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Impulse Response of Civil Structures from Ambient Noise Analysis

Prieto, Germán A. and Lawrence, Jesse F. and Chung, Angela and Kohler, Monica D. (2010) Impulse Response of Civil Structures from Ambient Noise Analysis. Bulletin of the Seismological Society of America, 100 (5A). pp. 2322-2328. ISSN 0037-1106.

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Increased monitoring of civil structures for response to earthquake motions is fundamental to reducing seismic risk. Seismic monitoring is difficult because typically only a few useful, intermediate to large earthquakes occur per decade near instrumented structures. Here, we demonstrate that the impulse response function (IRF) of a multistory building can be generated from ambient noise. Estimated shear-wave velocity, attenuation values, and resonance frequencies from the IRF agree with previous estimates for the instrumented University of California, Los Angeles, Factor building. The accuracy of the approach is demonstrated by predicting the Factor building’s response to an M 4.2 earthquake. The methodology described here allows for rapid, noninvasive determination of structural parameters from the IRFs within days and could be used for state-of-health monitoring of civil structures (buildings, bridges, etc.) before and/or after major earthquakes.

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Additional Information:© 2010 Seismological Society of America. Manuscript received 9 September 2009. Seismograms used in this study are made available thanks to operations and maintenance supported by personnel and funds from the U.S. Geological Survey Advanced National Seismic System (Grant 05HQGR0159) program and the National Science Foundation (NSF) Center for Embedded Networked Sensing at the University of California, Los Angeles (UCLA). Data can be obtained the Incorporated Research Institutions for Seismology (IRIS) Data Management Center at (last accessed January 2008).
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Issue or Number:5A
Record Number:CaltechAUTHORS:20160122-140222092
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Official Citation:German A. Prieto, Jesse F. Lawrence, Angela I. Chung, and Monica D. Kohler Impulse Response of Civil Structures from Ambient Noise Analysis Bulletin of the Seismological Society of America, October 2010, v. 100, p. 2322-2328, doi:10.1785/0120090285
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:63905
Deposited By: SWORD User
Deposited On:22 Jan 2016 23:39
Last Modified:03 Oct 2019 09:32

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