Abstract
A method for the estimation of the ductility demand on reinforced concrete piers during ground seismic shaking is proposed. The required input is the measurement data from a structural health monitoring system within the time window of the seismic event. The procedure relies on detection of high-frequency transients related to damage and their distance forward in time to the closest deformation extrema. A formulation is proposed which relates these measurements to the ductility demand on the pier. A step-by-step description of the procedure is provided along with a case study implementation on an experimental reinforced concrete column. The ductility demand is estimated and compared with the one obtained from the experimental force–deformation curve.
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Acknowledgements
This work has received funding from the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie Grant agreement No 721816. The research was performed as part of project XP-Resilience coordinated by the University of Trento, Italy.
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Zhelyazkov, A., Zonta, D., Wenzel, H. et al. On the estimation of the ductility demand on reinforced concrete bridge piers from structural health monitoring data. J Civil Struct Health Monit 10, 283–295 (2020). https://doi.org/10.1007/s13349-020-00383-7
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DOI: https://doi.org/10.1007/s13349-020-00383-7