基于组合权重-TOPSIS的岩质边坡稳定性评价Rock slope stability evaluation based on combined weighted and TOPSIS
陈文强;杨睿孜;赵宇飞;刘立鹏;
摘要(Abstract):
针对目前边坡稳定性评价中单一赋权方法的缺陷和组合赋权法的不足,引入相似性度量评价,建立基于基尼系数法和超标加权法的组合权重优化方法,并运用TOPSIS(Technique for Order Preference by Similarity to Ideal Solution)对岩质边坡稳定性进行评价,构建了基于组合权重-TOPSIS的评价模型;以10个水电岩质边坡为例,选取单轴抗压强度、结构面间距、结构面特征、RQD、地下水条件、结构面方向指标、开挖方法、边坡高度为评价指标,建立等级标准,依据该模型得到岩质边坡稳定性评价结果,并与其他模型结果及边坡实际情况进行了对比验证。结果表明,构建模型所得结果与实际情况一致,优于其他模型结果,该评价模型合理可行,可用于岩质边坡稳定性评价。
关键词(KeyWords): 安全工程;岩质边坡;组合权重;相似性度量;TOPSIS;稳定性评价
基金项目(Foundation): 国家自然科学基金项目(51609266);; 流域水循环模拟与调控国家重点实验室开放基金项目(IWHR-SKL-201817);; 天津市教委科研计划项目(2017SK124)
作者(Authors): 陈文强;杨睿孜;赵宇飞;刘立鹏;
DOI: 10.13637/j.issn.1009-6094.2021.0130
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