熵权法改进的模糊数学滑坡稳定性评价方法研究

P642.22; 滑坡是中国最为常见的一种地质灾害类型,其具有的易发、频发特点使得人民的生命财产安全受到了严重的威胁,滑坡的稳定性评价是滑坡防灾减灾工作中最为关键的一项工作.鉴于滑坡诱发因素具有模糊性的特点,文章以陕西省勉县新铺镇发育的典型堆积层滑坡为例,在地质环境条件分析的基础上,考虑了采用模糊数学法进行滑坡稳定性评价,并引入热力学中"熵"的概念,采用熵权法确定了滑坡诱发因子的权重,进而提出了一种基于熵权法改进的模糊数学滑坡稳定性评价新方法.结果表明:新提出的基于熵权法改进的模糊数学滑坡稳定性评价方法克服了传统模糊综合评价方法主观性判断滑坡影响因子权重的弊端;通过数值模拟...

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Published in中国地质灾害与防治学报 Vol. 35; no. 1; pp. 19 - 27
Main Authors 霍善欣, 王新刚, 薛晨, 王友林, 李琦, 刘凯
Format Journal Article
LanguageChinese
Published 大陆动力学国家重点实验室(西北大学地质学系),陕西西安 710069%陕西省水工环地质调查中心,陕西西安 710068 2024
Subjects
模糊综合评价
熵权法
fuzzy comprehensive evaluation
稳定性分析
entropy weight method
stability analysis
数值模拟
landslide
滑坡
numerical simulation
Online AccessGet full text
ISSN1003-8035
DOI10.16031/j.cnki.issn.1003-8035.202309016

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Abstract P642.22; 滑坡是中国最为常见的一种地质灾害类型,其具有的易发、频发特点使得人民的生命财产安全受到了严重的威胁,滑坡的稳定性评价是滑坡防灾减灾工作中最为关键的一项工作.鉴于滑坡诱发因素具有模糊性的特点,文章以陕西省勉县新铺镇发育的典型堆积层滑坡为例,在地质环境条件分析的基础上,考虑了采用模糊数学法进行滑坡稳定性评价,并引入热力学中"熵"的概念,采用熵权法确定了滑坡诱发因子的权重,进而提出了一种基于熵权法改进的模糊数学滑坡稳定性评价新方法.结果表明:新提出的基于熵权法改进的模糊数学滑坡稳定性评价方法克服了传统模糊综合评价方法主观性判断滑坡影响因子权重的弊端;通过数值模拟法进行滑坡稳定性定量化分析验证,发现两种方法评价结论较为吻合,说明了所提出的新方法具有一定的可靠性.基于熵权法改进的模糊数学滑坡稳定性评价方法较为快速简捷,可用于临灾快速预警、应急救援等突发情况下的滑坡防灾减灾工作.
AbstractList P642.22; 滑坡是中国最为常见的一种地质灾害类型,其具有的易发、频发特点使得人民的生命财产安全受到了严重的威胁,滑坡的稳定性评价是滑坡防灾减灾工作中最为关键的一项工作.鉴于滑坡诱发因素具有模糊性的特点,文章以陕西省勉县新铺镇发育的典型堆积层滑坡为例,在地质环境条件分析的基础上,考虑了采用模糊数学法进行滑坡稳定性评价,并引入热力学中"熵"的概念,采用熵权法确定了滑坡诱发因子的权重,进而提出了一种基于熵权法改进的模糊数学滑坡稳定性评价新方法.结果表明:新提出的基于熵权法改进的模糊数学滑坡稳定性评价方法克服了传统模糊综合评价方法主观性判断滑坡影响因子权重的弊端;通过数值模拟法进行滑坡稳定性定量化分析验证,发现两种方法评价结论较为吻合,说明了所提出的新方法具有一定的可靠性.基于熵权法改进的模糊数学滑坡稳定性评价方法较为快速简捷,可用于临灾快速预警、应急救援等突发情况下的滑坡防灾减灾工作.
Abstract_FL Landslide are one of the most common types of geological disasters in China,posing a serious threat to the safety of people's lives and properties due to their propensity and frequency.The stability assessment of landslides is crucial in landslide disaster prevention and mitigation works.Considering the fuzzy nature of landslide inducing factors,a certain accumulation layer landslide in Xinpu Town,Mianxian County is taken as an example in this article.Based on the analysis of geological environmental conditions,a fuzzy mathematical method is employed for landslide stability assessment.The concept of"entropy"from thermodynamics is introduced,and the entropy weight method is used to determine the weights of landslide inducing factors.Consequently,a new method for landslide stability assessment based on the improved entropy weighting method in fuzzy mathematics is proposed.The results show that the proposed method overcomes the subjectivity in determining the weights of landslide influencing factors in traditional fuzzy comprehensive evaluation methods.Validation through quantitative analysis of landslide stability using numerical simulation method found that the evaluation conclusions of the two methods were in good consistent,indicating the reliability of the proposed new method.The improved fuzzy mathematical landslide stability assessment based on entropy weighting method is relatively fast and simple,making it suitable for landslide disaster prevention and mitigation works in emergency situations such as rapid disaster warning of impending disasters and emergency rescue.
Author 王新刚
王友林
李琦
霍善欣
薛晨
刘凯
AuthorAffiliation 大陆动力学国家重点实验室(西北大学地质学系),陕西西安 710069%陕西省水工环地质调查中心,陕西西安 710068
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Author_FL WANG Xingang
WANG Youlin
LIU Kai
LI Qi
XUE Chen
HUO Shanxin
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DocumentTitle_FL Study on the stability evaluation method of fuzzy mathematical landslide improved by entropy weight method
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Keywords 模糊综合评价
熵权法
fuzzy comprehensive evaluation
稳定性分析
entropy weight method
stability analysis
数值模拟
landslide
滑坡
numerical simulation
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PublicationTitle 中国地质灾害与防治学报
PublicationTitle_FL The Chinese Journal of Geological Hazard and Control
PublicationYear 2024
Publisher 大陆动力学国家重点实验室(西北大学地质学系),陕西西安 710069%陕西省水工环地质调查中心,陕西西安 710068
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Title 熵权法改进的模糊数学滑坡稳定性评价方法研究
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