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Anti-ageing asphalt mastic material and preparation method thereof

An asphalt mastic and anti-aging technology, which is applied in the field of anti-aging asphalt mastic material and its production, can solve the problems of low anti-aging performance, low anti-aging performance and aging of asphalt mastic, and achieve low price Wumart, strong anti-aging performance, low cost effect

Active Publication Date: 2016-12-07
GEZHOUBA GRP PROJECT MANAGEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The surface of the anti-seepage layer of the asphalt concrete anti-seepage panel of the dam of the water conservancy and hydropower project must be coated with a layer of asphalt mastic for protection. The commonly used asphalt mastic has low anti-aging performance and will age in long-term exposure to sunlight; currently The anti-seepage of the building surface and the asphalt mastic on the bridge deck also have low anti-aging performance, and aging occurs after several years of use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] An anti-aging asphalt mastic material comprises the following components by weight:

[0037] 100 parts of asphalt, 125 parts of cement, and 130 parts of sand.

[0038] The cement is ordinary Portland cement.

[0039] The sand is artificially processed sand with a fineness modulus of 2.4.

[0040] The asphalt mastic material is soaked at 20°C for 72 hours, and the water absorption rate of the test material is less than 0.6% of the weight of the test piece.

Embodiment 2

[0042] An anti-aging asphalt mastic material comprises the following components by weight:

[0043] 100 parts of asphalt, 135 parts of cement, and 145 parts of sand.

[0044] The cement is ordinary Portland cement.

[0045] The sand is artificially processed sand or natural sand with a fineness modulus of 2.8.

[0046] The asphalt mastic material is soaked at 22°C for 72 hours, and the water absorption rate of the test material is less than 0.6% of the weight of the test piece.

Embodiment 3

[0048] An anti-aging asphalt mastic material comprises the following components by weight:

[0049] 100 parts of asphalt, 125 parts of cement, and 140 parts of sand.

[0050] The cement is ordinary Portland cement.

[0051] The sand is artificially processed sand or natural sand with a fineness modulus of 2.6.

[0052] The asphalt mastic material is soaked at 21°C for 72 hours, and the water absorption rate of the test material is less than 0.6% of the weight of the test piece.

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PUM

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Abstract

The invention relates to a material for impermeable layer protection of rolled type asphalt concrete face slabs of hydraulic and hydroelectric engineering, building surface impermeable coatings and bridge pavement, in particular to an anti-ageing asphalt mastic material and a preparation method thereof. The mastic material is prepared from components in parts by weight as follows: 100 parts of asphalt, 125-145 parts of cement and 130-150 parts of sand. The material has high ageing resistance and low flow value, and the problem that painted asphalt mastic is aged after a few years is solved.

Description

technical field [0001] The invention relates to a water conservancy and hydropower project rolling type asphalt concrete panel anti-seepage protection, building surface anti-seepage coating and bridge deck pavement materials, in particular to an anti-aging asphalt mastic material and its preparation method . Background technique [0002] The surface of the anti-seepage layer of the asphalt concrete anti-seepage panel of the dam of the water conservancy and hydropower project must be coated with a layer of asphalt mastic for protection. The commonly used asphalt mastic has low anti-aging performance and will age in the long-term exposure to sunlight; currently The anti-seepage of the building surface and the asphalt mastic for bridge deck pavement also have low anti-aging performance, and aging occurs after several years of use. [0003] Asphalt mastic is a kind of asphalt mixture composed of asphalt, fiber stabilizer, sand powder and a small amount of fine aggregate. It ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/20
CPCC04B28/04C04B2111/20C04B24/36C04B14/06C04B14/068
Inventor 朱志坚孙海涛周美曼
Owner GEZHOUBA GRP PROJECT MANAGEMENT
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