| abstract |
The present invention relates to a concrete surface protective material composition and a method for repairing concrete structures damaged by neutralization, salt damage, and chemical corrosion using the same, and specifically, the composition of the concrete surface protective material is 30 to 60 wt% of general cement or slag cement, aggregate powder 3 To 15 wt%, slag fine powder 5 to 20 wt%, acrylic polymer 4 to 15 wt%, filler 25 to 50 wt%, nano carbon material 0.01 to 3 wt%, stabilizer 0.5 to 3 wt%, anionic or nonionic dispersant 0.5 to 3 wt%, And 0.2 to 1 wt% of a fluidizing agent, and in the concrete structure repair method, the steps of removing foreign substances and deteriorated parts of the concrete structure, washing the deteriorated part with high-pressure washing water, and applying a surface protection material to the concrete structure And uniformly applying the ceramic coating material. |