摘要
强度折减法作为求解边坡稳定安全系数的一种方法,在采用数值模拟法研究边坡失稳破坏中有着不可或缺的地位.为了总结分析强度折减法的研究成果和不足之处,提出进一步的改进方向,本文从折减方式优化、失稳判据研究和屈服准则应用这三方面出发,回顾了一些学者在强度折减法上所做的研究,主要包括以下几点:综述了双强度折减法、多参数折减法的研究现状;评述了多种失稳判据的研究成果和不同种失稳判据间的关系;论述了强度折减法在广义米塞斯准则和霍克布朗准则中的应用;分析了强度折减法研究中存在的问题;最后提出了需进一步研究的方向.
As a method of calculating the safety factor of slope,the strength reduction method plays an indispensable role in the study of slope instability and failure by numerical simulation.In order to summarize and analyze the research results and weaknesses of strength reduction method and put forward further improvement directions,this paper reviews the research on strength reduction method by some scholars from three aspects:optimization of reduction method,study of failure criterion and application of yield criterion.The paper summarizes the research status of double strength reduction method and multi-parameter reduction method,reviews the research results of various failure criteria and the relationship between different failure criteria,and discusses the application of strength reduction method in von Mises criterion and Hoke-brown criterion,and analyses the existing problems.Finally,some ideas are presented for the future development of this analysis method.
作者
吴振波
胡云进
杨欢
WU Zhenbo;HU Yunjin;YANG Huan(Key Laboratory of Rock Mechanics and Geohazards of Zhejiang Province,Shaoxing,Zhejiang 312000;School of Civil Engineering,Shaoxing University,Shaoxing,Zhejiang 312000;Zhejiang Collaborative InnovationCenter for Prevention and Control of Mountain Geologic Hazards,Shaoxing,Zhejiang 312000)
出处
《绍兴文理学院学报》
2019年第9期28-37,F0002,共11页
Journal of Shaoxing University
基金
国家自然科学基金资助项目“地表入渗诱发岩坡滑坡的数值模拟与本构关系试验研究”(41977256)
浙江省自然科学基金资助项目“湿地地表水流与海绵层地下水流耦合机理与数值模拟”(LY18E090004)
关键词
强度折减法
边坡稳定性
研究进展
失稳判据
strength reduction method
slope stability
research progress
failure criterion
