Enhancing Stability of Earth Retaining Structure with Vertical Plate Anchors

被引:1
|
作者
Chauhan, Vinay Bhushan [1 ]
Keawsawasvong, Suraparb [2 ]
Lai, Van Qui [3 ,4 ]
Jaiswal, Sagar [1 ,5 ]
机构
[1] Madan Mohan Malaviya Univ Technol, Civil Engn Dept, Gorakhpur 273010, India
[2] Thammasat Univ, Thammasat Sch Engn, Dept Civil Engn, Pathum Thani 12120, Thailand
[3] Ho Chi Minh City Univ Technol HCMUT, Fac Civil Engn, 268 Ly Thuong Kiet St,Dist 10, Ho Chi Minh City, Vietnam
[4] Vietnam Natl Univ Ho Chi Minh City VNU HCM, Linh Trung Ward, Ho Chi Minh City, Vietnam
[5] Indian Inst Technol Roorkee, Civil Engn Dept, Roorkee 247667, Uttaranchal, India
关键词
Finite element method; Non-linear regression analysis; Retrofitting; Retaining wall; Surcharge load; Vertical plate anchor; PERFORMANCE; WALLS;
D O I
10.1007/s40515-023-00301-6
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study uses finite element simulation to assess the potential effectiveness of a vertical plate anchor in improving the stability of the retaining wall against surcharge loading on the backfill surface. The current investigation utilized shear strength reduction analysis and limit analysis methods to determine the factor of safety (FOS) and the surcharge carrying capacity of the wall, respectively. According to the findings of the present study, the use of a vertical plate anchor can significantly decrease the required cross-sectional dimensions of a retaining wall by as much as 68%. This reduction in necessary material can be observed when the normalized depth of the bottom of the vertical plate, h/H = 0.45, and the normalized length of the tie-rod from the wall stem, L/H = 1. The assessment of potential failure patterns of the backfill soil indicates the generation of two distinct failure planes and a reduction in failure plane inclination from horizontal. A design equation for the FOS and the ratio of surcharge carrying capacity is developed using non-linear regression. The accuracy of the equation is confirmed by a coefficient of determination of 0.996 and 0.997, respectively, for the FOS and the ratio of surcharge carrying capacity.
引用
收藏
页码:711 / 725
页数:15
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