CN100373007C - Pavement structure with epoxy thin antiskid layer and construction thereof - Google Patents

Pavement structure with epoxy thin antiskid layer and construction thereof Download PDF

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Publication number
CN100373007C
CN100373007C CNB2004100406702A CN200410040670A CN100373007C CN 100373007 C CN100373007 C CN 100373007C CN B2004100406702 A CNB2004100406702 A CN B2004100406702A CN 200410040670 A CN200410040670 A CN 200410040670A CN 100373007 C CN100373007 C CN 100373007C
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China
Prior art keywords
epoxy
part
component
preparation
layer
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CNB2004100406702A
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Chinese (zh)
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CN1746427A (en
Inventor
陈辉强
陈仕周
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重庆市智翔铺道技术工程有限公司
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Abstract

The present invention relates to a pavement structure with an epoxy thin antiskid layer and a construction mode thereof. Aiming at the problems that an antiskid capability thereof is reduced in the process of time, oscillating mark lines are laid, and thereby, the cost is high, the mark height is increased, and people sitting in a vehicle are uncomfortable in the prior art adopting slot broaching notch, the pavement structure with an epoxy thin antiskid layer and a construction mode thereof with simple structure and construction, low-temperature manufacture and normal temperature solidification is provided. Epoxy resin, toughener, modified asphalt, diluting agent, plasticizing agent, light stability agent and flame retardant are used for making a component A through low-temperature stir; 593 amine solidifying agent is mixed with a meta-diphenylamine solidifying agent; thin stone is dried by resin acceptor after soaked; preparing fine stone is filled after the component A is mixed with a component B; the base surface of a pavement layer 3 is cleaned, and the dry is kept; the preparing epoxy adhesive is coated on the pavement layer 3 by labor; abrasion-proof rubble is spread by labor; after the full solidification by the epoxy thin layer, redundant abrasion-proof rubble on the surface is cleaned.

Description

The job practices of epoxy thin layer antiskid layer road structure

One, technical field

The present invention relates to the job practices of highway construction road structure, especially a kind of preparation method of epoxy thin layer antiskid layer road structure.

Two, background technology

The road structure type of high-grade highway mainly contains two kinds, i.e. cement concrete pavement and flexible pavement.Cement concrete pavement is commonly referred to the rigid pavement, and surface layer rigidity is big, the intensity height, and the modulus of elasticity of concrete slab and intensity are far longer than the modulus of elasticity and the intensity of basic unit and soil matrix, and the road surface has " rigidity "; Flexible pavement is commonly referred to flexible pavement, and the modulus of elasticity and the basic unit of surface layer are more or less the same, and the asphalt concrete pavement deformability is good, can adapt to the distortion of basic unit and soil matrix, and the road surface has " flexibility ".

For some special road surface, as road surfaces such as long descending, bend and ring road, tunnel, charge station squares, it is good to require the road surface to have a cling property, can shorten the braking distance of automobile, the generation that avoids traffic accident or reduce the car crass degree, reduce the possibility that pernicious major accident takes place as far as possible, reduce the degree of the loss of people's lives and properties.Therefore domestic and international many scientific worker's road pavement anti-slip technology have been carried out extensive work.Have and adopt the kerve indentation, improve its surperficial anti-slide performance, but As time goes on, its anti-slide performance can very fast reduction, and recovers quite difficulty of its anti-slide performance, and this brings potential safety hazard for high speed traveling of road; Also have to be covered with the vibration graticule on the road surface, its cost height increases absolute altitude, gives the uncomfortable sensation of rider simultaneously.

Report from interrelated data, adopt a kind of epoxy asphalt concrete, be that a kind of epoxy resin modification pitch is as cementitious matter, it is under complex process, hot conditions and the compound of making, content of epoxy resin is few, its effect mainly is the bonding effect that strengthens between pitch and the building stones, and epoxy asphalt concrete pavement face self intensity is improved, and reaches corrosion resistance and abrasion resistance and also is improved.

Three, summary of the invention

The purpose of this invention is to provide a kind of structure, construction simply, the job practices of the epoxy thin layer antiskid layer road structure of low temperature preparation, normal temperature cure.

The technical scheme that purpose of the present invention adopted is that the job practices of road structure is as follows:

A) preparation component A:

By weight with epoxy resin 850S 30-60 part and flexibilizer AP-1 3-6 part, put into reactor, heating and constant temperature are to 30-60 ℃, at the uniform velocity stirred 10-40 minute, modified bitumen 25-35 part, 501 thinner 5-20 parts and plasticizer phthalic acid dimethyl ester 2-8 part of adding fusion more successively, heating and constant temperature are to 40-70 ℃, at the uniform velocity stirred 1-4 hour, stop heating, when treating that temperature is reduced to below 30 ℃, add light stabilizer salicylic acid benzene fat 1-5 part and fire retardant methylphosphonic acid two formicester 1-5 parts successively, stirring at normal temperature 1-3 hour;

B) preparation B component:

By weight with 593 amine curing agent 50-80 parts and diphenylamines curing compound 20-50 part, mix at mixer;

C) preparation filler:

Particle diameter is immersed in coupling agent vinyl-dimethyl TMOS between the fine rock material of 0.075mm-0.6mm, soak time 1-3 hour, takes out oven dry;

D) preparation epoxy adhesive:

By weight with 100 parts of component A and B component 10-15 part, put into stirred vessel mixing and stirring 2-6 minute, add fine rock material 130-150 part of preparation immediately, stirred 3-7 minute;

E) the epoxy thin layer construction that paves:

Earlier supercrust (3) basal plane is carried out cleaning, to remove the laitance and the dust on surface, keep dry, with above-mentioned d) preparation epoxy adhesive artificial blade coating paves on supercrust (3), thickness is 3-9mm, with manually sprinkling the wear-resisting rubble that the particle diameter of polishing value greater than 60 is 2-5mm, wear-resisting rubble consumption 10Kg/m through the washing oven dry 2, after 24 hours epoxy thin layers solidify fully, with manually sweeping off the unnecessary wear-resisting rubble in surface.

The present invention, modified bitumen is polystyrene-butadiene-styrene block copolymer modified bitumen.

The present invention, epoxy resin and curing compound form curing system, and it is the direct sources of intensity of the present invention, and wherein, the effect of a diphenylamines curing compound is further to strengthen high-temperature behavior of the present invention; The effect of flexibilizer AP-1 and plasticizing agent (repefral) is to increase low-temperature flexibility performance of the present invention, prevent that the present invention from ftractureing when low temperature, wherein, flexibilizer AP-1 is active, it has participated in the curing reaction of epoxy resin, and plasticizing agent (repefral) is nonactive, and it does not participate in the curing reaction of epoxy resin; The main effect of 501 thinners is to regulate flowability of the present invention, i.e. workability; The main effect of modified bitumen is to increase deformability of the present invention, and tool reduces the effect of product cost in addition; The effect of light stabilizer (phenyl salicytate) is to prevent that the present invention from taking place to wear out under the illumination effect; The effect of fire retardant (four basic dimethyl phosphonates) is to give good flame retardancy of the present invention, the economic loss when reducing the traffic accident generation; The effect of filler is to make the present invention in solidification process, forms cage construction, further strengthens intensity of the present invention; The effect of wear-resisting building stones is to form cling property of the present invention.

The present invention measures the friction factor of antiskid layer material surface and the construction depth of macroscopic view thereof and estimates its cling property.Friction factor is measured by portable pendulum tester.Construction depth is measured according to " test of 0731-2000 bituminous mixture surface texture depth ", and their test result is listed in the table below respectively.

The test result of antiskid layer material surface friction factor

The test result of antiskid layer material surface construction depth

Test result shows, the friction factor of antiskid layer material is 62.8, be far longer than in the highway design specifications requirement (more than or equal to 45) to the high-grade highway friction factor, and construction depth is 2.02mm, also be far longer than in the highway in China design specifications requirement to the high-grade highway construction depth (〉=0.55mm).Illustrate that the road surface has good cling property, be fit to mating formation of special road surface such as tunnel.

Characteristics such as simple in structure, easy construction that the present invention has does not need special equipment, and technology is simple, and the epoxy thin layer skid resistant course of low temperature preparation, normal temperature cure does not influence absolute altitude, and skidproof effect is remarkable.

Four, description of drawings

Further specify the present invention below in conjunction with accompanying drawing.

Accompanying drawing is a road structure schematic diagram of the present invention.

Among the figure: the wear-resisting macadam 2-of 1-epoxy thin layer 3-supercrust

Five, the specific embodiment

As shown in drawings, supercrust 3 surfaces are covered with epoxy thin layer 2, are bonded with wear-resisting macadam 1 on the epoxy thin layer 2.

By embodiment job practices of the present invention is described.

A) preparation component A:

By weight with 5 parts of 50 parts of epoxy resin 850S and flexibilizer AP-1, put into reactor, heating and constant temperature to 50 ℃, at the uniform velocity stirred 50 minutes, add 6 parts of 30 parts of the polystyrene modified bitumens, 15 parts of 501 thinners of fusion and plasticizer phthalic acid dimethyl esters more successively, heating and constant temperature to 60 ℃, at the uniform velocity stirred 3 hours, stop heating, when treating that temperature is reduced to below 25 ℃, add 4 parts of 4 parts in light stabilizer salicylic acid benzene fat and fire retardant methylphosphonic acid two formicesters successively, stirring at normal temperature 24 hours;

B) preparation B component:

By weight with 40 parts in 70 parts of 593 amine curing agents and a diphenylamines curing compound, mix at mixer;

C) preparation filler:

Particle diameter is immersed in coupling agent vinyl-dimethyl TMOS between the fine rock material of 0.075mm-0.6mm, soaks 1.5 hours, takes out oven dry, increases the fine rock material surface-active;

D) preparation epoxy adhesive:

By weight with 12 parts of 100 parts of component A and B component, put into stirred vessel and mix and stirred 4 minutes, add the fine rock material 140 for preparing immediately, stirred 5 minutes;

E) the epoxy thin layer construction that paves:

Earlier cement concrete pavement layer 3 basal planes are carried out cleaning, to remove the laitance and the dust on surface, keep dry, with above-mentioned d) the preparation epoxy adhesive, artificial blade coating paves on supercrust 3, and thickness is 5mm, with the wear-resisting building stones that manually sprinkle through the washing oven dry, after 24 hours, after the epoxy thin layer solidifies fully, with manually sweeping off the unnecessary wear-resisting rubble in surface.

Claims (2)

1. the job practices of an epoxy thin layer antiskid layer road structure is characterized in that job practices is as follows:
A) preparation component A:
By weight with epoxy resin 85OS 30-60 part and flexibilizer AP-1 3-6 part, put into reactor, heating and constant temperature are to 30-60 ℃, at the uniform velocity stirred 10-40 minute, modified bitumen 25-35 part, 501 thinner 5-20 parts and plasticizer phthalic acid dimethyl ester 2-8 part of adding fusion more successively, heating and constant temperature are to 40-70 ℃, at the uniform velocity stirred 1-4 hour, stop heating, when treating that temperature is reduced to below 30 ℃, add light stabilizer salicylic acid benzene fat 1-5 part and fire retardant methylphosphonic acid two formicester 1-5 parts successively, stirring at normal temperature 1-3 hour;
B) preparation B component:
By weight with 593 amine curing agent 50-80 parts and diphenylamines curing compound 20-50 part, mix at mixer;
C) preparation filler:
Particle diameter is immersed in coupling agent vinyl-dimethyl oxosilane between the fine rock material of 0.075mm-0.6mm, soak time 1-3 hour, takes out oven dry;
D) preparation epoxy adhesive:
By weight with 100 parts of component A and B component 10-15 part, put into stirred vessel mixing and stirring 2-6 minute, add fine rock material 130-150 part of preparation immediately, stirred 3-7 minute;
E) the epoxy thin layer construction that paves:
Earlier supercrust (3) basal plane is carried out cleaning, to remove the laitance and the dust on surface, keep dry, with above-mentioned d) preparation epoxy adhesive artificial blade coating paves on supercrust (3), thickness is 3-9mm, with manually sprinkling the wear-resisting rubble that the particle diameter of polishing value greater than 60 is 2-5mm, wear-resisting rubble consumption 10Kg/m through the washing oven dry 2, after 24 hours epoxy thin layers solidify fully, with manually sweeping off the unnecessary wear-resisting rubble in surface.
2. the job practices of a kind of epoxy thin layer antiskid layer road structure according to claim 1 is characterized in that modified bitumen is polystyrene-butadiene-styrene block copolymer modified bitumen.
CNB2004100406702A 2004-09-09 2004-09-09 Pavement structure with epoxy thin antiskid layer and construction thereof CN100373007C (en)

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CNB2004100406702A CN100373007C (en) 2004-09-09 2004-09-09 Pavement structure with epoxy thin antiskid layer and construction thereof

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Application Number Priority Date Filing Date Title
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CN1746427A CN1746427A (en) 2006-03-15
CN100373007C true CN100373007C (en) 2008-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107805992A (en) * 2017-11-16 2018-03-16 广东交通实业投资有限公司 The construction method of the ultra-thin close water antiskid layer of bituminous paving epoxy

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CN101173104B (en) * 2007-10-19 2011-06-08 武汉理工大学 Method for producing damping porous denoise tunnel asphalt covering material
CN102352592B (en) * 2011-08-09 2013-08-28 重庆市智翔铺道技术工程有限公司 Tunnel asphalt pavement bright-color functional layer based on bright-color gravel
CN102888808A (en) * 2012-11-02 2013-01-23 重庆诚邦路面材料有限公司 Surface layer micro-treating method of asphalt concrete pavement
CN103215872B (en) * 2012-12-11 2015-09-16 傅远辉 A kind of novel dew stone pavement construction method
CN103351813B (en) * 2013-07-09 2016-04-13 杨林江 A kind of bitumastic and preparation method thereof
CN103964747B (en) * 2014-04-10 2016-01-20 广东省建筑科学研究院集团股份有限公司 A kind of weather-proof quick-drying road surface breakage patching material and preparation method thereof
CN103938513B (en) * 2014-04-17 2017-02-15 上海陆桥市政工程有限公司 Construction process of colored pavement epoxy non-slip wearing layer structure
CN105421184A (en) * 2015-11-09 2016-03-23 重庆诚邦路面材料有限公司 Fine surface treatment method for sand-contained type bituminous pavement
CN105256690A (en) * 2015-11-09 2016-01-20 重庆诚邦路面材料有限公司 Fine surface processing method for single-layer paved bituminous pavement
CN105421185A (en) * 2015-11-09 2016-03-23 重庆诚邦路面材料有限公司 Fine surface treatment method for double-layer spread type bituminous pavement
CN108929619A (en) * 2018-07-26 2018-12-04 太原市路邦科技有限公司 A kind of antiskid sealing composite material and preparation method for road

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Non-Patent Citations (1)

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隧道内薄层抗滑层材料性能研究. 李祖伟,陈辉强,牟建波,陈仕周.中外公路,第22卷第6期. 2002 *

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107805992A (en) * 2017-11-16 2018-03-16 广东交通实业投资有限公司 The construction method of the ultra-thin close water antiskid layer of bituminous paving epoxy

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