摘要
纤维增强复合材料(Fiber-reinforced polymer,FRP)优越的耐腐蚀性可以避免筋材锈蚀引起的混凝土结构劣化。基于此,FRP筋混凝土受到国内外广大研究学者的关注。FRP筋与混凝土的粘结性能和锚固长度是影响FRP筋和混凝土协同工作的主要因素。本文对不同FRP筋混凝土试件进行拉拔试验,分析其损伤机理和粘结强度,推导不同FRP筋的锚固长度计算公式,为工程应用提供理论指导与依据。
The outstanding corrosion resistance performance of FRP bars can avoid the deterioration of concrete structure which is mainly caused by the bar corrosion.Therefore,concrete reinforced with FRP bars has attracted the attention of researchers at home and abroad.The bond behavior between FRP bars and concrete and the anchorage length of FRP bars are the main parameters which can influence the cooperative work of FRP bars and concrete.In this research,pull-out tests of different FRP bars embedded in concrete specimens are carried out.The damage mechanism and bond strength are analyzed.And the formula to estimate the anchorage length of FRP bars is derived,providing the theoretical guidance and basis for the practical engineering.
作者
魏伟
熊哲
Wei Wei;Xiong Zhe(School of Civil and Transportation Engineering,Guangdong University of Technology,Guangzhou 510006,China)
出处
《广东工业大学学报》
CAS
2020年第3期101-105,共5页
Journal of Guangdong University of Technology
基金
国家自然科学基金资助项目(51708132,11472084)。
