【作者】 薛伟辰；

【Author】 XUE Weichen (College of Civil Engineering,Tongji University,Shanghai,200092,China)

【机构】 同济大学土木工程学院；

【摘要】 纤维塑料筋(FRP筋)以其轻质、高强、耐腐蚀、抗疲劳等优良特性在土木工程领域得到日益广泛的应用。本文简要介绍本课题组近年来开展的有关FRP筋增强混凝土结构研究的一些新进展,主要包括AFRP索粘结本构模型、部分粘结预应力FRP筋混凝土梁承载力计算方法、体外预应力FRP筋混凝土梁承载力计算方法、碱环境下GFRP筋耐久性能退化模型等。更多还原

【Abstract】 FRP (Fiber Reinforced Polymer/Plastic) rebars,which exhibit lightweight,high tensile strength,excellent corrosive and fatigue resistance,have been widely applied in civil engineering.This paper presents a brief report on the research work carried out by our research team during the past year.The innovative research work on concrete beams reinforced/prestressed with FRP rebars mainly include the bond behavior of AFRP rebars/strands,calculated methods for concrete beams prestressed with partially bonded FRP tendons or external FRP tenons.In addition,the experimental studies on the durability of GFRP rebars under alkaline environment and the prediction model for degradation of GFRP rebars are presented.更多还原