International Conference on Applications of Statistics and Probability in Civil Engineering (ICASP) (12th : 2015)

Investigation of structural fragility for risk-targeted assessment Martins, Luís; Silva, Vítor; Crowley, Helen; Bazzurro, Paolo; Marques, Mário


This paper analyzes the structural fragility of buildings designed according to the European regulation, in order to identify key aspects that impact risk-targeted hazard assessment. The performance of new buildings is assessed through 3D finite element models and non-linear dynamic analysis. These results were used to compute fragility functions for the damage states of interest for risk-targeted hazard assessment. Conclusions are drawn regarding their influence on the expected annual probability of collapse or of exceeding damage states of interest. The results presented in this study permit a better understanding of the seismic behaviour of new buildings, and consequently of the increase in the reliability brought by the adoption of the risk-targeted hazard methodology.

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