资料简介： 部分粘结FRP板的混凝土梁界面有限元应力分析
4 h% V( o! k7 n: C: v" |0 h- } 何一斌 常永红$ t$ T' |) R6 m" a0 }0 X
中国湖南长沙410082 湖南大学土木工程学院
% d% A' n1 v, h! w1 p H 摘 要 纤维增强塑料材料已经被公认为是对于混凝土材料新的复兴和改造的新的创新型材料,纤维增强塑料的结合对于改善混凝土结果已经成为一种流行的方法。本文介绍了通过有限元方法对与混凝土梁部分结合的FRP梁的应力分析。- c [, x, C* E. D1 k) F# v3 e/ A) j; u) B
关键词 纤维增强塑料 有限元 部分结合 截面应力
1 w7 X, M4 g) f/ Y7 J Finite element analysis of interfacial stresses in an FRP plate partially bonded concrete beam
$ d Q# G+ f9 C& \7 m8 h He Yibin* Chang Yonghong
& h1 N7 {: i- K$ Q$ ] College of Civil Engineering, Hunan University, Changsha, Hunan 410082, China
0 ~1 g7 U; a' b+ E) f0 S/ Q( z) N; B Abstract
% I4 E7 j* d: e% B Fibre-reinforced plastic (FRP) materials have been thought as new innovative materials for concrete rehabilitation and retrofit, the bonding of FRP plate to reinforced concrete (RC) structure has been a popular method for strengthening deficient RC structure. This paper presents a finite element investigation into interfacial stresses in an FRP plate partially bonded concrete beam. The finite element results show that both normal stress and shear stress at the a middle to adhesive section are influenced by the material and geometry parameters and the length of debonding FRP plate of the beam. v9 H. o, x( A* [! B
Keywords: FRP; finite element; partially bonded; interfacial stress
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