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Numerical Evaluation of Utilizing Sand Cushion to Reduce the Swelling Potential of Unsaturated Soils
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Volume Title: ICASGE2015
DOI: ICASGE-GEO
Authors
Abstract
This paper aims to study the effect of utilizing sand cushion as a replacement soil
under foundations rested on swelling clay. Dry and wetting conditions have been
considered in the analysis and discussion. The effect of sand cushion has been studied under both center and edge of footing. The study extended to investigate the effect of breadth of footing on the optimum thickness of sand cushion. The results showed a considerable conclusion regarding the evaluation of sand cushion thickness for ranges of light, medium and heavy loading conditions.
under foundations rested on swelling clay. Dry and wetting conditions have been
considered in the analysis and discussion. The effect of sand cushion has been studied under both center and edge of footing. The study extended to investigate the effect of breadth of footing on the optimum thickness of sand cushion. The results showed a considerable conclusion regarding the evaluation of sand cushion thickness for ranges of light, medium and heavy loading conditions.
Keywords