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预应力CFRP板加固钢筋混凝土梁的延性设计方法 被引量:6

Ductile design of reinforced concrete beams strengthened with prestressed CFRP plates
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摘要 在4根预应力CFRP板加固混凝土梁试验研究的基础上,通过平截面假定以及材料应力应变本构关系进行推导,提出根据确定的目标延性系数反算CFRP板加固面积或初始张拉控制应力的计算方法。计算结果与试验结果比较,计算方法具有良好的适用性,可为实际工程中进行预应力CFRP板加固混凝土梁设计提供参考。 Based on the experiment of 4 reinforced concrete beams strengthened with prestressed CFRP plates, an analytical method is derived for determining the allowable plate area or tension control stress to achieve a targeted value of ductility using the plane section assumption and material constitutive relation.Calculational results are compared with experimental data.Comparisons show that the calculation formulas features good applicability,providing a reference for engineering application of strengthening design.
出处 《混凝土》 CAS CSCD 北大核心 2009年第6期25-27,共3页 Concrete
基金 广西自然科学基金重点项目(0832002Z) 柳州市科学研究与技术开发项目(2008031502) 广西高校优秀人才资助计划项目(RC2007025) 广西研究生教育创新计划资助项目
关键词 预应力 碳纤维板 混凝土梁 延性 试验 prestress carbon fiber reinforced plastics plates ( CFRP plates ) concrete beams ductility test
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  • 1王兴国,周朝阳,曾宪桃,丁亚红.外贴预应力GFRP板加固混凝土梁抗弯试验研究[J].哈尔滨工业大学学报,2005,37(3):351-354. 被引量:34
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