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多重影响因素下的边坡稳定性评价方法及应用 被引量:8

Approach and Application of Rock Slopes' Stability Assessment Under the Comprehensive Effect of Multiple Factors
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摘要 在边坡稳定性评价方法基础上,分析了边坡稳定性评价方法的某些缺陷,讨论了影响边坡稳定性的因素,并对影响边坡稳定性的几类指标进行分析和归类。从地质条件、自然环境、工程设计等角度考虑,建立了一种考虑多重影响因素并结合层次分析法(AHP)和模糊数学的边坡稳定性评价方法,利用该方法对某露天矿山边坡进行了稳定性评价。新分级体系下的边坡稳定性分级结果表明,中区和南区下盘边坡是潜在不稳定区域,需要进一步分析,而上盘边坡的稳定性明显好于下盘边坡的稳定性,这与CSMR的分级结果相近,验证了指标分类的合理性以及该评价方法的可行性。 Based on the method of slope stability assessment, the disadvantages of the slope stability assessment method has been analyzed. The factors of approach for evaluating rock slopes stability have been proposed, and the factors that affecting the slope stability have been analyzed and categorized. They have been categorized into three groups, which are geological factor, environmental factor, and engineering factor. Based on these, a new approach for evaluating rock slopes stability under the comprehensive effect of multiple factors combining Analytic Hierarchy Process (AHP) and fuzzy mathematics has been set up. A certain open-pit's rock slope has been evaluated by this approach. The results under the new classification system of slope stability classification showed that the central and southern district of footwall slope was potentially unstable areas, which need further analysis. Moreover the slope stability of the hanging wall was much better than the footwall, which was similar with CSMR classification results. The resuhs showed that the factors categorization was rational and the assessment was valid.
出处 《科技导报》 CAS CSCD 北大核心 2013年第20期20-25,共6页 Science & Technology Review
基金 国家自然科学基金项目(50774092) 高等学校全国优秀博士学位论文作者专项资金资助项目(200449) 湖南省博士生科研创新项目(1960-71131100061)
关键词 边坡稳定性评价 地质因素 环境因素 工程因素 slope stability assessment geological factor environmental factor engineering factor
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