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Experimental Study of Crack-resistance and Stiffness in Sercice Load of Concrete Beams Strengthened with CFRP
Author(s): 
Pages: 53-57
Year: Issue:  5
Journal: Earthquake Resistant Engineering and Retrofitting

Keyword:  钢筋混凝土梁碳纤维加固承载力刚度;
Abstract: 采用CFRP加固钢筋混凝土梁是一种有效便捷的加固方法,其在实际工程中的应用日益广泛,但是近年来大多的研究集中在加固后结构的极限承载能力方面.本文通过5根钢筋混凝土梁(1根对比梁,4根加固梁)的试验,研究了加固梁正常使用荷载下的刚度、裂缝形态和挠度等使用性能.试验结果表明,采用CFRP加固后,钢筋混凝土梁正常使用荷载和截面的抗弯刚度等均有很大程度的提高,裂缝形态有较为明显的改善.
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