Soil
Young's Modulus and damping ratio, axial strain
The modulus and damping of a given soil, as measured by the resonant-column technique herein described, depend upon the strain amplitude of vibration, the ambient state of effective stress, and the void ratio of the soil, temperature, time, etc. Since the application and control of the ambient stresses and the void ratio are not prescribed in these methods, the applicability of the results to field conditions will depend on the degree to which the application and control of the ambient stresses and the void ratio, as well as other parameters such as soil structure, duplicate field conditions. The techniques used to simulate field conditions depend on many factors and it is up to the engineer to decide on which techniques apply to a given situation and soil type.
1
1.3 in diameter minimum with a height-to-diameter ratio of between 2 and 7. The largest particle shall be smaller than 1/10 the specimen diameter, with some exceptions (refer to specification).
amplitude, confining pressure, damping. dynamic loading, elastic waves, elasticity modulus, frequency, resonance, shear tests, torsional oscillations, triaxial stress, vertical oscillations, vibrations, Young's modulus, dynamic, torsional shear
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