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Published June 2012 | Published
Journal Article Open

Site Effects and Damage Patterns


A set of observations on site effects and damage patterns from the M_w 8.8 Maule, Chile, earthquake is presented, focusing on identification of structural damage variability associated with nonuniform soil conditions and subsurface geology. Observations are reported from: (1) the City of Santiago de Chile (Américo Vespucio Norte Ring Highway, Ciudad Empresarial business park), (2) the Municipality of Viña del Mar, and (3) the City of Concepción, extending over 600 km along the Chilean coast. Reconnaissance information and ground motion recordings from the megathrust event are combined with site investigation data in the regions of interest. Comparisons against macroseismic observations related to uneven damage distribution from the M_w 8.0 1985 Valparaíso earthquake are discussed. Complexities associated with identifying the mechanics and underlying physical processes responsible for the manifestation of these effects are elucidated.

Additional Information

Copyright © 2012 Earthquake Engineering Research Institute. Received: March 14, 2011; Accepted: February 4, 2012 ;Published Online: June 2012. his material is based upon work supported by the National Science Foundation (NSF) under Grant No. CMMI-1034831. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the NSF. Additional support was provided by Golder Associates and the Chilean Air Force. All GEER team members contributed to this effort, including Jonathan Bray, David Frost, Ramon Verdugo, Christian Ledezma, Terry Eldridge, Pedro Arduino, Scott Ashford, Dominic Assimaki, David Baska, Jim Bay, R. Boroschek, Gabriel Candia, Leonardo Dorador, Aldo Faúndez, Gabriel Ferrer, Lenart Gonzalez, Youssef Hashash, Tara Hutchinson, Laurie Johnson, Katherine Jones, Keith Kelson, Rob Kayen, Gonzalo Montalva, Robb Moss, Sebastian Maureira, George Mylonakis, Scott Olson, Kyle Rollins, Nicholas Sitar, Jonathan Stewart, Mesut Turel, Alfredo Urzúa, Claudia Welker, and Rob Witter.

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Published - Assimaki_et_al._-_2012_-_Site_Effects_and_Damage_Patterns.pdf


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