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Repair of composite-to-masonry bond using flexible matrix

Kwiecień, Arkadiusz; de Felice, Gianmarco; Oliveira, Daniel V.; Zając, Bogusław; Bellini, Alessandro; De Santis, Stefano; Ghiassi, Bahman; Lignola, Gian Piero; Lourenço, Paulo B.; Mazzotti, Claudio; Prota, Andrea

Authors

Arkadiusz Kwiecień

Gianmarco de Felice

Daniel V. Oliveira

Bogusław Zając

Alessandro Bellini

Stefano De Santis

BAHMAN GHIASSI BAHMAN.GHIASSI@NOTTINGHAM.AC.UK
Assistant Professor in Structuralengineering

Gian Piero Lignola

Paulo B. Lourenço

Claudio Mazzotti

Andrea Prota



Abstract

The paper presents an experimental investigation on an innovative repair method, in which composite reinforcements, after debonding, are re-bonded to the substrate using a highly deformable polymer. In order to assess the effectiveness of this solution, shear bond tests were carried out on brick and masonry substrates within two Round Robin Test series organized by the RILEM TC 250-CSM: Composites for the Sustainable strengthening of Masonry. Five laboratories from Italy, Poland and Portugal were involved. The shear bond performance of the reinforcement systems before and after repair were compared in terms of ultimate loads, load–displacement curves and strain distributions. The results showed that the proposed repair method may provide higher strength and ductility than stiff epoxy resins, making it an effective and cost efficient technique for several perspective structural applications.

Journal Article Type Article
Publication Date 2016-07
Journal Materials and Structures
Print ISSN 1359-5997
Electronic ISSN 1871-6873
Publisher BMC
Peer Reviewed Peer Reviewed
Volume 49
Issue 7
Pages 2563-2580
APA6 Citation Kwiecień, A., de Felice, G., Oliveira, D. V., Zając, B., Bellini, A., De Santis, S., …Prota, A. (2016). Repair of composite-to-masonry bond using flexible matrix. Materials and Structures, 49(7), 2563-2580. doi:10.1617/s11527-015-0668-5
DOI https://doi.org/10.1617/s11527-015-0668-5
Keywords Masonry; Repair; Shear bond test; Polymer; PS; FRP; SRP
Publisher URL https://link.springer.com/article/10.1617%2Fs11527-015-0668-5
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