工程地质学报2016，Vol.24Issue(1)：10-18,9.DOI:10.13544/j.cnki.jeg.2016.01.002
极限平衡理论下边坡强度参数反演及加固稳定性分析
INVERSION OF STRENGTH PARAMETERS AND STABILITY ANALYSIS OF REINFORCED SLOPE WITH LIMIT EQUILIBRIUM THEORY
摘要
Abstract
Parameter inversion is an effective way to obtain more reliable strength parameters of slope.In the article,after discriminating the position of the critical slip surface,the explicit formulas for inversion of strength parameters are deduced by the established relation between strength parameters and one to one relationship among strength parameters,and the critical slip surface.The classical Swedish slice method is used for calculating the factor of safety.Then,the inversion results are used to study the stability of slope reinforced by anchorage cable. Through analyzing actual case,the feasibility and practicability of the current method are verified.Some conclusion are obtained as follows:(1)Pre-stress cable has an effective reinforcement on slope.Its role on slope stability is more effective when the position of pre-stress cable on slope surface is more near to the lower sliding point of the slip surface;(2)The calculated factor of safety is larger as the pre-stress of cable is larger.Increase of horizontal inclination of anchorage cable has small effect on the calculated factor of safety.关键词
边坡稳定性/极限平衡/临界滑动面/强度参数/反演/锚索Key words
Slope stability/Limit equilibrium/Critical slip surface/Strength parameters/Inversion/Anchorage cable分类
建筑与水利引用本文复制引用
邓东平,李亮..极限平衡理论下边坡强度参数反演及加固稳定性分析[J].工程地质学报,2016,24(1):10-18,9.基金项目
贵州省交通运输厅科技项目(2010-122-020,2014-122-006)资助. （2010-122-020,2014-122-006）
