So bonding performance of the interface and internal force translating mechanism between FRP and high strength concrete are crucial in FRP strengthening technology.
FRP与混凝土之间通过界面层传递内力，研究界面层的粘结性能和内力传递机理是FRP加固技术的关键。
The experimental results showed that the interface moisture condition is an important factor to influence the bonding force of the interface between new and old concrete.
结果表明，界面干湿状态会影响界面结合强度，干燥状态对新旧混凝土结合最为有利。
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