Seismic Responses of Two RC Buildings and One Wood Building Based on an Input Wave Field
Publication: International Journal of Geomechanics
Volume 15, Issue 6
Abstract
A recently proposed three-dimensional (3D) linear method for examining soil-building interactions based on an input seismic wave field is, after some improvements, applied to estimate seismic building responses in the reclaimed zone of Tokyo Bay, where ground motions include a considerable amount of surface waves, thus reconfirming the effects of the method in a different situation. A seismic wave field involves seismic waves propagating in a 3D medium. The proposed method was developed with the goal of adequately treating seismic surface waves trapped by a (several-kilometers) deep underground structure in a soil-building interaction system. Two simulations were carried out. The first simulation successfully reproduced surface, downhole, and building accelerograms that were recorded at one borehole station during two medium-sized earthquakes. In the second simulation, seismic responses of a midrise RC model building and a wood model building were favorably calculated at the other borehole station for the 1923 Kanto earthquake. The building responses also were compared with those calculated by two standard response analyses, demonstrating the superiority of the proposed method.
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Acknowledgments
Most of the accelerograms were provided as a data set of Strong Motion Array Observation No. 2 by the Association for Earthquake Disaster Prevention of Japan. Parts of the accelerograms recorded at the Echujima station were supplied by Shimizu Corporation, Tokyo, Japan. The structural information on the real building and the building accelerograms recorded at the Toyo station were supplied by Takenaka Corporation, Tokyo, Japan. Dr. Tetsuya Ishihara of the Technical Research and Development Institute, JDC Corporation, Tokyo, Japan, gave helpful advice on the soil-building interaction system. Dr. Masaomi Teshigawara of Nagoya University gave instructive advice on buildings. The editor and four anonymous reviewers greatly improved the manuscript.
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Published In
International Journal of Geomechanics
Volume 15 • Issue 6 • December 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jul 11, 2012
Accepted: Sep 2, 2014
Published online: Sep 29, 2014
Published in print: Dec 1, 2015
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