碳纤维布用于钢筋混凝土梁抗弯加固的试验研究
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吴 刚 安 琳 吕志涛
(东南大学土木工程学院 南京 210096)[提要] 在20根梁的试验基础上,对用碳纤维布加固钢筋混凝土梁后的受弯破坏特征及对梁的极限承载力、刚度等的影响进行了研究与分析,提出了相应的设计方法与建议,供工程应用参考。
[关键词] 受弯 梁 刚度 碳纤维布 破坏特征 极限承载力Based on the tests of twenty beams,the influence of failure type,the ultimate strength and che stiffness of reinforced concrete beams strengthened with externally bonded carbon fiber reinforced sheet were re. searched and analysed,which can give reference to application.
Keywords: bending; beam; stiffness;Carbon fiber reinforced sheet; failure type; ultimate strength