【正文】 石質(zhì)量指標 RQD 為61～ 73，巖芯呈柱狀為主，少量碎塊狀。與下伏中泥盆統(tǒng)郁江組 (D2y)地層為斷層接觸。 侏羅系下統(tǒng)石梯組 (J1s)： 分布于隧道東段賀州方向一帶的望高－楓木斷層 (F1)以東地段。之間。②走向在 70186。由于斷層分布在隧道通過地帶較硬質(zhì)的砂巖和石灰?guī)r中，推測斷裂帶以擠壓破碎為主，破碎巖石及影響帶寬度可達數(shù)米以上?！?40186。進出口兩端位于山前盆地邊緣地帶，以溶蝕侵蝕和山前堆積為特點。區(qū)域地勢中部高陡，兩端低 緩。 5．施工方案設計：施工方法選擇及施工方案設計 6．外文翻 譯，要求自找外文期刊上地下工程方面的科技論文進行翻譯 基本要求 1．綜合運用所學專業(yè)理論知識和基本技能，解決實際問題，進一步提高運算，制圖以及使用技術資糧的技巧。我國第一條水底公路隧道是 1970年建成的上海黃浦江水底隧道。大溪一湖霧嶺隧道為了減少建成后的通風費用，改善通風效果，在國內(nèi)首次采用豎井送排風通風方案。 80 年代中后期，首先在我國經(jīng)濟較為發(fā)達的東南沿海地區(qū)出現(xiàn)了長度超千米的公路隧道，如深圳的梧桐山隧道長 2km 多，首次在我國采用全橫向通風。 國內(nèi) 公路隧道發(fā)展狀況 改革開放以來，隨著國民經(jīng)濟的迅速發(fā)展，我國的公路建設也蓬勃發(fā)展，特別是高等級公路建設更是日新月異，全國性高等級公路路網(wǎng)格局正在形成。第二階梯是青藏高原、云貴高原和西北部黃土高原和內(nèi)蒙古高原。交通運輸發(fā)展相對落后，制約了經(jīng)濟發(fā)展。摘 要 該設計運用所學的知識完成木沖隧道 左 線的設計與施工。 隧道采用管棚作為超前支護， 初期支護采用超前或徑向注漿錨桿 (小導管 )、型鋼鋼架、鋼格柵及掛網(wǎng)濕噴等施工技術 ，當圍巖與初期支護基本穩(wěn)定后施做二次襯砌 關鍵詞： 高速公路 隧道 結構設計 施工 新奧 法 Abstract The design plete the left hand lane tunnel red wood design and construction .The length of the left line of Mu Chong Tunnel is1825 meter, it crosses karst areas, Formation is mainly made of sandstone, shale and siltstone Cambrian strata. First of all, based on engineering requirements and design specifications to determine the tunnel section, And then under the load the structure law of the structure through the ANSYS calculation of strength, according to the results of reinforcement calculation. The main tunnel level to grade Ⅱ , Ⅲ level, Ⅳ and Ⅴ grade classbased. Grade Ⅱ and Ⅲ level design is more stable rock so use fullface excavation, Level and grade Ⅳ Ⅴ rock, rock the situation as a result of poor design of the excavation crosssection using a larger hole in the wall guide method. NATM is the main tunnel construction methods. NATM is the construction method that Shotcrete Anchor is the main means of support by detecting the the monitoring of mechanical form of rock and Supporting the work of state structures evaluate the level of design and construction of improvements in a timely manner with the adjustment Lead pipe roof supports the early Support adopts advanced or radial grouting bolt linked work of steel gratings and construction technology, such as wetspray. When the rock and the initial support facilities achieve stability then secondary lining Keywords: Expressway Tunnel Design of lining structure Construction NATM 目錄 第 1 章 緒論 ....................................................................................................................... 1 課題研究背景 ....................................................................................................... 1 國內(nèi)公路隧道發(fā)展狀況 ....................................................................................... 1 國外公路隧道發(fā)展狀況 ....................................................................................... 2 設計內(nèi)容 ............................................................................................................... 3 主要研究的內(nèi)容 ....................................................................................... 3 基本要求 ................................................................................................... 3 第 2 章 設計的原則 和標準 ............................................................................................... 4 設計依據(jù) ............................................................................................................... 4 主要技術指標 ....................................................................................................... 4 第 3 章 工程概況 ............................................................................................................... 5 工程概況 ............................................................................................................... 5 工程地質(zhì)及水文地質(zhì) ........................................................................................... 5 地形地貌 ................................................................................................... 5 地質(zhì)構造 ................................................................................................... 5 地層巖性 ................................................................................................... 7 水文地質(zhì)特征 ........................................................................................... 9 巖溶發(fā)育特征 ........................................................................................... 9 不良地質(zhì)現(xiàn)象 ........................................................................................... 9 地震烈度 ................................................................................................. 10 隧道圍巖分類 ......................................................................................... 10 第 4 章 內(nèi)輪廓的確定 ..................................................................................................... 12 內(nèi)部凈空的確定 ................................................................................................. 12 結構斷面形式及尺寸初步擬定 ......................................................................... 13 第 5 章 公路隧道襯砌結構的設計和計算 ..................................................................... 14 圍巖壓力計算 ..................................................................................................... 14 Ⅲ級圍巖壓力計算 ................................................................................. 14 Ⅴ級圍巖壓力計算 ................................................................................. 14 襯砌內(nèi)力計算 ..................................................................................................... 15 ANSYS 加載求襯砌內(nèi)力過程 ............................................................................... 15 Ⅲ級圍巖襯砌內(nèi)力計算與強度檢驗 ..................................................... 16 Ⅴ級圍巖襯砌內(nèi)力計算與強度檢算 ..................................................... 19 襯砌結構強度檢算原理 .....................................................................................