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A haze-reducing asphalt pavement material and environment-friendly asphalt pavement structure

An asphalt pavement, environment-friendly technology, applied in the direction of roads, roads, on-site paved condensate pavement, etc., can solve the problem of limited automobile exhaust degradation, affecting the overall bearing capacity of asphalt pavement, and the compressive strength of negative ion particles is difficult to meet asphalt pavement Use requirements and other issues to achieve the effect of improving the degradation of automobile exhaust, avoiding secondary particle pollution, and improving anti-rutting performance

Active Publication Date: 2018-01-09
SHANXI PROVINCIAL RES INST OF COMM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Negative ion particles are widely used in various industries such as textiles, health care products, and cosmetics. If traditional negative ion particles are applied to asphalt pavement materials to form haze-reducing asphalt pavement materials, there are three major technical problems: (1) The compressive strength of traditional negative ion particles Difficult to meet the use requirements of asphalt pavement
If the traditional negative ion particles are directly applied to the asphalt pavement, they will be crushed by the car during use, seriously affecting the overall bearing capacity of the asphalt pavement
(2) Traditional negative ion particles have limited effect on the degradation of automobile exhaust

Method used

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  • A haze-reducing asphalt pavement material and environment-friendly asphalt pavement structure
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  • A haze-reducing asphalt pavement material and environment-friendly asphalt pavement structure

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Embodiment 1

[0038]

Embodiment 2

[0040]

Embodiment 3

[0042]

[0043] The particle size of the negative ion particles is 2-5 mm.

[0044] Secondly, the present invention discloses the method for preparing the above-mentioned negative ion particle, and this method comprises the following steps:

[0045] 1) Mix tourmaline, nano-titanium dioxide, activated alumina and medical stone according to the aforementioned proportions and then perform nanoprocessing to form negative ion powder;

[0046] 2) Add clay and mineral water to the negative ion powder obtained in step 1) according to the above-mentioned ratio, stir evenly, calcinate and shape at 2000° C., and form negative ion particles after natural cooling.

[0047] Thirdly, the present invention also discloses a haze-reducing asphalt concrete material, which is composed of asphalt, stone materials, fillers and negative ion particles.

[0048] Asphalt adopts SBS modified asphalt.

[0049] The gradation of the stone is AC-13C, and the particle size is 0-16mm. Part of the stone wit...

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Abstract

The invention discloses a haze-reducing asphalt pavement material and an environment-friendly asphalt pavement structure. The environment-friendly asphalt pavement structure comprises an upper layer, a middle surface layer, a lower layer and a base layer sequentially laid on a cushion layer from top to bottom; the upper layer The upper layer and the middle surface layer are constructed by double-layer paving and compaction at the same time; the upper layer is a haze-reducing asphalt concrete upper layer prepared from haze-reducing asphalt concrete materials; the middle layer is an epoxy asphalt concrete layer ; The thickness of the upper layer of haze-reducing asphalt concrete is 20-25mm. The invention has the advantages of good road performance and environmental protection performance, and is economical and efficient, can purify the air in real time, degrade automobile exhaust and PM2.5 in the air, and further achieve a better haze reduction effect.

Description

technical field [0001] The invention belongs to the technical field of asphalt pavement, and in particular relates to a haze-reducing asphalt pavement material and an environment-friendly asphalt pavement structure formed based on the haze-reducing asphalt pavement material. Background technique [0002] With the gradual deterioration of air quality, the occurrence frequency of smog weather phenomenon is getting higher and higher. They invade the human respiratory tract and lung lobes when people are unprepared, causing respiratory system diseases, cardiovascular system diseases, etc., and they are in this environment for a long time It can also induce lung cancer, myocardial ischemia and injury. In addition, smoggy weather also increases the risk of driving. Serial rear-end accidents of dozens of vehicles caused by smoggy weather are not uncommon, causing heavy losses. Therefore, for people's health and driving safety, it is imminent to reduce smog weather. [0003] There...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C04B26/26C04B14/02E01C7/26
Inventor 王慧赵队家刘少文沈佳刘利英
Owner SHANXI PROVINCIAL RES INST OF COMM
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