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Estimating the vulnerability and loss functions of residential buildings

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Abstract

This paper is concerned with an investigation of the damage to residential buildings in two areas within Gilan and Zanjan provinces, Iran, caused by the Manjil-Rudbar earthquake of 20 June 1990. A statistical correlation between the observed ground motion and the damage to the residential buildings is derived for overall damaged buildings and expressed as the vulnerability function. The loss function is calculated by combining the seismic hazard with the vulnerability function.

The study of vulnerability and annual seismic hazard shows that the specific annual risk for the range of motion of 0.18 to 0.5 g is equal to 0.02. This indicates that the specific risk for semi-engineered residential buildings with a lifetime of 20 years is about 33%. This study also shows that in large cities, such as Tehran, located in seismic areas, the extent of damage according to the vulnerability function will be 45 and 70% for expected maximum accelerations of 0.3 and 0.4 g, respectively.

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Authors and Affiliations

  1. IIEES, PO Box 19395/3913, Tehran, Iran

    Behrooz Tavakoli & Aushahab Favakoli

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  1. Behrooz Tavakoli
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  2. Aushahab Favakoli
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Tavakoli, B., Favakoli, A. Estimating the vulnerability and loss functions of residential buildings. Nat Hazards 7, 155–171 (1993). https://doi.org/10.1007/BF00680428

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  • DOI: https://doi.org/10.1007/BF00680428

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