Antifreezing asphalt pavement

A technology of asphalt pavement and asphalt, which is applied in the field of antifreeze asphalt pavement, and can solve the problems of poor antifreeze performance of asphalt pavement

Active Publication Date: 2017-10-13
南通市市政工程设计院有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an antifreeze asphalt pavement, which solves the problem of poor antifreeze performance of the existing asphalt

Method used

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  • Antifreezing asphalt pavement
  • Antifreezing asphalt pavement
  • Antifreezing asphalt pavement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0029] Embodiments 1 to 3, an antifreeze asphalt pavement, including a base layer and an asphalt pavement layer, and the base layer is formed by paving powdery fine sand, gravel and the like.

[0030] The formula of asphalt pavement described in embodiment 1~3 is as shown in table 1:

[0031] Table 1: Components and contents of the asphalt pavement layer in Examples 1 to 3

[0032]

Embodiment 4

[0033] Embodiment 4: An antifreeze asphalt pavement, which is different from Embodiment 2 in that the mass fraction of the polyimide / montmorillonite nanocomposite material in the asphalt pavement layer is 0.7.

Embodiment 5

[0034]Embodiment 5: An antifreeze asphalt pavement, which is different from Embodiment 2 in that the mass fraction of the polyimide / montmorillonite nanocomposite material in the asphalt pavement layer is 1.5.

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PUM

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Abstract

The invention discloses an antifreezing asphalt pavement. The antifreezing asphalt pavement comprises a base layer and an asphalt pavement layer, wherein the asphalt pavement layer is prepared form materials in parts by mass: 60 to 83 parts of asphalt, 5 to 15 parts of polyurethane, 13 to 20 parts of resin, 18 to 40 parts of diluent, 0.8 to 2 parts of additive, 0.5 to 2 parts of polyimide/montmorillonoid nanocomposite and 0.1 to 0.7 part of stabilizer. The antifreezing asphalt pavement has the advantages of good antifreezing performance, more safety and prolonged service life.

Description

technical field [0001] The invention relates to the technical field of municipal roads, in particular to an antifreeze asphalt road surface. Background technique [0002] Asphalt pavement refers to various types of pavement paved with asphalt materials mixed with mineral materials. Asphalt binder improves the ability of paving aggregates to resist road damage from driving and natural factors, making the road smooth, less dusty, impermeable and durable. Therefore, asphalt pavement is the most widely used high-grade pavement in road construction. [0003] The Chinese patent with application publication number CN105968476A and authorized announcement date of July 08, 2012 discloses an asphalt pavement material, including nonylphenol, waste tire rubber powder, spodumene powder, SBS, diopside powder, surface modified agent, stearic acid, magnesium silicate, acetone, anti-aging agent, rhyolite powder, etc., the use of the above formula makes the paved asphalt pavement have good ...

Claims

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Application Information

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IPC IPC(8): C04B26/26E01C7/26
CPCC04B26/26C04B2111/0075E01C7/26C04B24/282C04B24/24C04B24/2611C04B24/045C04B24/04C04B24/28C04B14/104C04B18/24C04B14/02C04B14/06
Inventor 刘洪
Owner 南通市市政工程设计院有限责任公司
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