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A kind of modified carbon fiber reinforced asphalt pavement anti-skid material and preparation method thereof

A fiber-reinforced asphalt pavement technology, applied in the field of asphalt pavement in highway engineering, can solve the problems of poor surface layer durability and the decay of anti-skid performance of asphalt pavement, improve heat resistance, enhance adhesion, improve high temperature stability and The effect of comprehensive mechanical properties

Inactive Publication Date: 2021-06-08
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the problems existing in the prior art, the object of the present invention is to provide a modified carbon fiber reinforced asphalt pavement anti-skid material and its preparation method, the wear resistance and anti-skid performance of the modified carbon fiber reinforced asphalt pavement anti-skid material Good, can effectively solve technical problems such as fast decay of anti-skid performance of asphalt pavement and poor durability of surface layer, and its preparation method is simple, suitable for industrial production and application

Method used

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  • A kind of modified carbon fiber reinforced asphalt pavement anti-skid material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0037] A modified carbon fiber reinforced asphalt pavement antiskid material, including the following raw materials: 42.6g of surface modified carbon fiber, 2130.7g of SBS modified asphalt epoxy binder, 213.1g of ultrafine organic montmorillonite, and 14914.8g of non-skid aggregate , anti-slip aggregate 27698.9g; among them, SBS modified asphalt epoxy binder contains 80% of SBS modified asphalt, 12% of bisphenol A epoxy resin and 8% of aliphatic polyamine; the material of non-slip aggregate It is limestone, containing 15% of 4.75-9.50mm aggregate, 22% of 2.36-4.75mm aggregate, 22% of 1.18-2.36mm aggregate, 21% of 0.60-1.18mm aggregate and 20% of 0-0.60mm aggregate; The sliding aggregate contains basalt and sintered bauxite with a mass ratio of 1:1, the basalt contains 50% of 4.75-9.50mm aggregate and 50% of 2.36-4.75mm aggregate, and the sintered bauxite contains 50% of 4.75-9.50mm aggregate % and 2.36 ~ 4.75mm aggregate 50%.

[0038] The preparation method of the above-menti...

Embodiment 2

[0045] A modified carbon fiber reinforced asphalt pavement anti-skid material, including the following raw materials: surface modified carbon fiber 42.1g, SBS modified asphalt epoxy binder 2189.0g, ultrafine organic montmorillonite 252.6g, non-skid aggregate 15996.3g , Anti-skid aggregate 26520.1g; Among them, SBS modified asphalt epoxy binder contains 80% of SBS modified asphalt, 12% of bisphenol A epoxy resin and 8% of aliphatic polyamine; the material of non-skid aggregate It is limestone, containing 13% of 4.75-9.50mm aggregate, 20% of 2.36-4.75mm aggregate, 21% of 1.18-2.36mm aggregate, 24% of 0.60-1.18mm aggregate and 22% of 0-0.60mm aggregate; The sliding aggregate contains basalt and sintered bauxite with a mass ratio of 1:1, the basalt contains 50% of 4.75-9.50mm aggregate and 50% of 2.36-4.75mm aggregate, and the sintered bauxite contains 50% of 4.75-9.50mm aggregate % and 2.36 ~ 4.75mm aggregate 50%.

[0046] The preparation method of the above-mentioned modified c...

Embodiment 3

[0053] A modified carbon fiber reinforced asphalt pavement anti-slip material, including the following raw materials: surface modified carbon fiber 84.5g, SBS modified asphalt epoxy binder 2323.9g, ultrafine organic montmorillonite 338.0g, non-slip aggregate 16901.4g , Anti-skid aggregate 25352.1g; Among them, SBS modified asphalt epoxy binder contains 80% of SBS modified asphalt, 12% of bisphenol A epoxy resin and 8% of aliphatic polyamine; the material of non-skid aggregate It is limestone, containing 14% of 4.75-9.50mm aggregate, 21% of 2.36-4.75mm aggregate, 20% of 1.18-2.36mm aggregate, 22% of 0.60-1.18mm aggregate and 23% of 0-0.60mm aggregate; The sliding aggregate contains basalt and sintered bauxite with a mass ratio of 1:1, the basalt contains 50% of 4.75-9.50mm aggregate and 50% of 2.36-4.75mm aggregate, and the sintered bauxite contains 50% of 4.75-9.50mm aggregate % and 2.36 ~ 4.75mm aggregate 50%.

[0054] The preparation method of the above-mentioned modified c...

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Abstract

The present invention provides a modified carbon fiber reinforced asphalt pavement anti-skid material and a preparation method thereof. The modified carbon fiber reinforced asphalt pavement anti-skid material includes the following raw materials: surface modified carbon fiber, SBS modified asphalt epoxy binder, Ultrafine organic montmorillonite, non-slip-resistant aggregate and anti-slip aggregate; wherein, the SBS modified asphalt epoxy binder includes SBS modified asphalt, epoxy resin and curing agent. The modified carbon fiber reinforced asphalt pavement anti-skid material has good wear resistance and anti-skid performance, and can effectively solve technical problems such as fast decay of asphalt pavement anti-skid performance and poor durability of the surface layer. The preparation method is simple, and the surface modification is adopted. Carbon fiber can promote the bonding of functional groups between the carbon fiber surface and asphalt and epoxy resin components, strengthen the interface performance between carbon fiber and asphalt-based materials, and improve the wear resistance and durability of the anti-skid surface layer of asphalt pavement.

Description

technical field [0001] The invention relates to the technical field of highway engineering asphalt pavement, in particular to a modified carbon fiber reinforced asphalt pavement antiskid material and a preparation method thereof. Background technique [0002] With the rapid and stable development of our country's economy, the sharp increase of traffic flow and the increasing speed of vehicles have brought obvious economic benefits, but at the same time, they have also led to continuous occurrence of traffic accidents, resulting in serious economic property losses and personal casualties. Road safety is closely related to factors such as road anti-skid performance, vehicle speed, tire type, environment, and driving behavior. Among them, the anti-skid performance of the road surface is reduced, and the adhesion of the tire is reduced. If the vehicle encounters an unexpected situation and adopts emergency braking at this time, the braking distance will be greater than the safe ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/26
CPCC04B26/26C04B14/386C04B14/104C04B24/281C04B24/121C04B14/28C04B14/14C04B14/303
Inventor 李祖仲陈华鑫王英明熊剑平赵泽鹏张学磊法春光余亦晓门昌朋黄常聪
Owner CHANGAN UNIV
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