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预应力碳纤维片材加固混凝土梁的非线性分析

The nonlinear analysis for concrete beam strengthened with prestressed CFRP sheets

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【Author】 HU Cheng~(1,2),ZHANG Hong-ya~(2,3)(1.College of Civil Engineering,Southeast University,Nanjing 210096,China;2.School of Civil Engineering,Hefei University of Technology,Hefei 230009,China;3.Anhui Institute of Architecture & Industry,Hefei 230022,China)

【机构】东南大学土木工程学院；合肥工业大学土木建筑工程学院南京210096；合肥工业大学土木建筑工程学院；合肥230009；安徽建筑工业学院学科建设办公室；合肥230022；

【摘要】依据混凝土结构基本理论,分析了预应力碳纤维片材加固混凝土简支梁的受力变形关系,推导出梁截面加载全过程的弯矩曲率关系,给出了预应力施加时的弯矩与曲率、消压弯矩与曲率、开裂弯矩与曲率的计算公式,并运用实例进行了验证。更多还原

【Abstract】 Based on the basic concept of the concrete structure,the load-defection relationship of simple supported concrete beam strengthened by prestressing CFRP sheets was analysed.Its moment-curvatures of all loading phases was deduced,the moment and curvature calculating formulas when applying prestress and eliminating press and cracking of concrete section were also given.An example revealed that all the formulas is reasonable.更多还原

【关键词】预应力；碳纤维；加固；非线性；
【Key words】 prestressing； CFRP； strengthening； nonlinear；

【文献出处】安徽建筑工业学院学报(自然科学版) ,Journal of Anhui Institute of Architecture , 编辑部邮箱 ,2005年06期

【分类号】TU378.2
【被引频次】3
【下载频次】92

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