IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleSeismic stability of L-shape retaining walls and determination method of sliding surface
张晓曦1,2; 何思明3; 樊晓一1,2
Source Publication岩土力学
Contribution Rank3
Other AbstractIn this study, two seismic failure mechanisms of L-shape retaining walls (i.e., long heel failure and short heel failure) were presented, and the failure mechanisms were influenced by geometric parameters and physico-mechanical parameters. The seismic stability of L-shape retaining walls and the determination method of sliding surface were investigated in this paper, and the critical condition of two failure mechanisms was defined. Based on the kinematical approach of upper bound theorem, the critical state equation of L-shape retaining wall was established, taking account of the occurrence of the second and third sliding surfaces condition. Then the multivariate function to calculate seismic acceleration coefficient was derived and optimized by extremum principle, so as to obtain the critical yield acceleration factor and the inclination of sliding surface. A case study and comparative analysis showed that the critical yield acceleration factor was smaller than that derived from the M-O method. When the heel of L-shape retaining wall was long enough, the angle between two sliding surfaces equaled to 90°-phi. It means that the result of using this method is the same as the result of slip-line field theory. When the heel of L-shape retaining wall was short, the angle between sliding surfaces was approximately 90°-phi.
KeywordL型挡土墙 临界屈服加速度系数 第二、第三滑裂面 上限定理
Indexed ByEI ; CSCD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author张晓曦
Recommended Citation
GB/T 7714
张晓曦,何思明,樊晓一. L型挡土墙滑裂面确定方法与地震稳定性分析[J]. 岩土力学,2019,40(10):4011-4020.
APA 张晓曦,何思明,&樊晓一.(2019).L型挡土墙滑裂面确定方法与地震稳定性分析.岩土力学,40(10),4011-4020.
MLA 张晓曦,et al."L型挡土墙滑裂面确定方法与地震稳定性分析".岩土力学 40.10(2019):4011-4020.
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