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Ultra-viscous seal coat on bituminous pavement and construction method thereof

A kind of asphalt pavement and adhesive sealing technology, which is applied to roads, roads, on-site coagulation pavement, etc., can solve the problems of unsatisfactory economic and social benefits, fast decay of surface functions, large carbon emissions, etc., and achieve energy saving The effect of environmental protection is obvious, the attenuation speed is slowed down, and the overall energy consumption is reduced.

Inactive Publication Date: 2012-04-25
XIAN GUOLIN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of micro-surfacing technology are that the bonding effect with the original road surface is poor, it is easy to fall off, the noise is large, the surface function decays quickly, and the service life is short
In addition, although the ultra-thin wearing layer technology in the prior art can overcome some defects of the micro-surfacing technology, because the wearing layer uses hot mix asphalt mixture and the structural layer is thick, the carbon emission is large and the cost is high. Moreover, it is necessary to configure large-scale hot-mix asphalt mixing equipment for construction, and the economic and social benefits are not ideal.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of asphalt pavement super-adhesive sealing layer, including the following structure: high-performance modified emulsified asphalt bonding layer and super-viscous cold mix wear layer, the super-viscous cold mix wear layer consists of aggregate, cement, water, composite modified Emulsified asphalt and fiber are cold mixed, and its composition ratio is aggregate: cement: water: composite modified emulsified asphalt: fiber: liquid additive = 100:3:8:15:0.5:1.

[0020] The thickness of the super sticky cold mix wear layer is 10mm;

[0021] The aggregate is crushed stone with a particle size of 0.075 mm to 8 mm.

[0022] The composite modified emulsified asphalt is SBS and SBR composite modified emulsified asphalt, cationic, and its solid content is 60%.

[0023] The fiber is glass fiber with a specification of 2000 g / km and a length of 8 mm.

[0024] The material of the high-performance modified emulsified asphalt bonding layer is SBS modified emulsified asphalt, it...

Embodiment 2

[0026] An asphalt pavement super-adhesive sealing layer, including the following structure: high-performance modified emulsified asphalt bonding layer and super-viscous cold mix wear layer, the super-viscous cold mix wear layer consists of aggregate, cement, water, composite modified Emulsified asphalt, fiber and liquid additives are cold mixed, and its composition ratio is aggregate: cement: water: composite modified emulsified asphalt: fiber: liquid additive = 100: 2: 4: 8: 0.1: 0.3.

[0027] The thickness of the super sticky cold mix wear layer is 20mm;

[0028] The aggregate is crushed stone with a particle size of 0.075 mm to 12 mm.

[0029] The composite modified emulsified asphalt is SBS and SBR composite modified emulsified asphalt, cationic, and its solid content is 70%.

[0030] The fiber is glass fiber with a specification of 3000 g / km and a length of 20mm.

[0031] The material of the high-performance modified emulsified asphalt bonding layer is SBS modified emul...

Embodiment 3

[0033] An asphalt pavement super-adhesive sealing layer, including the following structure: high-performance modified emulsified asphalt bonding layer and super-viscous cold mix wear layer, the super-viscous cold mix wear layer consists of aggregate, cement, water, composite modified Emulsified asphalt, fiber and liquid additives are cold mixed, and its composition ratio is aggregate: cement: water: composite modified emulsified asphalt: fiber: liquid additive = 100: 1: 6: 10: 0.3: 0.5.

[0034] The thickness of the super sticky cold mix wear layer is 15mm;

[0035] The aggregate is crushed stone with a particle size of 0.075 mm to 12 mm.

[0036] The composite modified emulsified asphalt is SBS and SBR composite modified emulsified asphalt, cationic, and its solid content is 65%.

[0037] The fiber is glass fiber with a specification of 2500 g / km and a length of 15 mm.

[0038] The material of the high-performance modified emulsified asphalt bonding layer is SBS modified em...

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Abstract

The invention relates to an ultra-viscous seal coat on the bituminous pavement and a construction method thereof. The ultra-viscous seal coat comprises a high performance modified emulsified bitumen bonding layer and an ultra-viscous cold-mixed material wearing layer which is obtained by cold-mixing aggregates, cement, water, composite modified emulsified bitumen, a fiber and a liquid additive. According to the construction method of the seal coat, the ultra-viscous cold-mixed material wearing layer mixing and lying and the high performance modified emulsified bitumen sprinkling are synchronously carried out. The seal coat has the characteristics of ultra bonding, high water resistance, high sliding resistance, low noise, crack resistance, low carbon, energy saving and environmental protection.

Description

technical field [0001] The invention relates to asphalt pavement maintenance technology, in particular to an asphalt pavement super-adhesive seal layer and a construction method thereof. Background technique [0002] There are many types of preventive maintenance technologies for asphalt pavement, and there are different maintenance methods and technologies for different types of pavement diseases. Among them, micro-surfacing technology has been widely used in recent years as a preventive maintenance technology to improve the anti-skid ability and water damage ability of the original pavement, prolong the life of the pavement, and improve the appearance of the road. The micro-surfacing technology is to directly pave the modified emulsified asphalt slurry mixture on the original road surface, and the cementing material is SBR modified emulsified asphalt. The disadvantages of micro-surfacing technology are that the bonding effect with the original road surface is poor, it is ...

Claims

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Application Information

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IPC IPC(8): E01C7/35
Inventor 徐士元张兴林张晓宏韩耀斌陈梁张俊博高文娟
Owner XIAN GUOLIN IND
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