| 岩质路堑深边坡稳定性评价的模糊概率方法 |
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| 引用本文： | 刘章军,陈飞,周宜红.岩质路堑深边坡稳定性评价的模糊概率方法[J].岩土力学,2008,29(Z1):368-372. |
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| 作者姓名： | 刘章军 陈飞 周宜红 |
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| 作者单位： | 三峡大学,土木水电学院,湖北,宜昌,443002 |
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| 摘 要： | 边坡工程是一个动态的、模糊的、开放的复杂系统,影响边坡稳定性的因素复杂且具有随机性和模糊性,传统的分析方法难以对复杂边坡的稳定性作出符合实际的评价.运用模糊概率的基本原理,建立了岩质路堑深边坡稳定性评价的模糊概率模型.在此模型中,综合选取了边坡岩体质量系数SRQC、边坡结构系数SSC、坡高系数SHC、坡角系数SCC、工程因素影响系数EFEC等5个评价指标因子;同时将边坡稳定性评价等级划分为很不稳定、不稳定、基本稳定、稳定以及很稳定5个等级.利用模糊概率模型对20个典型的边坡工程进行了稳定性评价分析,结果表明:该方法具有明显的合理性和可靠性,为边坡工程的预测与防治提供了新的途径.
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| 关 键 词： | 边坡工程 岩质边坡 稳定性评价 模糊概率方法 |
| 收稿时间： | 2008-07-25 |
Stability evaluation of depth cutting slope in rock mass based on fuzzy probability method |
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| LIU Zhang-jun,CHEN Fei,ZHOU Yi-hong.Stability evaluation of depth cutting slope in rock mass based on fuzzy probability method[J].Rock and Soil Mechanics,2008,29(Z1):368-372. |
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| Authors: | LIU Zhang-jun CHEN Fei ZHOU Yi-hong |
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| Institution: | College of Civil & Hydropower Engineering, China Three Gorges University, Yichang 443002, China |
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| Abstract: | Slope engineering is a dynamic,fuzzy,open and complicated system,and the factors which control and affect slope stability are random and fuzzy variables.It is difficult to evaluate the stability of complicated slopes by traditional analysis method.Based on the basic theory of fuzzy probability,the fuzzy probability model of stability evaluation of depth cutting slope is proposed.Some main control factors of rock slope,such as slope rock quality coefficient,slope structure coefficient,slope height coefficien... |
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| Keywords: | slope engineering rock slope stability evaluation fuzzy probability method |
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