FLAC3D在建筑边坡稳定性分析中的应用  

Application of FLAC3D in the Stability Analysis of Building Slopes

作　　者：周斌[1] 张超[1] 邵迟 张云飞 ZHOU Bin;ZHANG Chao;SHAO Chi;ZHANG Yunfei(College of Civil Engineering,Hunan University of Technology,Zhuzhou Hunan 412007,China)

机构地区：[1]湖南工业大学土木工程学院,湖南株洲412007

出　　处：《湖南工业大学学报》2018年第2期13-18,共6页Journal of Hunan University of Technology

摘　　要：基于有限差分法的FLAC3D软件并以刘屋山后山边坡为例,建立边坡三维数值模型;采用Mohr-Coulomb准则同时结合抗剪强度折减理论,进行了边坡稳定性分析,模拟边坡应力状态,找出边坡失稳的机理与破坏形态,分析边坡失稳的主要影响因素,求出边坡的安全系数。研究结果与极限平衡法得到的结果基本一致,这表明采用基于有限差分法的FLAC3D软件进行边坡安全系数求解是合理可行的。将数值模拟结果与现场实地考察结果相结合,提出了合理有效的边坡加固措施。With the mountains behind the Liu’s as the object of study,and by utilizing FLAC3D software based on finite difference method,a three-dimensional numerical model of the slopes has thus been established.By adopting the Mohr-Coulomb criterion as well as the shear strength reduction theory,a stability analysis has been carried out to simulate the stress state of the slopes and find out the mechanism of the slope instability and failure patterns,followed by an analysis of the major affecting factors of the slope instability,thus obtaining the safety factor of the slopes.With the results of the numerical simulation combined with the field investigation results,some reasonable and effective measures for the slope reinforcement has thus been put forward.

关 键 词：FLAC3D软件 边坡稳定性 安全系数 数值分析 

分 类 号：TU432[建筑科学—岩土工程]