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Earthquake Spectra / Volume 27 / Issue 2 / MANUSCRIPTS

Earthquake Spectra 27, pp. 399-418 (2011); doi:http://dx.doi.org/10.1193/1.3570684

Seismic Performance of Reinforced Concrete Frame Buildings in Southern California

Kathryn P. Lynch1, Kristen L. Rowe2, Abbie B. Liel2, and M. EERI1

1Design Engineer, S.A. Miro, Denver, CO
2Dept. of Civil, Environmental and Architectural Engineering, University of Colorado, Boulder, CO 80309

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This study examines the impact of the ShakeOut earthquake on reinforced concrete (RC) frame structures in Southern California. The assessment uses synthetic ground motions and nonlinear dynamic analysis to evaluate 20 RC frame buildings hypothetically located at 735 sites throughout the region. Results show that older nonductile RC frame structures may collapse at 8% to 32% of the sites analyzed, especially in Palm Springs, Los Angeles, and San Bernardino. Modern code-conforming RC frame structures are predicted to collapse at fewer sites (1–11%), but modern midrise construction may be vulnerable in Los Angeles due to rupture directivity and basin effects. These seismic performance metrics can inform the development of policies for emergency response and for mitigating earthquake-induced collapse of existing RC frame buildings. The study further provides a prototype that can be used in developing future scenario studies that will benefit from ongoing research to improve building and seismological models.

© 2011 Earthquake Engineering Research Institute

KEYWORDS and PACS

Keywords

earthquakes, emergency services, fracture, government policies, impact (mechanical), nonlinear dynamical systems, reinforced concrete, seismic waves, seismology, structural engineering, vibrations

PACS

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ARTICLE DATA

History
Received 10 January 2010
Accepted 11 May 2010
Digital Object Identifier
http://dx.doi.org/10.1193/1.3570684

PUBLICATION DATA

ISSN

8755-2930 (print)  

Publisher

$abstract.society.value is a Member of CrossRef Earthquake Engineering Research Institute

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