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Type: Journal article
Title: Lightweight timber I-beams reinforced by composite materials
Author: Ghanbari-Ghazijahani, T.
Russo, T.
Valipour, H.
Citation: Composite Structures, 2020; 233:111579-1-111579-13
Publisher: Elsevier
Issue Date: 2020
ISSN: 0263-8223
Statement of
Tohid Ghanbari-Ghazijahani, Thomas Russo, Hamid R. Valipour
Abstract: Due to high performance, I-beams are one of the most common flexural members in the construction industry. This research experimentally and numerically investigates bending and shear strengths of lightweight composite I-beams made of timber with a view to enhancing the structural performance of the I-beams by reinforcing them using composite materials. Failure of the plain (unreinforced) specimens was examined by preliminary tests, and these results were then used to develop different strengthening strategies with respect to the principles of composite functionality. The efficiency of developed strengthening methods was experimentally examined, wherein load carrying capacity was increased by 70%. Additionally, a substantial amount of energy absorption and ductility boost was obtained for the reinforced composite beams relative to the plain specimens. FEA models reliably predicted and verified the experimental results of this research.
Keywords: I-beams; timber; steel; CFRP; composite beams; bending; reinforcement; new reinforcement material (hessian fabric); experiments; finite element analysis (FEA)
Rights: © 2019 Elsevier Ltd. All rights reserved.
RMID: 1000009044
DOI: 10.1016/j.compstruct.2019.111579
Appears in Collections:Civil and Environmental Engineering publications

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