| 软弱围岩隧道开挖的有限元模拟 |
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| 引用本文： | 王良 刘元雪. 软弱围岩隧道开挖的有限元模拟[J]. 重庆理工大学学报(自然科学版), 2005, 19(8): 104-106,112 |
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| 作者姓名： | 王良 刘元雪 |
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| 作者单位： | 解放军后勤工程学院建筑系,重庆400041 |
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| 基金项目： | 国家自然科学基金资助项目（50309017）. |
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| 摘 要： | 采用非线性有限元数值模拟的方法，对软弱围岩隧道施工进行了数值分析．利用大型通用软件ANSYS提供的单元生死功能和隐式蠕变方程，就隧道上下台阶法施工作业方式进行了二维弹一粘塑性分析，并进行模拟，所揭示的规律能为工程施工提供依据和指导．
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| 关 键 词： | 软弱围岩隧道 开挖 弹粘塑性 有限元 |
| 文章编号： | 1671-0924（2005）08-0104-03 |
| 收稿时间： | 2005-03-03 |
| 修稿时间： | 2005-03-03 |
FEM Simulation of Tunnel Excavation of Soft and Weak Wall Rocks |
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| Wang Liang;Liu YuanXue. FEM Simulation of Tunnel Excavation of Soft and Weak Wall Rocks[J]. Journal of Chongqing University of Technology(Natural Science), 2005, 19(8): 104-106,112 |
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| Authors: | Wang Liang Liu YuanXue |
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| Abstract: | This paper carries out analysis on the numerical values in the construction of soft and weak rock tunnel by means of nonlinear FEM numerical value simulation method. Besides, by means of element active/kill function and implicit creep equation provided in the large general software ANSYS, it analyzes and simulates the top and bottom benching tunneling construction in terms of elastic visco - plasticity. It also uncovers some principles that can be used to provide bases and theoretical guides to engineering construction. |
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| Keywords: | soft and weak wall rock tunnel excavation elastic visco-plasticity FEM |
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