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Construction process of cement emulsified asphalt mortar penetrating semi-rigid road surface

A technology of cement emulsified asphalt and construction technology, applied in the field of road construction and maintenance, can solve problems such as extensive technology

Inactive Publication Date: 2018-05-29
HENAN UNIV OF URBAN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The construction process of this invention is simplified, and the supporting construction machinery and equipment have been miniaturized, simplified, and reduced in quantity, but the process is relatively extensive.

Method used

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  • Construction process of cement emulsified asphalt mortar penetrating semi-rigid road surface
  • Construction process of cement emulsified asphalt mortar penetrating semi-rigid road surface
  • Construction process of cement emulsified asphalt mortar penetrating semi-rigid road surface

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] A construction technique for cement-emulsified asphalt mortar penetrating semi-rigid pavement, comprising the following steps:

[0064] 1. Formation of cement emulsified asphalt mortar penetration type main structure;

[0065] 2. The roughening treatment of the formed main structure road surface;

[0066] 3. Laying the adhesive layer: apply the adhesive to the roughened road surface to form an adhesive layer;

[0067] 4. Lay the anti-slip and wear-resistant layer: before the adhesive material is dried and solidified, spread the anti-slip and wear-resistant material on the adhesive layer, and after drying for 2-3 hours, proceed to the next step;

[0068] 5. Coating anti-icing layer: After stirring the anti-icing coating evenly, roll it onto the anti-skid and wear-resistant layer;

[0069] 6. Heating and curing: After the anti-icing coating layer is dried for 1.0-1.5 hours, use the road surface dryer to heat and cure it, that is, complete the construction treatment of t...

Embodiment 2

[0116] Embodiment 2 is basically the same as Embodiment 1, and its difference is:

[0117] The binder is a mixture of the following raw materials by weight: 500 parts of polyacrylic resin, 200 parts of vinyl acrylate, 150 parts of high-viscosity anti-rutting particles, 50 parts of sodium bicarbonate, 45 parts of emulsifier, 9 parts of initiator, toluene 7 parts of diisocyanate, 20 parts of dimethyl sulfoxide, 15 parts of yellow dextrin, 3 parts of sodium hypochlorite, 3 parts of hydrogen peroxide and 200 parts of water; the emulsifier is castor oil ethylene oxide adduct and its derivatives, The initiator is diisopropyl peroxydicarbonate.

[0118] The composition of the high-viscosity anti-rutting particles is 50 parts of nano-tungsten particles, 50 parts of nano-zirconium particles, 30 parts of white carbon black, 15 parts of grafted starch, 15 parts of diatomite composite material, 15 parts of active volcanic ash, polyphenylene sulfide 10 parts of ether and 10 parts of glyce...

Embodiment 3

[0123] Embodiment 3 is basically the same as Embodiment 1, and its difference is:

[0124]The binder is a mixture of the following raw materials by weight: 400 parts of polyacrylic resin, 175 parts of vinyl acrylate, 125 parts of high-viscosity anti-rutting particles, 40 parts of sodium bicarbonate, 40 parts of emulsifier, 6 parts of initiator, 5 parts of toluene diisocyanate, 15 parts of dimethyl sulfoxide, 12 parts of yellow dextrin, 2 parts of sodium hypochlorite, 2 parts of hydrogen peroxide and 150 parts of water; the emulsifier is castor oil ethylene oxide adduct and its derivatives , the initiator is diisopropyl peroxydicarbonate.

[0125] The composition of the high-viscosity anti-rutting particles is 40 parts of nano-tungsten particles, 40 parts of nano-zirconium particles, 25 parts of white carbon black, 12 parts of grafted starch, 12 parts of diatomite composite material, 13 parts of active volcanic ash, polyphenylene sulfide 9 parts of ether and 9 parts of glycery...

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Abstract

The invention discloses a construction process of a cement emulsified asphalt mortar penetrating semi-rigid road surface. The construction process comprises the following steps that 1, a cement emulsified asphalt mortar penetrating main structure is formed; 2, a main structure road surface is subjected to roughening treatment; 3, an adhesive layer is laid; 4, an anti-skid wear-resistant layer is laid; 5, an anti-icing layer is coated; 6, heat curing is performed; and 7, traffic is opened / initial maintenance is performed. In the main structure of the construction process of the cement emulsified asphalt mortar penetrating semi-rigid road surface, the cement emulsified asphalt mortar penetrating semi-rigid road surface has high compressive strength and shearing strength, and the bearing capacity and the high temperature stability of the road surface are greatly improved; and meanwhile, the surface performance of the road surface is further optimized by a wear-resistant and anti-icing structure of the surface layer of the road surface, and the wear-resistance and anti-icing performance are enhanced.

Description

technical field [0001] The invention relates to the technical field of road construction and maintenance, in particular to a construction process of cement emulsified asphalt mortar semi-rigid pavement. Background technique [0002] The pavement with cement (second binder)-asphalt (first binder) composite material as the binder has both the advantages of rigid pavement and flexible pavement, and shows the mechanical characteristics of semi-rigid and semi-flexible. It is usually called semi-rigid and semi-flexible. Flexible pavement, also known as semi-rigid pavement, is currently mainly realized through two construction methods: the first method: adding rigid material cement mortar or pouring cement grout into the asphalt mixture matrix to improve the anti-rutting ability of the pavement, It also has anti-slip durability and low-temperature crack resistance. In terms of construction technology, this method is divided into mixing method and penetration method. The penetrati...

Claims

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Application Information

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IPC IPC(8): E01C7/24
CPCE01C7/24
Inventor 夏英志
Owner HENAN UNIV OF URBAN CONSTR
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