建筑结构

2001, (03) 3-5+12

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碳纤维布加固混凝土构件正截面受弯承载力分析
Analysis and Calculation of Flexural Strength of RC Members Strengthened with CFRP Sheet

叶列平,崔卫,岳清瑞,胡孔国
Ye Lieping\ Cui Wei\ Yue Qingrui et al.( 3 )

摘要(Abstract):

根据碳纤维布加固钢筋混凝土构件受弯性能的试验研究 ,对受弯破坏形态、极限状态和设计要求进行了讨论。利用基于平截面假定的正截面受弯承载力的计算理论 ,分析了配筋率、加固量及二次受力等因素的影响。在此基础上提出了正截面受弯承载力的实用计算方法 ,计算结果与试验结果吻合较好 ,并具有一定的可靠性 ,可供设计参考。
Based on the experimental researches on the flexural behaviors of reinforced concrete members strengthened with carbon fiber reinforced polymer(CFRP)sheet, the failure modes, ultimate flexural limit states and design requirements are discussed. With theoretical method based on the assumption of plane section, the influence of steel reinforcement ratio, CFRP amount and initial loading level on the flexural strength is analyzed. With the analyzed results, a practical calculation method for the flexural strength is suggested. The calculation results agree with the test results with reasonable reliability.

关键词(KeyWords): 钢筋混凝土;碳纤维布;加固;受弯承载力
reinforced concrete; carbon fiber reinforced polymer; strengthening; flexural strength

Abstract:

Keywords:

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作者(Author): 叶列平,崔卫,岳清瑞,胡孔国
Ye Lieping\ Cui Wei\ Yue Qingrui et al.( 3 )

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DOI: 10.19701/j.jzjg.2001.03.001

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