| 随机场理论在边坡工程可靠度分析中的应用 |
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| 引用本文： | 吴道荣.随机场理论在边坡工程可靠度分析中的应用[J].中国地质灾害与防治学报,2007,18(3):108-111. |
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| 作者姓名： | 吴道荣 |
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| 作者单位： | 福建省地质环境监测中心,福建,福州,350001 |
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| 摘 要： | 以国内广泛使用的传递系数法的平衡方程为基础,运用"国际结构安全度联合委员会(JCSS)"推荐的验算点法建立边坡工程可靠度分析模型,分别分析了某边坡基于随机变量模型和随机场模型时的边坡稳定性可靠度和破坏概率。计算结果表明,用随机变量模型计算出的破坏概率明显偏大,采用随机场模型比较符合实际情况。本例采用随机场模型计算时,方差折减系数可取0.5。
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| 关 键 词： | 随机场 传递系数法 可靠度分析 验算点法 随机变量模型 破坏概率 |
| 文章编号： | 1003-8035（2007）03-0108-04 |
| 收稿时间： | 2006-10-19 |
| 修稿时间： | 2007-04-28 |
Application of random field theory in reliability study of slope engineering |
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| WU Dao-rong.Application of random field theory in reliability study of slope engineering[J].The Chinese Journal of Geological Hazard and Control,2007,18(3):108-111. |
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| Authors: | WU Dao-rong |
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| Institution: | Geological and Environmental Monitoring Center of Fujian Province, Fuzhou 350001, China |
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| Abstract: | With balance equation of transfer coefficient method that widely used in domestic,applying checking point method recommended by JCSS,establish probability analysis model for stability of slope,individually analyze reliability and destroy probability of certain slope engineering basing on random field model and random variance model.Calculation results show that failure probability basing on random field model is deviate high clearly and that basing on random variance model is more conformity with reality.Adopting random field theory,this example may take 0.5 as variance reduction coefficient. |
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| Keywords: | random field transfer coefficient method reliability analysis checking point method random variance model failure probability |
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