| 确定隧道外水压力的地下水流模型--读<深埋隧道外水压力计算的解析-数值法>一文随笔 |
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| 引用本文： | 陈崇希,刘文波,彭涛.确定隧道外水压力的地下水流模型--读<深埋隧道外水压力计算的解析-数值法>一文随笔[J].水文地质工程地质,2002,29(5):62-64. |
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| 作者姓名： | 陈崇希 刘文波 彭涛 |
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| 作者单位： | 1. 中国地质大学环境地质研究所,武汉,430074
2. 中国地质大学研究生院,武汉,430074 |
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| 摘 要： | 分析当前普遍使用的“折减系数法”确定隧道外水压力中存在的问题，建议采用地下水流数值模拟法，并提出建模中的注意事项，特别是边界条件的确定。
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| 关 键 词： | 隧道外水压力 数值模拟 剖面二维流 边界条件 折减系数法 地下水流 渗流机理 |
A groundwater flow model for determining the tunnel external water pressure--Impressions of "the simulation of deep tunnel external water pressure by analytical-numerical method" |
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| CHEN Chong-xi ,LIU Wen-bo ,PENG Tao.A groundwater flow model for determining the tunnel external water pressure--Impressions of "the simulation of deep tunnel external water pressure by analytical-numerical method"[J].Hydrogeology and Engineering Geology,2002,29(5):62-64. |
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| Authors: | CHEN Chong-xi LIU Wen-bo PENG Tao |
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| Institution: | CHEN Chong-xi 1,LIU Wen-bo 2,PENG Tao 2 |
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| Abstract: | When determining the tunnel external water pressure, many disadvantages might exist in the generally-used method of reduction factor. In this paper, a proposed numerical model of groundwater flow is presented to acquire the tunnel external water pressure; furthermore, key points on model establishing including how to determine the boundary conditions are expanded accordingly. |
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| Keywords: | tunnel external water pressure numerical simulation 2D-flow on cross-section boundary conditions |
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