| abstract |
The present invention relates to an environment-friendly high-strength lightweight mortar and a repair method for concrete structures using the same, the purpose of which is to heat the concrete surface, and then poured primer and repair mortar to improve the primer penetration and adhesion of the repair mortar It is to provide lightweight mortar and concrete structure repair method.n n n The present invention in the mortar for repairing concrete structures; 100 parts by weight of the repair mortar is blended in a proportion of 3.0 to 4.0 parts by weight of liquid polymer and 13 to 15 parts by weight of water. The repair mortar is composed of 30 to 40 wt% of binder, 38 to 50 wt% of sand, 0.1 to 2 wt% of nylon fiber, and light weight. 10 to 20 wt% of aggregates, and 1 to 10 wt% of silica powder, and arranging the concrete surface of the structure; A heat treatment step of heating the cleaned concrete surface to remove the barrier to infiltrating the carrier; A primer coating step of applying a primer having a rust prevention function on the heated concrete surface; A repair step of pouring and repairing a mortar made of a repair mortar containing a light weight glass aggregate and a liquid polymer and water after applying the primer; After curing the mortar, it consists of a coating step of applying a coating thereto. |