Safety Factor Calculation Method of Anchored Slope Based on Pseudo Cohesion Theory

被引：0
作者：
Shi, Chong [1 ]
Zhang, Yulong [2 ]
Zhang, Qiang [2 ]
Wang, Haili [2 ]
Wang, Shengnian [2 ]
机构：
[1] Hohai Univ, Key Lab Geomech & Embankment, Nanjing 210098, Jiangsu, Peoples R China
[2] Hohai Univ, Inst Geotech Res, Nanjing 210098, Jiangsu, Peoples R China
来源：
PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷
基金：
中国国家自然科学基金;
关键词：
anchored slope; the pseudo cohesion theory; safety factor; grid control;
D O I：
10.4028/www.scientific.net/AMM.170-173.453
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The stability of slope is closely related to stress-state. Assumptions about stress-state in the rigid body limit equilibrium method are not satisfied with the demands of deformation compatibility principle. So the stability analysis method compatible with slope stress and anchorage system should be established for anchored slope. The pseudo cohesion concept theory is used to analyze the improvement of stress-state due to anchoring measures, and the stability safety factor of anchored slope by sliding surfaces searching method is obtained, in which grid control is used and embedded in FLAC3D. The result shows that the safety factor with the pseudo cohesion theory is 1.43 while the strength reduction method is 1.41. The similar results for them show the validity of proposed method. What's more, the suggested method has an advantage of short time consuming.
引用
收藏
页码：453 / +
页数：2
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