| 隧道衬砌外水压力确定的渗流场-应力场耦合模型研究 |
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| 引用本文： | 庄宁,阚二林,邓明镜.隧道衬砌外水压力确定的渗流场-应力场耦合模型研究[J].中南公路工程,2007,32(1):55-59. |
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| 作者姓名： | 庄宁 阚二林 邓明镜 |
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| 作者单位： | 同济大学地下建筑与工程系 上海200092(庄宁)，上海申元岩土工程有限公司 上海200011(阚二林)，重庆交通学院 重庆400074(邓明镜) |
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| 摘 要： | 论述了国内外计算隧道衬砌外水压力的折减系数法和渗流场计算方法。分析了公路隧道围岩渗流场-应力场的耦合机理,并以此建立了计算外水压力的数学模型。同时提出了一种简化模型来表示两场的耦合本构关系,并给出了计算公路隧道衬砌外水压力的有限元方法步骤。
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| 关 键 词： | 渗透系数 渗流场 应力场 耦合模型 外水压力 |
| 文章编号： | 1002-1205(2007)01-0055-05 |
| 修稿时间： | 2005-12-19 |
Analysis of Coupled Seepage and Stress Fields Modei in Determining Tunnel's External Water Pressure |
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| ZHUANG Ning, KAN Erlin, DENG Mingjing.Analysis of Coupled Seepage and Stress Fields Modei in Determining Tunnel''''s External Water Pressure[J].Central South Highway Engineering,2007,32(1):55-59. |
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| Authors: | ZHUANG Ning KAN Erlin DENG Mingjing |
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| Institution: | 1. Tongji university, Shanghai 200092, China; 2. Shanghai Shenyuan geotechnical co. hd, shanghai 200011 , China; 3. Chongqing jiao tong university, Chongqing 400074, China |
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| Abstract: | The paper discusses the methods of the coefficient reduction in determining tunnel lining's external water pressure in the world.It also analyses the mechanics of coupled seepage and stress fields.Then it establishes the mathematics model to calculating the external water pressure.This paper puts forward a new simple model of coupled field constitutive relation and expounds the FEM process to calculating the external water pressure. |
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| Keywords: | coefficient of permeability seepage field stress field coupled model external water pressure |
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