Bearing capacity computation for a ring foundation using the stress characteristics method |
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| Institution: | 1. School of Engineering, Persian Gulf University, Bushehr, Iran;2. Civil Engineering Department, Indian Institute of Science, Bangalore 560012, India;1. Chair of Soil Mechanics, Foundation Engineering and Environmental Geotechnics, Ruhr-Universität Bochum, Germany;2. Institute of Soil Mechanics, Foundation Engineering and Computational Geotechnics, Graz University of Technology, Austria |
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| Abstract: | The stress characteristics method (SCM) has been used to compute the bearing capacity of smooth and rough ring foundations. Two different failure mechanisms for a smooth footing, and four different mechanisms for a rough footing have been considered. For a rough base, a curvilinear non-plastic wedge has been employed below the footing. The analysis incorporates the stress singularities at the inner as well as outer edges of the ring footing. Bearing capacity factors, Nc, Nq and Nγ are presented as a function of soil internal friction angle (?) and the ratio (ri/ro) of inner to outer radii of the footing. |
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| Keywords: | Bearing capacity Failure Ring foundations Numerical modelling Method of stress characteristics |
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