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Bridge deck waterproof material and bridge deck waterproof construction method using it

A technology of waterproof materials and admixtures, applied in anti-corrosion coatings, bridges, bridge parts, etc., can solve the problems of fire hazard operator safety, insufficient concrete bonding force, fine gaps in paved roads, etc., to achieve quick repair, easy Partial repair and improved freeze-thaw resistance

Active Publication Date: 2020-08-07
SAM JOONG C M TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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.

Method used

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  • Bridge deck waterproof material and bridge deck waterproof construction method using it
  • Bridge deck waterproof material and bridge deck waterproof construction method using it

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Remove foreign matter on the bridge surface and implement planarization operation, and then coat by mixing 91% by weight of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol polymer and 9% by weight of admixture The primer waterproofing material that is made, on the primer waterproofing material, coating is mixed by the MMA resin of 15% by weight, the calcium carbonate of 37.5% by weight, the No. 3 silica sand of 17.5% by weight and the No. 5 silica sand of 30% by weight. Coating waterproof material, coating the top coating waterproof material mixed by 45% by weight of 2-chlorobutadiene polymer, 35% by weight of toluene and 20% by weight of pure asphalt on the middle coating waterproof material, and curing 30 minutes to form a waterproof layer on the bridge deck.

Embodiment 2

[0054] Remove foreign matter on the bridge surface and implement planarization operation, and then coat by mixing 91% by weight of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol polymer and 9% by weight of admixture The primer waterproofing material that is made, on the primer waterproofing material, coating is mixed by the MMA resin of 25% by weight, the calcium carbonate of 37.5% by weight, the No. 3 silica sand of 12.5% ​​by weight and the No. 5 silica sand of 25% by weight. Coating waterproof material, coating the top coating waterproof material mixed by 45% by weight of 2-chlorobutadiene polymer, 35% by weight of toluene and 20% by weight of pure asphalt on the middle coating waterproof material, and curing 30 minutes to form a waterproof layer on the bridge deck.

Embodiment 3

[0056] Remove foreign matter on the bridge surface and implement planarization operation, and then coat by mixing 91% by weight of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol polymer and 9% by weight of admixture The primer waterproofing material that is made, on the primer waterproofing material, coating is mixed by the MMA resin of 35% by weight, the calcium carbonate of 32.5% by weight, the No. 3 silica sand of 10.5% by weight and the No. 5 silica sand of 22% by weight. Coating waterproof material, coating the top coating waterproof material mixed by 45% by weight of 2-chlorobutadiene polymer, 35% by weight of toluene and 20% by weight of pure asphalt on the middle coating waterproof material, and curing 30 minutes to form a waterproof layer on the bridge deck.

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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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D171/02C09D7/61C09D133/12C09D111/00C09D195/00C09D5/08E01D19/08E01D21/00
CPCC08K3/36C08K2003/265C08K2201/014C09D5/08C09D111/00C09D133/12C09D171/02E01D19/083E01D21/00C08L95/00C04B41/478C04B41/48C04B41/483C04B41/4838C04B41/501C04B41/522C09D5/1681C09D7/40C09D159/00
Inventor 池祥镐
Owner SAM JOONG C M TECH
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