A kind of micro-surfacing mixture with snow-melting function and preparation method thereof

A technology of micro-surface mixture and function, which is applied in the field of micro-surface mixture with snow melting function and its preparation, which can solve the problems of salt loss and poor stability, delay snow freezing and improve cohesion , Improve the effect of cohesion performance

Active Publication Date: 2018-08-31
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has poor stability, and the salt substances are easily washed away by rainwater and lost in large quantities.
On the non-arterial roads of urban roads, it is mainly relying on manual snow removal and ice breaking at present. However, with the increase of car ownership and the increase of expressways, tunnels and bridges, it is difficult to meet people's travel requirements only by manual snow removal. Ice and snow gradually tend to be mechanized and automated, reflecting technical characteristics such as safety, speed, and environmental protection

Method used

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  • A kind of micro-surfacing mixture with snow-melting function and preparation method thereof
  • A kind of micro-surfacing mixture with snow-melting function and preparation method thereof
  • A kind of micro-surfacing mixture with snow-melting function and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The micro-surface mixture with snow melting function in this embodiment is made of the following raw materials by weight: 74.5 parts of aggregate, 8 parts of SBR modified emulsified asphalt, 5 parts of mineral powder, 7 parts of water, 1.5 parts of cement, microcapsule phase 2 parts of variable material, 2 parts of acetic acid snow melting agent; the nominal maximum particle size of the aggregate is not more than 9.5mm, and the particle size of the mineral powder is less than 0.075mm. The grade of the micro-surface mixture with snow melting function in this embodiment The matching type is MS-3, and the specific grading composition is shown in Table 1;

[0027] Table 1 MS-3 gradation design of the mixture at the micro-surface

[0028]

[0029] In this example, the weight of each component of the microcapsule phase change material is 70 parts of paraffin wax, 8 parts of zinc oxide (heat transfer agent), 7 parts of activated clay (anti-supercooling agent), and polymer water-abs...

Embodiment 2

[0035] The micro-surface mixture with snow melting function in this embodiment is made of the following raw materials by weight: 73.8 parts of aggregate, 8 parts of SBR modified emulsified asphalt, 5 parts of mineral powder, 8 parts of water, 1.2 parts of cement, microcapsule phase 1 part of variable material, 3 parts of acetic acid snow melting agent; the nominal maximum particle size of the aggregate is not more than 9.5mm, and the particle size of the mineral powder is less than 0.075mm. The grade of the micro-surface mixture with snow melting function in this embodiment The matching type is MS-3, and the specific grading composition is shown in Table 1;

[0036] In this example, the weight of each component of the microcapsule phase change material is 70 parts of paraffin wax, 8 parts of zinc oxide (heat transfer agent), 7 parts of activated clay (anti-supercooling agent), and polymer water-absorbing resin (anti-phase separation agent) ) 5 parts, melamine-formaldehyde resin 1...

Embodiment 3

[0042] The micro-surface mixture with snow melting function in this embodiment is made of the following raw materials by weight: 73.5 parts of aggregate, 8 parts of SBR modified emulsified asphalt, 5 parts of mineral powder, 8 parts of water, 1.5 parts of cement, microcapsule phase change 3 parts of materials, 1 part of acetic acid snow melting agent; the nominal maximum particle size of the aggregate is not more than 9.5mm, and the particle size of the mineral powder is less than 0.075mm. The gradation of the micro-surface mixture with snow melting function in this embodiment The type is MS-3, and the specific gradation composition is shown in Table 1;

[0043] In this example, the weight of each component of the microcapsule phase change material is 70 parts of paraffin wax, 8 parts of zinc oxide (heat transfer agent), 7 parts of activated clay (anti-supercooling agent), and polymer water-absorbing resin (anti-phase separation agent) ) 5 parts, 10 parts of melamine-formaldehyde...

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Abstract

The invention provides a micro-surface mixture with snow-melting function, which is made of the following raw materials in parts by weight: 73.5-74.5 parts of aggregate, 8-9 parts of SBR modified emulsified asphalt, 4-5 parts of mineral powder, water 7 to 9 parts, 1.2 to 1.8 parts of cement, 1 to 4 parts of microcapsule phase change material, 1 to 4 parts of acetic acid deicing agent, the gradation type of the micro-surface mixture with snow melting function is MS-3 type . The present invention also provides a method for preparing the above-mentioned micro-surface compound with snow-melting function. The micro-surface mixture prepared by the invention can play the role of melting snow and ice after the road surface is covered with ice and snow, can make the road have an active snow melting function, and can effectively improve the problem of melting snow and ice on the road in winter, and its preparation process is simple and has Extensive practical application value.

Description

Technical field [0001] The invention belongs to the technical field of road pavement, and specifically relates to a micro-surface mixture with snow melting function and a preparation method thereof. Background technique [0002] After years of driving on the existing asphalt concrete pavement and cement concrete pavement in China, a considerable part of the pavement has good overall structural strength, but a variety of surface functional diseases have appeared. For the maintenance and repair of this part of the pavement structure, from the perspective of reducing the impact on the road elevation and saving resources, only the surface function needs to be restored. The use of micro-surface maintenance technology is an ideal solution, and it is in preventive maintenance. Or in new roads, the micro-surface can also function as a surface wear layer, so the micro-surface mixture has been widely used in preventive maintenance of road surfaces. [0003] In winter, the road is frozen due...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B24/04C04B24/36
CPCC04B24/04C04B28/04C04B40/0039C04B2201/10C04B14/02C04B24/36C04B18/141C04B22/002C04B2103/0071C04B14/30C04B14/10C04B24/24C04B24/305
Inventor 郝培文常睿刘红瑛徐金枝张铭铭王春凌桂林
Owner CHANGAN UNIV
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