CN103011735B - Colorful regeneration permeable concrete for road and preparation method thereof - Google Patents
Colorful regeneration permeable concrete for road and preparation method thereof Download PDFInfo
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- CN103011735B CN103011735B CN201210584387.0A CN201210584387A CN103011735B CN 103011735 B CN103011735 B CN 103011735B CN 201210584387 A CN201210584387 A CN 201210584387A CN 103011735 B CN103011735 B CN 103011735B
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- 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 discloses a colorful regeneration permeable concrete for road and a preparation method thereof. The colorful regeneration permeable concrete consists of aggregate, a cementing material, polypropylene fiber, a water reducing agent, pigment and water; the cementing material consists of silicate cement and mineral waste residue; the ratio of water to glue is 0.27-0.33; the mass ratio of the aggregate to the cementing material is 2.82-3.80; the aggregate consists of coarse aggregate and fine aggregate; the coarse aggregate consists of natural broken stone and regeneration broken stone prepared from waste concrete; the fine aggregate is common water-washing medium sand; the mass of the fine aggregate is 5-20% of the mass of coarse aggregate; the mass of the polypropylene fiber is 0.1-0.3% of the mass of the cementing material; the mass of the polycarboxylic acid water reducing agent is 0.5-1.5% of the mass of the cementing material; and the mass of the pigment is 2.5-7.5% of the mass of the cementing material. Through the combination of recycled aggregate and common aggregate, the invention can recycle the waste resources and solve the problem of low strength.
Description
Technical field
The present invention relates to a kind of concrete batching for civil engineering work, building, mining, road, railway or bridge construction and preparation method thereof.
Background technology
Urbanization process is accelerated day by day, and existing building is removed in a large number, occurs especially discarded concrete of a large amount of building wastes, and discarded concrete, except minority is utilized, is deposited in city suburbs, serious environment pollution mostly.Fluid-tight Common Concrete Pavement can not arrive ground rainwater rapid permeability underground in time, causes surface gathered water.In color, normal concrete and bituminous pavement mostly are dark-grey and black, very low to the reflectivity of sunlight, and the heat of its absorption will, much larger than green meadow, cause the aggravation of Urban Thermal effect.
Compare with normal concrete, pervious concrete, except having the mechanical property of normal concrete, also has good water permeability and moisture retention.At present, pervious concrete generally adopts coarse aggregate, fine aggregate and gelling material to be made into, and coarse aggregate and fine aggregate are simple grain level, and gelling material adopts organic polymer resin, forms mortar be wrapped in aggregate around with fine aggregate.The ultimate compression strength of this pervious concrete is generally 5 ~ 20MPa, and folding strength is generally 1 ~ 4MPa, and porosity is generally 5% ~ 30%, and coefficient of permeability is generally 1.0 ~ 15.0mm/s.This pervious concrete, when for road surface, because porosity is large, causes intensity to be affected, and is how to improve its resistance to compression, folding strength and weather resistance for the problem of road surface most critical.
Summary of the invention
The object of the invention is to solve existing discarded concrete contaminate environment, there is the problem that resistance to compression, folding strength and weather resistance are not high in pervious concrete, proposes a kind of color recycled pervious concrete and preparation method thereof for road surface.
Road surface of the present invention by the technical scheme that color recycled pervious concrete adopts is: this color recycled pervious concrete by gathering materials, gelling material, polypropylene fibre, water reducer, pigment and water forms; Gelling material is comprised of silicate cement and slag, and the water-cement ratio of gelling material is 0.27 ~ 0.33, and the mass ratio of silicate cement and slag is 6:4 ~ 7:3; Gathering materials with the mass ratio of gelling material is 2.82 ~ 3.80, gather materials and formed by coarse aggregate and fine aggregate, the regeneration rubble that coarse aggregate is prepared by natural rubble and discarded concrete forms, and regeneration rubble quality is 20% of natural rubble quality, and the particle diameter of coarse aggregate is 4.75mm-9.5mm; Fine aggregate is common washing medium sand, and the quality of common washing medium sand is 5% ~ 20% of coarse aggregate quality; Polypropylene fibre quality is 0.1% ~ 0.3% of gelling material quality; Water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer quality is 0.5 ~ 1.5% of gelling material quality; Pigment mass is 2.5% ~ 7.5% of gelling material quality.
Road surface of the present invention by the technical scheme of preparation method's employing of color recycled pervious concrete is: add stirrer to stir 30s together with 50% water consumption all gathering materials, add again all gelling material, water reducer, polypropylene fibre and pigment, stir 40s, then add residue 50% water consumption, more than mix 50s, the compound form evenly, humidity being suitable; Finally to compound vibration, with standard curing box maintenance.
The present invention adopts rational proportioning and admixture, and saving energy, permeable effective, has further improved intensity and weather resistance.Adopt regeneration aggregate and general aggregate to combine, can make waste resource regeneration, and solve the lower problem of porous permeable strength on concrete material.After road surface pavement, guarantee intensity, both solved the regeneration problem of part discarded concrete, effectively alleviate again city thermal conductance effect, in time rainwater is back to undergroundly, solves the reflective problem of large rainy day surface gathered water, there is the effect that regulates ground air humidity and rise underground water, and maintain road surface chromatic colour, have good visual effect.
Embodiment
Road surface of the present invention with color recycled pervious concrete by gathering materials, gelling material, polypropylene fibre, water reducer, pigment, water form.
Silicate cement is that strength grade is 42.5 and above ordinary Portland cement.The density of silicate cement and slag is 486 ± 1 kg/m
3.Silicate cement and slag form gelling material, and the water-cement ratio of gelling material is 0.27 ~ 0.33, and silicate cement and slag mass ratio are 6:4 ~ 7:3.
Gather materials and be comprised of coarse aggregate and fine aggregate, the regeneration rubble that coarse aggregate is prepared by natural rubble and discarded concrete forms, and regeneration rubble quality is 20% of natural rubble quality.The particle diameter of coarse aggregate is 4.75mm-9.5mm.Fine aggregate is common washing medium sand, and the quality of common washing medium sand is 5% ~ 20% of coarse aggregate quality.Gathering materials with the mass ratio of gelling material is 2.82 ~ 3.80.
Polypropylene fiber is 0.1% ~ 0.3% of gelling material.
Water reducer is high-efficiency water-reducing agent of poly-carboxylic acid, and polycarboxylate water-reducer quality is 0.5 ~ 1.5% of gelling material quality.
The quality of pigment be gelling material quality 2.5% ~ 7.5% between.Pigment can be red iron oxide or other coloured pigment.
Road surface of the present invention with the moulding process of color recycled pervious concrete is: add forced mixer to stir 30s with together with 50% total water amount all coarse aggregates, fine aggregate, and then add all gelling material, water reducer, polypropylene fibre, water reducer, pigment to stir together 40s, the water consumption that finally adds residue 50%, more than mix 50s, the compound form evenly, humidity being suitable.By vibrational frequency, be multifunctional numerical control magnetic force plain bumper vibration 15 ~ 25s that (2860 ± 5) are inferior, amplitude is 0.3 ~ 0.6mm again, floating whole with trowel after vibration, standard curing box maintenance 28d, can be made into that cubic compressive strength reaches that 25MPa is above, folding strength reaches that 4.0MPa is above, coefficient of permeability surpasses mass loss rate≤5%, wear resistance≤30mm, the color recycled pervious concrete in the good road surface of bright-colored water-permeable after ultimate compression strength rate of loss≤20% after 1mm/s, 25 freeze-thaw cycle, 25 freeze-thaw cycle.
3 embodiment of the present invention are below provided:
Embodiment 1
Take label and be 42.5 ordinary Portland cement 292kg/m
3, slag 194kg/m
3, natural primary stone 1180kg/m
3, regeneration stone 296/m
3, natural washing medium sand 111kg/m
3, water consumption is 131kg, ferric oxide red colorant 12.5kg/m
3, water reducer 5kg/m
3, polypropylene fibre 1kg/m
3.Moulding process is is 55.5kg by gather materials (sand and stone 1587kg) and the 50%(of all water consumptions) add forced mixer to stir 30s, adding gelling material (is cement 292kg again, slag 194kg), water reducer 5kg, polypropylene fibre 1kg mix 40s, finally add the above mix of remaining all water consumptions (55.5kg) mix 50s to become evenly, the compound that humidity is suitable, by vibrational frequency, it is 2860 times again, floating whole with trowel after the multifunctional numerical control magnetic force plain bumper vibration 20s surface vibration of amplitude 0.6mm, standard curing box maintenance 28d, can be made into the color recycled pervious concrete in road surface.After testing, its ultimate compression strength 27 MPa, folding strength 4.3MPa, coefficient of permeability 2.2mm/s, ultimate compression strength rate of loss 16% after 3%, 25 freeze-thaw cycle of mass loss rate after 25 freeze-thaw cycle, wear resistance 25mm.
Embodiment 2
Take label and be 52.5 ordinary Portland cement 340kg/m
3, slag 146kg/m
3, primary stone 1477kg/m
3, regeneration stone 369/m
3, natural washing medium sand 184.7kg/m
3, water consumption 145.8kg/m
3, pigment 24.35kg/m
3, water reducer 7.29kg/m
3, polypropylene fibre 1.4kg/m
3, 50% (being 72.5kg) that moulding process is will gather materials (sand and stone 2516kg) and all water consumptions adds forced mixer to stir 30s, add (is gelling material cement 340 again, slag 146kg), water reducer (being 7.29kg), polypropylene fibre (being 1.4kg) mix 40s, finally add the above mix of remaining all water consumptions (75.5kg) mix 50s to become evenly, the compound that humidity is suitable, by vibrational frequency, it is 2860 times again, floating whole with trowel after the multifunctional numerical control magnetic force plain bumper vibration 23s surface vibration of amplitude 0.6mm, standard curing box maintenance 28d, can be made into the color recycled pervious concrete in road surface.After testing, its ultimate compression strength 28 MPa, folding strength 4.5 MPa, coefficient of permeability 2.1 mm/s, ultimate compression strength rate of loss 17% after 3.8%, 25 freeze-thaw cycle of mass loss rate after 25 freeze-thaw cycle, wear resistance 24mm.
Embodiment 3
Take label and be 42.5 ordinary Portland cement 316kg/m
3, slag 170kg/m
3, primary stone 1096kg/m
3, regeneration stone 274/m
3, natural washing medium sand 274kg/m
3, water consumption 160 kg/m
3, ferric oxide red colorant 36kg/m
3, water reducer 2.45kg/m
3, polypropylene fibre 0.8kg/m
3, moulding process stirs 30s for 50% of (sand and stone) and all water consumptions of gathering materials add forced mixer, add again cement, water reducer, polypropylene fibre mix 40s, finally add the above mix of residue water consumption mix 50s to become evenly, the compound that humidity is suitable, by vibrational frequency, it is 2860 times again, floating whole with trowel after the multifunctional numerical control magnetic force plain bumper vibration 18s surface vibration of amplitude 0.6mm, standard curing box maintenance 28d, can be made into the color recycled pervious concrete in road surface, after testing, its ultimate compression strength 26 MPa, folding strength 4.1 MPa, coefficient of permeability 1.5 mm/s, mass loss rate 3.9% after 25 freeze-thaw cycle, ultimate compression strength rate of loss 17.6% after 25 freeze-thaw cycle, wear resistance 28mm.
Claims (2)
1. the color recycled pervious concrete in road surface, is characterized in that: this color recycled pervious concrete by gathering materials, gelling material, polypropylene fibre, water reducer, pigment and water forms; Gelling material is comprised of silicate cement and slag, and the water-cement ratio of gelling material is 0.27 ~ 0.33, and the mass ratio of silicate cement and slag is 6:4 ~ 7:3; Gathering materials with the mass ratio of gelling material is 2.82 ~ 3.80, gather materials and formed by coarse aggregate and fine aggregate, the regeneration rubble that coarse aggregate is prepared by natural rubble and discarded concrete forms, and regeneration rubble quality is 20% of natural rubble quality, and the particle diameter of coarse aggregate is 4.75mm-9.5mm; Fine aggregate is common washing medium sand, and the quality of common washing medium sand is 5% ~ 20% of coarse aggregate quality; Polypropylene fibre quality is 0.1% ~ 0.3% of gelling material quality; Water reducer is polycarboxylate water-reducer, and polycarboxylate water-reducer quality is 0.5 ~ 1.5% of gelling material quality; Pigment mass is 2.5% ~ 7.5% of gelling material quality.
2. the preparation method of color recycled pervious concrete for road surface as claimed in claim 1, it is characterized in that: add stirrer to stir 30s together with 50% water consumption all gathering materials, add again all gelling material, water reducer, polypropylene fibre and pigment, stir 40s, then add residue 50% water consumption, more than mix 50s, the compound form evenly, humidity being suitable; Finally to compound vibration, with standard curing box maintenance.
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| CN201210584387.0A CN103011735B (en) | 2012-12-31 | 2012-12-31 | Colorful regeneration permeable concrete for road and preparation method thereof |
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| CN201210584387.0A CN103011735B (en) | 2012-12-31 | 2012-12-31 | Colorful regeneration permeable concrete for road and preparation method thereof |
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| CN103011735B true CN103011735B (en) | 2014-12-03 |
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| CN103708792B (en) * | 2013-12-01 | 2016-06-08 | 内蒙古大学 | A kind of manufacture method of permeable concrete |
| CN103711054A (en) * | 2013-12-11 | 2014-04-09 | 常州市建筑科学研究院股份有限公司 | Color recycled concrete road brick and preparation process thereof |
| CN105421180A (en) * | 2015-10-27 | 2016-03-23 | 大连山泰新实业有限公司 | Construction method of colored concrete floor |
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| CN107382219A (en) * | 2017-08-30 | 2017-11-24 | 河北建筑工程学院 | A kind of composite aggregate pervious concrete and preparation method thereof |
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| CN110666971A (en) * | 2019-10-22 | 2020-01-10 | 滁州市富邦商品混凝土有限公司 | Mixing equipment and method for quantitative proportioning of colored concrete |
| CN110981307A (en) * | 2019-12-18 | 2020-04-10 | 山西佳维新材料股份有限公司 | Regenerated pervious concrete and preparation method thereof |
| CN112624698A (en) * | 2020-12-23 | 2021-04-09 | 宿迁市京成建材有限公司 | Industrial waste pervious concrete and preparation method thereof |
| CN114804763A (en) * | 2022-04-13 | 2022-07-29 | 诚邦生态环境股份有限公司 | Fiber-reinforced recycled aggregate pervious concrete |
| CN116023073A (en) * | 2022-12-13 | 2023-04-28 | 河北雄安昝岗混凝土有限公司 | Color permeable concrete and preparation method thereof |
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| JP5735288B2 (en) * | 2011-01-14 | 2015-06-17 | 株式会社大林組 | High strength paste composition |
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| CN102584140A (en) * | 2012-01-19 | 2012-07-18 | 中交上海三航科学研究院有限公司 | Anti-crack concrete for wharf surface layer and preparation method for anti-crack concrete for wharf surface layer |
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