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The paper presents results on dynamic soil properties from laboratory testing by using resonant-column apparatus. It is used to measure the properties in low strain range. The resonant column testing is based on the determination of the resonant frequency of a soil specimen by measuring the specimen response at different excitation frequencies.The dynamic soil properties such as shear modulus, elastic modulus, Poisson’s ratio and damping ratios are presented discussed and compared. The various soil parameters such as relative density, confining pressures are considered. Also the effect of saturation on above properties (shear modulus, elastic modulus, Poisson’s ratio, and damping ratio) is examined. From this the results of dry and saturated samples are compared. The tests are conducted at confining pressures (50 kPa) and relative densitiy (30 %). From this the results of dry and saturated samples are compared.

Effect of Saturation on Dynamic Soil Properties in Low Strain Range Using Resonant Column Apparatus