| 基于弹塑性理论的隧洞围岩稳定可靠度分析 |
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| 引用本文： | 范喜安.基于弹塑性理论的隧洞围岩稳定可靠度分析[J].交通标准化,2011(17):133-135. |
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| 作者姓名： | 范喜安 |
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| 作者单位： | 保定市张涿高速公路筹建处,河北保定,071051 |
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| 基金项目： | 河北省交通厅科技计划项目(Y-2010131) |
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| 摘 要： | 在隧洞围岩稳定性分析中,运用可靠度理论比传统的安全系数法更符合实际。以圆形隧洞围岩的弹塑性分析的解析解为基础,建立圆形隧洞围岩稳定性分析的可靠度分析模型。考虑到功能函数的高度非线性,采用Fortran语言编制可靠指标的计算程序,并结合实例对可靠指标的影响因素进行分析。
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| 关 键 词： | 隧洞围岩 极限状态方程 可靠度指标 验算点法 蒙特卡洛法 |
Stability Reliability Analysis of Tunnel Surrounding Rock Based on Elastic-Plastic Theory |
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| FAN Xi-an.Stability Reliability Analysis of Tunnel Surrounding Rock Based on Elastic-Plastic Theory[J].Communications Standardization,2011(17):133-135. |
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| Authors: | FAN Xi-an |
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| Institution: | FAN Xi-an(Baoding City Zhang-Zhuo Expressway Management Preparation Office,Baoding 071051,China) |
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| Abstract: | In the stability analysis of tunnel surrounding rock,reliability theory is more realistic than traditional safety factor method.Based on the analytical solution of elastic-plastic analysis on round tunnel surrounding rock,the reliability analysis model for analyzing the stability of round tunnel surrounding rock is established.Considering the performance function is highly nonlinear,it uses Fortran language to compile the calculation program of reliability index and analyzes the influencing factor of reliab... |
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| Keywords: | tunnel surrounding rock limit state equation reliability index checking point method Monte-Carlo method |
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