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Upper Bound Limit Analysis of Anisotropic Soils

Chunguang Li1, *, Cuihua Li2, Cong Sun3

1 State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China.
2 School of Urban Construction, Wuchang University of Technology, Wuhan, 430223, China.
3 Wuhan Municipal Construction Group Co., Ltd., Wuhan, 430023, China.

* Corresponding Author: Chunguang Li. Email: email.

Computers, Materials & Continua 2020, 65(3), 2607-2621. https://doi.org/10.32604/cmc.2020.04662

Abstract

In this paper, a novel discretization method in σ-τ space is developed to calculate the upper bound limit loads and failure modes of anisotropic Mohr-Coulomb materials. To achieve this objective, the Mohr-Coulomb yield criterion is linearized in σ-τ space, which allows for upper bound solution of soils whose cohesion and friction coefficient varying with direction. The finite element upper limit analysis formulation using the modified anisotropic yield criterion is then developed. Several examples are given to illustrate the capability and effectiveness of the proposed numerical procedure for computing rigorous upper bounds for anisotropic soils.

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Cite This Article

C. Li, C. Li and C. Sun, "Upper bound limit analysis of anisotropic soils," Computers, Materials & Continua, vol. 65, no.3, pp. 2607–2621, 2020.

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cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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