通过对国内外关于新旧混凝土界面粘结机理的对比,同时结合双剪试验结果,从不同的角度分析了新旧混凝土界面粘结力的来源,并分析了不同界面剂在界面区形成的不同形态,进而探讨不同界面剂的粘结效果不同的原因,以期指导实践。%The paper compares the bonding mechanism of interface of new and old concrete at home and abroad,analyzes the origins of the interface bonding force of the new and old concrete from various aspects by combining with the results of the double shear experiments,analyzes the various forms of the different interface agents in the interface areas,and explores the reasons for the different bonding effects of the various interface agents,so as to direct the practice.
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