Earthquakes and Structures

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Seismic risk analysis and probabilistic damage model for buildings with different structural systems in Iran

  • Ali Sadeghi (Department of Civil Engineering, Najafabad Branch, Islamic Azad University) ;
  • Abdolreza S. Moghadam (Department of Civil Engineering, Najafabad Branch, Islamic Azad University) ;
  • Farshid Fathi (Department of Civil Engineering, Najafabad Branch, Islamic Azad University)
  • Received : 2023.05.25
  • Accepted : 2024.11.28
  • Published : 2025.02.25
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Abstract

Iran, a densely populated country, is geographically located in a very high-seismicity region and requires detailed seismic hazard/risk analyses, especially for her strategic population/industrial areas, to provide vital information for decision makers to take effective risk reduction measures. For the first time, this paper makes use of accurate updated methods, recent population/housing census statistics and socio-economic data to analyze the seismic risk considering different uncertainties for buildings with different structural systems in Yasouj city. The descriptive/quantitative information of the buildings and active faults of this city is implemented in GIS, probabilistic risk analyses are performed and hazard curves and design spectrum are produced for four different vulnerability levels for the site of the research area using the capabilities of the OpenQuake Software. Results show that designing new strong structures and retrofitting the existing buildings in the region is very important to prevent high economic, social and human losses.

Keywords

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