摘要:为提高纤维增强复合材料(FRP)加固大尺寸钢筋混凝土构件设计的合理性,对 FRP 加固钢
筋混凝土构件尺寸效应的研究现状进行了综迷和分析,重点介绍了 FRP 材料、FRP和混凝土之间
的粘结强度、FRP 加固钢筋混凝土梁和 FRP 加固钢筋混凝土柱的尺寸效应研究成果;在归纳总结
的基础上,对 FRP 加固钢筋混凝土结构尺寸效应的研究提出了建议。
关键词:FRP;钢筋混凝土构件;尺寸数应;粘结性能;综迷
中图分类号:TU375
文献标志码:A
Research Progress of Size Effect on Reinforced Concrete Structures
Strengthened with FRP
WANG Zuo-hul 2,LIU Jing-bo',DU Xiu-li2
(1. Department of Civil Engineering, Tsinghua University, Beijing 100084,China;
2. Key Laboratory of Urban Security and Disaster Engineering of Ministry of
Education.Beijing University of Technology, Beijing 100124,China)
Abstract:In order to improve the rationality of design of large size reinforced concrete members
strengthened with fiber reinforced polymer(FRP),the size effect covering large size of reinforced
concrete structures strengthened with FRP should be considered. The state-of-the-art of studies
on size effect of reinforced concrete structures strengthened with FRP was summarized and
analyzed. The study results of size effect on FRP materials, bonding strength of FRP
and
concrete,concrete beams strengthened with FRP and reinforced concrete columns strengthened
with FRP were introduced emphatically. Based on the summaries of previous research, advices
for advanced research on size effect on FRP reinforced concrete structures were provided.
Key words: fiber reinforced polymer;reinforced concrete member;size effect;bonding property ;
summary
0
引 言
新建结构中得到了越来越广泛的应用02,如美国
Texas Hamilton 饭店,部分柱子采用了 FRP 进行
纤维增强复合材料(Fiber Reinforced Polymer,
了维修加固,在日本利用FRP对一般建筑物和桥梁
FRP)由于具有轻质、高强、耐腐蚀、抗疲劳等许多优
进行加固分别占到了总加固量的45%和 40%;在各
异的性能而逐渐得到了研究者和土木工程师们的认
种新建结构中,FRP的应用形式主要以FRP筋、各
可与青睐。近年来,FRP在既有建筑的修复加固和
种类型的型材及混凝土添加料为主。FRP混凝土
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