| 碳纤维板加固钢筋混凝土梁和预应力钢筋混凝土梁的抗弯性能试验研究 |
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| 引用本文： | 李夏,李晨光,刘航.碳纤维板加固钢筋混凝土梁和预应力钢筋混凝土梁的抗弯性能试验研究[J].建筑技术开发,2008(3). |
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| 作者姓名： | 李夏 李晨光 刘航 |
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| 作者单位： | 北京市建筑工程研究院; |
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| 摘 要： | 用碳纤维板对2根钢筋混凝土梁和2根预应力钢筋混凝土梁进行了加固处理,对加固后梁的受弯性能进行了试验研究。试验结果表明:使用碳纤维板来提高钢筋混凝土梁和预应力混凝土梁的正截面承载力的方法是有效的,并且能较好地约束裂缝的发展。
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| 关 键 词： | 碳纤维板 抗弯加固 受弯承载力 裂缝 |
EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS AND PRESTRESSED REINFORCED CONCRETE BEAMS STRENGTHENED WITH CARBON FIBER REINFORCED POLYMERS(CFRP)PLATES |
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| Li Xia Li Chen-guang Liu Hang.EXPERIMENTAL STUDY ON THE FLEXURAL BEHAVIOR OF REINFORCED CONCRETE BEAMS AND PRESTRESSED REINFORCED CONCRETE BEAMS STRENGTHENED WITH CARBON FIBER REINFORCED POLYMERS(CFRP)PLATES[J].Building Technique Development,2008(3). |
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| Authors: | Li Xia Li Chen-guang Liu Hang |
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| Abstract: | In this paper,two reinforced concrete beams and two prestressed reinforced concrete beams strengthened with carbon fiber reinforced polymers(CFRP)plates were tested to investigate the flexural behavior.The experimental results indicated that CFRP plates can increase the yield load when the longitudinal reinforcement reached its yield point and the ultimate load of beams reinforced concrete beams and prestressed reinforced concrete beams subjected to bending,and the propagation of crack was reduced obviously... |
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| Keywords: | CFRP plates Flexural strengthening Flexural load-carrying capacity Crack |
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