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Impact of spatial correlation of ground motions on seismic damage for residential buildings in Bucharest, Romania

Author

Listed:
  • Florin Pavel

    (Technical University of Civil Engineering Bucharest)

  • Radu Vacareanu

    (Technical University of Civil Engineering Bucharest)

  • Ileana Calotescu

    (Technical University of Civil Engineering Bucharest)

  • Ana-Maria Sandulescu

    (Technical University of Civil Engineering Bucharest)

  • Cristian Arion

    (Technical University of Civil Engineering Bucharest)

  • Cristian Neagu

    (Technical University of Civil Engineering Bucharest)

Abstract

This paper focuses on the investigation of seismic risk for residential buildings situated in Bucharest, the capital city of Romania. With a population of nearly 2 million inhabitants and a residential building stock of more than 130,000 units, Bucharest represents a city with one of the highest seismic risks in Europe. The seismic risk is evaluated taking into consideration only the Vrancea intermediate-depth seismic source which exhibits a dominant influence on the seismic hazard in southern and eastern Romania (including Bucharest, as well). The analyses are conducted based on a Monte Carlo earthquake catalogue which covers a time span of 50,000 years and includes more than 13,000 seismic events with magnitudes M W ≥ 6.0. In addition, in order to account for the ground-motion variability throughout Bucharest, a recently developed spatial correlation model is applied. Thus, the influence of the ground-motion correlation on the damage estimates for Bucharest is evaluated, as well. The seismic risk estimates obtained for various earthquake scenarios show a significant variability of the results obtained and offer valuable information for the decision-makers from public institutions dealing with the risk management.

Suggested Citation

  • Florin Pavel & Radu Vacareanu & Ileana Calotescu & Ana-Maria Sandulescu & Cristian Arion & Cristian Neagu, 2017. "Impact of spatial correlation of ground motions on seismic damage for residential buildings in Bucharest, Romania," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 87(2), pages 1167-1187, June.
    • Handle: RePEc:spr:nathaz:v:87:y:2017:i:2:d:10.1007_s11069-017-2814-6
    DOI: 10.1007/s11069-017-2814-6
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    References listed on IDEAS

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    1. Iuliana Armaş, 2012. "Multi-criteria vulnerability analysis to earthquake hazard of Bucharest, Romania," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 63(2), pages 1129-1156, September.
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