Development of a seismic risk mitigation methodology for public buildings applied to the hospitals of Basilicata region (Southern Italy) |
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| Institution: | 1. Department of Architecture, Built Environment and Construction Engineering, Politecnico di Milano, Milano, Italy;2. Department of Civil, Environmental Engineering and Architecture, University of Cagliari, Italy;1. Research Institute of Structural Engineering & System, DongYang Structural Engineers Co., Ltd., Seoul 05836, Republic of Korea;2. Urban Architecture Division, Korea Agency for Infrastructure Technology Advancement, Anyang-si 14066, Republic of Korea;3. Department of Architecture and Interior Design, Gyeonggi College of Science and Technology, Siheung-si, Gyeonggi 15073, Republic of Korea;4. School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Republic of Korea;1. School of Civil Engineering, Central South University, Changsha 410075, China;2. National Engineering Laboratory for Construction Technology of High Speed Railway, Changsha 410075, China;3. Engineering Technology Research Center for Prefabricated Construction Industrialization of Hunan Province, Changsha 410075, China;4. Lanxi Municipal Engineering Management Office, Jinhua 321100, China;5. Hunan Architectural Design Institute Limited Company, Changsha 410012, China;1. Faculty of Civil, Water, and Environmental Engineering, Shahid Beheshti University, Tehran, Iran;2. Department of Civil Engineering, Sharif University of Technology, Tehran, Iran;3. Department of Civil and Environmental Engineering, University of California, Los Angeles, USA;1. Institute for Research in Civil and Mechanical Engineering (GeM - UMR 6183), Université de Nantes, Nantes, France;2. Faculty of Project Management, The University of Danang – University of Science and Technology, Danang, Viet Nam;3. Department of Civil and Environmental Engineering, Case Western Reserve University, Cleveland, OH, 44106, USA;4. Laboratory of Engineering Sciences for the Environment (LaSIE - UMR CNRS 7356), La Rochelle University, La Rochelle, France |
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| Abstract: | This paper deals with the development of a procedure aimed at defining a seismic risk mitigation strategy for public buildings in terms of prioritization, time required and funds. The procedure is based on a global risk index involving the entire building stock under study thus facilitating an examination of risk variation over time up to its final value. Relationships between the current seismic capacity–demand ratios and the required strengthening costs (cost models) have been developed. Each of the assumed cost models has a different target in terms of capacity–demand ratio to be obtained after strengthening, basically ranging between full retrofit and upgrading. The procedure has been applied to 69 hospital buildings located in Basilicata region for which the vulnerability data was available as a result of a large assessment program set up by the regional government. Priorities have been defined on the basis of seismic capacity, local hazard and number of human beings possibly involved (exposure). The results of different strengthening strategies have been outlined with a special focus on the pros and cons of the upgrading strategy with respect to various retrofit strategies. The procedure may be applied to different categories of public buildings by properly modifying some input parameters and partially redefining criteria for prioritization. |
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| Keywords: | Seismic risk Vulnerability assessment Hospitals Mitigation strategies Intervention priority |
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