基于模糊综合评判的公路岩质边坡稳定性分级研究

›› 2010, Vol. 31 ›› Issue (10): 3151-3156.

基于模糊综合评判的公路岩质边坡稳定性分级研究

张勇慧¹，李红旭¹，盛谦¹，李志勇²，岳志平²

1.中国科学院武汉岩土力学研究所岩石力学与工程国家重点实验室，武汉 430071；2.湖南省交通科学研究院，长沙 410015

收稿日期:2009-12-31 出版日期:2010-10-10 发布日期:2010-10-14
作者简介:张勇慧，男，1969年生，博士，副研究员，主要从事岩土工程与地质灾害方面的研究。
基金资助:
国家863计划专题课题（No. 2007AA11Z121）；交通部科技项目（No. 200831878542）；岩土力学与工程国家重点实验室开放课题（No. Z000705）。

Study of stability gradation of highway rock slopes based on fuzzy comprehensive evaluation

ZHANG Yong-hui¹, LI Hong-xu¹, SHENG Qian¹, LI Zhi-yong2, YUE Zhi-ping²

1. State Key Laboratory of Geomechanics and Geotechanical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. Hunan Communications Scientific Academy, Changsha 410015, China

Received:2009-12-31 Online:2010-10-10 Published:2010-10-14

摘要/Abstract

摘要：

公路岩质边坡具有点多线长、规模小的特点，缺乏详细的岩体力学参数，现有岩体分级系统难以应用。根据公路岩质边坡的特点，考虑建模过程的系统全面性、简明科学性、相对独立性及灵活可操作性，选取合理的边坡稳定性评价指标，建立了边坡稳定性的两层综合评价体系，运用层次分析法确定了评价指标的权重矩阵，采用模糊综合评判方法建立了公路岩质边坡的稳定性分级模型。运用该模型对湖南省常德－吉首高速公路路段内142个岩质边坡稳定性进行了模糊综合评判分级，结果表明，该方法是合理实用的，可供同类工程借鉴。

关键词: 公路工程, 岩质边坡, 模糊综合评判, 稳定性分级

Abstract:

Highway rock slopes have the characteristics including spot distribution along the road, long interval, small scale and large quantity, little statistics and easy to be influenced by engineering and environment, lack of detailed rock mechanical parameters; and it is difficult to apply the current evaluation system. Based on the characteristics of highway rock slope, considering the systematicness and comprehensiveness, conciseness and scientificity, independence and operability, a reasonable slope stability evaluation index system has been set up; and the stability gradation model for highway rock slopes has been established by using the fuzzy comprehensive evaluation. This model has been applied to Changde-Jishou Highway in Hunan province to analyze the stability of 142 high rock slopes; and the results are reasonable and confirm to reality. Practical so as to provide for reference to other similar projects.

Key words: highway engineering, rock slope, fuzzy comprehensive evaluation, stability gradation

中图分类号:

TU 45

张勇慧，李红旭，盛谦，李志勇，岳志平. 基于模糊综合评判的公路岩质边坡稳定性分级研究[J]. , 2010, 31(10): 3151-3156.

ZHANG Yong-hui, LI Hong-xu, SHENG Qian, LI Zhi-yong, YUE Zhi-ping. Study of stability gradation of highway rock slopes based on fuzzy comprehensive evaluation[J]. , 2010, 31(10): 3151-3156.

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