EXCITATION OF NEAR- AND FAR-FIELD GROUND MOTIONS BY SLIDING EVENTS ON A FAULT PLANE.

Jan Drewes Achenbach*, J. G. Harris

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Analytical results are presented which describe ground motions generated by sudden changes in the rate of advance of a curved front of a region of sliding in an inclined fault plane. The elastic-wave emission is computed on the basis of two-dimensional canonical problems for slip-displacement distributions near the rupture front, that are consistent with Mode II and Mode III crack propagation models. Ray theory considerations provide modifications to the two-dimensional radiated fields to account for curvature of the front. In the near-field the ground motion is computed by considering the reflection of rays of body-wave motion at the earth's surface. Surface-wave motions are computed in the farfield.

Original languageEnglish (US)
Pages (from-to)13-27
Number of pages15
JournalAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume80
StatePublished - Dec 1 1984

ASJC Scopus subject areas

  • Mechanical Engineering

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