| 摘要 |
PROBLEM TO BE SOLVED: To provide a substrate concrete surface adjustment method for forming a sound coated floor while maintaining good adhesiveness over a long period without causing swollenness in various floor coating materials applied onto a coating material composition due to moisture supplied from a substrate concrete, and to provide a substrate concrete floor construction method applying the same.SOLUTION: The substrate concrete surface adjustment method includes spraying water on the surface of the substrate concrete, and applying a water-based epoxy resin mortar composition of 0.5-2.7 kg/m, containing hydraulic cement, aggregate and a water-based epoxy resin, onto the substrate concrete having no floating water on the surface, the water-based epoxy resin mortar composition being a coating material composition in which the weight ratio of the hydraulic cement to water is 0.3-0.4, the weight of a resin solid component of the resin is 4-10% of the weight of all compound containing the water when the resin is formed by adding hardening agent to react with the epoxy resin to the epoxy resin, the total pore amount of a hardened material is 0.05-0.2 cc/g, and a T.I value is 1.0-1.5. |
