Abstract
Observations from recent earthquakes have repeatedly demonstrated that damage to non-structural elements can significantly compromise the capacity of critical facilities to continue services during times of crises. Performance-based seismic design requires the harmonization of performances between structural and non-structural elements. Among the multitude of non-structural typologies, the seismic performance of piping systems is of paramount importance in order to guarantee the immediate post-event functionality of critical facilities. Few research studies are available in the literature that provide information on the seismic response of piping systems, and in particular of suspended piping restraint installations. This paper presents and discusses the results of an experimental program designed to evaluate the seismic behavior of suspended piping restraint installations. Four typologies of suspended piping restraint installations were tested under monotonic and reversed cyclic loading to determine their hysteretic responses and failure modes and to evaluate key response parameters.
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Acknowledgements
The experimental study described in this paper was conducted as part of a collaborative research program between Hilti Corporation and the European Centre for Training and Research in Earthquake Engineering (EUCENTRE). The authors are grateful to Hilti Corporation for funding the experimental program. The technical staff of the ShakeLab Laboratory at EUCENTRE is also gratefully acknowledged for conducting the testing program described in this paper. The work has been also developed within the framework of the project “Dipartimenti di Eccellenza”, funded by the Italian Ministry of University and Research (MUIR) at the University School for Advanced Studies IUSS Pavia.
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Perrone, D., Filiatrault, A., Peloso, S. et al. Experimental seismic response evaluation of suspended piping restraint installations. Bull Earthquake Eng 18, 1499–1524 (2020). https://doi.org/10.1007/s10518-019-00755-5
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DOI: https://doi.org/10.1007/s10518-019-00755-5