<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents the results of preliminary tests focused on the strengthening of laminated veneer lumber (LVL) beams with aramid fibre-reinforced polymer (AFRP) and glass fibre-reinforced polymer (GFRP) sheets. Edgewise bending tests were performed on elements throught 4-point loading. The following two types of strengthening arrangements were investigated: sheets bonded to the bottom face along the entire length of the element, and a U-shaped half-wrapped type of reinforcement. The reinforcement ratios of the beams strengthened with GFRP sheets were 0.3% and 1.0% for the first and second strengthening arrangements, respectively; for the beams strengthened with AFRP sheets, these ratios were 0.2% and 0.64%, respectively. The experimental data revealed an increase in both the bending strength and the stiffness in bending of the strengthened elements. The failure mode was dependent upon the type of the strengthening configuration.</p></abstract>

This paper presents the results of preliminary tests focused on the strengthening of laminated veneer lumber (LVL) beams with aramid fibre-reinforced polymer (AFRP) and glass fibre-reinforced polymer (GFRP) sheets. Edgewise bending tests were performed on elements throught 4-point loading. The following two types of strengthening arrangements were investigated: sheets bonded to the bottom face along the entire length of the element, and a U-shaped half-wrapped type of reinforcement. The reinforcement ratios of the beams strengthened with GFRP sheets were 0.3% and 1.0% for the first and second strengthening arrangements, respectively; for the beams strengthened with AFRP sheets, these ratios were 0.2% and 0.64%, respectively. The experimental data revealed an increase in both the bending strength and the stiffness in bending of the strengthened elements. The failure mode was dependent upon the type of the strengthening configuration.

The Flexural Capacity of Laminated Veneer Lumber Beams Strengthened with AFRP and GFRP Sheets

Faculty of Civil Engineering and Architecture, Department of the Strength of Materials, Concrete Structures and Bridges

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

This paper presents the results of preliminary tests focused on the strengthening of laminated veneer lumber (LVL) beams with aramid fibre-reinforced polymer...

The Flexural Capacity of Laminated Veneer Lumber Beams Strengthened with AFRP and GFRP Sheets

Published Online: May 16, 2020

Page range: 85 - 95

Received: Feb 06, 2019

DOI: https://doi.org/10.4467/2353737XCT.19.023.10159

Keywords
LVL, fabrics, timber structures, aramid fibres, glass fibres, strengthening

© 2020 Michał Bakalarz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

The Flexural Capacity of Laminated Veneer Lumber Beams Strengthened with AFRP and GFRP Sheets

Published Online: May 16, 2020

Page range: 85 - 95

Received: Feb 06, 2019

DOI: https://doi.org/10.4467/2353737XCT.19.023.10159

KeywordsLVL, fabrics, timber structures, aramid fibres, glass fibres, strengthening

© 2020 Michał Bakalarz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Keywords
LVL, fabrics, timber structures, aramid fibres, glass fibres, strengthening