Arching effect and displacement on theoretical estimation for lateral force acting on retaining wall

Junfeng Jiang, Qihua Zhao (), Shuairun Zhu, Sheqin Peng and Yonghong Wu
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Junfeng Jiang: Chengdu University of Technology
Qihua Zhao: Chengdu University of Technology
Shuairun Zhu: Chengdu University of Technology
Sheqin Peng: Chengdu University of Technology
Yonghong Wu: Kunming University of Science and Technology

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2021, vol. 108, issue 3, No 28, 3019 pages

Abstract: Abstract A new approach is proposed to evaluate the non-limit active earth pressure in c–φ soil based on the horizontal slices method and limit equilibrium method, which takes into account arching effect, displacement, mobilized friction angle, tension cracks, and shear stress of the horizontal layer. The accuracy of the proposed method was demonstrated by comparing the experimental results and other theoretical methods. The comparison results showed that the proposed approach was appropriate for calculating the non-limit active earth pressure in c–φ soil and cohesionless soil. A parametric study was undertaken to access the effects of cohesion, mobilized friction angle, and shear stress of the horizontal layer for the lateral earth pressure, as well as the effects of displacement for the rupture angle and tension cracks. Moreover, by comparing calculated results of the different theoretical methods and numerical model, it indicated that the empirical formulations of the mobilized internal friction angle and soil–wall interface friction angle used to cohesionless soil were still suitable for c–φ soil.

Keywords: Arching effect; Cohesive-frictional soil; Displacement; Intermediate active state; Numerical model (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11069-021-04810-w

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