长江科学院院报2019，Vol.36Issue(1)：78-83,6.DOI:10.11988/ckyyb.20170823
基于节理网络有限元的岩质边坡稳定性分析
Stability Analysis of Rock Slope Based on Finite Elements with Joint Network
摘要
Abstract
Traditional numerical analysis could not reflect the intermittent and random discontinuities in rock slope because the slopes are generalized into continuous homogeneous body or discrete rigid units, of which the former neglects the impact of discontinuities while the latter exaggerates the control effect of discontinuities. Finite element simulation with joint network could overcome the limits by giving more reliable results such as slope stress, dis-placement, plastic zone, stability coefficient, as well as the evolution and range of deformation failure. In this pa-per, the basic principle and method of finite element simulation with joint network are introduced, and its applica-tion to a granite slope is expounded. Result suggests that the studied slope is stable in general, with the stability co-efficient under natural condition and seismic condition reaching 1. 57 and 1. 46, respectively. Strongly-weathered loose rockmass with surface joints is of low stability. Practices show that the method provides a new idea and method for the study of rock slope stability.关键词
节理网络/有限元/旱寒地区/花岗岩边坡/稳定性分析Key words
joint network/finite element/frigid and arid region/granite slope/stability analysis分类
天文与地球科学引用本文复制引用
李源亮,任光明,刘艳领,范荣全,肖红..基于节理网络有限元的岩质边坡稳定性分析[J].长江科学院院报,2019,36(1):78-83,6.基金项目
国家自然科学基金项目(41702288) （41702288）
福建省自然科学基金项目(2018J01635) （2018J01635）
福建省教育厅中青年教师教育科研项目(JAT170173) （JAT170173）
