Inclined Layer Method-Based Theoretical Calculation of Active Earth Pressure of a Finite-Width Soil for a Rotating-Base Retaining Wall

Zeyue Wang, Xinxi Liu, Weiwei Wang (), Ziyu Tao and Song Li
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Zeyue Wang: School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Xinxi Liu: School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Weiwei Wang: School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Ziyu Tao: School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China
Song Li: School of Civil Engineering, Changsha University of Science & Technology, Changsha 410114, China

Sustainability, 2022, vol. 14, issue 15, 1-25

Abstract: In this study, we evaluated the active earth pressure on a retaining wall with a narrow cohesive fill under the rotation about the base mode. Under these conditions, Rankine’s and Coulomb’s earth pressure theories are not strictly effective. To improve the traditional earth pressure calculation methods (Rankine and Coulomb methods) and deduce the active earth pressure under the rotation about the base mode, here, we propose a new calculation method that incorporates the effects of wall displacement, soil arching and soil cohesion using inclined thin-layer elements. The calculation results are in good agreement with the model test data. Based on the parameter analysis, a critical aspect ratio of B/H = cot β is determined along with a detailed elucidation of the various influencing factors (such as aspect ratio, cohesion and friction angle). The paper presents several solutions to improve the stability and lower the costs of retaining walls.

Keywords: narrow cohesive fill; rotation about the base; active earth pressure; inclined thin-layer element; soil arching effect (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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