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Optimized derivation of hazard-consistent seismic fragility curves using Bayesian approach and multiple stripe analysis

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This methodology reduces computational costs in deriving seismic fragility curves using Bayesian approaches and Multiple Stripe Analysis.

Utilizing a Bayesian approach, the methodology dramatically lowers computational demands while maintaining accuracy.
The process iteratively updates fragility parameters using Markov Chain Monte Carlo, streamlining numerous necessary analyses.
Validation on both SDOF and MDOF structures confirmed convergence to benchmark results, ensuring reliability of the method.
An automated criterion enhances efficiency while sensitivity analysis indicates fewer records can yield stable outcomes.

Iñárritu et al. (2025) studied this question.

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