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Moisture-induced degradation of interfacial bond in FRP-strengthened masonry

Maljaee, Hamid; Ghiassi, Bahman; Lourenço, Paulo B.; Oliveira, Daniel V.

Authors

Hamid Maljaee

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

Paulo B. Lourenço

Daniel V. Oliveira



Abstract

Externally bonded strengthening of masonry structures using Fiber Reinforced Polymers (FRPs) has been accepted as a promising technique. Although the effectiveness of FRPs in improving the performance of masonry components has been extensively investigated, their long-term performance and durability remain poorly addressed.

This paper, tackling one of the aspects related to durability of these systems, presents an experimental investigation on the effect of long-term (one year) water immersion on the performance of GFRP-strengthened bricks. The tests include materials' mechanical tests, as well as pull-off and single-lap shear bond tests, to investigate the changes in material properties and bond behavior with immersion time, respectively. The effect of mechanical surface treatment on the durability of the strengthened system as well as the reversibility of the degradation upon partial drying are also investigated. The experimental results are presented and critically discussed.

Journal Article Type Article
Publication Date Feb 15, 2016
Journal Composites Part B: Engineering
Print ISSN 1359-8368
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 87
Pages 47-58
APA6 Citation Maljaee, H., Ghiassi, B., Lourenço, P. B., & Oliveira, D. V. (2016). Moisture-induced degradation of interfacial bond in FRP-strengthened masonry. Composites Part B: Engineering, 87, 47-58. doi:10.1016/j.compositesb.2015.10.022
DOI https://doi.org/10.1016/j.compositesb.2015.10.022
Keywords Mechanical Engineering; Industrial and Manufacturing Engineering; Mechanics of Materials; Ceramics and Composites
Publisher URL https://www.sciencedirect.com/science/article/pii/S135983681500640X
Additional Information This article is maintained by: Elsevier; Article Title: Moisture-induced degradation of interfacial bond in FRP-strengthened masonry; Journal Title: Composites Part B: Engineering; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.compositesb.2015.10.022; Content Type: article; Copyright: Copyright © 2015 Elsevier Ltd. All rights reserved.


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