Cement-base colored microsurface and construction method thereof

A construction method and cement-based technology, which is applied to roads, on-site paved coagulation pavements, roads, etc., can solve the problem that the demulsification time of emulsified asphalt is greatly affected by construction conditions, the protection effect of the road surface cannot be maintained for a long time, and the asphalt Problems such as the influence of the mixture performance, to achieve the effect of material ratio, simple construction, easy operation, and bright colors

Active Publication Date: 2015-11-25
SOUTHEAST UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing pavement micro-surfacing technologies mostly use emulsified asphalt to add aggregates, fillers and admixtures. However, the demulsification time of emulsified asphalt is greatly affected by construction conditions, and asphalt is easily deformed under high temperature conditions, which is different from that of aggregates. The adhesion effect is reduced by water damage and gradually peeled off, and the protective effect on the road surface cannot be maintained stably for a long time
Although colored asphalt pavement has been laid at home and abroad, it is used as a warning road and a sightseeing road, but the adhesion and vividness between the pigment and the asphalt are poor, and the asphalt needs to be decolorized to remove the black asphaltene contained in it. , have an impact on the performance of asphalt mixture

Method used

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  • Cement-base colored microsurface and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The material composition of the cement base layer: 100 parts of cement, 150 parts of red quartz sand, 50 parts of water, 2.5 parts of water-based silicone resin, 0.1% of the volume of 3mm polyvinyl alcohol fiber, 7 parts of waterproofing agent, 9.2 parts of iron oxide red, Thioisatin 0.8 part.

[0042] Mortar preparation process:

[0043] ① Weigh 100 parts of cement, 9.2 parts of iron oxide red powder, and 0.8 parts of thioisatin powder, put them into a grinder and grind for about 1 hour, take them out, add 7 parts of waterproofing agent and mix well;

[0044] The waterproof agent model is ZL205, provided by Shenzhen Jinyuan Construction Technology Development Co., Ltd. The waterproof agent can effectively improve the impermeability and waterproof performance of cement mortar and improve its durability. It is a powder and can be mixed with cement to facilitate construction.

[0045] ②Use a graduated cylinder to measure 50 parts of water, weigh 2.5 parts of water-based ...

Embodiment 2

[0059] The material composition of the cement base layer: 100 parts of cement, 160 parts of red quartz sand, 50 parts of water, 10 parts of water-based epoxy resin, 13 parts of corresponding curing agent, 0.1% of 6mm polyvinyl alcohol fiber volume, 7 parts of waterproofing agent , 9.2 parts of iron oxide red, 0.8 parts of thioisatin.

[0060] Mortar preparation process:

[0061] ① Weigh 100 parts of cement, 9.2 parts of iron oxide red powder, and 0.8 parts of thioisatin powder, put them into a grinder and grind for about 1 hour, take them out, add 7 parts of waterproofing agent and mix well;

[0062] The waterproof agent model is ZL205, provided by Shenzhen Jinyuan Construction Technology Development Co., Ltd. The waterproof agent can effectively improve the impermeability and waterproof performance of cement mortar and improve its durability. It is a powder and can be mixed with cement to facilitate construction.

[0063] ②Use a measuring cylinder to measure 50 parts of wate...

Embodiment 3

[0076] The material composition of the cement base layer: 100 parts of cement, 170 parts of red quartz sand, 50 parts of water, 3 parts of hydroxycellulose, 0.1% of 3mm polyvinyl alcohol fiber volume content, 7 parts of waterproofing agent, 9.2 parts of iron oxide red, sulfur Indigo 0.8 parts.

[0077] Mortar preparation process:

[0078] ① Weigh 100 parts of cement, 9.2 parts of iron oxide red powder, and 0.8 parts of thioisatin powder, put them into a grinder and grind for about 1 hour, take them out, add 7 parts of waterproofing agent and mix well;

[0079] The waterproof agent model is ZL205, provided by Shenzhen Jinyuan Construction Technology Development Co., Ltd. The waterproof agent can effectively improve the impermeability and waterproof performance of cement mortar and improve its durability. It is a powder and can be mixed with cement to facilitate construction.

[0080]②Use a graduated cylinder to measure 50 parts of water, weigh 3 parts of hydroxycellulose, and ...

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Abstract

The invention discloses a cement-base colored microsurface, belonging to the technical field of road engineering. The microsurface pavement comprises a cement-base layer, wherein the cement-base layer comprises the following components in parts by mass: 100 parts of cement, 150-170 parts of colored quartz sand, 50 parts of water, 7 parts of waterproofing agent and 10 parts of pigment; and the cement-base layer also comprises 0.1 vol% of polyvinyl alcohol fiber and a right amount of modifier. The modifier is composed of a water-based epoxy resin (the mass ratio of the water-based epoxy resin to the cement is (8-12):100) and a curing agent (the mass ratio of the curing agent to the water-based epoxy resin is 1.3:1), or hydroxy cellulose (the mass ratio of the hydroxy cellulose to the water is 3:100), or a water-based organic silicon resin (the mass ratio of the water-based organic silicon resin to the cement is 2.5:100). The color of the colored quartz sand has the same color system as the color of the pigment. The invention also discloses a construction method of the cement-base colored microsurface. The cement-base colored microsurface has the advantages of higher water resistance, higher crack resistance, higher wear resistance, higher color distinction degree and high color durability, and is easy for construction.

Description

technical field [0001] The invention relates to the technical field of road engineering, in particular to a cement-based colored micro-surfacing and a construction method thereof. Background technique [0002] With the current large-scale construction of urban roads and highways, the continuous increase in traffic volume and the complexity of the traffic network, the single color tone of ordinary asphalt concrete or cement concrete will bring aesthetic fatigue to drivers and pedestrians, which is not conducive to improving driving performance. attention and vigilance. At the same time, under the continuous action of ultraviolet rays, rain and load, asphalt pavement and cement pavement are prone to cracks, peeling, aging and other diseases, and rainwater seeping into the ground through cracks will damage the subgrade structure, seriously affecting the performance of the pavement and driving comfort. safety. [0003] In view of the problems existing in the above-mentioned pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/06C04B16/06E01C7/35
Inventor 顾兴宇陆力文
Owner SOUTHEAST UNIV
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