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http://dx.doi.org/10.5762/KAIS.2014.15.10.6322

Numerical Analysis of Load Bearing Behavior of Shallow Foundations  

Lee, Seung-Hyun (Department of Civil Engineering, Sunmoon University)
Lee, Su-Hyung (Korea Railroad Research Institute, Metropolitan Transportation Research Center)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.10, 2014 , pp. 6322-6328 More about this Journal
Abstract
Finite element analyses were performed to find out the load bearing behavior of three kinds of shallow foundations. The analysis results for strip footing showed that local shear failure mode could be observed for a zero dilatancy angle and general shear failure mode could be seen for non-zero dilatancy angles. The ultimate bearing loads for non-zero dilatancy angles were approximately 1.5 times higher than that of a zero dilatancy angle. General shear failure mode was observed for circular footing and square footing regardless of the dilatancy angle. The ultimate bearing loads for a non-zero dilatancy angle were slightly greater than that for a zero dilatancy angle. A comparison of the load-settlement curves for three kinds of footing showed that the load bearing capacities for non-zero dilatancy angle were greater than those for a zero-dilatancy angle.
Keywords
Finite element analysis; Load bearing behavior; Failure mode; Dilatancy angle; Ultimate bearing load;
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