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Utilization of stochastic ground motion simulations for scenario-based performance assessment of geo-structures

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  • Hariri-Ardebili, M. Amin
  • Rezaeian, Sanaz

Abstract

Probabilistic seismic performance assessments of engineered structures can be highly sensitive to the seismic input excitation and its variability. In the present study, the scenario-based performance assessment recommended by Federal Emergency Management Agency (FEMA) P-58 guidelines is adopted to estimate seismic fragility of concrete dams for various seismic hazard scenarios. Due to the scarcity of recorded ground motions and thereby their poor representation of uncertainties, stochastic ground motion simulation methods are utilized to obtain the required input excitations. Moreover, to understand the uncertainty in ground motion simulation models, two broadband stochastic simulation models are used to generate input excitations representing six seismic hazard scenarios defined by earthquake magnitude, source-to-site distance, and soil conditions.

Suggested Citation

  • Hariri-Ardebili, M. Amin & Rezaeian, Sanaz, 2024. "Utilization of stochastic ground motion simulations for scenario-based performance assessment of geo-structures," Reliability Engineering and System Safety, Elsevier, vol. 251(C).
    • Handle: RePEc:eee:reensy:v:251:y:2024:i:c:s0951832024004472
    DOI: 10.1016/j.ress.2024.110375
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