Rectangular Footing on Nonhomogeneous Elastic Half Spaceby John P. Dempsey, Clarkson Univ, United States,
Hui Li, Clarkson Univ, United States,
Document Type: Proceeding Paper
Part of: Foundation Engineering: Current Principles and Practices
The problem of a rectangular footing or a strip footing on a nonhomogeneous elastic half space is studied in this paper. The medium is assumed to be isotropic with a variable shear modulus G(z) = G0 + mz and a constant Poisson's ratio equal to 1/3. An important feature of this model is that either the Winkler foundation or the elastic homogeneous half space can be made special cases by letting G0 or m equal zero, respectively. In order to investigate the necessary conditions for a footing to be considered rigid, both rigid and flexible footings have been studied. Numerical results are presented to illustrate the effects of various parameters over the contact pressure and deflection.
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