Abstract
Fragility functions are fundamental for the assessment of seismic safety of structures or the loss assessment of a portfolio of assets. The present paper describes a procedure to derive fragility functions representative of Portuguese reinforced concrete precast buildings. This goal was achieved following an analytical methodology considering the result of hundreds of nonlinear static analyses, whose building models reflect both mechanical and geometrical characteristics of the Portuguese industrial building stock. Considering the specificities of this typology, and in particular the connections between the structural members, a recently developed macro-element was employed, which enables the explicit simulation of friction and dowel mechanisms. The fragility analyses considered both structural and non-structural limit states, and the findings indicate a poor seismic performance, even under low seismic demand.
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17 June 2021
A Correction to this paper has been published: https://doi.org/10.1007/s10518-021-01158-1
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Acknowledgements
This work was financially supported by Project POCI-01-0145-FEDER-028439 —“SeismisPRECAST Seismic performance ASSessment of existing Precast Industrial buildings and development of Innovative Retrofitting sustainable solutions” funded by FEDER funds through COMPETE2020—Programa Operacional Competitividade e Internacionalização (POCI) and by national funds (PIDDAC) through FCT/MCTES. The second author acknowledged to FCT—Fundação para a Ciência e a Tecnologia namely through the PhD grant with reference SFRH/BD/139723/2018.
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Sousa, R., Batalha, N., Silva, V. et al. Seismic fragility functions for Portuguese RC precast buildings. Bull Earthquake Eng 19, 6573–6590 (2021). https://doi.org/10.1007/s10518-020-01007-7
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DOI: https://doi.org/10.1007/s10518-020-01007-7