Waterproof agent for surface of bridges and process for waterproofing surface of bridges using that

Abstract

The present invention relates to a bridge deck waterproof material and a bridge deck waterproofing method using the same. More specifically, the present invention relates to a bridge deck waterproof material and a bridge deck waterproofing method using the same, for forming a coating layer, which cures in a short time after the application of the bridge deck waterproof material, effectively bonds with the ground surface, and provides excellent durability and water resistance to the bridge deck, on concrete and steel plate bridge decks, thereby preventing deterioration of the bridge deck. The present invention comprises: a lower waterproof material, mixed with 91-95 wt% of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol polymer and 5-9 wt% of admixture, and coated on the bridge deck; a middle waterproof material, mixed with 15-35 wt% of MMA resin, 32.5-42.5 wt% of calcium carbonate, 7.5-17.5 wt% of silica sand No. 3, and 20-30 wt% of silica sand No. 5, and coated on the lower waterproof material; and an upper waterproof material, mixed with 45-55 wt% of 2-chlorobutadiene polymer, 25-35 wt% of toluene or xylene, and 15-25 wt% of sprayed asphalt, and coated on the middle waterproof material.

Description

technical field [0001] The present invention relates to a bridge deck waterproof material and a bridge deck waterproof construction method using the same, more specifically, to a bridge deck waterproof material capable of preventing deterioration and corrosion of the bridge deck and a bridge deck waterproof construction method using the same, wherein After the construction of the material, it can be cured in a short time, and at the same time, it can be effectively bonded to the bottom surface, so as to form a coating layer on the concrete and steel bridge deck that provides excellent durability and water resistance for the bridge deck. Background technique [0002] Generally speaking, concrete is due to carbon dioxide (CO2) present in the air 2 ), nitrogen oxides (NO x ) and the penetration of acid rain formed by sulfur oxide is neutralized. Therefore, the corrosion of the steel bars prepared inside the concrete and the deterioration of the concrete induce cracking and fal...

AI Technical Summary

Problems solved by technology

[0011] That is, the existing asphalt concrete layer of the roadway paved first is bonded to the newly paved molten asphalt concrete layer in a cool and hard state, so the adhesive force is reduced, and microscopic gaps occur, as above The surface layer of the joint part where the fine gaps are formed causes rainwater to leak, and the joint part is gradually cracked and detached due to the load of the vehicle, making smooth vehicle traffic difficult.

[0012] In addition, when damage occurs on the existing paved road, the paved road is excavated on one side of the damaged paved road, and asphalt concrete is re-laid on the excavated part to repair the paved road, but in this case, there may also be Problems with microscopic gaps between existing paved roads and newly installed paved roads

[0013] In addition, the existing bridge deck waterproof technology requires complex equipment and many processes, so the construction method is harsh, and most of the construction cannot be carried out when the matrix (asphalt or concrete) is wet, and the cold matrix and Insufficient bonding of hot asphalt concrete

[0014] In addition, some of the prior art uses diluting solvents, which causes fire hazards and safety problems for operators.

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