Fault and system stiffnesses and stick-slip phenomena |
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| Authors: | Richard E Goodman P N Sundaram |
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| Institution: | (1) Department of Civil Engineering, University of California, 94720 Berkeley, Cal, USA;(2) Department of Civil Engineering, University of Wisconsin, 53201 Milwaukee, WI, USA |
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| Abstract: | Summary This paper discusses the influence of system stiffness on the dynamic instability of fault surfaces under laboratory conditions for a number of test modes. In conjunction with shear load stiffness, the normal load stiffness, often neglected, is shown to have a considerable effect on the stick-slip process —its presence or absence and its characteristics. Also appropriate stiffnesses are suggested for an earthquake sequence modeled as a growing dislocation. |
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| Keywords: | Stiffness Stick-slip Rock-mechanics |
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