【摘要】 FRP(纤维增强复合材料)片材与混凝土界面的黏结性能是黏贴FRP片材加固混凝土结构中的关键问题。从损伤力学的角度出发,定义了FRP片材加固混凝土结构黏结滑移中的损伤变量,建立了界面黏结滑移的损伤模型,推导了损伤-滑移本构方程,分析了FRP加固混凝土结构黏结滑移破坏的损伤机理。更多还原

【Abstract】 The debonding behavior at the interface between FRP sheet and concrete is a key problem for the application of FRP in concrete structure strengthening.Applied the method of the damage mechanics,the damage variable of the interface bond-slip between FRP sheet and concrete is defined.The damage model and the formulas for calculating the damage of interface are presented,and the damage mechanism of the bond-slip failure for the application of FRP in concrete structure strengthening are expounded.更多还原