Kumar, Jyant and Khatri, Vishwas N (2011) Bearing capacity factors of circular foundations for a general c-phi soil using lower bound finite elements limit analysis. In: International Journal for Numerical and Analytical Methods in Geomechanics, 35 (3). pp. 393-405.
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By using the lower bound limit analysis in conjunction with finite elements and linear programming, the bearing capacity factors due to cohesion, surcharge and unit weight, respectively, have been computed for a circular footing with different values of phi. The recent axisymmetric formulation proposed by the authors under phi = 0 condition, which is based on the concept that the magnitude of the hoop stress (sigma(theta)) remains closer to the least compressive normal stress (sigma(3)), is extended for a general c-phi soil. The computational results are found to compare quite well with the available numerical results from literature. It is expected that the study will be useful for solving various axisymmetric geotechnical stability problems. Copyright (C) 2010 John Wiley & Sons, Ltd.
| Item Type: | Journal Article |
|---|---|
| Publication: | International Journal for Numerical and Analytical Methods in Geomechanics |
| Publisher: | John Wiley and Sons |
| Additional Information: | Copyright of this article belongs to John Wiley and Sons. |
| Keywords: | axisymmetric;bearing capacity;limit analysis;optimization; plasticity |
| Department/Centre: | Division of Mechanical Sciences > Civil Engineering |
| Date Deposited: | 07 Apr 2011 09:37 |
| Last Modified: | 07 Apr 2011 09:37 |
| URI: | http://eprints.iisc.ac.in/id/eprint/36028 |
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