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Bond behaviour of FRP strengthening applied on curved masonry substrates: numerical study

Grande, Ernesto; Milani, Gabriele; Formisano, Antonio; Ghiassi, Bahman; Fabbrocino, Francesco

Authors

Ernesto Grande

Gabriele Milani

Antonio Formisano

BAHMAN GHIASSI BAHMAN.GHIASSI@NOTTINGHAM.AC.UK
Assistant Professor in Structural Engineering

Francesco Fabbrocino



Abstract

Aim of the present paper is to numerically investigate the bond behaviour of FRP strengthening systems externally applied on curved masonry specimens. In particular, considering the simple spring-model approach proposed by the authors in previous research, a new constitutive law derived from the work of Thorenfeld et al. (1987) is here proposed by also considering the coupled behaviour between shear and normal forces at the reinforcement/masonry interface. Numerical analyses are developed with reference to case studies deduced from the literature and consisting of shear lap bond tests of curved masonry specimens characterised by different values of the geometric curvature and different strengthening configurations. The obtained results show the ability of the proposed modelling approach in capturing some effects, such as the beneficial friction effect when compression normal stresses develop at the interface level.

Citation

Grande, E., Milani, G., Formisano, A., Ghiassi, B., & Fabbrocino, F. (2020). Bond behaviour of FRP strengthening applied on curved masonry substrates: numerical study. International Journal of Masonry Research and Innovation, 5(3), 303-320. https://doi.org/10.1504/ijmri.2020.107980

Journal Article Type Article
Acceptance Date Mar 26, 2019
Online Publication Date Apr 2, 2020
Publication Date Apr 2, 2020
Deposit Date Aug 20, 2020
Publicly Available Date Apr 3, 2021
Journal International Journal of Masonry Research and Innovation
Print ISSN 2056-9459
Electronic ISSN 2056-9467
Publisher Inderscience
Peer Reviewed Peer Reviewed
Volume 5
Issue 3
Pages 303-320
DOI https://doi.org/10.1504/ijmri.2020.107980
Public URL https://nottingham-repository.worktribe.com/output/4844837
Publisher URL http://www.inderscience.com/offer.php?id=107980

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