[1]武鑫,赵浩然,郑秀清,等.基于改进突变理论的滑坡稳定性分级判别[J].自然灾害学报,2019,28(04):122-130.[doi:10.13577/j.jnd.2019.0413]
 WU Xin,ZHAO Haoran,ZHENG Xiuqing,et al.Discrimination of landslide stability based on improved catastrophe theory[J].,2019,28(04):122-130.[doi:10.13577/j.jnd.2019.0413]
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基于改进突变理论的滑坡稳定性分级判别
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
28
期数:
2019年04期
页码:
122-130
栏目:
出版日期:
2019-08-28

文章信息/Info

Title:
Discrimination of landslide stability based on improved catastrophe theory
作者:
武鑫 赵浩然 郑秀清 陈军锋 温晓艺
太原理工大学 水利科学与工程学院, 山西 太原 030000
Author(s):
WU Xin ZHAO Haoran ZHENG Xiuqing CHEN Junfeng WEN Xiaoyi
1. College of Water Resources Science and Engineering, Taiyuan University of Technology, Taiyuan 030000, China
关键词:
滑坡稳定性改进的突变理论判别方法诱灾因素模型
Keywords:
land slidestabilityimproved catastrophe theorydiscrimination methodinducing disaster factormodel
分类号:
X43;P642.22
DOI:
10.13577/j.jnd.2019.0413
摘要:
基于改进的突变理论,提出一种滑坡稳定性的综合判别方法。利用山西省交城县24个滑坡实地调查的基础资料,从孕灾环境、承灾体属性和诱灾因素3个方面,选取相对高差、岩土体类型、斜坡岩土体风化程度与裂隙发育特征、植被覆盖率、斜坡结构类型、坡面形态、斜坡坡度、后缘加载、前缘切坡、降雨量10个指标,建立了滑坡稳定性判别模型。采用突变理论、模糊数学、贡献率法相结合的方法确定了初始隶属度函数值,由归一公式逐层递归运算得到总突变级数,利用改进的突变理论方法对总突变级数进行转换,形成新的滑坡稳定性判别准则。将改进后的评判结果与实地调查结果进行对比分析,表明改进的判别方法精度较高,可为滑坡地质灾害的稳定性评价及其防治提供参考。
Abstract:
A comprehensive method for landslide stability discriminant is proposed based on the improved catastrophe theory. The 24 landslides in Jiaocheng County, Shanxi province, were investigated. Choosing relative elevation differences, slide material types, degree of weathering and characteristics of fracture development, plant cover ratio, slope structure type, slope morphology, slope ratio, trailing edge load, leading edge slope and precipitation as indicators from three aspects of disaster environment and factors, and disaster bearers, a landslide stability discriminant model was established. The initial membership function values were derived by combining catastrophe theory, fuzzy mathematics and contribution rate method. Normalization formula was utilized to form recursive calculating to get total catastrophe progression, which then was transformed into new criterion by the improved catastrophe theory to determine landslide stability. The improved catastrophe theory to evaluate the stability of landslides has higher precision by comparing the improved results with on-site verification results. Therefore,this method can be used to evaluate the stability of landslide and provide the basis for landslide prevention and control.

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相似文献/References:

[1]文畅平,肖宏彬,曾娟娟.基于突变级数法的滑坡稳定性评价[J].自然灾害学报,2015,24(02):068.[doi:10.13577/j.jnd.2015.0209]
 WEN Changping,XIAO Hongbin,ZENG Juanjuan.Evaluation of landslide stability based on catastrophe progression method[J].,2015,24(04):068.[doi:10.13577/j.jnd.2015.0209]
[2]胡安龙,王孔伟,李建林,等.基于智能算法优化支持向量机模型的滑坡稳定性预测[J].自然灾害学报,2016,25(05):046.[doi:10.13577/j.jnd.2016.0506]
 HU Anlong,WANG Kongwei,LI Jianlin,et al.Prediction of landslide stability based on SVM model optimized by intelligent algorithm[J].,2016,25(04):046.[doi:10.13577/j.jnd.2016.0506]

备注/Memo

备注/Memo:
收稿日期:2018-12-10;改回日期:2019-04-12。
基金项目:国家自然科学基金项目(41752221);山西省水文水资源勘测项目(ZNGZ2015-036)
作者简介:武鑫(1993-),男,硕士研究生,主要从事水文与水资源、水文地质方面的研究.E-mail:516761963@qq.com
通讯作者:郑秀清(1958-),女,教授,博士,主要从事水文地质、水资源与水环境方面的研究.E-mail:zhengxiuqing@tyut.edu.cn
更新日期/Last Update: 1900-01-01