Centrifuge Modeling and the Influence of Fabric Anisotropy on Seismic Response of Foundations
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 142, Issue 3
Abstract
Failure of foundations induced by earthquakes occurred many times in the past. There is a general lack of data recorded during earthquakes in the field about seismic response of such foundations. According to the results of some previous laboratory tests and numerical analyses, anisotropy of fabric of soil grains has significant influence on dynamic soil response. However, there is hardly any realistic physical data available to analyze the influence of fabric anisotropy on the response of foundations during earthquakes. Centrifuge tests are small scaled model tests which have been widely used to study the mechanism of response and to verify and validate design methods and numerical simulations. In this study, 12 centrifuge tests were carried out to study the effect of fabric anisotropy on seismic response of foundations. Important parameters in the response are evaluated and implications for design are discussed.
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Acknowledgments
The authors thank the partial support by National Natural Science Foundation of China under Grant No. 51278307.
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Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 142 • Issue 3 • March 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Oct 7, 2014
Accepted: Jul 26, 2015
Published online: Sep 14, 2015
Discussion open until: Feb 14, 2016
Published in print: Mar 1, 2016
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