Firstly, the quantization study on surface roughness of old concrete which is the key control point of bonding quality was carried on by roughness test.

本文首先通过粗糙度试验对粘结界面质量检验的关键控制点——老混凝土表面粗糙度进行了量化研究。

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According to the theory of mechanical bonding, layer-to-layer bond strength was improved by making the surface become more roughness.

本文分析了光固化树脂层间结合机理，根据机械结合理论，增加表面粗糙度，增强层间结合强度。

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