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Robustness of 3D Base-Isolated R.C. Systems with FPS

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Proceedings of Italian Concrete Days 2018 (ICD 2018)

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 42))

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Abstract

This study evaluates the seismic robustness of 3D r.c. structures isolated with single-concave friction pendulum system (FPS) devices by computing the seismic reliability of different models related to different malfunction cases of the seismic isolators. Considering the elastic response pseudo-acceleration as the relevant random variable, the input data have been defined by means of the Latin Hypercube Sampling technique in order to develop 3D inelastic time-history analyses. In this way, bivariate structural performance curves at each level of the r.c. structural systems as well as seismic reliability-based design abacuses for the FP devices have been computed and compared in order to evaluate the robustness of the r.c. system considering different failure cases of the FP bearings. Moreover, the seismic robustness is examined by considering both a configuration equipped with beams connecting the substructure columns and a configuration without these connecting beams in order to demonstrate their effectiveness and provide useful design recommendations for base-isolated structural systems equipped with FPS.

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Authors and Affiliations

  1. Department of Structural, Geotechnical and Building Engineering, Politecnico Di Torino, Turin, Italy

    P. Castaldo & G. Mancini

  2. Department of Civil Engineering, University of Salerno, Salerno, Italy

    B. Palazzo

Authors
  1. P. Castaldo
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  2. G. Mancini
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  3. B. Palazzo
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Corresponding author

Correspondence to P. Castaldo .

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Editors and Affiliations

  1. Dipartimento Ingegneria Civile, Politecnico di Milano, Milan, Milano, Italy

    Marco di Prisco

  2. AICAP, Rome, Roma, Italy

    Marco Menegotto

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Castaldo, P., Mancini, G., Palazzo, B. (2020). Robustness of 3D Base-Isolated R.C. Systems with FPS. In: di Prisco, M., Menegotto, M. (eds) Proceedings of Italian Concrete Days 2018. ICD 2018. Lecture Notes in Civil Engineering, vol 42. Springer, Cham. https://doi.org/10.1007/978-3-030-23748-6_2

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  • DOI: https://doi.org/10.1007/978-3-030-23748-6_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-23747-9

  • Online ISBN: 978-3-030-23748-6

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