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Cyclic shear tests on RC precast beam-to-column connections retrofitted with a three-hinged steel device

Cyclic shear tests on RC precast beam-to-column connections retrofitted with a three-hinged steel device

Magliulo, Gennaro, Cimmino, Maddalena, Ercolino, Marianna ORCID: 0000-0001-8678-0631 and Manfredi, Gaetano (2017) Cyclic shear tests on RC precast beam-to-column connections retrofitted with a three-hinged steel device. Bulletin of Earthquake Engineering, 15 (9). pp. 3797-3817. ISSN 1570-761X (Print), 1573-1456 (Online) (doi:https://doi.org/10.1007/s10518-017-0114-x)

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Abstract

Recent European earthquakes demonstrated that the seismic response of RC precast structures can be significantly influenced by the connection systems. Moreover, during past seismic events, many failures of the beam-to-column connections occurred due to their inadequate strength under seismic loads. The seismic safety of these connections has a crucial role in the overall seismic capacity of existing precast structures.

A new connection system is employed as a retrofitting solution for a damaged beam-to-column connection and its cyclic shear performance is investigated by means of two cyclic shear tests on two different configurations. In both the experimental tests, the results demonstrate an efficient behavior of the retrofitted connections under horizontal cyclic loads. The comparison between the performance of the investigated connection and the response of a typical beam-to-column dowel connection allows to discuss the main critical features of the dowel connection system.

Item Type: Article
Uncontrolled Keywords: RC precast buildings; Beam-to-column connections; Cyclic shear tests; Seismic retrofitting; Three-hinged steel system
Subjects: T Technology > TH Building construction
Faculty / School / Research Centre / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENG)
Last Modified: 22 Oct 2020 16:07
URI: http://gala.gre.ac.uk/id/eprint/16608

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