Abstract
Limitation of monetary losses due to earthquakes can improve resilience in developed countries. Computation of losses with the PEER performance-based earthquake engineering framework (Porter 2003) normally entails performing a number of Non-linear Response History analyses as a basis for assessment of expected Engineering Demand Parameters and associated losses, that is an elaborate and time-consuming task. In (ATC 2012) an alternative quicker approach relying on simplified modeling and analysis with SPO2IDA is also envisaged. This paper tests the applicability of simplified method using pushover based analysis and CSM method. In particular, it compares the losses obtained for a non-conforming reinforced concrete moment frame building starting from the classical approach, i.e. based on Non-linear Response History analyses, with the one computed with pushover-based assessment. Moreover, it evaluates the reduction of losses after building retrofit with the pushover-based analysis.
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Acknowledgements
This study was performed within the framework of the PON METROPOLIS “Metodologie e tecnologie integrate e sostenibili per l’adattamento e la sicurezza di sistemi urbani” grant n. PON03PE_00093_4 and the joint program DPC-Reluis 2014-2016 Task 3.3: Reparability limit state and damage cumulated effects. The S.Co.P.E. computing infrastructure at the University of Naples Federico II was used for the parallel computing.
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Gaetani d’Aragona, M., Polese, M., Di Ludovico, M., Prota, A. (2018). The Effect of Alternative Retrofit Strategies on Reduction of Expected Losses: Evaluation with Detailed and Simplified Approach. In: di Prisco, M., Menegotto, M. (eds) Proceedings of Italian Concrete Days 2016. ICD 2016. Lecture Notes in Civil Engineering , vol 10. Springer, Cham. https://doi.org/10.1007/978-3-319-78936-1_28
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