| 预应力碳纤维加固钢筋混凝土梁的试验研究 |
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| 引用本文： | 李春良.预应力碳纤维加固钢筋混凝土梁的试验研究[J].吉林建筑工程学院学报,2010,27(2):9-12,22. |
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| 作者姓名： | 李春良 |
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| 作者单位： | 吉林建筑工程学院交通科学与工程学院,长春,130021;吉林大学交通学院,长春,130022 |
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| 基金项目： | 吉林建筑工程学院青年科技发展基金项目(J20091086);;吉林建筑工程学院博士科研启动基金(2008) |
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| 摘 要： | 为揭示预应力碳纤维加固钢筋混凝土梁结构的受力机理和加固效果,对预应力碳纤维加固的混凝土梁进行了试验研究,提出了简易的预应力施加方法.研究了不同初始张拉值情况下加固梁的开裂荷载、屈服荷载、极限荷载的变化,以及承载过程中加固梁体裂缝的发展情况和破坏形式,论证了预应力碳纤维加固法优势和可行性.结果表明：预应力碳纤维加固法,对增加钢筋混凝土梁的抗弯刚度、改善加固结构的抗弯性能和构件的延性方面的影响较大,为预应力碳纤维加固混凝土梁领域提供了依据.
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| 关 键 词： | 预应力碳纤维 混凝土梁 粘贴方式 抗弯性能 |
Experimental Research on Concrete Structure Strengthened With Prestressed CFRP Sheets |
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| LI Chun-liang.Experimental Research on Concrete Structure Strengthened With Prestressed CFRP Sheets[J].Journal of Jilin Architectural and Civil Engineering,2010,27(2):9-12,22. |
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| Authors: | LI Chun-liang |
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| Affiliation: | 1:School of Communication Science and Engineering;Jilin Institute of Architecture and Civil Engineering;Changchun;China 130021;2:Collage of Transportation;Jilin Univeresity;China 130022 |
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| Abstract: | In order to reveal the strengthening effect and the mechanical mechanism of the RC beams strengthened with pestressed CFRP sheets,the experiments have been conducted for the RC beams strengthened with pestressed CFRP sheets on flexural performance and mechanical performance,and a simple method for prestressing was proposed.The character of destroy and the course of crack of the RC beams strengthened with pestressed CFRP sheets are expatiated.And the changes of carrying capacity,flexibility and rigidity are ... |
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| Keywords: | pestressed CFRP RC beam the way of gluing flexural performance |
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