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Ice-condensation-resistant asphalt mixture

An asphalt mixture and anti-ice condensation technology, applied in the field of pavement materials, can solve the problems of high traffic accident rate, deviation, easy slippage of cars, etc., and achieve good anti-ice condensation performance, good high temperature stability and adhesion. Good results

Inactive Publication Date: 2018-08-31
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, on icy and snowy roads, cars are prone to skidding and deviation, and the braking distance is significantly prolonged, which seriously affects the handling stability and safety of the vehicle, and the incidence of traffic accidents is high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The anti-freeze asphalt mixture of the present embodiment, the material raw material comprises the following components by weight: 150 parts of aggregate, 50-parts of mineral powder, 10-20 parts of calcium sulfate, 60 parts of asphalt matrix, 20 parts of magnesium chloride, 8 parts of ethylene glycol, 2 parts of silane coupling agent, 2 parts of terpene resin, 3 parts of zeolite, 6 parts of diatomaceous earth, 1 part of simethicone, 2 parts of maleic anhydride, and 1 part of corrosion inhibitor.

[0014] In this embodiment, the aggregate is a mixture of basalt and limestone.

[0015] In this embodiment, the particle size of the basalt is 5-10 mm and 10-15 mm.

[0016] In this embodiment, the particle size of the limestone is 1-5mm.

[0017] In this embodiment, the mineral powder is limestone finely ground mineral powder.

[0018] In this embodiment, the corrosion inhibitor is zinc sulfate, and the silane coupling agent is KH-570.

Embodiment 2

[0020] The anti-freezing ice asphalt mixture of the present embodiment, the material raw material comprises the following components by weight: 250 parts of aggregate, 80 parts of mineral powder, 120 parts of calcium sulfate, 100 parts of asphalt matrix, 30 parts of magnesium chloride, 15 parts of B Diol, 6 parts of silane coupling agent, 6 parts of terpene resin, 8 parts of zeolite, 13 parts of diatomaceous earth, 3 parts of simethicone, 6 parts of maleic anhydride, 3 parts of corrosion inhibitor.

[0021] In this embodiment, the aggregate is a mixture of basalt and limestone.

[0022] In this embodiment, the particle size of the basalt is 5-10 mm and 10-15 mm.

[0023] In this embodiment, the particle size of the limestone is 1-5mm.

[0024] In this embodiment, the mineral powder is limestone finely ground mineral powder.

[0025] In this embodiment, the corrosion inhibitor is zinc sulfate, and the silane coupling agent is KH-570.

Embodiment 3

[0027] The anti-freezing ice asphalt mixture of the present embodiment, the material raw material comprises the following components by weight: 150 parts of aggregate, 80 parts of mineral powder, 10 parts of calcium sulfate, 100 parts of asphalt base, 20 parts of magnesium chloride, 15 parts of B Diol, 2 parts of silane coupling agent, 6 parts of terpene resin, 3 parts of zeolite, 13 parts of diatomaceous earth, 1 part of simethicone, 6 parts of maleic anhydride, 1 part of corrosion inhibitor.

[0028] In this embodiment, the aggregate is a mixture of basalt and limestone.

[0029] In this embodiment, the particle size of the basalt is 5-10 mm and 10-15 mm.

[0030] In this embodiment, the particle size of the limestone is 1-5mm.

[0031] In this embodiment, the mineral powder is limestone finely ground mineral powder.

[0032] In this embodiment, the corrosion inhibitor is zinc sulfate, and the silane coupling agent is KH-570.

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Abstract

The invention discloses an ice-condensation-resistant asphalt mixture. The composite material comprises the following components in parts by weight: 150 to 250 parts of aggregate, 50 to 80 parts of mineral powder, 10 to 20 parts of calcium sulfate, 60 to 100 parts of an asphalt matrix, 20 to 30 parts of magnesium chloride, 8 to 15 parts of ethylene glycol, 2 to 6 parts of a silane coupling agent,2 to 6 parts of terpene resin, 3 to 8 parts of zeolite, 6 to 13 parts of diatomite, 1 to 3 parts of polypropylene fiber, 1 to 3 parts of dimethyl silicon oil, 2 to 6 parts of maleic anhydride and 1 to3 parts of a corrosion inhibitor. The ice-condensation-resistant asphalt mixture provided by the invention has the following advantages: the aggregate and the mineral powder have good adhesion to asphalt; high-temperature stability is good; meanwhile, ice condensation resistance is good, so the freezing point of pavements in winter can be effectively reduced; the effect of slow release is achieved, so the ice condensation resistance has certain long-lasting durability; in addition, the ice-condensation-resistant asphalt mixture has high-temperature performance, low-temperature performance, water stability and pavement performance.

Description

technical field [0001] The invention relates to a pavement material, in particular to an anti-icing asphalt mixture. Background technique [0002] The antiskid performance of pavement is the key factor to ensure the safe driving of vehicles. However, in winter, it is common for road snow to freeze, especially in early winter or the end of winter, when the temperature alternates between warm and cold, the snow on the road surface gradually melts under the action of driving load, and a thin layer of ice is easily formed under the action of negative temperature. The skid resistance of the pavement dropped sharply. Ice and snow cause the adhesion coefficient of vehicle tires to be greatly reduced. The adhesion coefficient of dry asphalt concrete pavement is about 0.6, while the adhesion coefficient of snow-covered pavement is 0.2, and the adhesion coefficient of icy road is 0.15, which is reduced to 1 / 3 and 1 / 4 of dry asphalt concrete pavement. Therefore, on ice and snow road...

Claims

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Application Information

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IPC IPC(8): C04B26/26
CPCC04B26/26C04B2111/0075C04B2111/76C04B14/28C04B14/14C04B18/12C04B22/143C04B22/12C04B24/026C04B24/04C04B22/142C04B24/42C04B14/047C04B14/08C04B24/26
Inventor 伍川生郭亚鹏朱仔旭吴嘉昊姚睿涵陆锦宇袁林新张凯辉饶洎衔龙明宏陆晓玥鲍彦炜万国琪夏子西吕东奇谈朱斐
Owner CHONGQING JIAOTONG UNIVERSITY
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