| 基于随机有限元的拱坝坝肩稳定可靠度分析 |
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| 引用本文： | 方建瑞,苏燕.基于随机有限元的拱坝坝肩稳定可靠度分析[J].福州大学学报(自然科学版),2006,34(4):598-603. |
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| 作者姓名： | 方建瑞 苏燕 |
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| 作者单位： | 1. 同济大学土木工程学院,上海,200092;福建省水利厅,福建,福州,350001
2. 福州大学土木建筑学院,福建,福州,350002 |
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| 摘 要： | 以有限元和可靠度理论为基础,提出了应用于拱坝坝肩抗滑稳定分析的随机有限元基本思路.通过与可靠度理论相结合,考虑变量的随机特性,建立荷载效应与基本随机变量之间的关系.在随机有限元的基础上进行拱坝坝肩抗滑稳定的可靠度分析,计算出相应的可靠指标.对一实际工程进行计算和分析,验证随机有限元方法在拱坝坝肩抗滑稳定分析中的应用.
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| 关 键 词： | 随机有限元 拱坝 坝肩稳定 可靠度分析 |
| 文章编号： | 1000-2243(2006)04-0598-06 |
| 修稿时间： | 2005年5月27日 |
Analysis on the reliability of the arch dam abutment stability based on stochastic finite element |
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| FANG Jian-rui,SU Yan.Analysis on the reliability of the arch dam abutment stability based on stochastic finite element[J].Journal of Fuzhou University(Natural Science Edition),2006,34(4):598-603. |
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| Authors: | FANG Jian-rui SU Yan |
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| Institution: | 1.College of Civil Engineering,Tongji University,Shanghai, 200092,China;2.Water Conservancy Department of Fujian Province,Fuzhou,Fujian 350001,China;3.College of Civil Engineering and Architecture, Fuzhou University,Fuzhou,Fujian 350002,China) |
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| Abstract: | Based on the theories of finite element and reliability,the basic idea about application of the stochastic finite element method used to analyze the abutment stability against sliding of the arch dam is presented in this paper.Then combined with reliability computation,the stochastic finite element method is used to establish the relationship between the load effect and basic stochastic variable dealing with statistical features of variables.Based on the stochastic finite element method,the reliability of the arch dam abutment stability against sliding is analyzed,and the corresponding reliability index is calculated.Finally,the application of the arch dam abutment stability against sliding analysis with the way of common definite solution and stochastic finite element method is tested by one practical example analyzed and calculated. |
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| Keywords: | stochastic finite element arch dam abutment stability reliability analysis |
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