... 32 蓋挖法施工（ 本隧道可以根據(jù)實(shí)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(hù)與初期支護(hù) .......................................................................................... 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 .............................................................................................. 41 內(nèi)砼路面施工方法及洞內(nèi)附屬施工 ..................................................................... 41 水泥砼路面整平層施工 ............................................................................. 41 水泥砼路面面層施工 ................................................................................ 42 接縫 ......................................................................................................... 43 施工縫 ..................................................................................................... 43 填縫 ......................................................................................................... 43 洞內(nèi)附屬工程 ........................................................................................... 43 大學(xué)本科 畢業(yè)設(shè)計(jì) (論文 ) 第 3 頁 第 5章 防排水方案 ...................................................................................................... 44 設(shè)計(jì)說明 .......................................................................................................... 44 各種施工縫防水措施 .......................................................................................... 44 ......................................................................... 44 ....................................................................................... 46 防水層 ............................................................................................................... 48 防水板 ............................................................................................................... 48 第 6章 支護(hù)設(shè)計(jì)與計(jì)算 ............................................................................................... 49 支護(hù)設(shè)計(jì) ........................................................................................................... 49 隧道襯砌結(jié)構(gòu)驗(yàn)算 ............................................................................................. 50 基本原理 .................................................................................................. 50 主動(dòng)荷載－結(jié)構(gòu)模型［ 7］ ....................................................................... 50 隧道初砌承受的荷載及分類 ...................................................................... 51 計(jì)算建模 ........................................................................................................... 52 圍巖彈簧模型的選取和討論 ...................................................................... 53 二次襯砌模型的選取和討論 ...................................................................... 53 作用在襯砌上的荷載計(jì)算 ......................................................................... 55 牛頓 拉普森法求解 (nropt) .................................................................................. 62 結(jié)果輸出 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