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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Faramarzi, Asaad
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2021Effect of transverse and longitudinal reinforcement ratios on the behaviour of RC T-beams shear-strengthened with embedded FRP barscitations
- 2019Effect of existing steel-to-embedded FRP shear reinforcement ratio on the behaviour of reinforced concrete T-beams
- 2015Predicting the probability of failure of cementitious sewer pipes using stochastic finite element methodcitations
- 2014Advanced numerical and analytical methods for assessing concrete sewers and their remaining service life
- 2014An evolutionary approach to modelling concrete degradation due to sulphuric acid attackcitations
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document
Effect of existing steel-to-embedded FRP shear reinforcement ratio on the behaviour of reinforced concrete T-beams
Abstract
<p>This paper examines the behaviour of reinforced concrete (RC) T-beams strengthened in shear withdeep embedment (DE) glass fibre reinforced polymer (GFRP) bars. Tests were conducted on a controlbeam as well as two DE GFRP-strengthened beams with existing steel-to-FRP shear reinforcementratios of 0.44 and 0.88. The shear strength enhancement decreased from 38.1% to 4.8% with theincrease in steel-to-FRP shear reinforcement ratio from 0.44 to 0.88. The strengthened beams had aslightly higher cracked stiffness due to the presence of the DE GFRP bars, which resisted inclined crackopening and consequently controlled deflection. The presence of DE GFRP bars resulted in a 58%reduction in the concrete contribution to shear resistance. The FRP contribution to shear resistancedecreased by 48% with the increase in steel-to-FRP shear reinforcement ratio. Comparison betweenexperimental results and TR55 predictions showed that TR55 significantly underestimate both thestrengthened shear force capacity and the FRP contribution to shear resistance.</p>