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

Maljaee, Hamid; Ghiassi, Bahman; Louren�o, Paulo B.; Oliveira, Daniel V.

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.

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. https://doi.org/10.1016/j.compositesb.2015.10.022

• Journal Article Type: Article
• Acceptance Date: Oct 6, 2015
• Online Publication Date: Oct 30, 2015
• Publication Date: Feb 15, 2016
• Deposit Date: Nov 27, 2018
• Journal: Composites Part B: Engineering
• Print ISSN: 1359-8368
• Electronic ISSN: 1879-1069
• Publisher: Elsevier
• Peer Reviewed: Peer Reviewed
• Volume: 87
• Pages: 47-58
• DOI: https://doi.org/10.1016/j.compositesb.2015.10.022
• Keywords: Mechanical Engineering; Industrial and Manufacturing Engineering; Mechanics of Materials; Ceramics and Composites
• Public URL: https://nottingham-repository.worktribe.com/output/1314729
• 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.