Brief Report
Nov 1976
Relative Motion of Two Points during an Earthquake
Publication: Journal of the Geotechnical Engineering Division
Volume 102, Issue 11
Abstract
The design of a facility to withstand an earthquake must permit the connections between its parts to accommodate relative motions. A wave train or earthquake motion propagates horizontally between two points separated by a distance, ib. If the wave shape is not changed during passage and if the wave velocity is ic, the time lag between the motion of the two points is b/c, and the relative motion could be simply computed by shifting the time history of motion by b/c to obtain the motion at point B and subtracting the result from the motion at point A. When a shallow layer of soil is underlain by stiffer rock, c is the wave velocity in the rock.
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Published In
Journal of the Geotechnical Engineering Division
Volume 102 • Issue 11 • November 1976
Pages: 1191 - 1194
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Nov 1976
Published online: Feb 11, 2021
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John T. Christian, M.ASCE
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.