Life-cycle cost analysis for an incremental seismic rehabilitation project

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Loa G.
Muñoz A.
Santa-Cruz S.
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SAGE Publications Inc.
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Incremental seismic rehabilitation (ISR) consists of a set of discrete rehabilitation actions in order to decrease initial costs and to avoid long-lasting disruptions. Nevertheless, there are few cases of incrementally retrofitted buildings and few studies about its economic feasibility. The objective of this work is to evaluate the differences between incremental and single-stage rehabilitation in terms of economic losses during the building’s life span. For this purpose, this work analyzes three rehabilitation proposals to improve seismic performance of typical school buildings. Based on P58 FEMA (Federal Emergency Management Agency) methodology, expected repair costs and benefits were calculated for each rehabilitation intervention. Results confirm the potential of ISR for improving essential buildings.
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This project was partially funded by CONCYTEC within the framework of the 027-2015-FONDECYT Agreement.
Palabras clave
Seismic losses, Incremental rehabilitation