CFRP-PCPs复合筋嵌入抗剪加固梁的试验和设计方法研究  

EXPERIMENT AND DESIGN METHOD OF THE COMPOSITE REINFORCED CFRP-PCPS PRISM EMBEDDED IN SHEAR STRENGTHENED BEAMS

作　　者：邓宇[1] 甘德丽[1] 杨勇[2] 杨希涛 张鹏[1] 钟卿瑜 

机构地区：[1]广西科技大学土木建筑工程学院,柳州545006 [2]西安建筑科技大学土木工程学院,西安710055

出　　处：《玻璃钢／复合材料》2016年第12期5-10,共6页Fiber Reinforced Plastics/Composites

基　　金：国家自然科学基金项目(51168006);广西高校科学技术研究重点项目(ZD2014076);广西自然科学基金项目(2015GXNSFAA139263);柳州市科学研究与技术开发计划项目(2014B020204);广西工学院自然科学基金项目(院科自1074018)

摘　　要：通过9根CFRP-PCPs复合筋嵌贴加固混凝土梁的抗剪试验,考虑不同嵌贴间距、不同嵌贴角度、复合筋不同张拉控制应力以及不同材质制成的嵌入式复合筋等参数对混凝土梁抗剪加固的影响效果;并对嵌入式CFRP-PCPs复合筋抗剪加固混凝土梁构件的破坏形式进行了分析。根据试验提出了抗剪加固承载力计算公式,将试验值与计算值进行比较,结果较为吻合。试验结果表明,CFRP-PCPs复合筋棱柱体对混凝土梁的抗剪性能有明显的提高作用。In this paper,the shear test of 9 reinforced concrete beams strengthened with CFRP-PCPs composite bars is carried out. The effects of different parameters on the shear strengthening of concrete beams are considered,including different embedding distance,different embedding angles,different tension control stress and embedded composite bars made of different materials. And,the destruction form of reinforced concrete beams strengthened with embedded CFRP-PCPs composite bars is analyzed. According to the experiment,the calculation formula of shear strength is obtained. Comparison results show that the calculated values agree well with the experimental results. The experimental results indicate that the composite reinforced CFRP-PCPs prism has significant effects on the shear behavior of concrete beams.

关 键 词：CFRP-PCPs复合筋 设计方法 嵌贴加固 影响因素 破坏形式 

分 类 号：TB332[一般工业技术—材料科学与工程]