摘要
针对距离判别分析研究边坡稳定性没有考虑指标权重因素,引入组合赋权法用于消除各指标权重不合理的影响。选取影响边坡稳定性的六个判别因子,利用矩估计法确定各指标的最优组合权重,并将组合赋权法与距离判别法耦合,得到改进的组合赋权-距离判别模型;最后利用该模型评价边坡稳定性,并对比分析此模型与其它判别方法的评价结果。研究结果表明,组合赋权-距离判别模型具有准确度高和客观合理性等特点,为边坡稳定性评价提供了一种有效方法。
The distance discriminant analysis study of slope stability does not consider the influence of the index weight,so the combined weighting method is introduced to eliminate the unreasonable influence of the index weight.This paper selects six discriminant factors that affect slope stability,uses the moment estimation method to determine the optimal combination weight of each index,and couples the combination weighting method with the distance discrimination method to obtain an improved combined weighting-distance discrimination model.This model is used to evaluate the slope stability,and the evaluation results are compared with those of other discriminant methods.The research results show that the combined weight-distance discriminant model has the characteristics of high accuracy and objective rationality,which provides an effective method for slope stability evaluation.
作者
黄德镛
耿元玲
郭琦
杜志锦
杨洋
HUANG Deyong;GENG Yuanling;GUO Qi;DU Zhijin;YANG Yang(School of Land and Resources Engineering,Kunming University of Science and Technology,Kunming 650093,China)
出处
《有色金属工程》
CAS
北大核心
2021年第1期101-106,136,共7页
Nonferrous Metals Engineering
基金
国家自然科学基金资助项目(U1602232)。
关键词
边坡稳定性
组合赋权法
矩估计法
距离判别法
slope stability
combined weighting method
moment estimation method
distance discrimination method
