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Crack-resistant paste for bituminous pavement layer

A technology of asphalt pavement and anti-crack paste, which is applied in the direction of roads, roads, pavement details, etc., can solve the problems of poor mechanical properties and heat resistance of anti-crack paste, achieve good thermal conductivity, enhance mechanical strength, and improve mechanical properties Effect

Active Publication Date: 2018-04-13
陕西国琳建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main technical problem to be solved by the present invention is to provide an anti-cracking paste for asphalt pavement in view of the shortcomings of traditional anti-cracking pastes with poor mechanical properties and heat resistance.

Method used

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  • Crack-resistant paste for bituminous pavement layer

Examples

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Effect test

example 1

[0023] In terms of parts by weight, put 30 parts of phenolic resin and 6 parts of curing agent in No. 1 beaker, and stir and mix for 60 minutes under the condition of rotating speed of 600r / min to obtain the binder; the mass fraction is 80% of sulfuric acid and Nitric acid with a mass fraction of 30% was added to the No. 2 beaker at a mass ratio of 1:2, and stirred and mixed for 60 minutes at a speed of 600r / min to obtain a mixed acid; in parts by weight, 20 parts of carbon nanotube fibers, 30 Parts of ethyl orthosilicate and 30 parts of tetrabutyl titanate were placed in an ultrasonic disperser, and ultrasonically dispersed for 60 minutes at an ultrasonic frequency of 65kHz to obtain a primary dispersion, and then the resulting primary dispersion was filtered to obtain a primary treatment nano Carbon tube fiber: put the carbon nanotube fiber and water obtained in the primary treatment into an ultrasonic disperser at a mass ratio of 1:100, and ultrasonically disperse for 60 min...

example 2

[0025] In terms of parts by weight, put 30 parts of phenolic resin and 6 parts of curing agent in No. 1 beaker, and stir and mix for 60 minutes under the condition of rotating speed of 600r / min to obtain the binder; the mass fraction is 80% of sulfuric acid and Nitric acid with a mass fraction of 30% was added to the No. 2 beaker at a mass ratio of 1:2, and stirred and mixed for 60 minutes at a speed of 600r / min to obtain a mixed acid; in parts by weight, 20 parts of carbon nanotube fibers, 30 Parts of tetrabutyl titanate were placed in an ultrasonic disperser, and ultrasonically dispersed for 60 minutes at an ultrasonic frequency of 65 kHz to obtain a primary dispersion, and then the resulting primary dispersion was filtered to obtain primary carbon nanotube fibers; the resulting primary treatment Carbon nanotube fibers and water are placed in an ultrasonic disperser at a mass ratio of 1:100, and ultrasonically dispersed for 60 minutes at an ultrasonic frequency of 65 kHz to o...

example 3

[0027]In terms of parts by weight, put 30 parts of phenolic resin and 6 parts of curing agent in No. 1 beaker, and stir and mix for 60 minutes under the condition of rotating speed of 600r / min to obtain the binder; the mass fraction is 80% of sulfuric acid and Nitric acid with a mass fraction of 30% was added to the No. 2 beaker at a mass ratio of 1:2, and stirred and mixed for 60 minutes at a speed of 600r / min to obtain a mixed acid; in parts by weight, 20 parts of carbon nanotube fibers, 30 Parts of tetraethyl orthosilicate were placed in an ultrasonic disperser, and ultrasonically dispersed for 60 minutes at an ultrasonic frequency of 65 kHz to obtain a primary dispersion, and then the resulting primary dispersion was filtered to obtain primary carbon nanotube fibers; the resulting primary treatment Carbon nanotube fibers and water are placed in an ultrasonic disperser at a mass ratio of 1:100, and ultrasonically dispersed for 60 minutes at an ultrasonic frequency of 65 kHz ...

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Abstract

The invention discloses crack-resistant paste for a bituminous pavement layer, and belongs to the technical field of road maintenance. According to the crack-resistant paste, carbon nano-tube fiber, ethyl orthosilicate and tetrabutyl titanate are mixed, ultrasonic dispersing is conducted, filtering is conducted, and primary processed carbon nano-tube fiber is obtained; the obtained primary processed carbon nano-tube fiber and water are mixed, ultrasonic dispersing is conducted, filtering is conducted, and secondary processed carbon nano-tube fiber is obtained; the obtained secondary processedcarbon nano-tube fiber and mixed acid are heated, stirred and flow back, filtering is conducted, and pre-processed carbon nano-tube fiber is obtained; and the pre-processed carbon nano-tube fiber is subjected to knitting, a fiber layer is obtained, the crack-resistant paste comprises an upper protective film, an upper coating, a fiber layer, a lower coating, a binder and a lower protective film from bottom to top in sequence. The crack-resistant paste for the bituminous pavement layer has excellent mechanical properties and heat resistance.

Description

technical field [0001] The invention discloses an anti-crack sticker for asphalt pavement layer, which belongs to the technical field of road maintenance. Background technique [0002] After the asphalt layer structure is paved on the cement concrete pavement, various forms of cracks will appear on the pavement due to the effects of traffic load, temperature change, and foundation deformation. Cracks destroy the continuity and integrity of the road surface. When rainwater continuously enters the road surface from the cracks, it will soften the road base and even the roadbed, resulting in a decrease in the bearing capacity of the road surface. The phenomenon often causes the asphalt concrete surface near the crack to crack and sink, which seriously affects the durability of the asphalt pavement and accelerates its destruction. As a new anti-cracking material for asphalt overlay on cement pavement, anti-crack paste can effectively delay and prevent the occurrence of reflectiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C11/16C09J161/06B32B29/00B32B29/02B32B9/02B32B9/04
CPCB32B5/02B32B7/12B32B29/002B32B29/02B32B2262/106B32B2307/306B32B2419/02C09J161/06E01C11/165
Inventor 龙青云殷小祥陈龙
Owner 陕西国琳建设工程有限公司
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