水文地质工程地质2018,Vol.45Issue(2):131-135,149,6.DOI:10.16030/j.cnki.issn.1000-3665.2018.02.20
考虑降雨类型的基岩型浅层边坡稳定性分析方法
Stability analysis methods for the bedrock shallow slope considering rainfall types
摘要
Abstract
The rainfall is a main factor causing shallow slope landslides.Most of the methods for analyzing the bedrock shallow slope stability are based on the assumption of constant rainfall,ignoring the influence of rainfall intensity changes on the slope stability.The theory for analyzing the stability of bedrock shallow slopes under rainfall action is still not perfect.In this paper,the conventional types of rainfall intensity-time type are established.Types of uniform rainfall,incremental rainfall,decreasing rainfall and peak rainfall are unified by controlling the parameters.Based on the seepage theory and the infinite slope models,a method for analyzing the stability of bedrock shallow slopes considering the rainfall characteristics is proposed in this paper.A MATLAB program is used to calculate the slope stability.The results show that the rainfall types have a great influence on the stability of bedrock shallow slopes and the influence is time-dependent.The influence of rainfall characteristics on the slope stability should be considered in the practical engineering.关键词
基岩型浅层边坡/降雨类型/稳定性分析/入渗理论/无限边坡模型Key words
bedrock shallow slope/rainfall type/stability analysis/seepage theory/infinite slope model分类
天文与地球科学引用本文复制引用
李绍红,朱建东,王少阳,吴礼舟..考虑降雨类型的基岩型浅层边坡稳定性分析方法[J].水文地质工程地质,2018,45(2):131-135,149,6.基金项目
四川省青年科技创新研究团队(2015TD0030) (2015TD0030)
国家基础研究计划(973计划)项目(2013CB733202) (973计划)
国家自然科学基金面上项目(41672282) (41672282)