第 卷 第 期 硅 酸 盐 通 报 40 4 文献标志码: 文章编号: TU528. 41 A 1001-1625(2021)04-1137-10 Effects of Active Admixtures on Comprehensive Properties of Epoxy Resin Repair Mortar GONG Jianqing1,2 LI Falei1,2 LI Ke1,2 QU Zhigang1,2 , , , (1. College of Civil Engineering, Hunan University, Changsha 410082, China; 2. Key Laboratory for Green and Advanced Civil Engineering Materials and Application Technology of Hunan Province, Hunan University, Changsha 410082, China) Abstract: In order to explore the modification effect of active admixtures on epoxy resin repair mortar and provide basis for repair engineering application, the effects of silica fume and fly ash on the mechanical properties, bonding strength, dimensional stability and frost resistance of epoxy resin repair mortar were studied. The influence mechanism was explored and analyzed by the scanning electron microscope (SEM) and mercury intrusion method. The results indicate that epoxy
