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Hollow polymer fiber reinforced polymer modified emulsified thin asphalt slurry seal for abnormal cross-section

A special-shaped cross-section, emulsified asphalt technology, which is applied to the coagulation pavement, roads, roads and other directions paved on site, can solve problems such as poor resistance to permanent deformation, that is, poor durability, inability to adapt to large deformation of asphalt pavement, and inability to meet large traffic, etc. It can prevent the occurrence and development of cracks, improve the affinity and uniform mixing, and the implementation method is simple and easy to implement.

Inactive Publication Date: 2007-02-07
SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the need to close the traffic for a long time during the maintenance of the traditional micro-surface, the high temperature environment is easy to soften, the resistance to permanent deformation is poor, and the durability is poor, and it cannot adapt to the situation of large deformation of the asphalt pavement of ordinary highways, and cannot meet the needs of large traffic, Disadvantages such as heavy traffic requirements on the road surface

Method used

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  • Hollow polymer fiber reinforced polymer modified emulsified thin asphalt slurry seal for abnormal cross-section
  • Hollow polymer fiber reinforced polymer modified emulsified thin asphalt slurry seal for abnormal cross-section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Polymer modified emulsified asphalt: SBS polymer modified emulsified asphalt, the asphalt ratio is 6%.

[0024] Fiber: No fiber added.

[0025] Filler: 425# ordinary Portland cement is used, and the dosage is 2%. All performances meet the requirements of "Technical Specifications for Highway Asphalt Pavement Construction" (JTGF40-2004).

[0026] Main aggregate: sand and stone chips. All properties meet the requirements of "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004).

[0027] Sieve hole

Embodiment 2

[0029] Polymer modified emulsified asphalt: SBS polymer modified emulsified asphalt, the asphalt ratio is 6%.

[0030] Fiber: for figure 1 The shown cross-section single-hole polyester fibers are all added in an amount of 0.10% of the total mass of the mixture.

[0031] Filler: 425# ordinary Portland cement is used, and the dosage is 2%. All performances meet the requirements of "Technical Specifications for Highway Asphalt Pavement Construction" (JTGF40-2004).

[0032] Main aggregate: sand and stone chips. All properties meet the requirements of "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004).

[0033] The mineral material gradation is as follows:

[0034] Sieve hole

Embodiment 3

[0036] Polymer modified emulsified asphalt: SBS polymer modified emulsified asphalt, the asphalt ratio is 6%.

[0037] Fiber: for figure 2 The shown porous polyester fiber with quincunx cross-section is 0.15% of the total mass of the mixture.

[0038] Filler: 425# ordinary Portland cement is used, and the dosage is 2%. All performances meet the requirements of "Technical Specifications for Highway Asphalt Pavement Construction" (JTGF40-2004).

[0039] Main aggregate: sand and stone chips. All properties meet the requirements of "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004).

[0040] Sieve hole

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Abstract

The invention relates to a special section hollow polymer fiber strengthen modified emulsion pitch diluted sealing layer, which is formed by general polymer modified emulsion pitch diluted sealing layer and special section single-hole or multi-hole polymer fiber, wherein the special section single-hole or multi-hole polymer fiber is 0.1-0.3% of total mass, while it can be single-hole or multi-hole polyester fiber, polyacryl-nitrile fiber, polyamide fiber, or the mixed fiber formed by them; the special section can be any shape; and the fiber is hollow with one or several holes along the axle.

Description

Technical field: [0001] The invention relates to an emulsified asphalt slurry seal layer, in particular to a reinforced polymer modified emulsified asphalt slurry seal layer mixed with polymer fibers. Background technique: [0002] Highway transportation is an essential infrastructure for the rapid development of contemporary economy and society, and its performance and quality often have a close impact on social life. Traffic accidents and frequent repairs caused by poor road performance often cause traffic jams and hinder economic and social development. How to delay the aging of asphalt pavement, prevent pavement cracks, and prolong the service life is an important issue faced by the road maintenance department. Therefore, it is necessary to continuously improve the performance of road maintenance materials and promote the use of new materials. [0003] With the widespread use of polymer modified asphalt, polymer modified emulsified asphalt is also developing rapidly. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/35
Inventor 姚立阳汤惠工何唯平
Owner SHENZHEN OCEAN POWER INDUSTRIAL CO LTD
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