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中文摘要：
基于经典梁理论并忽略外贴FRP的抗弯刚度,导出了FRP粘结加固梁的状态方程和传递矩阵。但是由于FRP与混凝土梁的横截面刚度相差太大,导致传统的传递矩阵法（Transfer Matrix Method,TMM）存在比较严重的数值稳定问题。为此,本文在传统的TMM基础上引入节点耦合矩阵法（Joint Coupled Method,JCM）求解状态方程,避免了数值稳定问题,从而得到精确的界面粘结应力。
英文摘要：
Based on the classical beam theory and the omission of the FRP layer＇s flexural rigidity,the state space formula and the transfer matrix of the beam strengthened by adhesively bonded FRP are obtained.Since the significant difference between the sectional stiffness of the FRP and the RC beam,the numerical instability of the traditional transfer matrix（TMM） is encountered.To avoid this problem,this paper introduces the joint coupled method（JCM） to obtain accurate solutions of the interfacial shear stress.
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