Incremental dynamic analysis of wood-frame houses in Canada: Effects of dominant earthquake scenarios on seismic fragility |
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| Institution: | 1. Department of Civil Engineering, Queen''s School of Engineering, University of Bristol, Queen''s Building, University Walk, Bristol BS8 1TR, United Kingdom;2. Department of Urban and Civil Engineering, Faculty of Engineering, Tokyo City University, 1-28-1 Tamazutsumi Setagaya, Tokyo 158-8557, Japan;1. School of Civil Engineering, Heilongjiang University, No.74, Xuefu Road, Harbin, China;2. Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University), Ministry of Education, China;3. Institute of Engineering Mechanics, China Earthquake Administration, No.29, Xuefu Road, Harbin, China;1. School of Civil Engineering and Architecture, Wuhan University of Technology, China;2. Central and Southern China Municipal Engineering Design & Research Institute, China;1. Università degli Studi di Enna “Kore”, Facoltà di Ingegneria e Architettura, Cittadella Universitaria, 94100 Enna, Italy;2. Università degli Studi di Palermo, Scuola Politecnica, Dipartimento di Ingegneria Civile, Ambientale, Aerospaziale, dei Materiali DICAM, Viale delle Scienze Ed. 8, 90128 Palermo, Italy;3. Politecnico di Torino, Dipartimento di Ingegneria Strutturale, Edile e Geotecnica, Corso Duca degli Abruzzi, 24, 10128 Turin, Italy;4. Università degli Studi di Messina, Dipartimento di Ingegneria Civile, Informatica, Edile, Ambientale e Matematica Applicata, 98122 Messina, Italy;1. School of Civil and Environmental Engineering, University of Technology Sydney, 81 Broadway Street, Ultimo, NSW 2007, Australia;2. Department of Structural and Geotechnical Engineering, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, Santiago 7820436, Chile;3. UC Timber Innovation Center (CIM), Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, Santiago 7820436, Chile;4. Department of Civil Engineering, University of Victoria, 3800 Finnerty Rd, Victoria, BC V8P 5C2, Canada;5. Department of Construction Engineering and Management, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, Santiago 7820436, Chile;1. Institute for Risk and Uncertainty, University of Liverpool, Peach Street, Chadwick Building, Liverpool, UK;2. Centre for Intelligent Infrastructure, Civil and Environmental Engineering, University of Strathclyde, Glasgow, UK |
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| Abstract: | Seismic fragility can be assessed by conducting incremental dynamic analysis (IDA). This study extends the current conditional mean spectrum (CMS)-based record selection approach for IDA by taking into account detailed seismic hazard information. The proposed method is applied to conventional wood-frame houses in Canada, across which dominant earthquake scenarios and associated hazard levels vary significantly. Effects due to different seismic environments, site conditions, CMS-based record selection methods, and house models are investigated by comparing various seismic fragility models. Moreover, relative impact of the key characteristics is evaluated in terms of seismic loss curve for a group of wood-frame houses. Importantly, a close examination of regional seismic hazard characteristics using seismic hazard curve and seismic deaggregation facilitates the deeper understanding of the impact of ground motion characteristics on seismic fragility. A comprehensive and systematic assessment of key uncertainties associated with seismic fragility is provided. |
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