Study on Influence of Poisson’s Ratio on Bearing Capacity of Subsoil

Ling Mei; Ai Zhao Zhou; Peng Ming Jiang

doi:10.4028/www.scientific.net/AMM.193-194.748

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 193-194Study on Influence of Poisson’s Ratio on Bearing...

Study on Influence of Poisson’s Ratio on Bearing Capacity of Subsoil

Abstract:

The formulas of critical edge pressure and critical load are usually developed by assuming Poisson’s ratio equal to 0.5. It means that the soil be in a triaxial equi-compression state. This assumption increases the lateral load of subsoil, and makes the subsoil be in intensive state, and results in a higher bearing capacity of subsoil. In the paper, a MATLAB program is used to find the numerical solution of bearing capacity of soil with different Poisson’s ratio. This method corrects some calculating mistakes when proposes calculation formulas of subsoil bearing capacity which obtains Poisson’s ratio unequal to 0.5. And it compensates the limitation of some other calculation formulas. The influence of shear strength parameters of subsoil on critical load is analyzed.

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Periodical:

Applied Mechanics and Materials (Volumes 193-194)

Pages:

748-752

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.193-194.748

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Online since:

August 2012

Authors:

Ling Mei, Ai Zhao Zhou, Peng Ming Jiang

Keywords:

Critical Edge Pressure, Critical Load, Numerical Analysis, Poisson's Ratio

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