Changes in in situ ultrasonic properties of rock on strain relaxation

T. Engelder; R. Plumb

doi:10.1016/0148-9062(84)91175-6

Changes in in situ ultrasonic properties of rock on strain relaxation

T. Engelder
, R. Plumb

Geosciences

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

In situ and laboratory measurements of ultrasonic velocity have been compared to test for the effect of strain relaxation on rock properties. For granites, the larger changes in compressional-wave velocity (V_p) correlate with higher in situ stresses, the maximum V_p being parallel to the directory of maximum compressive stress. For sedimentary rocks, the relation between changes in V_p and in-situ stress is dependent on lithology. In sandstone, the direction associated with the maximum decrease in V_p accompanying strain relaxation is parallel to the maximum compressive stress. Limestone is virtually isotropic with little decrease in V_p on strain relaxation.

Original language	English (US)
Pages (from-to)	75-82
Number of pages	8
Journal	International Journal of Rock Mechanics and Mining Sciences and Geomechanics
Volume	21
Issue number	2
DOIs	https://doi.org/10.1016/0148-9062(84)91175-6
State	Published - Apr 1984

All Science Journal Classification (ASJC) codes

Geotechnical Engineering and Engineering Geology
General Engineering

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10.1016/0148-9062(84)91175-6

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title = "Changes in in situ ultrasonic properties of rock on strain relaxation",

abstract = "In situ and laboratory measurements of ultrasonic velocity have been compared to test for the effect of strain relaxation on rock properties. For granites, the larger changes in compressional-wave velocity (Vp) correlate with higher in situ stresses, the maximum Vp being parallel to the directory of maximum compressive stress. For sedimentary rocks, the relation between changes in Vp and in-situ stress is dependent on lithology. In sandstone, the direction associated with the maximum decrease in Vp accompanying strain relaxation is parallel to the maximum compressive stress. Limestone is virtually isotropic with little decrease in Vp on strain relaxation.",

author = "T. Engelder and R. Plumb",

note = "Funding Information: Acknowledgements--This work was supported b\textasciitilde{} contracts from the Nuclear Regulatory Commission (NRC-04-81-180) and the Ne\textasciitilde{} York State ERDA Ted Koczynski helped in the design and construction ol components used in m sttu velocity measurements We thank Hans Swolfs, Chris Scholz and Tract Johnson for rewev, s of early versions of th\textasciitilde{}s paper Lamont-Doherty Geological Observator3 Contribution No 3588",

year = "1984",

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doi = "10.1016/0148-9062(84)91175-6",

language = "English (US)",

volume = "21",

pages = "75--82",

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T1 - Changes in in situ ultrasonic properties of rock on strain relaxation

AU - Engelder, T.

AU - Plumb, R.

N1 - Funding Information: Acknowledgements--This work was supported b~ contracts from the Nuclear Regulatory Commission (NRC-04-81-180) and the Ne~ York State ERDA Ted Koczynski helped in the design and construction ol components used in m sttu velocity measurements We thank Hans Swolfs, Chris Scholz and Tract Johnson for rewev, s of early versions of th~s paper Lamont-Doherty Geological Observator3 Contribution No 3588

PY - 1984/4

Y1 - 1984/4

N2 - In situ and laboratory measurements of ultrasonic velocity have been compared to test for the effect of strain relaxation on rock properties. For granites, the larger changes in compressional-wave velocity (Vp) correlate with higher in situ stresses, the maximum Vp being parallel to the directory of maximum compressive stress. For sedimentary rocks, the relation between changes in Vp and in-situ stress is dependent on lithology. In sandstone, the direction associated with the maximum decrease in Vp accompanying strain relaxation is parallel to the maximum compressive stress. Limestone is virtually isotropic with little decrease in Vp on strain relaxation.

AB - In situ and laboratory measurements of ultrasonic velocity have been compared to test for the effect of strain relaxation on rock properties. For granites, the larger changes in compressional-wave velocity (Vp) correlate with higher in situ stresses, the maximum Vp being parallel to the directory of maximum compressive stress. For sedimentary rocks, the relation between changes in Vp and in-situ stress is dependent on lithology. In sandstone, the direction associated with the maximum decrease in Vp accompanying strain relaxation is parallel to the maximum compressive stress. Limestone is virtually isotropic with little decrease in Vp on strain relaxation.

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M3 - Article

AN - SCOPUS:0021406584

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VL - 21

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JO - International Journal of Rock Mechanics and Mining Sciences and Geomechanics

JF - International Journal of Rock Mechanics and Mining Sciences and Geomechanics

IS - 2

ER -

Changes in in situ ultrasonic properties of rock on strain relaxation

Abstract

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