Comparison of Seismic Performance of a RC Frame Building before and after the Wenchuan Earthquake in Sichuan Province
Publication: Journal of Performance of Constructed Facilities
Volume 29, Issue 1
Abstract
The Wenchuan earthquake that occurred in China in 2008 caused extensive damage and loss of life and property. Comparison of the vulnerabilities between former and current reinforced concrete (RC) frame structures after the 2008 Wenchuan earthquake was performed in order to minimize of future losses in the paper. A formal representative type of damaged RC frame building in Wenchuan County was studied by nonlinear finite element method (FEM). Probabilistic seismic demand models (PSDM) for RC frame structures was built to assess the safety levels of the former and the current RC frame buildings. The fragility curves for immediate occupancy (IO), significant damage (SD), and collapse prevention (CP) damage levels of the two RC frame buildings were compared and analyzed. The result indicates the safety levels of the current RC frame building are well improved compared to the former RC frame building before the 2008 Wenchuan earthquake in China.
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Acknowledgments
The research is supported by National Natural Science Foundation of China (51108105, 51078095, and 90815029), Open Foundation of State Key Laboratory of Subtropical Building Science (2011KB15 and 2012ZC26) National Program on Key Basic Research Project (973 Program) (2011CB013606 and 2012BAJ07B02), National Key Technology R&D Program of China (2012BAJ07B02), Scientific and Technological Projects of China (K2201219) and Project of Science and Technology Star in Zhu Jiang Guangzhou City (2012J2200027).
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Published In
Journal of Performance of Constructed Facilities
Volume 29 • Issue 1 • February 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Oct 3, 2012
Accepted: Apr 18, 2013
Published online: Apr 20, 2013
Discussion open until: Dec 3, 2014
Published in print: Feb 1, 2015
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