Strain and phase detection for rock materials under oscillatory

Details Strain and phase detection for rock materials under oscillatory Strain and phase detection for rock materials under oscillatory

1981-05-01

1983-05-31

Ciarlante, Anthony V.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

G01N 2900

Patent

active

043855202

ABSTRACT:
Circumferential and longitudinal strain measurements are carried out on a rock material under oscillatory loading conditions at seismic frequencies. The phase angle between each of these strains and the oscillatory driving force is determined by synchronous and quadrature detection.

REFERENCES:
patent: 1414077 (1922-04-01), Fessenden
patent: 3187565 (1965-06-01), Kreiskorte et al.
patent: 3320796 (1967-05-01), Darby
patent: 3489161 (1970-01-01), Rexford
patent: 3589175 (1971-06-01), Bock et al.
patent: 4058007 (1977-11-01), Exner
"A Review of the Progress in the Measurement of Dynamic Elastic Properties", Hillier, Imperial Chem Industries Ltd., pp. 183-199.
"Effects of Pressure and Fluid Saturation on the Attenuation of Elastic Waves in Sands", Gardner et al., Petroleum Transactions, pp. 189-198, Feb., 1964.
"The Attenuation Constant of Earth Materials", Born, pp. 132-147.

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