An Efficient Methodology to Estimate Probabilistic Seismic Damage Curves
Publication: Journal of Structural Engineering
Volume 145, Issue 4
Abstract
The incremental dynamic analysis (IDA) is a powerful methodology that can be easily extended for calculating probabilistic seismic damage curves. These curves are metadata to assess the seismic risk of structures. Although this methodology requires a relevant computational effort, it should be the reference to correctly estimate the seismic risk of structures. Nevertheless, it would be of high practical interest to have a simpler methodology, based for instance on the pushover analysis (PA), to obtain similar results to those based on IDA. In this article, PA is used to obtain probabilistic seismic damage curves from the stiffness degradation and the energy of the nonlinear part of the capacity curve. A fully probabilistic methodology is tackled by means of Monte Carlo simulations with the purpose of establishing that the results based on the simplified proposed approach are compatible with those obtained with the IDA. Comparisons between the results of both approaches are included for a low- to midrise reinforced concrete building. The proposed methodology significantly reduces the computational effort when calculating probabilistic seismic damage curves.
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Acknowledgments
This research has been partially funded by the Ministry of Economy and Competitiveness (MINECO) of the Spanish Government and by the European Regional Development Fund (FEDER) of the European Union (EU) through projects referenced as CGL2011-23621 and CGL2015-65913 -P (MINECO/FEDER, UE).
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Published In
Journal of Structural Engineering
Volume 145 • Issue 4 • April 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Oct 13, 2017
Accepted: Sep 18, 2018
Published online: Jan 28, 2019
Published in print: Apr 1, 2019
Discussion open until: Jun 28, 2019
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