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Potential for geophysical experiments in large scale tests.

Geophysical Research Letters

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Abstract

Potential research applications for large-specimen geophysical experiments include measurements of scale dependence of physical parameters and examination of interactions with heterogeneities, especially flaws such as cracks. In addition, increased specimen size provides opportunities for improved recording resolution and greater control of experimental variables. Large-scale experiments using a special purpose low stress (<40MPa) biaxial apparatus demonstrate that a minimum fault length is required to generate confined shear instabilities along pre-existing faults. Experimental analysis of source interactions for simulated earthquakes consisting of confined shear instabilities on a fault with gouge appears to require large specimens (approx 1m) and high confining pressures (>100MPa).-Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Potential for geophysical experiments in large scale tests.
Series title:
Geophysical Research Letters
Volume
8
Issue:
7
Year Published:
1981
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geophysical Research Letters
First page:
653
Last page:
656