嵌入式预应力碳纤维棱柱体加固混凝土梁的试验研究  

EXPERIMENTAL STUDY OF RC BEAMS WITH NEAR SURFACE MOUNTED CFRP-PCPS

作　　者：邓朗妮[1] 姬帅[1] 张鹏[1] 邓宇[1] 刘锋涛[1] 屈建[1] 凌亚青 聂威[1] 

机构地区：[1]广西工学院土木建筑工程系,广西柳州545006

出　　处：《工业建筑》2014年第2期151-154,共4页Industrial Construction

基　　金：国家自然科学基金项目(51168006;51108099)

摘　　要：利用自主研制的预应力碳纤维棱柱体(CFRP-PCPs复合筋)对钢筋混凝土梁进行嵌入式加固,并根据我国现行规范推导出挠度计算的修正公式,挠度计算值与试验值吻合良好。试验表明,嵌入式CFRP-PCPs加固混凝土梁相较于嵌入式预应力碳纤维CFRP筋加固混凝土梁,不但有效改善了加固结构的受力性能和变形能力,而且解决了张拉锚固装置施工复杂,造价高等问题。By using the self-developed CFRP-PCPs, the mounted reinforcement was conducted on RC beams. A correction formula of deflection was deduced base on current Chinese codes, the calculated value is in good agreement with the experimental value. The experimental results show that compared with the mounted reinforcement of concrete beams by prestressed CFRP tendons, the embedded reinforcement of concrete beams by CFRP-PCPs not only effectively improves the structure of the force performance and deformation capacity, but also solves the problems of complex construction process of post-tensioned anchoring device, high costs, etc.

关 键 词：钢筋混凝土梁 嵌入式加固 预应力 CFRP—PCPs复合筋 

分 类 号：TU378[建筑科学—结构工程]