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Flexural Performance of Timber Beams Reinforced with Glass Fiber Reinforced Polymer Rods
https://orcid.org/http://orcid.org/0000-0001-8696-8992
https://orcid.org/http://orcid.org/0000-0003-3738-1719
https://orcid.org/http://orcid.org/0000-0002-6814-5797
https://orcid.org/http://orcid.org/0000-0002-1760-9838
The timber structure is widely used for construction around the world. Strengthening techniques are needed to improve the deteriorated timber element. This paper presents an experimental investigation on timber beams reinforced with glass fiber reinforced polymer (GFRP) rods under flexural loading. A total of eight specimens including two un-strengthened beams (control beam) and six strengthened beams are tested under the four-point bending test. The dimensions of beams are 45 mm in width, 95 mm in depth, and 1,800 mm in length. The GFRP rods are used to strengthen the tension region of the timber beam by the near-surface mount (NSM) technique. Tested variable includes GFRP ratios by volume (i.e., 0, 0.59, 0.88, and 1.32%). The flexural performance in terms of load versus mid-span deflection relationship, ultimate load-carrying capacity, stiffness, and mode of failure are presented. The experimental results indicated that the GFRP rods can enhance the flexural performance (i.e., the initial stiffness and the ultimate load-carrying capacity) when compared with the control specimen. The initial stiffness and ultimate load-carrying capacity were increased up to 58% and 42%, respectively.
Flexural Performance of Timber Beams Reinforced with Glass Fiber Reinforced Polymer Rods
https://orcid.org/http://orcid.org/0000-0001-8696-8992
https://orcid.org/http://orcid.org/0000-0003-3738-1719
https://orcid.org/http://orcid.org/0000-0002-6814-5797
https://orcid.org/http://orcid.org/0000-0002-1760-9838
The timber structure is widely used for construction around the world. Strengthening techniques are needed to improve the deteriorated timber element. This paper presents an experimental investigation on timber beams reinforced with glass fiber reinforced polymer (GFRP) rods under flexural loading. A total of eight specimens including two un-strengthened beams (control beam) and six strengthened beams are tested under the four-point bending test. The dimensions of beams are 45 mm in width, 95 mm in depth, and 1,800 mm in length. The GFRP rods are used to strengthen the tension region of the timber beam by the near-surface mount (NSM) technique. Tested variable includes GFRP ratios by volume (i.e., 0, 0.59, 0.88, and 1.32%). The flexural performance in terms of load versus mid-span deflection relationship, ultimate load-carrying capacity, stiffness, and mode of failure are presented. The experimental results indicated that the GFRP rods can enhance the flexural performance (i.e., the initial stiffness and the ultimate load-carrying capacity) when compared with the control specimen. The initial stiffness and ultimate load-carrying capacity were increased up to 58% and 42%, respectively.
Flexural Performance of Timber Beams Reinforced with Glass Fiber Reinforced Polymer Rods
https://orcid.org/http://orcid.org/0000-0001-8696-8992
https://orcid.org/http://orcid.org/0000-0003-3738-1719
https://orcid.org/http://orcid.org/0000-0002-6814-5797
https://orcid.org/http://orcid.org/0000-0002-1760-9838
The timber structure is widely used for construction around the world. Strengthening techniques are needed to improve the deteriorated timber element. This paper presents an experimental investigation on timber beams reinforced with glass fiber reinforced polymer (GFRP) rods under flexural loading. A total of eight specimens including two un-strengthened beams (control beam) and six strengthened beams are tested under the four-point bending test. The dimensions of beams are 45 mm in width, 95 mm in depth, and 1,800 mm in length. The GFRP rods are used to strengthen the tension region of the timber beam by the near-surface mount (NSM) technique. Tested variable includes GFRP ratios by volume (i.e., 0, 0.59, 0.88, and 1.32%). The flexural performance in terms of load versus mid-span deflection relationship, ultimate load-carrying capacity, stiffness, and mode of failure are presented. The experimental results indicated that the GFRP rods can enhance the flexural performance (i.e., the initial stiffness and the ultimate load-carrying capacity) when compared with the control specimen. The initial stiffness and ultimate load-carrying capacity were increased up to 58% and 42%, respectively.
Flexural Performance of Timber Beams Reinforced with Glass Fiber Reinforced Polymer Rods
Lect. Notes in Networks, Syst.
Huang, Yo-Ping (editor) / Wang, Wen-June (editor) / Quoc, Hoang An (editor) / Le, Hieu-Giang (editor) / Quach, Hoai-Nam (editor) / Thongchom, Chanachai (author) / Van, Chung Nguyen (author) / Lai, Van Qui (author) / Keawsawasvong, Suraparb (author) / Mathuros, Amaras (author)
International Conference on Green Technology and Sustainable Development ; 2022 ; Nha Trang city, Vietnam
Computational Intelligence Methods for Green Technology and Sustainable Development ; Chapter: 18 ; 201-209
2022-12-15
9 pages
Article/Chapter (Book)
Electronic Resource
English
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