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Analysis of damage data of low-rise buildings subjected to a shallow Mw6.3 earthquake |
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| Institution: | 1. Faculty of Civil and Environmental Engineering, University of Iceland, Hjardarhagi 2-6, 107 Reykjavik, Iceland;2. VERKIS Consulting Engineers Ltd., Armuli 4, 108 Reykjavik, Iceland;3. Steedman & Associates Ltd., 42 Hillgate Place, London W8 7ST, UK;1. Department of Landscape Architecture, Chung Chou University of Science and Technology, Yuanlin, Changhua 510, Taiwan;2. Department of Mechanical and Automation Engineering, Chung Chou University of Science and Technology, Yuanlin, Changhua 510, Taiwan;1. Department of Civil and Industrial Engineering, University of Pisa, Via Diotisalvi 2, I 56126 Pisa, Italy;2. Department of Industrial Engineering, University of Parma, Parco Area delle Scienze 181/A, I 43100 Parma, Italy;1. Department of Energetics and Vehicles, University of Life Sciences in Lublin, G??boka 28, Lublin, Poland;2. Department of Applied Mathematics and Computer Science, University of Life Sciences in Lublin, G??boka 28, Lublin, Poland |
| Abstract: | In May 2008 a shallow Mw6.3 earthquake struck South Iceland with an epicentre close to two small towns. Nearly 5000 low-rise residential buildings were affected. The recorded maximum PGA was 0.88 g. A great deal of damage occurred, but there was no loss of life. In Iceland all buildings are registered in a detailed official database and insurance against natural disasters is obligatory. As the repair costs for every affected building had to be assessed for insurance purposes this provided an unusual opportunity to review structural performance across the whole population of buildings in the affected area. The estimated repair cost was classified in a number of subcategories covering structural and non-structural damage for five different residential building typologies. Study of these buildings showed that non-structural damage dominated the overall damage. The main monetary damage was cosmetic damage of partition walls and flooring. The structural systems performed quite well and no buildings collapsed. |
| Keywords: | Learning from earthquakes Vulnerability Fragility curves Structural damage Non-structural damage Damage statistics Low-rise buildings RC-buildings Timber buildings |
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