【正文】 . Two water tunnel lining structure using posite lining,curved wall section in the form of arched cross section,reserved for deformation of 35cm,initial support of bolt， spray,mesh and supporting structure,secondary lining thickness 60cm,with reinforcement 5Φ22,longitudinal connecting bars using Φ14,hoop with Φ8. Key words： Soft rock tunnel construction design construction anization 目 錄 第 1 章 緒論 ....................................................................................................................... 1 選題意義 .................................................................................................................. 1 國內(nèi)外現(xiàn)狀 .............................................................................................................. 1 軟弱圍巖對隧道失穩(wěn)的影響 .......................................................................... 1 軟巖隧道失穩(wěn)破壞特征 .................................................................................. 2 軟弱圍巖隧道設(shè)計(jì)理論 .................................................................................. 3 軟巖隧道支護(hù)方法現(xiàn)狀及其支護(hù)作用機(jī)理 ................................................. 3 主要研究內(nèi)容及研究方法 ..................................................................................... 4 主要研究內(nèi)容 .................................................................................................. 4 主要研究方法 .................................................................................................. 4 第 2 章 工程概況及工區(qū)劃分 .......................................................................................... 6 工程概況 .................................................................................................................. 6 隧道概況 .......................................................................................................... 6 工程地質(zhì)和水文地質(zhì)特征 .............................................................................. 6 工區(qū)劃分及設(shè)計(jì)區(qū)段選定 ..................................................................................... 8 主要工程特點(diǎn)、 難點(diǎn) ............................................................................................. 9 工程特點(diǎn) .......................................................................................................... 9 工程難點(diǎn)及采取的對策與措施 ...................................................................... 9 第 3 章 結(jié)構(gòu)設(shè)計(jì) ............................................................................................................. 10 主要設(shè)計(jì)依據(jù)及技術(shù)標(biāo)準(zhǔn) ................................................................................... 10 設(shè)計(jì)依據(jù) ........................................................................................................ 10 設(shè)計(jì)標(biāo)準(zhǔn) ........................................................................................................ 10 結(jié)構(gòu)計(jì)算原理 ........................................................................................................ 10 計(jì)算模型 ................................................................................................................ 11 計(jì)算工況 ........................................................................................................ 11 計(jì)算荷載 ........................................................................................................ 11 計(jì)算參數(shù) ........................................................................................................ 11 計(jì)算模型 ........................................................................................................ 12 內(nèi)力計(jì)算 ................................................................................................................ 12 結(jié)構(gòu)檢算 ................................................................................................................ 14 第 4 章 施工組織設(shè)計(jì) .................................................................................................... 18 施工總體部署 ........................................................................................................ 18 施工準(zhǔn)備 ........................................................................................................ 18 施工組織機(jī)構(gòu)、施工隊(duì)伍安排及勞動(dòng)力配備 ........................................... 18 臨時(shí)工程規(guī)劃及施工總平面布置 ................................................................ 19 施工進(jìn)度安排 ................................................................................................ 21 主要施工方法及機(jī)械配套 ................................................................................... 21 斜井的施工方法及技術(shù)措施 ........................................................................ 21 正洞的施工方法及技術(shù)措施 ........................................................................ 24 監(jiān)控量測與數(shù)據(jù)分析 .................................................................................... 46 不良地質(zhì)地段采取的措施 ................................................................................... 49 施工輔助作業(yè) ........................................................................................................ 51 施工供風(fēng) ........................................................................................................ 51 施工供水 ........................................................................................................ 51 施工供電 ........................................................................................................ 52 施工通風(fēng) ........................................................................................................ 53 第 5 章 結(jié)論 ..................................................................................................................... 55 參考文獻(xiàn) ............................................................................................................................. 56 致謝 ..................................................................................................................................... 57 附 錄 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