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Retrofitting Methods for Shear Strengthening of Reinforced Concrete Beams Using CFRP
Due to the ageing of infrastructures, there is a need for repair and rehabilitation of the structures at later stages. The usage of carbon fiber-reinforced polymer for strengthening is one such practice that has become common in the Indian scenario. This paper specifically discusses the comparison of different application methods of carbon fiber-reinforced polymers for enhancing the shear capacity of the reinforced concrete beams. Near surface mounted carbon fiber-reinforced polymer strips, externally bonded carbon fiber-reinforced polymer strips and externally bonded carbon fiber-reinforced polymer strips with U–wrap are the methods adopted for strengthening reinforced concrete beams for shear. Three-point loading flexure tests were conducted on the strengthened beams, and it was found that the near surface mounted method exhibited a 28.5% increase in the shear capacity of the beam. In contrast, the externally bonded method exhibited an 18.5% increase, and externally bonded with U–wrap exhibited a 142% increase in the shear capacity of the beam compared to the control beam.
Retrofitting Methods for Shear Strengthening of Reinforced Concrete Beams Using CFRP
Due to the ageing of infrastructures, there is a need for repair and rehabilitation of the structures at later stages. The usage of carbon fiber-reinforced polymer for strengthening is one such practice that has become common in the Indian scenario. This paper specifically discusses the comparison of different application methods of carbon fiber-reinforced polymers for enhancing the shear capacity of the reinforced concrete beams. Near surface mounted carbon fiber-reinforced polymer strips, externally bonded carbon fiber-reinforced polymer strips and externally bonded carbon fiber-reinforced polymer strips with U–wrap are the methods adopted for strengthening reinforced concrete beams for shear. Three-point loading flexure tests were conducted on the strengthened beams, and it was found that the near surface mounted method exhibited a 28.5% increase in the shear capacity of the beam. In contrast, the externally bonded method exhibited an 18.5% increase, and externally bonded with U–wrap exhibited a 142% increase in the shear capacity of the beam compared to the control beam.
Retrofitting Methods for Shear Strengthening of Reinforced Concrete Beams Using CFRP
Composites sci. and technol.
Singh, Shamsher Bahadur (editor) / Murty, C. V. R. (editor) / Arvindh Raj, R. (author) / Senthilkumar, R. (author)
2024-04-01
11 pages
Article/Chapter (Book)
Electronic Resource
English
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