CN108409250A - The method for preparing green pervious concrete using tailing - Google Patents
The method for preparing green pervious concrete using tailing Download PDFInfo
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- CN108409250A CN108409250A CN201810379966.9A CN201810379966A CN108409250A CN 108409250 A CN108409250 A CN 108409250A CN 201810379966 A CN201810379966 A CN 201810379966A CN 108409250 A CN108409250 A CN 108409250A
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- pervious concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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 present invention relates to a kind of methods preparing green pervious concrete using tailing, which is characterized in that the green pervious concrete includes the raw material of following parts by weight：50 70 parts of aggregate, 20 30 parts of 52.5 portland cement, 15 20 parts of haydite, 12 parts of high efficiency water reducing agent, 0.1 0.5 parts of complex accelerator, 0.1 1 parts of compound retarder, 0.02 0.1 parts of antifoaming agent, 0.02 0.1 parts of air entraining agent；The aggregate includes tailings stone and Machine-made Sand, and the tailings stone grain size is 5 10mm, and the Machine-made Sand grain size is 1 5mm, and the weight ratio of tailings stone and Machine-made Sand is 35:2.Green pervious concrete of the invention as aggregate, is adjusted the grading and additive ingredient and quality of aggregate, intensity, endurance quality, water permeability and the freezing and thawing performance of pervious concrete greatly improved using tailings stone and haydite.
Description
Technical field
The invention belongs to civil construction field of material technology, and the permeable coagulation of green is prepared using tailing more particularly to a kind of
The method of soil.
Background technology
The earth's surface of modern city is covered by the building construction of armored concrete and fluid-tight road surface.With natural soil
Earth road surface is compared, and common concrete road surface lacks respiratory, heat absorptivity and water penetration, brings a series of environment therewith and asks
Topic.Currently, general concrete permeable is very poor, enormous pressure, the rain of impermeable underground are caused to the drainage system on road surface
Water can only be discharged into river by drainage system, and great burden is brought to urban river.
The exploitation of mineral resources plays an important role in the economic construction of country, but also brings to environment serious
A large amount of solid waste such as tailing, barren rock for being generated in negative effect, such as mine development tie up soil, and pollution destroys ecology
Environment causes various geological disasters.But from the point of view of another angle, a large amount of useful constituent is still contained in tailing, is had very
High utility value, since the limitation of technology is not just utilized well.Therefore, resource of tailings is reasonably utilized, for
The sustainable development in China has great significance.Tailing is the solid waste of the enormous amount dumped in ore dressing process, by
Few in its recycling approach, the comprehensive utilization of tailing rate in China only has 2O% or so.A large amount of tailings can only use stack or
The form of landfill is handled, and is formed a large amount of tailing dams, is not only occupied soil, but also bring seriously to human habitat
Pollution and harm, destroy the ecological balance.
Pervious concrete is a kind of preferred by stringent material, and by specific preparation process, what is be prepared has
The concrete of continuous hole.The existing certain intensity of pervious concrete, but also with certain water penetration.The hole of pervious concrete
The connecting points of itself and natural environment can be created, urban environment is improved.Therefore, the improvement that pervious concrete can be fabulous ground face ring
The hardened ground material in border.Existing pervious concrete pavement material is generally to add a large amount of rubbles using cement as cementitious material and make
For coarse aggregate mixing.It is typically first put into cement, coarse aggregate when construction, adds the water stirring of half, additive is then added
Stirring is eventually adding surplus water stirring and is made.Existing pervious concrete causes coagulation due to material and preparation process
Native workability is poor, distribution of pores is uneven, intensity is low, and freezing-thawing resistance is low, easy tos produce freeze-thaw damage, and coefficient of permeability is relatively low,
The requirement for being laid with high-performance road surface is cannot be satisfied, the requirement of rainwater season draining is also cannot be satisfied, affects pervious concrete production
Product using and promoting.
Invention content
The object of the present invention is to provide a kind of method preparing green pervious concrete using tailing, prepared by this method uses
Tailings stone and haydite adjust the grading and additive ingredient and quality of aggregate, pervious concrete greatly improved as aggregate
The compression strength of intensity, endurance quality, water permeability and freezing and thawing performance, pervious concrete can reach 40MPa or more, permeable
Coefficient is more than 2mm/s, and freeze thawing resistance grade is equal to or more than F150, can be widely used for square, pavement, road separator, parking
The engineerings such as field and load road.
The invention is realized in this way：
A method of utilize tailing to prepare green pervious concrete, which is characterized in that the green pervious concrete include with
The raw material of lower parts by weight：50-70 parts of aggregate, 20-30 parts of 52.5 portland cement, 15-20 parts of haydite, high efficiency water reducing agent 1-2
Part, 0.1-0.5 parts of complex accelerator, 0.1-1 parts of compound retarder, 0.02-0.1 parts of antifoaming agent, 0.02-0.1 parts of air entraining agent；Institute
It includes tailings stone and Machine-made Sand to state aggregate, and the tailings stone grain size is 5-10mm, and the Machine-made Sand grain size is 1-5mm, tailings stone
Weight ratio with Machine-made Sand is 3-5:2；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
Further preferably, the construction refuse regenerated aggregate includes coarse aggregate and fine aggregate, and the coarse aggregate size is 5-
10mm, fine aggregate grain size are 1-5mm, and the weight ratio of coarse aggregate and fine aggregate is 2-3:1-2.
Further preferably, the preparation method of the haydite is to grind sludge, flyash and kaolin, stir evenly, making
After grain, drying, first in 750 DEG C of -800 DEG C of preheating 5min, then in 1050 DEG C of -1100 DEG C of sintering 15-20min, haydite obtained
Grain size is 4-6mm, and the sludge, flyash and kaolinic mass ratio are 5:3:2.
Further preferably, the complex accelerator is mixed by lithium sulfate, anhydrous sodium sulfate, triethanolamine and nano silicon dioxide
Close, the lithium sulfate, anhydrous sodium sulfate, triethanolamine and nano silicon dioxide mass ratio be 1:2:0.5:0.8.
Further preferably, the high efficiency water reducing agent is by polyoxyethylene ether, methacrylic acid, tertiary carbonic ester, detergent alkylate
Sodium sulfonate, N- acyl groups sarcosine and maleic anhydride synthesis, the polyoxyethylene ether, methacrylic acid, tertiary carbonic ester, 12
The mass ratio of sodium alkyl benzene sulfonate, N- acyl groups sarcosine and maleic anhydride is 8-10:2:1:0.5:0.3:0.05.
Further preferably, the antifoaming agent by compound silicone oil, polyethers, nano silicon dioxide, nonionic surfactant and
Thickener synthesizes, the compound silicone oil, polyethers, nano silicon dioxide, nonionic surfactant and thickener mass ratio be
3:5:2:1:0.2；The compound silicone oil includes dimethicone, containing hydrogen silicone oil and high boiling point silicon oil, the dimethicone, hydrogeneous
The mass ratio of silicone oil and high boiling point silicon oil is 3:1:0.5.
Further preferably, the preparation method of the air entraining agent be by neopelex, tartaric acid, potassium permanganate,
Diisopropanolamine (DIPA) and cocounut oil diglycollic amide are put into blender, are reacted through 70 DEG C of -80 DEG C of heating stirrings, the dodecane
Base benzene sulfonic acid sodium salt, tartaric acid, potassium permanganate, diisopropanolamine (DIPA) and cocounut oil diglycollic amide mass ratio be 3-4:2:0.3:0.5:
0.1。
Further preferably, the preparation method of the compound retarder is by sodium phosphate, calcium titanate, phosphine butane tricarboxylic acid, ammonia
Three methylenephosphonic acid of base, itaconic acid, cross-linked inhibitor and water are put into blender, and 1-2h is stirred to react at a temperature of 80 DEG C -90 DEG C
It obtains；The sodium phosphate, calcium titanate, phosphine butane tricarboxylic acid, aminotrimethylenephosphonic acid, itaconic acid, cross-linked inhibitor and water matter
Amount is than being 4:2:1:0.1:0.5:0.2:0.5-2.
Further preferably, the curing agent by styrene-acrylic emulsion, sodium metasilicate and organic silicon water soluble surfactant mix and
At the mass ratio of the styrene-acrylic emulsion, sodium metasilicate and organic silicon water soluble surfactant is 3:1:0.5.
Green pervious concrete is a kind of new type resource material and the mankind and natural joint, is obtained deep breathing new
Type eco-friendly power source, it brings safety that is environmentally protective, reducing mankind's trip while having reached to the mankind meets sponge city
Construction and greatly develop.《Sponge city》Construction, in all respects requirement to have it is true according to and meet environment-friendly type, reach
High standard, high quality, high-performance, has good water-permeable and air permeable performance etc. at high request.The permeable coagulation of green that the present invention develops
Soil.In environmental protection, rainwater smoothly and can be passed through concrete inner structure hole by it rapidly in the case of urgent heavy showers
Between be discharged into drainage pipeline or rapidly permeate into underground, it is timely and effective to solve the problems, such as surface gathered water；Really according to upper, meeting
National standard and requirement, quality safety is reliable, secure；In performance, meeting technical specification, performance quality is high, durability is good,
High temperature resistant, wear-resisting, not cracky.
Future constantly will expand and develop in each city, all be conducive to use in road, gardens, public place etc.
Our green pervious concrete goes to build, goes to develop our sponge city, because it meets the adaptive type of construction, green ring
Guarantor's type, high-quality, performance is high, raw material sources are extensive, cheap, can lead world trends, builds beautiful sponge city
Good resource, it is believed that it can give every consumer advantage.
Present invention substantive distinguishing features outstanding and significant progress are：
1, the present invention uses tailings stone and haydite as aggregate, by adjusting the grading and additive type and ingredient of aggregate, greatly
Width improves intensity, endurance quality, water permeability and the freezing and thawing performance of pervious concrete, and the compression strength of pervious concrete can
To reach 40MPa or more, coefficient of permeability is more than 2mm/s, and freeze thawing resistance grade is equal to or more than F150, can be widely used for square, people
The engineerings such as trade, road separator, parking lot and load road.And using tailings stone and haydite as aggregate, change give up into
Treasured realizes the recycling of tailings stone, improves the ecological environment, economizes on resources, and develops the purpose of low-carbon economy.
2, the present invention uses complex accelerator and compound retarder, is improving concrete plasticity, can effectively improve concrete
Compression strength, cracking resistance and reduction volume contraction.
3, the single early strength agent tool of early strength agent ratio of lithium sulfate, anhydrous sodium sulfate, triethanolamine and nano silicon dioxide is mixed again
There is higher early strong effect, and smaller on late strength of concrete and fluidity influence, there is notable synergistic effect.
4, antifoaming agent is first mixed, then mixes air entraining agent, can get the Minute pores of size uniform, and simple use can be overcome to draw
The open defect cry loudly that gas agent easy tos produce, and concrete mixes air entraining agent during mixing, can be generated in concrete big
Amount is evenly distributed, and closed micro-bubble, so as to improve the workability of concrete, while also greatly reducing the bleeding of concrete
And isolation.The freezing and thawing performance for enhancing pervious concrete, to improve the durability of pervious concrete.
5, it is sprayed into curing agent into pervious concrete green body, improves water retention, and can effectively improve fine of reduction
Adhesive ability of the grain object in pervious concrete hole, extends the service life of pervious concrete, ensures the saturating of pervious concrete
Outlet capacity.
Specific implementation mode
The present invention is made the following instructions with reference to embodiment.
Embodiment 1
Raw material（It counts in parts by weight）：
It is 50 parts of aggregate, 20 parts of 52.5 portland cement, 15 parts of haydite, 1 part of high efficiency water reducing agent, 0.1 part of complex accelerator, compound slow
Solidifying 0.1 part of agent, 0.02 part of antifoaming agent, 0.02 part of air entraining agent；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
Embodiment 2
Raw material（It counts in parts by weight）：
It is 60 parts of aggregate, 25 parts of 52.5 portland cement, 16 parts of haydite, 1.5 parts of high efficiency water reducing agent, 0.2 part of complex accelerator, compound
0.4 part of retarder, 0.05 part of antifoaming agent, 0.05 part of air entraining agent；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
Embodiment 3
Raw material（It counts in parts by weight）：
It is 65 parts of aggregate, 28 parts of 52.5 portland cement, 18 parts of haydite, 1.8 parts of high efficiency water reducing agent, 0.4 part of complex accelerator, compound
0.8 part of retarder, 0.08 part of antifoaming agent, 0.08 part of air entraining agent；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
Embodiment 4
Raw material（It counts in parts by weight）：
It is 70 parts of aggregate, 30 parts of 52.5 portland cement, 20 parts of haydite, 2 parts of high efficiency water reducing agent, 0.5 part of complex accelerator, compound slow
Solidifying 1 part of agent, 0.1 part of antifoaming agent, 0.1 part of air entraining agent；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
Green pervious concrete embodiment 1-4 performance parameters of the invention are as follows：
Table 1 carries out performance measurement according to the requirement of GB/T25993-2010, as a result as follows：
Illustrate that the green pervious concrete of the present invention has the performances such as excellent compression strength, freeze thawing resistance, water permeability by upper table.
Claims (9)
1. a kind of method preparing green pervious concrete using tailing, which is characterized in that the green pervious concrete includes
The raw material of following parts by weight：50-70 parts of aggregate, 20-30 parts of 52.5 portland cement, 15-20 parts of haydite, high efficiency water reducing agent 1-
2 parts, 0.1-0.5 parts of complex accelerator, 0.1-1 parts of compound retarder, 0.02-0.1 parts of antifoaming agent, 0.02-0.1 parts of air entraining agent；
The aggregate includes tailings stone and Machine-made Sand, and the tailings stone grain size is 5-10mm, and the Machine-made Sand grain size is 1-5mm, tailing
The weight ratio of stone and Machine-made Sand is 3-5:2；
The preparation method of green pervious concrete includes the following steps：
S1, aggregate, 52.5 portland cements, haydite, high efficiency water reducing agent, antifoaming agent and suitable quantity of water are added in blender stir first
It mixes 2-3 minutes, complex accelerator, compound retarder and air entraining agent is then added and continues stirring 3-5 minutes, is adjusted with suitable water
The concrete being stirred is fitted into hydrostatic profile in mold, is demoulded after 24 hours, obtain pervious concrete base by mix consistency
Body, the pressure are 1-2MPa, static pressure time 15-20s；
Curing agent aqueous solution first is sprayed in pervious concrete green body when S2, maintenance, curing agent is 1 according to volume ratio with water:100,
Then to pervious concrete green body overlay film, and moistening of spraying water on the film covered, it is daily with manually or mechanically spray pattern
1-2 frequency is sprayed water, and maintenance obtains green pervious concrete after 20-25 days.
2. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：The building
Garbage regeneration aggregate includes coarse aggregate and fine aggregate, and the coarse aggregate size is 5-10mm, and fine aggregate grain size is 1-5mm, thick bone
The weight ratio of material and fine aggregate is 2-3:1-2.
3. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：The haydite
Preparation method be after grind, stir evenly by sludge, flyash and kaolin, being granulated, dry, elder generation at 750 DEG C -800 DEG C in advance
Hot 5min, then in 1050 DEG C of -1100 DEG C of sintering 15-20min, haydite grain size obtained is 4-6mm, the sludge, flyash
It is 5 with kaolinic mass ratio:3:2.
4. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：It is described compound
Early strength agent is mixed by lithium sulfate, anhydrous sodium sulfate, triethanolamine and nano silicon dioxide, the lithium sulfate, anhydrous slufuric acid
The mass ratio of sodium, triethanolamine and nano silicon dioxide is 1:2:0.5:0.8.
5. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：It is described efficient
Water-reducing agent is by polyoxyethylene ether, methacrylic acid, tertiary carbonic ester, neopelex, N- acyl groups sarcosine and maleic
Dicarboxylic anhydride synthesize, the polyoxyethylene ether, methacrylic acid, tertiary carbonic ester, neopelex, N- acyl groups sarcosine and
The mass ratio of maleic anhydride is 8-10:2:1:0.5:0.3:0.05.
6. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：The defoaming
Agent is synthesized by compound silicone oil, polyethers, nano silicon dioxide, nonionic surfactant and thickener, and the compound silicone oil gathers
Ether, nano silicon dioxide, nonionic surfactant and thickener mass ratio be 3:5:2:1:0.2；The compound silicone oil packet
Containing dimethicone, containing hydrogen silicone oil and high boiling point silicon oil, the mass ratio of the dimethicone, containing hydrogen silicone oil and high boiling point silicon oil is 3:
1:0.5。
7. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：The bleed
The preparation method of agent is to put neopelex, tartaric acid, potassium permanganate, diisopropanolamine (DIPA) and cocounut oil diglycollic amide
Enter in blender, reacted through 70 DEG C of -80 DEG C of heating stirrings, the neopelex, tartaric acid, potassium permanganate,
The mass ratio of diisopropanolamine (DIPA) and cocounut oil diglycollic amide is 3-4:2:0.3:0.5:0.1.
8. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：It is described compound
The preparation method of retarder is to inhibit sodium phosphate, calcium titanate, phosphine butane tricarboxylic acid, aminotrimethylenephosphonic acid, itaconic acid, crosslinking
Agent and water are put into blender, and being stirred to react 1-2h at a temperature of 80 DEG C -90 DEG C obtains；The sodium phosphate, calcium titanate, phosphine butane
Tricarboxylic acids, aminotrimethylenephosphonic acid, itaconic acid, cross-linked inhibitor and water mass ratio be 4:2:1:0.1:0.5:0.2:0.5-2.
9. the method according to claim 1 for preparing green pervious concrete using tailing, it is characterised in that：The maintenance
Agent is mixed by styrene-acrylic emulsion, sodium metasilicate and organic silicon water soluble surfactant, the styrene-acrylic emulsion, sodium metasilicate and organic
The mass ratio of silicon water soluble surfactant active is 3:1:0.5.
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| CN109369088A (en) * | 2018-09-13 | 2019-02-22 | 东南大学 | A kind of configuration method of the non-evaporating curing concrete containing early strength agent |
| CN109928685A (en) * | 2019-04-11 | 2019-06-25 | 北京建筑材料科学研究总院有限公司 | Utilize the high-early strength concrete and its preparation method of the preparation of a variety of industrial solid castoffs |
| CN110482929A (en) * | 2019-08-19 | 2019-11-22 | 陕西越众混凝土有限公司 | Machine-made sand concrete and its preparation process |
| CN110627451A (en) * | 2019-10-25 | 2019-12-31 | 四川信敏绿色新建筑材料科技有限公司 | Pervious concrete |
| CN111205037A (en) * | 2020-01-18 | 2020-05-29 | 杭州申华混凝土有限公司 | Water-permeable concrete and preparation method thereof |
| CN111978102A (en) * | 2020-08-17 | 2020-11-24 | 绍兴职业技术学院 | Sponge urban energy-saving thixotropic medium degradable mortar |
| CN112079604A (en) * | 2020-09-01 | 2020-12-15 | 武汉鑫云海混凝土有限公司 | Permeable compression-resistant concrete and preparation method thereof |
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| CN110482929A (en) * | 2019-08-19 | 2019-11-22 | 陕西越众混凝土有限公司 | Machine-made sand concrete and its preparation process |
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| CN111978102A (en) * | 2020-08-17 | 2020-11-24 | 绍兴职业技术学院 | Sponge urban energy-saving thixotropic medium degradable mortar |
| CN112079604A (en) * | 2020-09-01 | 2020-12-15 | 武汉鑫云海混凝土有限公司 | Permeable compression-resistant concrete and preparation method thereof |
| CN113233837A (en) * | 2021-05-18 | 2021-08-10 | 柳晶（溧阳）环保科技有限公司 | Water permeable brick prepared from ceramsite |
| CN113429167A (en) * | 2021-07-13 | 2021-09-24 | 扬州通惠系统集成科技有限公司 | High-strength pervious concrete suitable for sponge city construction and preparation method thereof |
| CN113480266A (en) * | 2021-08-03 | 2021-10-08 | 滁州安嘉环保科技有限公司 | Industrial waste pervious concrete and preparation method thereof |
| CN115849809A (en) * | 2022-11-30 | 2023-03-28 | 常州市水利规划设计院有限公司 | Compression-resistant pervious concrete and preparation method thereof |
| CN116143487A (en) * | 2023-04-20 | 2023-05-23 | 河北福威建材科技有限公司 | Tailing stone machine-made sand high-strength pervious concrete and preparation method thereof |
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