Dispersion effect of velocities on the evaluation of material elasticity

Journal of Mining Science (Impact Factor: 0.24). 07/2009; 45(4):347-354. DOI: 10.1007/s10913-009-0043-4


The author employs the Kjartansson absorption model to prove that intrinsic dispersion of seismic wave velocities in absorbing
media is a basic factor responsible for the differences between elastic rock parameters measured dynamically and statically.
Dispersion of Young’s modulus predicted by this model for a frequency range from millihertz to tens of kilohertz matches well
the experimental data obtained for polyvinyl chloride plastic used as a test material in the study case.

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