The Colombian seismic code NSR-98 establishes the requirement for the seismic vulnerability analysis and, if necessary, the strengthening of public facilities (schools). Due to the investments required by risk-reduction programs, it is necessary to establish criteria for assigning priorities for the interventions. This article proposes a methodology for obtaining a benefit-cost ratio (BCR) at the subnational level, by assessing the expected annual average loss of the built area of public schools and the retrofitting cost. The BCR is estimated as the difference between the estimates of the net present value for status quo and retrofitted states, both divided by the retrofitting costs. According to the BCR, 47.3% of the total school-built area of Colombia should be retrofitted where the retrofitting costs correspond to 25% of the total investment. Proposed BCR is useful for prioritizing regions as a function of the feasibility of reducing the seismic vulnerability of the schools.
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November 01, 2015
Prioritizing Interventions to Reduce Seismic Vulnerability in School Facilities in Colombia
Miguel G. Mora;
Miguel G. Mora
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
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Jairo A. Valcárcel;
Jairo A. Valcárcel
b)
Department of Geotechnical Engineering and Geosciences, Civil Engineering School, Polytechnic University of Catalonia, Building D2, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
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Omar D. Cardona;
Omar D. Cardona
c)
Universidad Nacional de Colombia, Campus Palogrande, IDEA, Cra. 27 No. 64-60, Manizales, Colombia
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Lluis G. Pujades;
Lluis G. Pujades
b)
Department of Geotechnical Engineering and Geosciences, Civil Engineering School, Polytechnic University of Catalonia, Building D2, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
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Alex H. Barbat;
Alex H. Barbat
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
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Gabriel A. Bernal
Gabriel A. Bernal
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
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Miguel G. Mora
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
Jairo A. Valcárcel
b)
Department of Geotechnical Engineering and Geosciences, Civil Engineering School, Polytechnic University of Catalonia, Building D2, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
Omar D. Cardona
c)
Universidad Nacional de Colombia, Campus Palogrande, IDEA, Cra. 27 No. 64-60, Manizales, Colombia
Lluis G. Pujades
b)
Department of Geotechnical Engineering and Geosciences, Civil Engineering School, Polytechnic University of Catalonia, Building D2, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
Alex H. Barbat
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
Gabriel A. Bernal
a)
Department of Structural Mechanics, Civil Engineering School, Polytechnic University of Catalonia, Building C1, Campus Norte UPC, Jordi Girona 1-3, 08034 Barcelona, Spain
Publisher: Earthquake Engineering Research Institute
Received:
04 Apr 2012
Accepted:
20 Nov 2014
First Online:
01 Jun 2020
Online ISSN: 1944-8201
Print ISSN: 8755-2930
© 2015 Earthquake Engineering Research Institute
Earthquake Engineering Research Institute
Earthquake Spectra (2015) 31 (4): 2535–2552.
Article history
Received:
04 Apr 2012
Accepted:
20 Nov 2014
First Online:
01 Jun 2020
Citation
Miguel G. Mora, Jairo A. Valcárcel, Omar D. Cardona, Lluis G. Pujades, Alex H. Barbat, Gabriel A. Bernal; Prioritizing Interventions to Reduce Seismic Vulnerability in School Facilities in Colombia. Earthquake Spectra 2015;; 31 (4): 2535–2552. doi: https://doi.org/10.1193/040412EQS151T
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