CN104692744A - Road patching material with favorable elasticity and abrasion resistance and application thereof - Google Patents
Road patching material with favorable elasticity and abrasion resistance and application thereof Download PDFInfo
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- CN104692744A CN104692744A CN201510109091.7A CN201510109091A CN104692744A CN 104692744 A CN104692744 A CN 104692744A CN 201510109091 A CN201510109091 A CN 201510109091A CN 104692744 A CN104692744 A CN 104692744A
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- 239000000463 material Substances 0.000 title claims abstract description 91
- 238000005299 abrasion Methods 0.000 title abstract description 9
- 230000002349 favourable effect Effects 0.000 title abstract description 6
- 239000004568 cement Substances 0.000 claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 230000008439 repair process Effects 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 239000003469 silicate cement Substances 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 150000002910 rare earth metals Chemical class 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000008187 granular material Substances 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 12
- 229920000647 polyepoxide Polymers 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- 239000010426 asphalt Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910020218 Pb—Zn Inorganic materials 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000010436 fluorite Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
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- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- HNPDNOZNULJJDL-UHFFFAOYSA-N ethyl n-ethenylcarbamate Chemical compound CCOC(=O)NC=C HNPDNOZNULJJDL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000000887 hydrating effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a road patching material with favorable elasticity and abrasion resistance and application thereof. The road patching material comprises the following components in percentage by weight: 30-60% of tailing, 20-40% of cement, 5-30% of modified adhesive and 0.5-10% of rubber granule. The road patching material has the advantages of favorable abrasion resistance and favorable elasticity.
Description
Technical field
The present invention relates to a kind of material for road repair and the application thereof that have favorable elasticity and resistance to abrasion concurrently, particularly relate to material for road repair and the application thereof of wear-resistant, good springiness.
Technical background
Closely for decades, domestic cement concrete pavement career development is swift and violent, 1,200,000 kilometers are reached to China's cement concrete pavement mileage length in 2013, along with the fast development of China's economic strength, the volume of traffic of road is also increasing rapidly, also requires higher to the requirement of the texture quality of cement concrete pavement thereupon.Cement concrete pavement has the unrivaled advantage of bituminous pavement, the advantages such as intensity is high, rigidity is large, bearing capacity is strong, good stability, good endurance.But, in the face of growing road pressure, many roads damage because of can't bear the heavy load, but also there is maintenance complexity, portland cement concrete repairing length time of coagulation, repair the shortcomings such as later stage new-old concrete poor adhesion, simultaneously can not open to traffic immediately after Cement Concrete Pavement Maintenance, need long maintenance, needing after general making is complete maintenance 14-28 days could open to traffic, and this is very stubborn problem to heavy traffic area.
Particularly, often there is hole groove, hole, hole, collapse the destructive defects such as limit in concrete road road surface, if repair not in time, will jeopardize driving and operation safety because various factors causes.
CN1970491A discloses a kind of cement for quick reparing sill of Asphalt Pavement Semi-rigid Base, relate to a kind of composition of quick-setting and rapid-hardening cement sill, its component and content are: quick-setting and rapid-hardening cement: sand: stone: water reducer: fiber: specialist additive: water=15-85%:0-65%:0-50%:0-0.1%:0-2%:0-5%:5-25% weight percent, and the total amount of each component of this material is 100%wt.
CN101121812A discloses a kind of epoxy resin base fast repairing material and preparation method thereof, described epoxy resin base fast repairing material is made up of sand, talcum powder, epoxy resin, polymeric amide and thinner, its preparation method comprises: epoxy resin and mixing diluents is even, adds polymeric amide and is stirred into epoxy slurry; Sand is mixed with talcum powder; Epoxy slurry and sand and talc mixture are stirred and remembers.
CN101230244A discloses a kind of self-seepage concrete crack repairing glue and preparation method thereof, feature by discharging after the stopper mixing and stirring of the vinyl monomer of the vinyl urethane of 10-50% and 10-60%, the unsatured epoxy resin of 10-60%, the promotor of 0.1-10% and 0.01-1%, obtains major constituent A by each composition shared mass ratio in respective component; By discharging after the initiator mixing and stirring of the softening agent of 60-90% and the silane coupling agent of 1-35% and 1-5%, obtain side ingredient B; Before using, major constituent A and side ingredient B is packed respectively, by proportioning, major constituent A and side ingredient B is mixed as required during use.
CN101008172A discloses a kind of regenerated type road cold-repairing material, comprises the component of following weight percentage: milling material: 56-87%, cold repairing additive: 0.08%-0.34%, diesel oil: 0.87%-1.6%, all the other are new building stones.This regenerated type road cold-repairing material be adopt express highway pavement milling waste material, add a small amount of new building stones, road fluid infusion, diesel oil and polymer activate property-modifying additive and heat according to a certain ratio to mix and stir and form.
CN1810885A discloses a kind of asphalt cold repairing additive, comprises styrene-butadiene-styrene block copolymer, resin, solvent, mineral oil, vinylbenzene, diesel oil, pitch.
CN1667045A discloses a kind of granular repairing pitch, it is supported by the arm material by particulate state and wraps up that this coating material of supporting by the arm material forms, wherein coating material is by pitch, adhesion resin and the solvent composition dissolving this pitch and adhesion resin, when laying pressurization, bonding adhesion resin, shape desired by formation, and provide a kind of by utilizing the cohesive force of adhesion resin, the repairing pitch needing the place of repairing and the method for repairing and mending using repairing pitch can be repaired in effective and safe ground.
" brief talk the application of slurry seal rut repairing technique in motorway ", Li Yongxia etc., road engineering, the 7th phase in 2012,105-107 page discloses slurry seal rut repairing technique, and wherein said slurry seal mixture starting material comprise emulsified bitumen, mineral aggregate, water, admixture and filler.
US2009052984A1 discloses a kind of method utilizing high temperature original place recovery method again to lay the asphalt mixture of paved surface, and the method comprises: the paving material sample providing particle size to reduce by described paved surface; Bituminous material is added in the paving material sample of described recovery; Described sample and described bituminous material are mixed thus forms mixture; Mixture described in compacting thus form at least one test sample, the air void that described sample has described paved surface air void about less than 3%; Detect the rheological property of described at least one sample; And the described rheological property based on described at least one sample selects the bituminous material composition for described high temperature recovery method on the spot.
But, in above-mentioned material for road repair, usually be difficult to take into account intensity and resistance to cracking simultaneously, generally for acquisition high strength, need to make repairing area have high hardness, result causes be full of cracks, therefore how to develop a kind of material for road repair simultaneously can taking into account intensity and resistance to cracking and becomes and particularly need.
Summary of the invention
For solving the above-mentioned problems in the prior art, on the basis of existing technology, the present inventor, through further investigation and great many of experiments, proposes following technical scheme:
On the one hand, provide a kind of material for road repair, it comprises mine tailing, cement, modified adhesive and rubber grain, wherein based on the total weight of this material for road repair, the content of mine tailing is 30-60%, preferred 40-50%, the content of cement is 20-40%, preferred 20-50%, the content of modified adhesive is 5-30%, preferred 10-20%, the content of rubber grain is 0.5-10%, preferred 1-5%.
Described cement can be one or more the combination in silicate cement, aluminosulfate cement, fluoroaluminate cement and high-alumina cement, is preferably two or more combinations.
Most preferably, described cement is that silicate cement and aluminosulfate cement are with the mixture of 1:3-3:1 weight ratio.Research finds, by the two is mixed with this specific ratio, the two can be made to form effective binary system, wherein the cubic deformation of silicate cement hardened paste later stage is larger, easy shrinkage cracking, and aluminosulfate cement has drought by force, high-strength, anti-sulphates corrosive, the features such as anti-salinity corrosion, but structural changes can be caused because of its crystal conversion during use, bonding force between crystal is reduced, cause strength retraction, the two is combined and just can gives full play to silicate cement and aluminosulfate cement advantage separately, suppress respective shortcoming, make the two can not only learn from other's strong points to offset one's weaknesses in performance (especially intensity), and technological process is easily easy.Such effect is that professional and technical personnel in the field are difficult to expect.
Described silicate cement is preferably modified portland cement, it can carry out modification by the following method: mixed with the weight ratio of commercially available phosphoaluminate clinker according to 10:1-5:1 by commercially available Portland clinker, the calcium chloride that who knows weighing scale 1-8% with described silicate cement is added again after mixing, carry out mix grinding, then sieve, cross 200 mesh sieves, obtain fines, be i.e. obtained modified portland cement.
Through further investigation, find unexpectedly, in this modified portland cement, by analyzing hydration heat speed and hydration heat amount, and analyze in conjunction with XRD, result shows, aluminophosphates grog mix the hydration rate can accelerating silicate cement, this is that the aquation of aluminophosphates grog absorbs the OH in aquation slurry because self aquation of aluminophosphates grog is very fast
-, Just because of this, original aquation balance of aquation system is broken, causes C
3s, C
2the aquation of S is accelerated.
Preferably, described mine tailing is rare-earth tailing.Further preferably, described mine tailing is the rare-earth tailing of modification, its method of modifying comprises: mixed with Pb-Zn deposits, fluorite and magnesia by rare-earth tailing, then ball milling 2-5 hour, wherein based on the weighing scale of rare-earth tailing, the part by weight of Pb-Zn deposits is 1.0-2.5%, and the part by weight of fluorite is 0.5-1.5%, and the part by weight of magnesia is 0.1-0.5%.By described treatment process of the present invention, the f-CaO content in rare-earth tailing is reduced further, promote the formation of C3S, decrease the precipitation of grog free calcium oxide, thus be conducive to strength property and the hydrating capacity of material for road repair.This rare-earth tailing treatment process of the present invention rarely has report in the prior art, is not the common practise of this area.
Described modified adhesive can be conventional modified adhesive.But, for realizing object of the present invention, described modified adhesive is preferably the modified adhesive that urethane, epoxy resin or its combination obtain through modification, and it carries out modification by the nano silicon of blending 5-10 % by weight (total weight based on modified adhesive).
Described rubber grain can from junked tire.The particle diameter of rubber grain can be 50-500 μm.Most preferably, described rubber grain is modified rubber particle, and it by mixing based on the epoxy resin of rubber grain gross weight 5-10% and the polyether glycol glycidyl ether of 0.1-0.5% and obtaining in rubber grain.Described epoxy resin is preferably E type epoxy resin.Described epoxy resin add the cementing properties that can increase other material in rubber grain and repair material, simultaneously polyether glycol glycidyl ether includes soft segment, ehter bond and epoxy group(ing) due to molecule, be the good toughner of kind of epoxy resin, and certain dilution effect can be played.Its three, by described synergy, can improve resistance to abrasion and the elasticity of road repairing area after described patching material is repaired.
In order to strengthen the intensity of material for road repair further, above-mentioned material for road repair preferably also comprises the fortifying fibre based on this material for road repair total weight 0.1-0.5%.
Other fortifying fibre described is preferably glass fibre.This glass fibre can form by E is glass chopped, and its filament diameter is 10-20 μm, and length is 10-15mm, and Young's modulus is 60-80GPa, and density is 2.0-3.0g/cm
3, preferred 2.58g/cm
3, tensile strength is 1200-1800MPa, and unit elongation is 2%-3.5%.Find through research, the use of this reinforcing glass fiber, 3d flexural strength can be made relative to the material for road repair not adding this reinforcing glass fiber and improve 20-30%.
Most preferably, glass fibre can being made fabric, when repairing road by perfusion, can divide paved in multi-layers in material for road repair.This fabric can form by E is fiberglass braided, and its two-way loop bonding (0 °-90 °), area density is 500-520g/m
2, sub-thread rove 2000-3000tex, theoretical sectional area is 0.90-0.95mm
2, mesh size 10mm × 10mm, Young's modulus 70-80GPa, rove bears power 1400-1500N, and its amount of application is 0.1-0.3% based on material for road repair total weight.
Show after testing, after glass fibre or fabric add, the density of patching material decreases, this is because fiber quality is light, and it will occupy certain space, under same compacting function, its density value declines, and the variation tendency of voidage is along with the people that adds of fiber reduces to some extent.
On the other hand, present invention also offers the application of material for road repair mentioned above in road repair, it comprises the following steps:
(1) material for road repair that pre-treatment is mentioned above: mixed with the weight ratio of 10:1-1:10 with solvent by material for road repair mentioned above, obtains pre-repair material, and described solvent is the mixture of water and water-miscible organic solvent;
(2) crack on road or hole, hole is cleared up: adopt machinery or manual method to clear up crack on road or hole, hole, until expose the firm layer of concrete;
(3) crack on road or hole, hole is repaired: directly poured in crack by above-mentioned pre-repair material one or more times, after filling crack at every turn, pre-repair material is again poured into after pre-repair material is absorbed, until crack, road or hole, hole no longer absorb pre-repair material, wherein for crack or the hole, hole of the degree of depth >=1.5cm, in described pre-repair material, add the slag aggregate accounting for this pre-repair material weight 5-30%.
In one more specifically mode, in delimitation pavement construction region, safety notice, label are set, wherein fine cracks and narrow hole groove may need to carry out labor cleaning, the concrete structure that edge of crack loosens needs thoroughly to remove, till seeing the firm layer of concrete, cleaning disintegrating slag and engineering rubbish, can thoroughly remove dust in repairing area and foreign material with high-power blower.In repairing area, first brushing solid content is the emulsified bitumen of 50%, after complete breakdown of emulsion, carry out directly pouring into of pre-repair material again.One or more times above-mentioned pre-repair material is directly poured in crack, after filling crack at every turn, pre-repair material is again poured into after pre-repair material is absorbed, until crack, road or hole, hole no longer absorb pre-repair material, wherein for crack or the hole, hole of the degree of depth >=1.5cm, in described pre-repair material, add the slag aggregate accounting for this pre-repair material weight 5-30%.After dynamic compaction machinery compacting, compound end face and former road surface maintenance level should be made, open to traffic is got final product after 3-50min, traffic bound 2-3 days, make the structural sheet after repairing firm further, when then carrying out secondary repairing, a small amount of (such as the 5-10 % by weight of pre-repair material) limestone powder is added in pre-repair material, to be mixed evenly after smear on last time repairing area with spatula, smearing thickness should higher than former road surface 1-2mm, and region to be repaired second time is repaired after after 2-4 hour, and clearance vehicle rolls 1-2 days, reach abundant compacting, thus complete road repair.
Embodiment:
Repair road performance testing method to comprise: 1, the shrinkage of JTG E30 ~ 2005 " highway engineering cement and cement concrete testing regulation " middle T0566 ~ 2005 cement concrete drying shrinkage determination of test method fast repairing material; 2, " Standard for test methods of longterm performance and durability of ordinary concrete " (GBJ82-1985); 3, " standard specification for construction and acceptance of highway asphalt pavement " (JTG F40-2004); 4, JT/C984-2005 etc.
Embodiment 1
Prepare material for road repair by mine tailing, cement, modified adhesive and rubber grain, based on the total weight of this material for road repair, the content of mine tailing is 55%, and the content of cement is 34%, and the content of modified adhesive is 10%, and the content of modified rubber particle is 1%.Described mine tailing is rare-earth tailing (deriving from Tang Gang dressing-works), described cement be silicate cement and aluminosulfate cement (all deriving from swallow east, Tangshan cement company) with the mixture of 1:1 weight ratio, and be added with the calcium chloride accounting for cement gross weight 1.5%.Described modified adhesive is the urethane of nano-stephanoporate silicon dioxide (from Zhejiang Hangzhou ten thousand scape novel material company limited) modification.Described modified rubber particle is mixed with the polyether glycol glycidyl ether of epoxy resin based on rubber grain total weight 5% and 0.1%, and rubber grain is from junked tire.
Embodiment 2
(1) material for road repair that pre-treatment is obtained according to embodiment 1: mixed with the weight ratio of 3:1 with solvent by described material for road repair, obtain pre-repair material, described solvent is the mixture of water and ethanol 4:1 weight ratio;
(2) crack on road or hole, hole is cleared up: adopt machinery or manual method to clear up crack on road or hole, hole, until expose the firm layer of concrete; Wherein fine cracks and narrow hole groove need to carry out labor cleaning, the concrete structure that edge of crack loosens needs thoroughly to remove, till seeing the firm layer of concrete, cleaning disintegrating slag and engineering rubbish, dust in repairing area and foreign material are thoroughly removed with high-power blower, in repairing area, brushing solid content is the emulsified bitumen of 50%, directly pouring into of the pre-repair material below carrying out after complete breakdown of emulsion;
(3) crack on road or hole, hole is repaired: directly poured in crack by above-mentioned pre-repair material at twice, after filling crack at every turn, pre-repair material is again poured into after pre-repair material is absorbed, until crack, road or hole, hole no longer absorb pre-repair material, wherein for crack or the hole, hole of the degree of depth >=1.5cm, in described pre-repair material, add the slag aggregate accounting for this pre-repair material weight 20%;
(4) with after dynamic compaction machinery compacting, make compound end face and former road surface maintenance level, open to traffic is got final product after 30 minutes, traffic bound 2 days, make the structural sheet after repairing firm further, when then carrying out secondary repairing, a small amount of limestone powder is added in pre-repair material, to be mixed evenly after smear on last time repairing area with spatula, smearing thickness should higher than former road surface 1.5mm, and region to be repaired second time was repaired after 3 hours, and clearance vehicle rolls 1 day, reach abundant compacting, thus complete road repair.
According to aforesaid method, the resistance to abrasion and elasticity of repairing rear repairing area are tested.Resistance to abrasion test is carried out by the following method: carry out with disk stone mill test of resistance to wearing, disk stone mill rotating speed is 1000r/min, in order to accelerated wear test, adopts No. 42 silicon carbide as abrasive, and concrete test length of time is the 120th day; Elasticity according in " standard for test methods of mechanical properties of ordinary concrete " (GB/T50081-2002) 2.4 regulation test.
Test result is as shown in the table:
Table 1
Comparative example 1
Only be that rubber grain is directly from junked tire, does not carry out modification with the difference part of embodiment 2.
Test result is as shown in the table:
Table 2
As can be seen from above-mentioned contrast clearly, material for road repair of the present invention is with high resistance to abrasion and elasticity, such effect had previously never expected, make material for road repair of the present invention have very large using value and range of application, and very large economic benefit can be produced.
The open the present invention of this written description use-case, comprises optimal mode, and also enables those skilled in the art manufacture and use the present invention.Of the present inventionly the scope of granted patent can be defined by the claims, and other example that those skilled in the art expect can be comprised.If other example this has the structural element of the literal language not differing from claims, if or other example this comprises and the equivalent structure element of the literal language of claims without substantial differences, then other example this is intended to be within the scope of claims.Can not cause under inconsistent degree, be incorporated herein by reference to by all references part of reference herein.
Claims (6)
1. a material for road repair, it comprises mine tailing, cement, modified adhesive and rubber grain, wherein based on the total weight of this material for road repair, the content of mine tailing is 30-60%, the content of cement is 20-40%, and the content of modified adhesive is 5-30%, and the content of rubber grain is 0.5-10%.
2. material for road repair according to claim 1, wherein said mine tailing is rare-earth tailing.
3., according to the material for road repair of claim 1 or 2, wherein said cement is one or more the combination in silicate cement, aluminosulfate cement, fluoroaluminate cement and high-alumina cement.
4. the material for road repair any one of aforementioned claim, wherein this material for road repair also comprises the fortifying fibre based on this material for road repair total weight 0.1-0.5%.
5. the application of material for road repair as claimed in one of claims 1-4 in road repair, it comprises the following steps:
(1) pre-treatment material for road repair as claimed in one of claims 1-4: described material for road repair is mixed with the weight ratio of 10:1-1:10 with solvent, obtains pre-repair material, described solvent is the mixture of water and water-miscible organic solvent;
(2) crack on road or hole, hole is cleared up: adopt machinery or manual method to clear up crack on road or hole, hole, until expose the firm layer of concrete;
(3) crack on road or hole, hole is repaired: directly poured in crack by above-mentioned pre-repair material one or more times, after filling crack at every turn, again treatment agent is poured into after pre-repair material is absorbed, until crack, road or hole, hole no longer absorb pre-repair material, wherein for crack or the hole, hole of the degree of depth >=1.5cm, in described pre-repair material, add the slag aggregate accounting for this pre-repair material weight 5-30%.
6. application according to claim 7, wherein said road is concrete road.
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| CN109021577A (en) * | 2018-09-30 | 2018-12-18 | 广西驰胜农业科技有限公司 | A kind of resin base material for road repair |
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| CN109111176A (en) * | 2018-11-08 | 2019-01-01 | 陈洪军 | A kind of pavement patching material and preparation method thereof that service performance is good |
| CN112521111A (en) * | 2019-09-17 | 2021-03-19 | 北京华泥新材料科技有限公司 | Ultrafast hard concrete repair material and preparation method and use method thereof |
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