IMHE OpenIR  > 山地灾害与地表过程重点实验室
Alternative TitleComputation of Sliding Displacements of Reinforced Soil Wall by Pseudo-dynamic Method
袁卓亚1; 王卫山2; 上官甦3; 宋彬4; 王娟5; 何思明5,6
Corresponding Author何思明
Source Publication灾害学
Other Abstract



Reinforced soil wall has super aseismic performance,which is widely used in slope reinforcement engineer of the seismic zones,but the mechanical behavior under the earthquake loads haven't a fully understanding. The traditional pseudo static method and factor of safety control design method can't consider the time history character of seismic acceleration,and it is inconsistent to the real seismic action. In this study,based on the kinematic theorem of limit analysis the seismic,combined with the Newmark theory,using the pseudo-dynamic method to consider the time history character of seismic acceleration,the expressions of the yield acceleration and the permanent displacement of reinforced soil wall is derived. We then analyze the dynamic response of the reinforced soil wall. At last,a case is used to illustrate the method. The critical seismic yield acceleration coefficient and the seismic permanent displacement of reinforced soil wall under seismic loading are calculated. Meanwhile,the effect of the horizontal seismic acceleration and vertical acceleration effect on the stability of the slope with reinforced soil wall is analyzed. The comparison is made with the pseudo-static method. The results has shown that the pseudostatic method may give a conservative design for reinforced soil wall,it may cause unnecessary waste and not economically.

Keyword地震 加筋土挡墙 拟动力法 屈服加速度 永久位移
Subject AreaTu476.4
Indexed ByCSCD
Funding OrganizationNSFC-ICIMOD国际合作基金(41661144041) ; 交通运输部科技项目(2014364J03090)
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
袁卓亚,王卫山,上官甦,等. 加筋土挡墙屈服加速度与永久位移特性的拟动力法研究[J]. 灾害学,2017,32(2):18-25.
APA 袁卓亚,王卫山,上官甦,宋彬,王娟,&何思明.(2017).加筋土挡墙屈服加速度与永久位移特性的拟动力法研究.灾害学,32(2),18-25.
MLA 袁卓亚,et al."加筋土挡墙屈服加速度与永久位移特性的拟动力法研究".灾害学 32.2(2017):18-25.
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