Article

Dispersion effect of velocities on the evaluation of material elasticity

Journal of Mining Science (impact factor: 0.19). 04/2012; 45(4):347-354. DOI:10.1007/s10913-009-0043-4 pp.347-354

ABSTRACT 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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Keywords

differences
 
Dispersion
 
experimental data
 
frequency range
 
intrinsic dispersion
 
kilohertz matches
 
Kjartansson absorption model
 
millihertz
 
seismic wave velocities
 
test material
 

Yu. I. Kolesnikov