CN103469712B - The anti-rut anti-skid surface method for paving of a kind of coating - Google Patents
The anti-rut anti-skid surface method for paving of a kind of coating Download PDFInfo
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- CN103469712B CN103469712B CN201310457136.0A CN201310457136A CN103469712B CN 103469712 B CN103469712 B CN 103469712B CN 201310457136 A CN201310457136 A CN 201310457136A CN 103469712 B CN103469712 B CN 103469712B
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Abstract
The invention provides the anti-rut anti-skid surface method for paving of a kind of coating, its technological process: preparation of construction → early stage processing → priming paint preparation → priming paint coating → aggregate spreading and recovery → finish paint preparation coating → health → final cleanup; Mainly by evenly applying acrylic resin on pitch top layer, high abrasion value aggregate is layed in to its surface, aggregate and priming paint are combined in good condition, Nano filling in priming paint or finish paint makes coat have very strong heat reflection, greatly reduce the surface temperature 5-12 DEG C of coating at hot weather, make road surface temperature lower than asphalt softening point, can effectively solve a pavement track difficult problem. This coat is higher than plain asphalt surface friction coefficient, has good skid resistance, can improve the wearability on road surface, and it is dazzlingly beautiful that the color on road surface keeps for a long time.
Description
Technical field
The present invention relates to a kind of construction method of town road bituminous paving, the anti-ways of the special design anti-rut of a kind of coatingSurface paving method.
Background technology
Asphalt is a kind of viscoelastic material, and its physical and mechanical property and temperature have very close relationship. PitchA kind of heat-absorbing material, very high to the absorptivity of solar irradiation, conventionally can reach 90%-95%. The practice of road occupation shows,Under common carload condition, permanent deformation be mainly summer air themperature higher than 25 DEG C of-30 DEG C of left and right, i.e. asphalt roadsTable temperature in Mian road reaches 40 DEG C more than-50 DEG C, has has met or exceeded in the situation of softening point temperature of road asphalt easilyProduce, and along with the rising of temperature and increasing the weight of of load, be out of shape larger. On the contrary, lower than this temperature, just can not produce seriousDistortion. High temperature de-stabilise destruction occurs on many road surfaces is all under this temperature condition. In summer, do in the lasting heat radiation of the sunWith under, amount of heat is absorbed by asphalt concrete pavement and accumulates in asphalt concrete pavement, makes asphalt concrete pavement temperatureDegree is far away higher than temperature, and the bearing capacity that causes thus bituminous concrete declines, and causes asphalt concrete pavement to occur seriousRut disease. At present, in the earlier period damage of bituminous paving, rut occupies significant proportion. Rut refers in repeated rows turner and doesDistortion is pushed in densification under accumulated deformation and the Driving Loading of the bituminous paving irrecoverable strain under load action, is dropThe most general a kind of failure mode of blue or green surface deformation. Town road asphalt pavement rut generally appears at town road crossroadMouthful, bus platform wait for bus brake, start position more frequently. In high temperature summer, the surface temperature of bituminous paving is often higher than dropBlue or green softening point, bearing capacity declines, and therefore under local function, easily forms rut, causes driving uncomfortable and affect pitchThe service life on road surface.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of coating anti-skid surface method for paving, solve road surfaceA difficult problem for rut, owing to having added a kind of special Nano filling, makes coat have heat very high anti-in this coatPenetrate rate, therefore can effectively reduce the temperature of coat, reduce the generation of rut; And this coat rubs than plain asphalt road surfaceWiping coefficient is high, has good skid resistance, can improve the wearability on road surface, and it is dazzlingly beautiful that the color on road surface keeps for a long time, subtractsThe accident causing because of road surface slippery less.
The present invention realizes by the following technical solutions:
The anti-rut anti-skid surface method for paving of a kind of coating, is characterized in that comprising following processing step:
(1) preparation of construction:
Cleaning road dust and barrier, the road surface of guaranteeing to construct is smooth, clean, there is no pavement disease; There is dell on road surfaceOr duck eye can use suitable inserts to repair road surface; With the sander road surface that will construct of polishing, then to spread particle diameter be the bone of 0.5 millimeterAfter material joint filling, clean up with broom; Clean road surface with degreasing agent or abluent, or with the steel wire lump ground of polishing; Dust is with blowingMechanism of qi is swept; Before construction, must guarantee that road surface is dried, moist road surface can dry up road surface with hot compressed air machine, spyNot environment in winter, must heating road surfaces, and accelerate resin and condense, when temperature is following lower than 0 DEG C, should not construct;
(2) process early stage:
In boundary of works area, cut apart different color and edge sealing with ox-hide gummed paper or adhesive tape; Measure boundary of works area area, so thatCalculate acrylic resin construction consumption;
(3) preparation of priming paint:
The proportioning of priming paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.015:0-0.2:0.012, acrylic resin is added to the stainless steel cask after clean dry, then add Nano filling, adopt mixer stirring at low speed,After Nano filling and acrylic resin soak substantially, adopt 800r/min high-speed stirred 15～20 minutes, mixed coating is fallenReturn former bucket, seal, deposit, when needs add supporting pigment, same way stirs one minute; Before use, add curing agent, immediatelyAdopt mixer to be uniformly mixed 15～20s, until priming paint and curing agent stir completely and at the appointed time canSolidify, then use immediately;
(4) coating of priming paint:
Be poured on immediately in the region of finishing line on road surface just preparing priming paint, scrape with jagged rubber flap immediatelyFlat, must not pour out outside adhesive tape and line; In the time of 20 DEG C, be in 20 minutes the service time of priming paint; After exceeding 30 minutes, priming paintBecome abandoning of thick knot; The coverage rate of priming paint is at 2.0 ± 0.2kg/ ㎡;
(5) spreading of aggregate and recovery:
Sand is sprinkling upon above priming paint quickly and evenly, and institute's stucco should be as the criterion just to cover priming paint, suitably spread moreA bit; In the time of solidifying priming paint 10min, should throw off rapidly adhesive tape, while taking off, do not overflow and flow as standard taking priming paint; Construct 1After individual hour, utilize and push away sand plate or black iron spade receipts sand; After having constructed 3 hours, first utilize the cleaning of hard plastic whisk broom, recycling is blownBlower fan is removed floating sand, cleans out as far as possible;
(6) preparation of finish paint and coating:
The proportioning of finish paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.02:0-0.2:0.012, acrylic resin is added to the stainless steel cask after clean dry, then add Nano filling by the proportioning of design, employing is stirredMix machine stirring at low speed, after Nano filling and acrylic resin soak substantially, adopt 800r/min high-speed stirred 15～20 minutes,Mixed coating is refunded to former bucket, sealed, deposits, and when needs add supporting pigment, same way stirs one minute; Before use, addCuring agent, adopts mixer to be uniformly mixed 15～20s immediately, until finish paint and curing agent stir completely and regulationIn time, can solidify, then use immediately; Mix up finish paint by design quantity, finish paint is fallen in the bottom surface of having completed, profitFast finish paint is evenly applied with hair roller, to prevent that finish paint from solidifying;
(7) health:
By job site fencing lawn 6～8 hours, change according to pavement temperature, curing time is different;
(8) final cleanup:
After construction, tear adhesive tape, need, by pavement construction garbage-cleaning, can not stay job site at once; Before being open to traffic,Again sweep road surface once, aggregate unnecessary surface is swept away.
Preferably, in described step (5), should reserve 10～15cm not with the next region joining part that is about to mat formationStucco, but need to carry out immediately the coating work of adjacent area priming paint, stucco then, not yet solid to ensure last region priming paintChange, construction so successively, the road surface that can ensure to mat formation is connected nature, without sharp trace.
Technological principle of the present invention:
The anti-skidding treatment technology that applies colored anti-rut anti-skid surface is mainly by evenly apply high property on pitch top layerThe bi-component acrylic resin that mixes Nano filling of energy, makes it have good heat reflection effect, greatly reduces surface temperature,Thereby play the object of anti-rut, in addition the colored aggregate of high abrasion value is layed in to its surface, make aggregate and base material in good conditionCombine, ensureing, under the prerequisite of splendid adhesive force, high abrasion resistance strength, to have greatly reduced the generation of rut, increasedThe durability on road surface, and improve the anti-skidding value (more than BPN70) on road surface, finally play prolongation Road Service Life and reducedThe accident causing because of road surface slippery.
The invention has the beneficial effects as follows: the present invention increases Nano filling as heat insulation material in coating color anti-skid road surfaceMaterial, can reduce bituminous paving surface temperature at hot weather, makes the road surface temperature lower than asphalt softening point, reaches anti-rutEffect. This coat is higher than plain asphalt surface friction coefficient, has good skid resistance, can improve the wearability on road surface, roadIt is dazzlingly beautiful that the color of face keeps for a long time. At bus platform, the coat of 50 meters of construction different colours after the stop line of crossing, canTo improve driver's recognition effect, make driver's notice more concentrated, thereby play induction wagon flow, safe driving, makeThe effect of traffic administration visualize. Show to increase heat-barrier material in the anti-rut color anti-skid road surface of coating through experimental data passableReduce bituminous paving surface temperature 5-12 DEG C, can effectively solve a pavement track difficult problem.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is construction flow chart of the present invention.
Detailed description of the invention
With reference to detailed description of the invention, method of the present invention is done to following detailed explanation.
Embodiment: the anti-rut anti-skid surface method for paving of a kind of coating
1 construction flow chart
Construction flow chart of the present invention refers to accompanying drawing 1.
Material and equipment
2.1 equipment
Generator, hair-dryer, scrub-brush, besom, hair cylinder, spade, reflective cone, gloves, electric mixer, hand propelled roadFace cleaner, pavement sander.
2.2 base-materials (acrylic resin)
(1) material meets environmental requirement.
(2) pavement material base-material requires adhesive power lasting. Base-material is the important component part of pavement material, and base-material is wantedAsk adhesive power lasting, can with the pavement of road of various materials (pitch, cement pavement) good bond.
(3) benzene-toluene, dimethylbenzene parameter will meet: GB18583-2001 (has in indoor decorating and refurnishing materials adhesiveHarmful substances limitation) in index request.
(4) base-material and Nano filling and curing agent must leave in indoorly, can not be placed on open air and be exposed to the sun or expose to wind and rain.Otherwise be to affect product quality.
(5) main performance index:
Hot strength: be greater than 10.5N/MM2
Stretch value: be greater than 20%
Peel strength (floating roller method): be greater than 2KN/M
Adhesion strength (with pitch): 2MPA
Benzene :≤do not contain
Toluene+dimethylbenzene :≤do not contain
Total volatile organism :≤5g/L;
Hardening time: be greater than 30 DEG C: 1 hour
30 DEG C-20 DEG C: 2-3 hour
10 DEG C-20 DEG C: 3-5 hour
2.3 aggregate
(1), in order to ensure the color effect of mating formation, require the totally no-sundries of building stones adopting. Inside and outside color evenCause, without obvious aberration.
(2) leading indicator:
Minimum polishing value is: be greater than 45; National standard: T0321-1994
Mohs' hardness: be greater than 6.8
Robustness: be greater than 12%; National standard T0310-2000
Crush values: be less than 15%; National standard T0316-2000
Elongated flat granule content: be less than 5%; National standard T0312-2000
Moisture: be less than 0.5%
Color: uniformity, without obvious aberration
Aggregate must leave the place that upper cover ventilates in.
3 concrete operation steps
3.1 preparation of construction
(1) cleaning road dust and barrier, the road surface of guaranteeing to construct is smooth, clean, there is no pavement disease;
(2) suitable inserts be can use, road surface dell or duck eye (hole) repaired;
(3) with the sander road surface that will construct of polishing, then to spread particle diameter be to sweep with broom after the aggregate joint filling of 0.5 millimeterTotally. Clean road surface with degreasing agent or abluent, or with the steel wire lump ground of polishing. Dust is swept with air feeder.
(4) before construction, must guarantee that road surface is dried, moist road surface can dry up road surface with hot compressed air machine,Particularly winter environment, must heating road surfaces, and accelerate resin and condense, when temperature is following lower than 0 DEG C, should not construct.
Process 3.2 early stages
(1) in boundary of works area, cut apart different color and edge sealing with ox-hide gummed paper or adhesive tape;
(2) measure boundary of works area area, to calculate acrylic resin construction consumption;
The preparation of 3.3 priming paint
(1) rainproof Polypropylence Sheet is laid on to ground → clean stainless steel cask and mixer, and after fully dry, by acrylic acidResin or finish paint coating (1 barrel or half barrel) add stainless steel cask → again to add Nano filling by the proportioning of design, adopt mixerStirring at low speed, after Nano filling and acrylic resin soak substantially, adopts 800r/min high-speed stirred 15～20 minutes → willMixed priming paint is refunded former bucket, is sealed, deposits (if add supporting pigment, same way stirs one minute). Will before usingHalf barrel of priming paint adds curing agent, adopts immediately mixer to be uniformly mixed, and the time is about 15～20s, until mixture is completeStir and can solidify at the appointed time. Then be poured in the region of finishing line, must not pour out adhesive tape at onceOutside paper and line. The proportioning of priming paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.015:0-0.2:0.012. Described curing agent component is dibenzoyl peroxide; Described Nano filling is taking nano titanium oxide TiO2 as mainNano filling. Described acrylic resin is commercially available cold painting type pavement antiskid paint.
(2) if base-material becomes thick knot. Can use the method for hot-water soak, increase the mobility of base-material. Method of operating asUnder: water is warmed to 100 DEG C with large metal bucket, then base-material bucket is placed in hot water and soaks 2-3 minute, increase flowing of base-materialProperty. Do not allow with the fire base-material of directly heating.
3.4 priming paint coatings
(1) priming paint is poured on behind road surface, strikes off immediately with jagged rubber flap. In the time of 20 DEG C, the service time of priming paintApproximately in 20 minutes; After exceeding 30 minutes, priming paint becomes abandoning of thick knot.
(2) coverage rate of priming paint is at 2.0 ± 0.2kg/ ㎡.
(3) no matter the coverage rate of priming paint is how many, and optimal coverage condition is to have 2/3 aggregate by adhesive bagWrap up in. Cross thin prime coat, can cause aggregate to come off; Blocked up prime coat, waste material, increases cost.
The spreading of 3.5 aggregates and recovery
(1) two workman, respectively at the both sides, road surface of mating formation, uses black iron spade that sand is sprinkling upon above priming paint equably, instituteStucco should be as the criterion just to cover priming paint, can suitably spread more. This process also should be as quickly as possible. Should be noted, be about toThe next region joining part of mating formation should reserve approximately not stucco of 10～15cm, but need to carry out immediately the painting of adjacent area priming paintCover work, stucco then, not yet curing to ensure last region priming paint, construction so successively, the road surface that can ensure to mat formation is connected certainlySo, without sharp trace.
(2) in the time of the about 10min of solidifying priming paint left and right, can attempt taking off adhesive tape, while taking off, not overflow mobile with priming paintFor standard, now should throw off rapidly adhesive tape, to prevent overlong time, solidifying priming paint, adhesive tape is difficult for removing, and outfit isFlat mouth screwdriver or the blade of cutting a sheet of paper.
(3) constructed after 1 hour, first one or two workman utilizes and pushes away sand plate or black iron spade receipts sand.
(4) after having constructed 3 hours, two workmans utilize the cleaning of hard plastic whisk broom, and whipper-in workman utilizes hair-dryerBlast, removes floating sand, cleans out as far as possible.
(5), in aggregate removal process, avoid mixing with the aggregate of other color as far as possible.
(6) after aggregate reclaims, aggregate is sieved one time again with screen cloth, the bulk that aggregate is bonded together screens out,Aggregate can be reused like this.
3.6 are coated with finish paint
The proportioning of finish paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.02:0-0.2:0.012, mix up finish paint (with reference to the preparation of 3.3 priming paint) by design quantity, utilize dipper to fall in the bottom of having completed finish paintSurface, utilizes a mao rod fast finish paint evenly to be applied by two workmans, and this process will be as quickly as possible, to prevent that finish paint from solidifying. ProtectDemonstrate,prove each corner and all cover last layer finish paint (apparent is glittering one deck, does not coat if not shinny). As sent out in coating procedureExisting hair roller hardens, the roller of more moulting immediately.
3.7 health
By job site fencing lawn 6～8 hours, change according to pavement temperature, curing time is different.
3.8 final cleanup
(1), after construction, tear adhesive tape at once. The adhesive tape tearing, is contained in refuse bag.
(2) after construction, need, by pavement construction garbage-cleaning, can not stay job site.
(3) before being open to traffic, again sweep colored road surface once, aggregate unnecessary surface is swept away.
3.9 coating color anti-skid road surface technical indicators
Anti-skid factor: >=70; Construction depth: > 0.7mm; Thickness: > 3-5mm; Surface smoothness: 1m2≤2.5mm。
Quality control
4.1 basic demand
4.1.1 base-material should meet the regulation of design drawing (arrangement and method for construction), and outsourcing material must three card (card that dispatches from the factory,The quality certification, the certificate of inspection) complete, after marching into the arena, need to be carried out in accordance with regulations reinspection.
4.1.2 must not there is holiday and blocked up phenomenon in prime coat.
4.1.3 aggregate quality used and specification must meet the requirement of this engineering method 3.3, after marching into the arena, need to be carried out in accordance with regulationsRecheck.
4.1.4 aggregate should be spread in above priming paint, and the aggregate of spreading is as the criterion to cover adhesive completely.
4.1.5, after aggregate reclaims, application screen cloth again sieves aggregate and can use for one time.
4.1.6 quality control standards (QCS)
Surface smoothness: 1 square metre≤2.5MM
Integral thickness :+2.5MM/-1.5MM
Coefficient of friction (pendulum value): more than 70
Construction depth: > 0.7MM
Color: without obvious aberration
4.2 quality problems that should note and common quality defects
4.2.1 early stage processing stage
Drifting along or be too smooth in surface, causes the cohesive force deficiency on priming paint and ground. Processing method is cleaning road surface ashDirt and barrier, the road surface of guaranteeing to construct is smooth, clean.
4.2.2 the priming paint coating stage
Prime coat is blocked up, causes wasting material, increases cost, and may cause the complete package aggregate of priming paint, and it is lostAntiskid function; Prime coat is excessively thin, can cause aggregate to come off. Processing method is to ensure that the coverage rate of priming paint is at 2.0 ± 0.2kg/ ㎡,Optimal coverage condition is to have 2/3 aggregate to be wrapped up by priming paint.
4.2.3 the spreading of aggregate and recovery stage
Aggregate spreading is inhomogeneous, local too much, local spreading less than, priming paint has the phenomenon of exposing. Processing method is to ensure boneMaterial is spread in above priming paint equably, and the aggregate of spreading is as the criterion to cover priming paint completely. For unnecessary aggregate, can be clear at twiceRemove, respectively: after constructing 1 hour with soft broom, aggregate unnecessary surface is removed; With bristle broom constructionAfter complete 3 hours, aggregate unnecessary surface is removed.
4.2.4 the health stage
Aggregate comes off or surface after treatment leaves the marking. Processing method is by job site fencing lawn 6～8 hours againOpen to traffic.
Claims (1)
1. the anti-rut anti-skid surface method for paving of coating, is characterized in that comprising following processing step:
(1) preparation of construction:
Cleaning road dust and barrier, the road surface of guaranteeing to construct is smooth, clean, there is no pavement disease; There is dell or little on road surfaceHole is used suitable inserts to repair road surface; With the sander road surface that will construct of polishing, then to spread particle diameter be the aggregate joint filling of 0.5 millimeterClean up with broom afterwards; Clean road surface with degreasing agent, or with the steel wire lump ground of polishing; Dust is swept with air feeder; ConstructionBefore, must guarantee that road surface is dried, moist road surface dries up road surface with hot compressed air machine, particularly winter environment, necessaryHeating road surfaces, and accelerate resin and condense, when temperature is following lower than 0 DEG C, should not construct;
(2) process early stage:
In boundary of works area, cut apart different color and edge sealing with ox-hide gummed paper or adhesive tape; Measure boundary of works area area, to calculateAcrylic resin construction consumption;
(3) preparation of priming paint:
The proportioning of priming paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.015:0-0.2:0.012, acrylic resin is added to the stainless steel cask after clean dry, then add Nano filling, adopt mixer stirring at low speed,After Nano filling and acrylic resin soak substantially, adopt 800r/min high-speed stirred 15～20 minutes, mixed coating is fallenReturn former bucket, seal, deposit, when needs add supporting pigment, same way stirs one minute; Before use, add curing agent, immediatelyAdopt mixer to be uniformly mixed 15～20s, until acrylic resin, Nano filling, pigment and curing agent stir all completelyEven and can solidify at the appointed time, then use immediately;
If base-material becomes thick knot, by the method for hot-water soak, increase the mobility of base-material: water is warmed to 100 DEG C with large metal bucket,Then base-material bucket is placed in hot water and soaks 2-3 minute, increase the mobility of base-material; Do not allow with the fire base-material of directly heating;
(4) coating of priming paint:
Be poured on immediately in the region of finishing line on road surface just preparing priming paint, strike off with jagged rubber flap immediately, noMust pour out outside ox-hide gummed paper and line; In the time of 20 DEG C, be in 20 minutes the service time of priming paint; After exceeding 30 minutes, priming paint becomesObtain abandoning of thick knot; The coverage rate of priming paint is at 2.0 ± 0.2kg/ ㎡;
(5) spreading of aggregate and recovery:
Sand is sprinkling upon above priming paint quickly and evenly, and institute's stucco should be as the criterion just to cover priming paint, or suitably spreads more; ?Not stucco of 10～15cm should be reserved with the next region joining part that is about to mat formation, but adjacent area priming paint need to be carried out immediatelyCoating work, stucco then, not yet curing to ensure last region priming paint, so successively construction, ensure mat formation road surface be connectedNature, without sharp trace; In the time of solidifying priming paint 10min, should throw off rapidly ox-hide gummed paper, while taking off, do not overflow mobile with priming paintFor standard; Construct after 1 hour, utilized and push away sand plate or black iron spade receipts sand; After having constructed 3 hours, first utilize hard plastic broomBroom cleaning, recycling hair-dryer is removed floating sand, cleans out as far as possible;
(6) preparation of finish paint and coating:
The proportioning of finish paint is by weight: acrylic resin: Nano filling: pigment: curing agent=1:0.02:0-0.2:0.012,Acrylic resin is added to the stainless steel cask after clean dry, then add Nano filling by the proportioning of design, adopt mixer lowSpeed stirs, and after Nano filling and acrylic resin soak substantially, employing 800r/min high-speed stirred 15～20 minutes, by mixedCoating is refunded former bucket, is sealed, deposits, and when needs add supporting pigment, same way stirs one minute; Before use, add curingAgent, adopts mixer to be uniformly mixed 15～20s immediately, until acrylic resin, Nano filling, pigment and curing agent are completeStir and can solidify at the appointed time, then using immediately; Mix up finish paint by design quantity, finish paint is fallen in spreadingGood bottom surface, utilizes hair roller fast finish paint evenly to be applied, to prevent that finish paint from solidifying;
(7) health:
By job site fencing lawn 6～8 hours, change according to pavement temperature, curing time is different;
(8) final cleanup:
After construction, tear ox-hide gummed paper, need, by pavement construction garbage-cleaning, can not stay job site at once; Before being open to traffic,Again sweep road surface once, aggregate unnecessary surface is swept away.
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| CN103469712A (en) | 2013-12-25 |
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