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A kind of repair material for quickly repairing pavement and its preparation method and application

A repair material and fast technology, applied in the field of building materials, can solve the problems of materials not suitable for repairing in extremely cold areas, low cement and concrete adhesion, and long construction time, so as to shorten the open traffic time, high fluidity, and fast and effective repair. Effect

Active Publication Date: 2020-08-25
贵州雷氏兄弟建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has defects such as long construction time, low adhesion to the original cement concrete and easy to fall off, and the materials used are not suitable for repairs in extremely cold regions.

Method used

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  • A kind of repair material for quickly repairing pavement and its preparation method and application
  • A kind of repair material for quickly repairing pavement and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In the embodiment of the present invention, a repairing material for quickly repairing road surfaces comprises the following raw materials: Portland cement 38kg, fine sand 17kg, vinyl acetate resin 9kg, polyoxyethylene ether 3kg, bran 13kg, hexamethylenetetramine 15kg.

[0019] Mix the hexamethylenetetramine with water whose mass is 4.5 times that of the hexamethylenetetramine solution for future use. Mix the vinyl acetate resin and bran and pulverize it, raise the temperature to 58°C, heat and stir at this temperature for 20 minutes, then raise the temperature to 76°C, add the hexamethylenetetramine solution, and heat and stir at 76°C for 0.9h. A mixture is prepared. Mix Portland cement, fine sand, and polyoxyethylene ether evenly, then add the mixture, and stir for 1.9 hours to obtain the repair material. The stirring temperature when adding the mixture was 50°C.

Embodiment 2

[0021] In the embodiment of the present invention, a repairing material for quickly repairing road surfaces comprises the following raw materials: 46 kg of Portland cement, 25 kg of fine sand, 17 kg of vinyl acetate resin, 7 kg of polyoxyethylene ether, 21 kg of bran, and hexamethylenetetramine 25kg.

[0022] Mix hexamethylenetetramine with water with 5 times its mass to prepare a hexamethylenetetramine solution for future use. Mix the vinyl acetate resin and bran and pulverize it, raise the temperature to 62°C, heat and stir at this temperature for 25 minutes, then raise the temperature to 76°C, add hexamethylenetetramine solution, and heat and stir at 76°C for 1 hour to prepare Get the mix. Mix Portland cement, fine sand, and polyoxyethylene ether evenly, then add the mixture, and stir for 2 hours to obtain the repair material. The stirring temperature when adding the mixture was 55°C.

Embodiment 3

[0024] In an embodiment of the present invention, a repairing material for quickly repairing road surfaces comprises the following raw materials: 40 kg of Portland cement, 19 kg of fine sand, 11 kg of vinyl acetate resin, 4 kg of polyoxyethylene ether, 15 kg of bran, and hexamethylenetetramine 18kg.

[0025] Mix hexamethylenetetramine with water with 5 times its mass to prepare a hexamethylenetetramine solution for future use. Mix the vinyl acetate resin and bran and pulverize it, raise the temperature to 60°C, heat and stir at this temperature for 25 minutes, then raise the temperature to 76°C, add hexamethylenetetramine solution, and heat and stir at 76°C for 1 hour to prepare Get the mix. Mix Portland cement, fine sand, and polyoxyethylene ether evenly, then add the mixture, and stir for 2 hours to obtain the repair material. The stirring temperature when adding the mixture was 52°C.

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Abstract

The invention discloses a repair material for quickly repairing a pavement as well as a preparation method and application thereof. The repair material comprises the following raw materials in parts by weight: 38-46 parts of Portland cement, 17-25 parts of fine sand, 9-17 parts of vinyl acetate resin, 3-7 parts of polyoxyethylene ether, 13-21 parts of a mixture of rice chaffs and husks and 15-25 parts of hexamethylenetetramine. The preparation method comprises the following steps: mixing the vinyl acetate resin and the mixture of rice chaffs and husks, then crushing, increasing the temperatureto 58-62 DEG C, heating and stirring for 20-25 minutes at the temperature of 58-62 DEG C, then increasing the temperature to 76 DEG C, adding a hexamethylenetetramine solution and hermetically heating and stirring for 0.9-1 hour at the temperature of 76 DEG C to prepare a mixture; mixing and uniformly stirring the Portland cement, the fine sand and the polyoxyethylene ether, then adding the mixture and stirring for 1.9-2 hours to obtain the repair material. The repair material as well as the preparation method and the application thereof, disclosed by the invention, has the benefits that therepair material is suitable for repairing cracks and joints of the cement concrete pavement under very cold weather conditions, the pavement can be open to traffic after being repaired for 0.5 hour, the traffic opening time can be greatly shortened, and the repeated repairs are not needed after one-time repair.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a repair material for quickly repairing road surfaces, a preparation method and application thereof. Background technique [0002] Pavement cracks, as one of the main road diseases in my country, mainly appear in the early damage of roads. If they are not treated in time, they will seriously affect the performance of roads, advance the road maintenance period and greatly increase maintenance costs, and directly shorten the service life of roads. In extremely cold regions, due to the low temperature in winter, it is generally -20 to -40°C, but the high temperature in summer can reach about 40°C. Traditional repair materials mostly use ordinary modified asphalt, ordinary joint glue, seam tape and the like. These materials have become glassy at a low temperature of -30°C. During operation, the vehicle will quickly disappear. Cracks appear, and the requirements for road m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04E01C7/14
CPCC04B28/04C04B2111/0075C04B2201/50C04B2201/52E01C7/147C04B14/06C04B24/2623C04B24/32C04B24/121C04B18/24
Inventor 杨改
Owner 贵州雷氏兄弟建材有限公司
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