Abstract
As a kind of grouting material, epoxy resin is often used to repair cracks in concrete structures and as grouting filling for reserved joints in prefabricated buildings. However, in engineering applications, gaps can be found between water-stop tape and concrete. Due to the low viscosity of epoxy resin, leaks easily occur during the grouting process. In order to study the influencing factors of leakage, numerical simulations were used to determine the leakage rate of epoxy resin between the size of the leakage aperture, the grouting pressure, and the viscosity of epoxy resin. The change of pressure at the position of the leak under different conditions was also obtained. The results showed that under different viscosities, the leakage velocity exhibits different laws to the area of the hole and the grouting pressure.
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