Enhancing the Seismic Response of Residential RC Buildings with an Innovative Base Isolation Technique

Asma Belbachir, Abdelkader Benanane, Abderrahmane Ouazir, Zouaoui R. Harrat (), Marijana Hadzima-Nyarko, Dorin Radu, Ercan Işık, Zouhir S. M. Louhibi and Sofiane Amziane
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Asma Belbachir: Laboratory of Materials and Processes of Construction, Abdelhamid Ibn-Badis University, Mostaganem 27000, Algeria
Abdelkader Benanane: Laboratory of Materials and Processes of Construction, Abdelhamid Ibn-Badis University, Mostaganem 27000, Algeria
Abderrahmane Ouazir: Laboratory of Materials and Processes of Construction, Abdelhamid Ibn-Badis University, Mostaganem 27000, Algeria
Zouaoui R. Harrat: Laboratoire des Structures et Matériaux Avancés dans le Génie Civil et Travaux Publics, University of Djillali Liabes, Sidi Bel-Abbes 22000, Algeria
Marijana Hadzima-Nyarko: Department of Civil Engineering, Josip Juraj Strossmayer University of Osijek, Vladimira Preloga 3, 31000 Osijek, Croatia
Dorin Radu: Faculty of Civil Engineering, Transilvania University of Brașov, Turnului Street No. 5, 500152 Brașov, Romania
Ercan Işık: Department of Civil Engineering, Bitlis Eren University, 13100 Bitlis, Turkey
Zouhir S. M. Louhibi: Laboratory of Civil Engineering and Environment, Djillali Liabes University, Sidi Bel-Abbes 22000, Algeria
Sofiane Amziane: Institut Pascal, UMR 6602, Clermont Auvergne University, CNRS, Sigma, 63000 Clermont-Ferrand, France

Sustainability, 2023, vol. 15, issue 15, 1-24

Abstract: The prediction of the magnitude and impact of forthcoming earthquakes remains an elusive challenge in the field of science. Consequently, extensive research efforts have been directed toward the development of earthquake-resistant design strategies aimed at mitigating building vibrations. This study focuses on the efficacy of fluid viscous dampers (FVDs) in augmenting the seismic response of a low-rise residential reinforced-concrete building, which is base-isolated, using high–damping rubber bearings (HDRBs). The structural analysis employs a non-linear approach, employing ETABS v16 software for building modeling and conducting non-linear dynamic analysis using artificial accelerograms specific to Algeria. Three distinct connection configurations to the building’s base are investigated: (1) a fixed-base structure; (2) a structure isolated by HDRBs; and (3) a structure isolated utilizing a novel parallel arrangement of HDRBs in conjunction with FVDs. Comparative evaluation of these configurations reveals noteworthy findings; the results demonstrate that the base isolation system, comprising HDRBs and FVDs, significantly diminishes the base shear force by over 80% and reduces acceleration by 54% while concurrently increasing displacement by 47%. These findings underscore the effectiveness of incorporating FVDs in conjunction with HDRBs as a means to enhance the seismic response of reinforced concrete buildings. This study showcases the potential of such structural analyses to contribute to the development of earthquake-resistant design approaches, providing valuable insights for architects and engineers involved in constructing resilient buildings in seismically active regions.

Keywords: seismic isolation; base shear; inter-story displacement; high-damping rubber bearings; fluid viscous dampers; artificial accelerogram (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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