黎雅乐,高建勇,罗 敏,赵 军,时任毅
黎雅乐,高建勇,罗敏,等.CFRP布加固钢筋混凝土梁抗弯性能试验研究[J].混凝土与水泥制品,2017(4):51-53.
LI Y L, GAO J Y, LUO M,et al.Experimental Research on Flexural Capacity of CFRP Cloth Reinforced Concrete Beam[J].China Concrete and Cement Products,2017(4):51-53.
CFRP布加固钢筋混凝土梁抗弯性能试验研究
黎雅乐,高建勇,罗 敏,赵 军,时任毅
黎雅乐,高建勇,罗敏,等.CFRP布加固钢筋混凝土梁抗弯性能试验研究[J].混凝土与水泥制品,2017(4):51-53.
LI Y L, GAO J Y, LUO M,et al.Experimental Research on Flexural Capacity of CFRP Cloth Reinforced Concrete Beam[J].China Concrete and Cement Products,2017(4):51-53.
摘 要:为能够合理粘贴CFRP布、有效提高钢筋混凝土梁的抗弯承载能力,开展了CFRP布加固钢筋混凝土梁的抗弯性能试验,并比较了三种加固方案的加固效果。结果表明:增加CFRP布的粘贴片数不能持续提高抗弯承载力;在梁体两侧粘贴CFRP布综合加固效果更佳;梁间间断设CFRP的U型箍可以减缓纵向CFRP布与混凝土间的界面剥离。
Abstract: The Carbon Fiber Reinforced polymer(CFRP) cloth pasted on the concrete beams in order to enhance the flexural capacity of the members, has been widely used in buildings, bridges and other engineering structures. To strengthen effectively bending load capacity with reasonable CFRP arrangement, experimental study on bending properties of reinforced concrete beams strengthened with CFRP sheets and comparison of reinforcement effect of 3 reinforcement schemes were carried out. The results show the flexural capacity is not continuing improved with the increase of CFRP sheets number. It is better to paste the CFRP cloth on both sides of the beam. The intermittent CFRP U band between beam supports can reduce the interfacial debonding between longitudinal pasted CFRP and concrete surface.
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