| 有限元强度折减法在双孔并行隧道施工模拟中的应用研究 |
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| 引用本文： | 何朋立.有限元强度折减法在双孔并行隧道施工模拟中的应用研究[J].洛阳工业高等专科学校学报,2006,16(3):13-15. |
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| 作者姓名： | 何朋立 |
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| 作者单位： | 洛阳工业高等专科学校,建筑工程系,河南,洛阳,471003 |
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| 摘 要： | 用有限元强度折减法计算出的安全系数作为评价隧道围岩稳定性的指标,借助于ANSYS程序,使用莫尔-库仑等面积圆屈服准则,计算嵩山隧道的安全系数,通过分析比较确定最优开挖方案;对隧道的开挖支护过程进行数值模拟,分析应力场、位移场、塑性区和支护结构内力变化规律,为隧道工程施工提供理论指导。
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| 关 键 词： | 有限元强度折减法 安全系数 数值模拟 |
| 文章编号： | 1008-8814(2006)03-0013-03 |
| 收稿时间： | 03 24 2006 12:00AM |
| 修稿时间： | 2006年3月24日 |
The Research on Application of Strength Reduction Finite Element Method in Double-hole Parallel Tunnel Engineerings Construction Numerical Simulation |
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| HE Peng-li.The Research on Application of Strength Reduction Finite Element Method in Double-hole Parallel Tunnel Engineerings Construction Numerical Simulation[J].Journal of Luoyang Technology College,2006,16(3):13-15. |
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| Authors: | HE Peng-li |
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| Institution: | Architectural Engineering Department, Luoyang Technology College, Luoyang 471003, China |
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| Abstract: | The safety factor calculated by the strength reduction finite element method was used to judge the stability of tunnel surrounding rock according to the Mohr-Coulomb equivalent area circle criterion. The factor and latent slip surface of Songshan Tunnel were made certain based on ANSYS code numerical simulation calculation, so the best of all excavation projects is found by analyzing and comparing the results; The excavation and supporting process of Songshan Tunnel was numerical simulated, the transformation laws of stress fields, displacement field, plastic zone and the internal forces of the supporting frames were analyzed, and theoretical guidance for the design and construction of tunnel engineering is given. |
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| Keywords: | The strength reduction finite element method The safety factor Numerical simulation |
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