| 通渝隧道涌突泥成因分析 |
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| 引用本文： | 顾义磊,李晓红,赵瑜,任松.通渝隧道涌突泥成因分析[J].岩土力学,2005,26(6):920-923. |
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| 作者姓名： | 顾义磊 李晓红 赵瑜 任松 |
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| 作者单位： | 重庆大学 资源及环境科学学院，重庆 400030 |
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| 基金项目： | 国家自然科学基金重点资助项目(No.50334060) |
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| 摘 要： | 通渝隧道区分布的含水层属海相沉积而成的可溶岩。2004年2月22日，在隧道中间地段k21+780里程，埋深达 940 m的隧道左拱肩发生突发性特大涌突泥的地质灾害。运用3D-σ数值分析软件对隧道k21+780地段的围岩进行应力计算，得出了围岩的应力及破坏域分布特征，结合工程地质及隧道施工分析了深埋隧道涌突泥的形成原因。
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| 关 键 词： | 隧道 涌突泥 数值模拟 |
| 文章编号： | 1000-7598-(2005)06-0920-04 |
| 收稿时间： | 2005-03-08 |
| 修稿时间： | 2005年3月8日 |
Analysis of forming reason of mud breakout in Tong-Yu tunnel |
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| GU Yi-lei,LI Xiao-hong,ZHAO Yu,REN song.Analysis of forming reason of mud breakout in Tong-Yu tunnel[J].Rock and Soil Mechanics,2005,26(6):920-923. |
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| Authors: | GU Yi-lei LI Xiao-hong ZHAO Yu REN song |
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| Institution: | College of Resources & Environmental Science, Chongqing University, Chongqing 400044, China |
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| Abstract: | The water stratum, distributing around the Tong-Yu Tunnel location, is eroded carbonate rock belong sea faces aggradations. A mud breakout was occurring at K21+780, with 940-meter depth of rock cover, in Feb 22th, 2004, in Tong-Yu Tunnel. According to the 3D-σsoftware analysis, the stress in the surrounding rock at K21+780 are proved, as well as the breakage region. Based on the conclusion of 3D-σsoftware analysis, combining with the engineering geology and construction technique, the forming reason of mud breakout in tunnel are discovered. |
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| Keywords: | tunnel mud breakout numerical simulation |
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