| 基于FEM-RSM-GA的边坡可靠度计算方法研究 |
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| 引用本文： | 胡平安,杨仕教,杨海辉.基于FEM-RSM-GA的边坡可靠度计算方法研究[J].矿业研究与开发,2011(5):95-98. |
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| 作者姓名： | 胡平安 杨仕教 杨海辉 |
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| 作者单位： | 湖南有色金属研究院;南华大学核资源与核燃料工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50974076) |
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| 摘 要： | 用随机有限元法计算实际边坡工程的可靠度和破坏概率需解决的关键问题是计算精度和运算效率。提出了基于FEM-RSM-GA的边坡工程的稳定性可靠度计算方法,以FLAC3D强度折减法(SRM)计算边坡工程的安全系数,建立响应面函数,利用遗传算法对可靠度指标和破坏概率优化求解。通过算例表明:该方法计算量小,用时少,可靠指标和破坏概率的相对误差分别为3%和6%,能满足实际边坡工程需求。
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| 关 键 词： | 边坡工程 可靠度 强度折减法 响应面法 遗传算法 |
Research on Method for Calculating Slope Reliability Based on FEM-RSM-GA |
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| HU Pingan,YANG Shijiao,YANG Haihui.Research on Method for Calculating Slope Reliability Based on FEM-RSM-GA[J].Mining Research and Development,2011(5):95-98. |
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| Authors: | HU Pingan YANG Shijiao YANG Haihui |
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| Affiliation: | HU Pingan1,YANG Shijiao2,YANG Haihui2(1.Hunan Research institute of Non-Ferrous Metalsa,Changsha,Hunan 421001,China,2.School of Nuclear Resources and Nuclear Fuel Engineering,University of South China,Hengyang,China) |
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| Abstract: | The computational accuracy and operating efficiency are the key problems in calculating reliability and failure probability of the slope project by stochastic finite element method.A reliability calculation method of slope stability based on method of finite element-response surface method-genetic algorithm is presented in this paper,calculating the safety factor of slope project with strength reduction method(SRM) based on FLAC3D,and establishing response surface function,then getting the optimal solutions... |
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| Keywords: | Slope engineering Reliability Strength reduction method Response surface method Genetic algorithm |
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