A Closed-Form Solution for the Limit Pressure of Cylindrical Cavity Expansion in Anisotropic Clay


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A closed-form solution for the limit pressure of undrained cylindrical cavity expansion in anisotropic clay is provided. The solution considers the effect of anisotropic strength and initial in-situ stress. The cavity-wall limit pressure under an isotropic initial stress (K = 1) was larger than the anisotropic initial stress (K ≠ 1) and holds true for all anisotropic strength ratios. The cavity-wall limit pressure increased linearly with increasing anisotropic strength ratio. The cavity-wall limit pressure was a minimum for a polar angle θ = π/2.

作者简介

H. Zhou

College of Civil Engineering, Chongqing University

Email: smfe@mail.ru
中国, Chongqing

H. Liu

College of Civil Engineering, Chongqing University

Email: smfe@mail.ru
中国, Chongqing

G. Kong

College of Civil Engineering, Chongqing University

Email: smfe@mail.ru
中国, Chongqing

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