CN106187004A - A kind of ecological permeable concrete and preparation method thereof - Google Patents
A kind of ecological permeable concrete and preparation method thereof Download PDFInfo
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- CN106187004A CN106187004A CN201610524041.XA CN201610524041A CN106187004A CN 106187004 A CN106187004 A CN 106187004A CN 201610524041 A CN201610524041 A CN 201610524041A CN 106187004 A CN106187004 A CN 106187004A
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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
- C04B28/14—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 calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/147—Calcium sulfate hemi-hydrate with a specific crystal form beta-hemihydrate
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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
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
- C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
- C04B11/036—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained for the dry process, e.g. dehydrating in a fluidised bed or in a rotary kiln, i.e. to obtain beta-hemihydrate
-
- 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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
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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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
-
- 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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C04B11/262—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
- C04B11/264—Gypsum from the desulfurisation of flue gases
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of novel ecological pervious concrete, this pervious concrete is with industry byproducts such as industry by-product gypsum, slag, construction waste, mine tailing sandstones as primary raw material, the tradition high shortcoming of pervious concrete energy consumption can be overcome and there is higher intensity, draw materials easily, cost is relatively low, preparation process is simple, it is not necessary to high-temperature calcination, beneficially environmental protection.
Description
Technical field
The present invention relates to novel ecological pervious concrete and preparation method of completing the square thereof, belong to construction material and solid waste utilizes
Field.
Background technology
Normal concrete road pavement is simple, with low cost, goes on a journey to people and brings great convenience, but and natural soils
Comparing, Common Concrete Pavement lacks breathes and the ability of rain penetration, also brings such as subsoil water to the ecological environment in city
The series of environmental problems such as position decline, ground settlement, tropical island effect, urban waterlogging.Meet the tendency for the problems referred to above pervious concrete
And give birth to.
Pervious concrete is also referred to as celluar concrete, substantially a kind of by aggregate, Binder Materials, water and additive etc.
The building materials mixed and stirred, its intensity mainly relies on the Binder Materials of the hardening being wrapped in aggregate surface to be bondd and shape by aggregate
Become.Pervious concrete has good permeable, the performance of noise-reducing, is primarily used to making dykes and dams, shore protection, footpath, large-scale
Square and the curb of green building and dividing plate etc..
Pervious concrete is promoting city function, keeps urban ecological environment, builds in " sponge city ", builds green building
Etc. aspect there is important function.
In terms of alleviating waterlogging problem.Because pervious concrete pavement has good water penetration and certain water-retention merit
Can, moisture penetration can be made to underground, alleviate the burden of drainage system in rainy season, reduce surface gathered water, alleviate the pressure that drains off floodwaters.
In terms of ecological functions.Pervious concrete pavement can make full use of rainwater, increases earth's surface relative humidity, supplements city
The groundwater resources that city is day by day exhausted, improve the conditions of existence of urban surface plant and soil microorganism, adjust ecological balance, right
Eliminate urban soil desertification phenomenon and have certain effect.
In terms of alleviating urban heat land effect.Pervious concrete can increase urban water-through and vapor permeation area, strengthens earth's surface
The heat of air and exchange of moisture, regulate urban climate, reduces surface temperature, it is possible to alleviates city " tropical island effect " problem.
Make an uproar aspect in suction.Due to the porous of pervious concrete, it has certain absorbability to city noise, creates peace
Quiet comfortable life and traffic environment.
Function in the bank protections such as river course, dykes and dams, roadbed.Pervious concrete can be widely used in river course, dykes and dams, roadbed etc.
In bank protection, it is possible to slow down rainwash speed.Due to concentrating portions soil and microorganism in the mesh hole of pervious concrete, it is possible to
Environment is created, it is achieved the ecology of concrete road surface to plant growing.
It is presently used for the pervious concrete on permeable road and ground and mainly has a three types:
Cement pervious concrete is with portland cement as Binder Materials, and this Cost of Concrete is low, makes simple, it is adaptable to
Large area road pavement, good endurance, but owing to hole is more, its intensity, wearability and frost resistance are poor.
Macromolecule pervious concrete is with Colophonium or macromolecule resin as Binder Materials, compared with cement pervious concrete, and tool
There is high-strength advantage.But organic gel gel material weatherability difference is the most aging under atmospheric environment effect, has higher temperature
Sensitivity, easily softens trickling, makes water permeability be affected.
Sinter permeable goods to mix and stir with the mineral such as granular ceramic tile, Anhydrite, Kaolin, clay and slurry, be pressed into idiosome, through height
Temperature sintering forms.Such seepy material intensity is high, wearability is good, excellent durability but sintering process requires the expenditure of energy, become
This height, is not suitable for mating formation on a large scale.
Summary of the invention
Because the drawbacks described above of prior art, it is saturating that the technical problem to be solved is to provide a kind of novel ecological
Water coagulation soil, this pervious concrete is based on industry byproducts such as industry by-product gypsum, slag, construction waste, mine tailing sandstones
Wanting raw material, can overcome the tradition high shortcoming of pervious concrete energy consumption and have higher intensity, drawing materials easily, cost is relatively
Low, preparation process is simple, it is not necessary to high-temperature calcination, beneficially environmental protection.
The ecological permeable concrete that the present invention provides includes following component by percentage to the quality:
Modified gypsum Binder Materials 10 25%
Aggregate 70 88%
Water 2 8%；
Wherein, described modified gypsum Binder Materials includes major ingredient and building additive, and described major ingredient includes with percent mass
Following component than meter:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
Further, one-component or mixture during described Gypsum Fibrosum refers to desulfurated plaster, ardealite, fluorgypsum add through calcining
Work and the Gypsum Fibrosum with calcium sulfate as main component that formed；Described mixture refer in three kinds of components any two kinds of components mixing or
Three kinds of component mixing；Preferably, in any two kinds of component mixtures, any component quality accounting is 0 50%；Preferably, exist
In three kinds of component mixtures, any component quality accounting 0 35%.
Described breeze is the product after mineral powder processing, and the chemical composition of ground blast furnace slag is more stable, with normal silicate water
Mud is the most close, has good hydration activity, under alkaline excitation can quickly aquation thus improve the early strength of material,
Make use of the garbage that Metallurgical Factory produces simultaneously.
Described steel-making slag powder is the waste residue of steel-making, has higher hardness.Ground steel slag in the basic conditions can with aquation,
The present invention utilizes the Ca (OH) after clinker aquation2Or other alkali-activators, improve the wearability of material.Preferably, institute
Stating ground steel slag is the one-level steel-making slag powder meeting relevant national standard.
Cement in described eco-concrete component can increase substantially Binder Materials compressive property, improves material simultaneously
Water resistance；Preferably, described cement is P.O425 or 525 Portland cements.
Described retarder and water reducer are building additive, and building additive can significantly improve novel ecological concrete
Mechanical property and stability, be indispensable ingredient.
Described cellulose ether can improve the water retention property of material, reduces the contraction distortion of mortar.
Described PP fiber is also referred to as polypropylene fibre, it is possible to the development of the microcrack that the barrier material hardening initial stage is formed, thus
Improve the anti-crack ability of material, barrier performance.
In a kind of better embodiment of the present invention, the Gypsum Fibrosum in described major ingredient is desulfurated plaster, and major ingredient includes with matter
The following component of amount mark meter:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
The present invention another preferably in embodiment, the Gypsum Fibrosum in described major ingredient is the mixed of desulfurated plaster and ardealite
Compound, major ingredient includes the following component in terms of mass fraction:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
Wherein, desulfurated plaster more preferably 15 25%, ardealite more preferably 15 25%.
In another kind of the present invention preferably embodiment, the Gypsum Fibrosum in described major ingredient is desulfurated plaster, ardealite, fluorite
The mixture of three kinds of components of cream, major ingredient includes the following component in terms of mass fraction:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
Wherein, desulfurated plaster more preferably 8 13%, ardealite more preferably 8 12.5%, fluorgypsum enters one
Step is preferably 8 12.5%.
Aggregate of the present invention can be in slag, construction waste, mine tailing sandstone any one.Described slag is steel-making
The waste residue discharged, the granule formed after sieving according to different-grain diameter after grinding；Described construction waste is discarding in building waste
Concrete and discarded masonry through hammering or grind, then according to different-grain diameter screening, thick, the fine aggregate of formation；Described CHARACTERISTICS OF TAILINGS SAND
Stone refers to the garbage that mining produces, and physical and chemical performance is stable, and mine tailing stone is through broken and sorting process, the grain of formation
The granule that footpath is different.
Preferably, above-mentioned aggregate, through levigate, screening, is divided into different-grain diameter group, can carry out according to different engineering demands
Grating.Preferably, particle diameter be the fine aggregate volume in mass ratio of 1 3mm be 0 25%, particle diameter is that 3 10mm coarse aggregates are by quality
It is 75 100% than volume.Proportioning according to above-mentioned raw materials weighs, and is added separately in blender, through stirring
Can realize pouring, smooth, maintenance processes, obtain the eco-concrete that the present invention provides.
Present invention also offers the preparation method of a kind of above-mentioned novel ecological pervious concrete, it includes step:
1) modified gypsum Binder Materials is prepared；
2) oven-dried aggregate is prepared；
3) by each raw material of major ingredient, building additive and aggregate by proportioning mixing and stirring.
The concrete dry powder of above-mentioned preparation water with certain proportioning before use can use after mixing.
Further, step 1) described in prepare the method for gypsum plaster and be: first by industry byproduct desulfurated plaster and/
Or after ardealite and/or fluorgypsum carry out pretreatment, directly dry or mixing post-drying, then calcine, grind, finally cool down old
Change.This preparation method can use two-step method gypsum calcination system to complete.
Described two-step method refers to separately carry out drying course and calcination process, dries and calcines at described two-step method Gypsum Fibrosum
In calcination system, locellus is carried out, and this system is in the technical foundation of Gypsum Fibrosum fluidized bed furnace, uses pneumatic conveying drying and fluidizing calcination
Technology realizes.Utilize calcining waste heat to dry by heat-conducting medium simultaneously, energy consumption can be reduced further.
Wherein, desulfurated plaster and ardealite be mainly composed of dihydrate gypsum, drying and calcining after the Gypsum Fibrosum master for preparing
Wanting composition is β-semi-hydrated gypsum (Gypsum Fibrosum preparata), again forms dihydrate gypsum (Gypsum Fibrosum) thus reach certain strong after its water suction
Degree, semi-hydrated gypsum has the characteristic of fast solidifying.
Preferably, the temperature that described gypsum plaster is dried is 50～100 DEG C, and more excellent is 70～80 DEG C, and optimum is 75
℃；The time of described drying is 1～2 hour.
Preferably, the temperature of described calcining is 130～180 DEG C, and optimum is 150 DEG C；The time of described calcining is 1～3 little
Time, optimum is 2 hours.
Preferably, step 1) in use the tail steam of power plants generating electricity to carry out described drying and described calcining, make full use of money
Source, has accomplished " zero-emission " while ensureing Gypsum Fibrosum performance.It is further preferred that the waste heat of available described calcining carries out institute
State drying, thus reduce energy consumption further.
Preferably, step 3) in by each raw material of major ingredient, building additive and the professional dry powder mortar production line of graded sand
Mixing and stirring.
The present invention has following features and an advantage:
The pervious concrete that the present invention proposes, properties is excellent, and comprcssive strength is not less than 32.0MPa, and Split-tension of Rolled is strong
Degree is not less than 3.0 × 10 not less than 6.0MPa, coefficient of permeability-2Cm/s, frost resistance can reach D35 index, and wearability mill hole is long
Degree is not more than 30mm.
The present invention using Industrial Solid Waste replace conventional cement, natural gravel as preparing the main raw material(s) of pervious concrete,
Substantially increasing the added value of industry byproduct, the production and the natural gravel that reduce conventional cement exploit the environmental pollution caused
And destruction, draw materials easily, reduce the production cost of pervious concrete, be suitable for using on a large scale.
Detailed description of the invention
Gypsum Fibrosum in embodiment is Shanghai pit hole mouth power plant Gypsum Fibrosum；Cement uses 425 Portland cements；Retarder is adopted
With Germany TRICOSAL Retardan P；Gypsum Fibrosum high-efficiency water-reducing agent of poly-carboxylic acid uses three auspicious G15 water reducers；Cellulose ether is adopted
MHPC 400 cellulose ether produced with Hercules company；Slag powders uses the S95 ground granulated blast furnace slag that Baosteel produces, steel
Ground-slag uses the one-level steel-making slag powder that Baosteel produces.
In embodiment, the production method of test specimen and test mode are according to national standard GB/T 25993-2010 permeable pavement brick
Carry out with relevant regulations in porous pavement plate.
Embodiment one:
Pervious concrete three component: modified gypsum Binder Materials 20%, aggregate 75%, water 5%.
The component of modified gypsum Binder Materials major ingredient is: Gypsum Fibrosum 40%, slag powders 30%, steel-making slag powder 20%, cement 10%,
Wherein Gypsum Fibrosum is one-component desulfurated plaster；
Building additive and be to the permillage of major ingredient quality: retarder 2 ‰, water reducer 2 ‰, cellulose 0.5 ‰；
Aggregate is slag, coarse aggregate size 3-5mm, volume 100%；
Performance is as follows:
Embodiment two:
Pervious concrete three component: modified gypsum Binder Materials 10%, aggregate 88%, water 2%.
The component of modified gypsum Binder Materials major ingredient is: Gypsum Fibrosum 40%, slag powders 30%, steel-making slag powder 20%, cement 10%,
Wherein Gypsum Fibrosum is desulfurated plaster and ardealite 1:1 in mass ratio mixing；
Building additive and be to the permillage of major ingredient quality: retarder 2 ‰, water reducer 3 ‰, cellulose 0.5 ‰, PP
Fiber 1 ‰；
Aggregate is slag, fine aggregate particle diameter 1 3mm, volume 25%, coarse aggregate size 3 5mm, volume 75%；
Performance is as follows:
Embodiment three:
Pervious concrete three component: modified gypsum Binder Materials 20%, aggregate 75%, water 5%.
The component of modified gypsum Binder Materials major ingredient is: Gypsum Fibrosum 30%, slag powders 35%, steel-making slag powder 25%, cement 10%,
Wherein Gypsum Fibrosum is desulfurated plaster, ardealite and fluorgypsum 1:1:1 in mass ratio mixing；
Building additive and be to the permillage of major ingredient quality: retarder 2 ‰, water reducer 2 ‰, cellulose 1 ‰, PP are fine
Tie up 2 ‰；
Aggregate is slag, fine aggregate particle diameter 1-3mm, volume 10%, coarse aggregate size 3-5mm, volume 90%；
Performance is as follows:
Embodiment four:
Pervious concrete three component: modified gypsum Binder Materials 20%, aggregate 75%, water 5%.
The component of modified gypsum Binder Materials major ingredient is: Gypsum Fibrosum 40%, slag powders 30%, steel-making slag powder 20%, cement 10%,
Wherein Gypsum Fibrosum is desulfurated plaster and ardealite 1:1 in mass ratio mixing；
Building additive and be to the permillage of major ingredient quality: retarder 2 ‰, water reducer 2 ‰, cellulose 2 ‰, PP are fine
Tie up 5 ‰；
Aggregate is construction waste, fine aggregate particle diameter 1-3mm, volume 15%, coarse aggregate size 3-5mm, volume 85%；
Performance is as follows:
Can draw from above-described embodiment, the novel ecological concrete that the present invention provides has the advantage that
1) make use of the industry byproducts such as desulfurated plaster, ardealite, fluorgypsum, slag, construction waste in a large number, accelerate work
Industry side-product and the consumption of solid waste, it is achieved the circulation comprehensive of solid waste resource utilizes；
2) utilize tail steam calcination and drying that power plants generating electricity produces, accomplish energy-saving and emission-reduction, environmental protection；
3) rupture strength, coefficient of permeability, frost resistance etc. are above national standard, have good mechanical property；
4) raw material is cheap, it is easy to obtain, steady quality, and product cost is excellent, contributes to spread and uses；
Therefore the novel ecological concrete of the present invention is the excellent selection as water-permeable brick and porous pavement.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art without
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
Personnel are available by logical analysis, reasoning, or a limited experiment the most on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (9)
1. an ecological permeable concrete, it is characterised in that include following component by percentage to the quality:
Modified gypsum Binder Materials 10 25%
Aggregate 70 88%
Water 2 8%；
Wherein, described modified gypsum Binder Materials includes major ingredient and building additive, and described major ingredient includes by percentage to the quality
Following component:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
2. ecological permeable concrete as claimed in claim 1, it is characterised in that the Gypsum Fibrosum in described major ingredient is desulfurated plaster, main
The following component that material includes in terms of mass fraction:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
3. ecological permeable concrete as claimed in claim 1, it is characterised in that the Gypsum Fibrosum in described major ingredient be desulfurated plaster and
The mixture of ardealite, major ingredient includes the following component in terms of mass fraction:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
4. ecological permeable concrete as claimed in claim 1, it is characterised in that the Gypsum Fibrosum in described major ingredient is desulfurated plaster, phosphorus
Gypsum Fibrosum, the mixture of three kinds of components of fluorgypsum, major ingredient includes the following component in terms of mass fraction:
Described building additive, calculates with the permillage relative to major ingredient quality, including:
5. the preparation method of ecological permeable concrete as claimed in claim 1, it is characterised in that include step:
1) modified gypsum Binder Materials is prepared；
2) oven-dried aggregate is prepared；
3) by each raw material of major ingredient, building additive and aggregate by proportioning mixing and stirring.
6. the preparation method of ecological permeable concrete as claimed in claim 5, it is characterised in that step 1) described in prepare stone
The method of mastic gel material is: after first industry byproduct desulfurated plaster and/or ardealite and/or fluorgypsum being carried out pretreatment,
Directly dry or mixing post-drying, then calcine, grind, last cooling and aging.This preparation method can use two-step method Gypsum Fibrosum to forge
Burning system completes.
7. the preparation method of ecological permeable concrete as claimed in claim 6, it is characterised in that described gypsum plaster dries
Dry temperature is 50～100 DEG C.
8. the preparation method of ecological permeable concrete as claimed in claim 6, it is characterised in that the temperature of described calcining is 130
～180 DEG C.
9. the preparation method of ecological permeable concrete as claimed in claim 6, it is characterised in that step 1) in use power plant to send out
The tail steam of electricity carries out described drying and described calcining.
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| CN106587848A (en) * | 2016-12-21 | 2017-04-26 | 嘉华特种水泥股份有限公司 | Pervious concrete |
| CN106904923A (en) * | 2017-03-13 | 2017-06-30 | 中建商品混凝土有限公司 | A kind of large volume eco-concrete and its construction method suitable for torrid areas |
| CN107814500A (en) * | 2017-11-09 | 2018-03-20 | 中国电建集团成都勘测设计研究院有限公司 | A kind of eco-concrete binder materials and neutral eco-concrete |
| CN108129112A (en) * | 2017-12-30 | 2018-06-08 | 定远县明友墙体材料有限责任公司 | High-strength water permeable brick for river bank protection |
| CN108191334A (en) * | 2018-01-09 | 2018-06-22 | 上海复培新材料技术有限公司 | The special cementitious material of pervious concrete and its application |
| CN108358553A (en) * | 2018-03-02 | 2018-08-03 | 同济大学 | A kind of non-light tight concrete and preparation method thereof prepared with ardealite base hydraulicity composite gel material |
| CN108358579A (en) * | 2018-03-02 | 2018-08-03 | 同济大学 | A kind of photocatalysis concrete and preparation method thereof prepared with ardealite base hydraulicity composite gel material |
| CN108358570A (en) * | 2018-03-02 | 2018-08-03 | 同济大学 | A kind of pervious concrete and preparation method thereof prepared with ardealite base hydraulicity composite gel material |
| CN108585737A (en) * | 2018-06-28 | 2018-09-28 | 江苏百瑞吉新材料有限公司 | A kind of eco-concrete and preparation method thereof |
| CN108751877A (en) * | 2018-08-20 | 2018-11-06 | 上海境锐建筑科技有限公司 | Water storage type pervious concrete and its preparation method and application |
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| CN108585737A (en) * | 2018-06-28 | 2018-09-28 | 江苏百瑞吉新材料有限公司 | A kind of eco-concrete and preparation method thereof |
| CN108751877A (en) * | 2018-08-20 | 2018-11-06 | 上海境锐建筑科技有限公司 | Water storage type pervious concrete and its preparation method and application |
| CN112321255A (en) * | 2020-11-06 | 2021-02-05 | 江西省建筑材料工业科学研究设计院 | Pervious concrete with biological water purification function and preparation method thereof |
| CN113954233A (en) * | 2021-10-28 | 2022-01-21 | 湖北交投智能检测股份有限公司 | Preparation method of phosphogypsum prefabricated member and phosphogypsum prefabricated member |
| CN115557718A (en) * | 2022-11-28 | 2023-01-03 | 新源县渣宝环保技术有限公司 | Method for calcining flue gas desulfurization gypsum by using converter steel slag |
| CN115557718B (en) * | 2022-11-28 | 2023-06-23 | 新源县渣宝环保技术有限公司 | Method for calcining flue gas desulfurization gypsum by using converter steel slag |
| CN116751022A (en) * | 2023-06-08 | 2023-09-15 | 中建商品混凝土有限公司 | High-absorption phosphogypsum-based full-solid waste permeable concrete and preparation method thereof |
| CN117623729A (en) * | 2023-12-04 | 2024-03-01 | 云南云天化股份有限公司 | A roadbed mixed material prepared using phosphogypsum and its construction technology |
| CN119241129A (en) * | 2024-10-12 | 2025-01-03 | 重庆市武隆区交通工程有限责任公司 | Highly permeable concrete admixture and permeable concrete |
| CN119954475A (en) * | 2025-01-16 | 2025-05-09 | 中冶南方都市环保工程技术股份有限公司 | All-solid waste steel slag permeable concrete and preparation method thereof |
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