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Sustainability
Volume 13
Issue 4
10.3390/su13041864
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Article

The High-Performance Dissipating Frame (HPDF) System for the Seismic Strengthening of RC Existing Buildings

by
Vincenzo Manfredi
,
Giuseppe Santarsiero
,
Angelo Masi
* and
Giuseppe Ventura
School of Engineering, University of Basilicata, vial dell’Ateneo Lucano, 85100 Potenza, Italy
*
Author to whom correspondence should be addressed.
Sustainability 2021, 13(4), 1864; https://doi.org/10.3390/su13041864
Submission received: 27 December 2020 / Revised: 30 January 2021 / Accepted: 8 February 2021 / Published: 9 February 2021
(This article belongs to the Special Issue Low-Impact and Integrated Approaches for Seismic and Energy Retrofit of Built Heritage)
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Abstract

In Italy as well as in other earthquake-prone countries, the large number of existing buildings requiring seismic retrofitting calls for sustainable solutions able to reduce both costs and downtime. To this purpose, in this paper, the High-Performance Dissipating Frame system (HPDF), a new strengthening solution for the seismic rehabilitation of existing buildings, is presented. HPDF is based on external precast reinforced concrete (RC) frames rigidly connected to the existing structures and equipped with shear damper devices in order to provide high dissipation capacity. The proposed solution permits: (i) to increase sustainability through works made up from the outside without removing/demolishing infills/other non-structural components, (ii) rapid execution by adopting precast resisting members mutually restrained with steel connections, and (iii) effectiveness due to shear damper devices able to dissipate a large amount of shaking energy. In the paper, a displacement-based design procedure is proposed and applied to a numerical example.
Keywords: RC existing framed structures; energy dissipation; seismic rehabilitation; strengthening intervention; exoskeleton system RC existing framed structures; energy dissipation; seismic rehabilitation; strengthening intervention; exoskeleton system

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MDPI and ACS Style

Manfredi, V.; Santarsiero, G.; Masi, A.; Ventura, G. The High-Performance Dissipating Frame (HPDF) System for the Seismic Strengthening of RC Existing Buildings. Sustainability 2021, 13, 1864. https://doi.org/10.3390/su13041864

AMA Style

Manfredi V, Santarsiero G, Masi A, Ventura G. The High-Performance Dissipating Frame (HPDF) System for the Seismic Strengthening of RC Existing Buildings. Sustainability. 2021; 13(4):1864. https://doi.org/10.3390/su13041864

Chicago/Turabian Style

Manfredi, Vincenzo, Giuseppe Santarsiero, Angelo Masi, and Giuseppe Ventura. 2021. "The High-Performance Dissipating Frame (HPDF) System for the Seismic Strengthening of RC Existing Buildings" Sustainability 13, no. 4: 1864. https://doi.org/10.3390/su13041864

APA Style

Manfredi, V., Santarsiero, G., Masi, A., & Ventura, G. (2021). The High-Performance Dissipating Frame (HPDF) System for the Seismic Strengthening of RC Existing Buildings. Sustainability, 13(4), 1864. https://doi.org/10.3390/su13041864

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