刘小兰1，张献民1,2

（1 中国民航大学， 天津 300300； 2 南京航空航天大学， 南京 210016）

［摘要］对FRP加固混凝土矩形柱承载力的研究少、模型繁琐，不利于加固工程的实际应用。本文修正得到FRP加固素混凝土强度计算公式；又结合Mander模型，利用箍筋与FRP约束混凝土作用相似理论，得到FRP加固钢筋混凝土强度模型；按规范BS8110短柱极限轴压承载力设计公式，得FRP加固钢筋混凝土矩形柱的承载力公式；并将该公式计算结果与国外矩形柱试验结果对比，最终验证该公式可满足FRP加固混凝土矩形柱的计算要求。

［关键词］FRP加固； 钢筋混凝土矩形柱； 承载力

中图分类号： TU375.3    文献标识码： A    文章编号： 1002-848X(2015)S2-0412-03

Study on the bearing capacity of FRP reinforced concrete rectangular columns

Liu Xiaolan1， Zhang Xianmin1,2

(1 Civil Aviation University of China, Tianjin 300300, China;

 2 Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Abstract： The research of FRP reinforced concrete rectangular columns is fewand, the model of FRP reinforced concrete rectangular columns is various and is no help for the practical application of the reinforcement engineering.The strength formula of FRP reinforced concrete plain was corrected,the strength models of FRP reinforced concrete were got combined with the Mander model and the similarity theory between stirrups and FRP confined concrete. According to limit design formulas of short columns under axial compression in BS8110, the capacity formula of FRP reinforced concrete was got.Compared the results of the strength models and the test results of rectangular column, the formula can meet the computing requirements of FRP reinforced concrete rectangular columns.

Keywords： FRP reinforced; reinforced concrete rectangular column; capacity

作者简介：刘小兰，硕士研究生， Email：d1066323835@126.com。