The most reliable methods to determine the shear modulus of soil are those conducted in the field. This is because laboratory soil testing of undisturbed soil samples is often subjected to errors due to sample disturbance. Even if the disturbance is minor in advanced technique of sampling, time and expense may be substantial.
KeywordsRayleigh Wave Soft Soil Seismic Refraction Seismic Microzonation Tonankai Earthquake
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