|本期目录/Table of Contents|

[1]王加闯,黄明健,过江.基于CRITIC-有限区间云模型的边坡稳定性评价[J].中国安全生产科学技术,2019,15(6):113-119.[doi:10.11731/j.issn.1673-193x.2019.06.018]
 WANG Jiachuang,HUANG Mingjian,GUO Jiang.Evaluation of slope stability based on CRITICfinite interval cloud model[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(6):113-119.[doi:10.11731/j.issn.1673-193x.2019.06.018]
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基于CRITIC-有限区间云模型的边坡稳定性评价
分享到:

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年6期
页码:
113-119
栏目:
职业安全卫生管理与技术
出版日期:
2019-06-30

文章信息/Info

Title:
Evaluation of slope stability based on CRITICfinite interval cloud model
文章编号:
1673-193X(2019)-06-0113-07
作者:
王加闯1黄明健12过江1
(1.中南大学 资源与安全工程学院,湖南 长沙 410083;
2. 湖南涟邵建工(集团)有限责任公司,湖南 长沙 410011)
Author(s):
WANG Jiachuang1 HUANG Mingjian12 GUO Jiang1
(1. School of Resources & Safety Engineering, Central University, Changsha Hunan 410083, China;
2. Hunan Lian Shao Construction Engineering (Group) Co., Ltd., Changsha Hunan 410011, China)
关键词:
边坡CRITIC有限区间云模型权重综合确定度
Keywords:
slope CRITIC finite interval cloud model weight comprehensive certainty degree
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2019.06.018
文献标志码:
A
摘要:
针对岩质边坡危险性分级的不确定性,选取坡高、坡角岩体结构特征、岩石单轴抗压强度等12项定量评价指标构建评价体系。根据有限区间云模型的相关概念和计算模型,求出露天采场边坡实测数据的云模型特征参数,利用正向云发生器生成云滴图进行量性概念的转化,通过改进的CRITIC法确定指标权重,进而求出不同采场隶属于不同危险等级的综合隶属度,实现边坡稳定性等级的划分。研究结果表明:评价结果与实际相符,利用CRITIC算法求取的权重值,可以考虑各评价指标的综合信息量以及指标间的相关性系数,使评判结果更具有准确性;同时可以快速准确判断出边坡稳定性分级,进行安全预测,为评价边坡的稳定性提供了新思路。
Abstract:
Aiming at the uncertainty of risk classification on rock slope, an evaluation system was constructed through selecting 12 quantitative evaluation indexes such as slope height, structure characteristics of slope angle rock, rock uniaxial compressive strength, etc. According to the relevant concepts and calculation models of finite interval cloud model, the characteristic parameters of cloud model based on the measured data of openpit stope slope were obtained. The conversion of quantitative concepts was carried out by the cloud droplet graph generated using the normal cloud generator, and the index weights were determined through the improved CRITIC method, thus the comprehensive membership degree of different stopes attaching to different risk levels were calculated, so as to realize the division of slope stability levels. The results showed that the evaluation results were consistent with the actual situation. The weight values obtained by CRITIC algorithm can consider the comprehensive information amount of each evaluation index and the correlation coefficient between the indexes, which makes the judgment results more accurate, meanwhile, the slope stability classification can be judged quickly and accurately to conduct the safety prediction, which provides new ideas for evaluating the stability of slopes.

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备注/Memo

备注/Memo:
收稿日期: 2019-04-19
* 基金项目: 国家自然科学基金项目(51774321)
作者简介: 王加闯,硕士研究生,主要研究方向为安全技术与工程、安全评价。
通信作者: 过江,博士,副教授,主要研究方向为采矿与充填技术。
更新日期/Last Update: 2019-07-09