Differences between static and dynamic elastic moduli of a typical seismogenic rock

Details Differences between static and dynamic elastic moduli of a typical seismogenic rock Differences between static and dynamic elastic moduli of a typical seismogenic rock

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004geoji.157..474c&link_type=abstract

Geophysical Journal International, Volume 157, Issue 1, pp. 474-477.

Astronomy and Astrophysics

Astronomy

7

Elastodynamics, Laboratory Measurement, Moduli

Scientific paper

Static and dynamic elastic moduli of Calcare Massiccio mudstone-limestone, the typical seismogenic rock in the Italian Apennines, are measured using a standard uniaxial static compression test, a dual cantilever forced oscillation test and ultrasonic measurement of elastic wave velocities. These measurements cover nine decades in frequency including the seismic domain. Neither a significant frequency dependence nor a pronounced strain amplitude dependence was observed, providing a Young's modulus of (75 +/- 7) GPa and a Poisson's ratio of (0.28 +/- 0.02). These values are characteristic of Calcare Massiccio in undamaged condition.

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