Abstract
This investigation presents the variation in modulus of elasticity and modulus of subgrade reaction of dry sand with respect to change in relative density of sand. The sand was collected from Orsang River and Narmada River (Poicha). The effect of the relative density of sands on both elastic properties was carried out at 40%, 60% and 80% relative density. Modulus of subgrade reaction was obtained by performing model plate load test and modulus of elasticity using simple triaxial test. Correlations between modulus of elasticity and modulus of subgrade reaction developed by various investigators were found from the literature review, and it was observed that the pattern of changing of modulus of subgrade reaction with respect to change in the relative density of sand obtained in the present study was nearer to correlation developed by Vesic and Selvadurai. It was also observed that as relative density of sand increased the modulus of elasticity and modulus of subgrade reaction were also increased.
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