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Open AccessArticle

Seismic Acceleration and Displacement Demand Profiles of Non-Structural Elements in Hospital Buildings

1
University School for Advanced Studies IUSS Pavia, 27100 Pavia, Italy
2
Department of Engineering for Innovation, University of Salento, 73100 Lecce, Italy
3
European Centre for Training and Research in Earthquake Engineering (EUCENTRE), 27100 Pavia, Italy
*
Author to whom correspondence should be addressed.
Buildings 2020, 10(12), 243; https://doi.org/10.3390/buildings10120243
Received: 23 October 2020 / Revised: 8 December 2020 / Accepted: 11 December 2020 / Published: 15 December 2020
(This article belongs to the Special Issue Structural Analysis for Earthquake-Resistant Design of Buildings)
The importance of non-structural elements in performance-based seismic design of buildings is presently widely recognized. These elements may significantly affect the functionality of buildings even for low seismic intensities, in particular for the case of critical facilities, such as hospital buildings. One of the most important issues to deal with in the seismic performance assessment of non-structural elements is the definition of the seismic demand. This paper investigates the seismic demand to which the non-structural elements of a case-study hospital building located in a medium–high seismicity region in Italy, are prone. The seismic demand is evaluated for two seismic intensities that correspond to the definition of serviceability limit states, according to Italian and European design and assessment guidelines. Peak floor accelerations, interstorey drifts, absolute acceleration, and relative displacement floor response spectra are estimated through nonlinear time–history analyses. The absolute acceleration floor response spectra are then compared with those obtained from simplified code formulations, highlighting the main shortcomings surrounding the practical application of performance-based seismic design of non-structural elements. The absolute acceleration floor response spectra are then compared with those obtained from simplified code formulations. The results, both in terms of absolute acceleration and relative displacement floor response spectra, highlighted the influence of the higher modes of the structure and the inaccuracy of the code provisions, pointing out the need for more accurate simplified methodologies for the practical application of performance-based seismic design of non-structural elements. View Full-Text
Keywords: non-structural elements; floor response spectra; peak floor acceleration; hospital buildings; nonlinear dynamic analysis non-structural elements; floor response spectra; peak floor acceleration; hospital buildings; nonlinear dynamic analysis
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MDPI and ACS Style

Gabbianelli, G.; Perrone, D.; Brunesi, E.; Monteiro, R. Seismic Acceleration and Displacement Demand Profiles of Non-Structural Elements in Hospital Buildings. Buildings 2020, 10, 243. https://doi.org/10.3390/buildings10120243

AMA Style

Gabbianelli G, Perrone D, Brunesi E, Monteiro R. Seismic Acceleration and Displacement Demand Profiles of Non-Structural Elements in Hospital Buildings. Buildings. 2020; 10(12):243. https://doi.org/10.3390/buildings10120243

Chicago/Turabian Style

Gabbianelli, Giammaria; Perrone, Daniele; Brunesi, Emanuele; Monteiro, Ricardo. 2020. "Seismic Acceleration and Displacement Demand Profiles of Non-Structural Elements in Hospital Buildings" Buildings 10, no. 12: 243. https://doi.org/10.3390/buildings10120243

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