基于改进层次耦联云模型的库岸边坡稳定性评价
发布时间：2019-02-14 17:22
【摘要】：针对库岸边坡稳定性评价过程中指标概念随机性与模糊性共存问题,提出了一种基于改进层次分析法和云模型的边坡稳定性综合评价模型。考虑到目标与准则间的关联性,文中建立并运用改进层次分析法给出了评价指标权重值的确定方法;在此基础上,根据边坡稳定性评价标准,利用云模型理论对其评价指标样本的确定度及区分等级进行了判定计算,进而建立了库岸边坡稳定性评价的层次耦联云模型,并提出了其具体实施程序。结合锦屏一级水电站左岸高边坡,对其稳定性安全评价实施了考证,并将评价结果与其他评价方法进行比对分析,结果表明本文所建模型运用于边坡稳定性分析有效可行,该模型不仅提高了分析效率,而且顾及了稳定性等级的模糊性和实测值的随机性。
[Abstract]:Aiming at the coexistence of randomness and fuzziness in the evaluation of slope stability, a comprehensive evaluation model of slope stability based on improved analytic hierarchy process (AHP) and cloud model is proposed. Considering the relevance between target and criterion, this paper establishes and uses the improved analytic hierarchy process (AHP) to give a method to determine the weight value of evaluation index. On this basis, according to the evaluation criteria of slope stability, using cloud model theory, the determination degree and grade of evaluation index samples are determined and calculated, and then the hierarchical coupled cloud model is established to evaluate the stability of bank slope. And put forward its concrete implementation procedure. Combined with the high slope on the left bank of Jinping I Hydropower Station, the stability and safety evaluation of the slope is verified, and the evaluation results are compared with other evaluation methods. The results show that the model established in this paper is effective and feasible in slope stability analysis. The model not only improves the efficiency of analysis, but also takes into account the fuzziness of stability level and the randomness of measured values.
【作者单位】： 南昌大学建筑工程学院;
【基金】：国家自然科学基金项目(51409139,51569014)
【分类号】：TV223
[Abstract]:Aiming at the coexistence of randomness and fuzziness in the evaluation of slope stability, a comprehensive evaluation model of slope stability based on improved analytic hierarchy process (AHP) and cloud model is proposed. Considering the relevance between target and criterion, this paper establishes and uses the improved analytic hierarchy process (AHP) to give a method to determine the weight value of evaluation index. On this basis, according to the evaluation criteria of slope stability, using cloud model theory, the determination degree and grade of evaluation index samples are determined and calculated, and then the hierarchical coupled cloud model is established to evaluate the stability of bank slope. And put forward its concrete implementation procedure. Combined with the high slope on the left bank of Jinping I Hydropower Station, the stability and safety evaluation of the slope is verified, and the evaluation results are compared with other evaluation methods. The results show that the model established in this paper is effective and feasible in slope stability analysis. The model not only improves the efficiency of analysis, but also takes into account the fuzziness of stability level and the randomness of measured values.
【作者单位】： 南昌大学建筑工程学院;
【基金】：国家自然科学基金项目(51409139,51569014)
【分类号】：TV223
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