2011
DOI: 10.4028/www.scientific.net/amm.71-78.3810
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Crack Resistant Performance and Crack Width of one-Way Slabs Strengthened with FRP

Abstract: Based on the tests of six reinforced concrete slabs strengthened with fibre reinforced plastic (FRP) sheets and one reference slab without the sheet, the influences of factors such as type of FRP sheets (CFRP and GFRP), amount of FRP sheets and strengthening scheme upon the crack resistant performance were presented and discussed in this paper. In the end, a calculation method was put forward, which can be used to calculate cracking moment and crack width in reinforced concrete slabs strengthened with FRP shee… Show more

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Cited by 3 publications
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“…That fact has proven that both GFRP and steel reinforcement affects the cracking moment of hybrid GFRP/steel RC beams, but the contribution of GFRP reinforcement in this stage is negligible as compared to steel, and the stress in GFRP is about 0.44% to 0.73% of ultimate tensile strength. These results are consistent with the findings reported by most other researchers [27][28]31] and are contrary to the results presented in [32]. In addition, experimental research results show that, as the first crack appears, the maximum tensile strain in the outermost concrete fiber ( , ) reaches the value of 1.47×10 -4 to 1.86×10 -4 , which meets the recommended ultimate tensile strain of concrete = 1.5×10 -4 in SP 63.13330:2018 [33].…”
Section: Resultssupporting
confidence: 94%
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“…That fact has proven that both GFRP and steel reinforcement affects the cracking moment of hybrid GFRP/steel RC beams, but the contribution of GFRP reinforcement in this stage is negligible as compared to steel, and the stress in GFRP is about 0.44% to 0.73% of ultimate tensile strength. These results are consistent with the findings reported by most other researchers [27][28]31] and are contrary to the results presented in [32]. In addition, experimental research results show that, as the first crack appears, the maximum tensile strain in the outermost concrete fiber ( , ) reaches the value of 1.47×10 -4 to 1.86×10 -4 , which meets the recommended ultimate tensile strain of concrete = 1.5×10 -4 in SP 63.13330:2018 [33].…”
Section: Resultssupporting
confidence: 94%
“…6. It is well known that the cracking moment depends on beam dimensions, properties of materials, and reinforcement ratios [28,30]. It can be seen in Figs.…”
Section: Resultsmentioning
confidence: 98%
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