CN109456000A - A kind of water-permeable brick and preparation method thereof - Google Patents
A kind of water-permeable brick and preparation method thereof Download PDFInfo
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- CN109456000A CN109456000A CN201811473804.8A CN201811473804A CN109456000A CN 109456000 A CN109456000 A CN 109456000A CN 201811473804 A CN201811473804 A CN 201811473804A CN 109456000 A CN109456000 A CN 109456000A
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- water
- surface layer
- reducing agent
- permeable brick
- steel slag
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
-
- 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
- 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
- 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)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of permeable brick, from top to bottom successively includes surface material and primer, wherein surface material includes fabric, surface layer water-reducing agent and surface layer water, fabric by weight, including following components: 10-30 parts of cement；First 60-85 parts of steel slag；Thin 1-10 parts of building waste；The additional amount of surface layer water-reducing agent is appropriate；The additional amount of surface layer water is appropriate；Primer includes bottom material, bottom water-reducing agent and bottom water, bottom material by weight, including following components: 10-30 parts of cement；First 30-60 parts of steel slag；Thick 15-40 parts of building waste；Thin 1-10 parts of building waste；The additional amount of bottom water-reducing agent is appropriate；The additional amount of bottom water is appropriate.The present invention further provides a kind of preparation methods of water-permeable brick.A kind of water-permeable brick provided by the invention and preparation method thereof, had not only solved the insufficient supply of electric furnace slag, but also had expanded the utilization new way of building waste.
Description
Technical field
The invention belongs to the technical field of New Building Materials, it is related to a kind of water-permeable brick and preparation method thereof, and in particular to
A method of the electric furnace slag after sorting gathers materials with building waste as aggregate to prepare water-permeable brick.
Background technique
With the continuous development that urban modernization is built, city is covered by armored concrete, waterproof pavement respiratory
Difference can not permeate rainwater.And permeability steel slag concrete brick has the characteristics that porous structure, porosity are big, can permeate rainwater, increases
Add urban groundwater resource, improve urban climate, protects environment.Pervious concrete brick can be widely applied to municipal administration, cell, garden
Woods, the road engineering in square field and parking lot etc..
Steel slag is the waste residue generated in steelmaking process, also different according to process for making and Technology of Steel Slag Processing heterogeneity.
According to process for making difference, the steel slag of generation is not also identical, wherein electric furnace slag due to stability it is preferable, be widely used in building
It builds in material, using very extensive especially in pervious concrete, improves its economic value added.But with water-permeable brick market
It continually develops, the phenomenon that supply falls short of demand occurs in electroslag resource.
Building waste is in China in the trend risen, and with accelerating for Chinese Urbanization, what is generated every year from now on is built
Building refuse all will be at 1,500,000,000 tons or more, but its utilization rate is not high, and building waste processing mode is mainly temporary to stack and fill
Disposition.Enough attention are not caused also to the recycling of old concrete, with the sharp increase of China's building waste quantity, are built
Building refuse recycling treatment is extremely urgent.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of water-permeable brick and its preparation sides
Method uses double-layer cloth for solving to lack in the prior art, and surface layer uses steel slag as aggregate, and bottom is with steel slag and building rubbish
Rubbish compounding prepares permeable the problem of turning as aggregate.
In order to achieve the above objects and other related objects, first aspect present invention provides a kind of permeable brick, by up to
Under successively include surface material and primer, wherein
The surface material includes fabric, surface layer water-reducing agent and surface layer water, the fabric by weight, including with the following group
Point:
10-30 parts of cement；
First 60-85 parts of steel slag；
Thin 1-10 parts of building waste；
The additional amount of the surface layer water-reducing agent is appropriate；
The additional amount of the surface layer water is appropriate；
The primer includes bottom material, bottom water-reducing agent and bottom water, the bottom material by weight, including with the following group
Point:
The additional amount of the bottom water-reducing agent is appropriate；
The additional amount of the bottom water is appropriate.
Fabric component carries out metering mixing in above-mentioned surface material, then is mixed with surface layer water-reducing agent, surface layer water, obtains
Surface layer mixture；Bottom material component carries out metering mixing in above-mentioned primer, then is mixed with bottom water-reducing agent, bottom water,
Bottom mixture is obtained, then bottom mixture is placed in mold after pre-extrusion, surface layer mixture is added and is formed
Prepare the water-permeable brick.
Preferably, a kind of permeable brick, from top to bottom successively includes surface material and primer, wherein
The surface material includes fabric, surface layer water-reducing agent and surface layer water, the fabric by weight, including with the following group
Point:
12-25 parts of cement；
First 70-82 parts of steel slag；
Thin 2-8 parts of building waste；
The additional amount of the surface layer water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the surface layer water and cement consumption are as follows: 0.1-0.5:1；
The primer includes bottom material, bottom water-reducing agent and bottom water, the bottom material by weight, including with the following group
Point:
The additional amount of the bottom water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the bottom water and cement consumption are as follows: 0.1-0.5:1.
It from top to bottom successively include surface material and primer it is highly preferred that a kind of permeable brick,
In,
The surface material includes fabric, surface layer water-reducing agent and surface layer water, the fabric by weight, including with the following group
Point:
15-20 parts of cement；
First 75-80 parts of steel slag；
Thin 3-5 parts of building waste；
The additional amount of the surface layer water-reducing agent is the 0.5-1.0wt% of cement consumption；
The weight ratio of the surface layer water and cement consumption are as follows: 0.2-0.3:1；
The primer includes bottom material, bottom water-reducing agent and bottom water, the bottom material by weight, including with the following group
Point:
The additional amount of the bottom water-reducing agent is the 0.5-1.0wt% of cement consumption；
The weight ratio of the bottom water and cement consumption are as follows: 0.2-0.3:1.
Preferably, the cement is 42.5 grades of ordinary portland cements (OPC) of P.O.Specifically, the cement is served as reasons
42.5 grades of ordinary portland cements of P.O of conch Cement Co., Ltd production.
Preferably, first steel slag and the second steel slag are electric furnace slag.The electric furnace slag is upper marine smelting environment
Engineering science and technology Co., Ltd provides.
It is highly preferred that the performance condition of the electric furnace slag are as follows: f-CaO (free calcium oxide) is 0；Mohs' hardness >=6；Than
Focus on 3.0-3.8 tons/cubic meter.
Preferably, the partial size of first steel slag >=3mm and < 5mm.
Preferably, the partial size of second steel slag is 5-15mm.It is increased by large-sized second steel slag of offer permeable
The water penetration of brick.
Preferably, the building waste is to produce in the production activity for being engaged in the construction industries such as removal, construction, finishing, repairerment
The general designation of raw waste and old concrete, waste and old masonry and other wastes.The thin building waste depends on the division of thick building waste
In particle size range difference.
Preferably, partial size≤3mm of the thin building waste.
Preferably, the partial size of the thick building waste is 5-15mm.
Preferably, the surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer (PCE).Specifically, described
Water-reducing agent is the SD-600P type polycarboxylate water-reducer that the auspicious high molecular material limited liability company in Shanghai three provides.
Preferably, the surface layer water and bottom water are tap water.
Second aspect of the present invention provides a kind of preparation method of water-permeable brick, including is prepared by above-mentioned permeable brick permeable
Brick.
Third aspect present invention provides a kind of preparation method of water-permeable brick, comprising the following steps:
1) steel slag is sieved and obtains the first steel slag and the second steel slag, building waste screening is obtained into thin building waste and slightly built
Building refuse；
2) be stirred after measuring each component in fabric by weight, sequentially add surface layer water-reducing agent and surface layer water into
Row is stirred, and obtains the surface layer mixture of semi-drying；
3) be stirred after measuring each component in bottom material by weight, sequentially add bottom water-reducing agent and bottom water into
Row is stirred, and obtains the bottom mixture of semi-drying；
4) bottom mixture obtained by step 3) is placed in mold, carries out pre-extrusion, add gained surface layer in step 2)
Mixture carries out extrusion forming, maintenance, water-permeable brick needed for both obtaining.
Preferably, in step 2), each component is stirred the time of mixing as 30-40s in the fabric.
Preferably, in step 2), it is described sequentially add surface layer water-reducing agent and surface layer water to be stirred the time of mixing be 60-
100s。
Preferably, in step 3), each component is stirred the time of mixing as 30-40s in the bottom material.
Preferably, in step 3), it is described sequentially add bottom water-reducing agent and bottom water to be stirred the time of mixing be 60-
100s。
Preferably, step 2) or 3) in, blender used by the stirring be general concrete mixer.
Preferably, in step 4), the pre-extrusion is vibration precompressed.
Preferably, in step 4), the pressure of the pre-extrusion is 3-5MPa.
Preferably, in step 4), the time of the pre-extrusion is 0.4-0.6s.
Preferably, in step 4), the extrusion forming is pressurization vibration extrusion forming.
Preferably, in step 4), the pressure of the extrusion forming is 14-16MPa.
Preferably, in step 4), the time of the extrusion forming is 1.5-2.5s.
The press device that above-mentioned pre-extrusion and extrusion forming use is conventional brick machine.Specifically, the compacting is set
Standby is brave board 4VS type brick machine.
Preferably, in step 4), the temperature of the maintenance is 20-25 DEG C, and the humidity of maintenance is 60-75%, curing time
>=24 hours.
Fourth aspect present invention provides a kind of water-permeable brick, is prepared by the preparation method of above-mentioned water-permeable brick.
As described above, a kind of water-permeable brick provided by the invention and preparation method thereof, has the advantages that
(1) a kind of water-permeable brick provided by the invention and preparation method thereof is gathered materials and is built with the electric furnace slag after sorting
Building refuse is innovatively proposed and is gathered materials with building waste using the electric furnace slag after sorting as the bottom bone of brick as aggregate
Material, the electric furnace slag after sorting obtain water-permeable brick by extrusion forming as surface layer aggregate.Both the supply of electric furnace slag had been solved
Deficiency, and the utilization new way of building waste has been expanded, belong to the recycling of solid waste, turns waste into wealth, development architecture rubbish
The added value of rubbish and steel slag utilizes new technology, new way.
(2) a kind of water-permeable brick provided by the invention and preparation method thereof promotes economic benefit and social benefit, and saves
Natural resources meet national recycling economy and utilize policy, it is contemplated that have apparent social economy and environmental benefit.
(3) a kind of water-permeable brick provided by the invention and preparation method thereof, using double-layer cloth, surface layer uses steel slag as bone
Material, bottom prepare permeable turn using steel slag and building waste compounding as aggregate, it is ensured that the surface layer aesthetics of water-permeable brick, and it is big
Building waste is utilized in amount.
(4) a kind of water-permeable brick provided by the invention and preparation method thereof, implementation is unburned extrusion process, more environmentally friendly section
Energy.
Specific embodiment
The present invention is further explained combined with specific embodiments below, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be clear that in the following example not specifically dated process equipment or device be all made of conventional equipment in the art or
Device；All pressure values and range all refer to relative pressure.
In addition, it should also be understood that, one or more method and step mentioned in the present invention does not repel before and after the combination step
It can also be inserted into other methods step there may also be other methods step or between these explicitly mentioned steps, unless separately
It is described；It should also be understood that the combination connection relationship between one or more equipment/device mentioned in the present invention is not repelled
The two equipment/devices specifically mentioned before and after the unit equipment/device there may also be other equipment/device or at these it
Between can also be inserted into other equipment/device, unless otherwise indicated.Moreover, unless otherwise indicated, the number of various method steps is only
Identify the convenient tool of various method steps, rather than for the arrangement order of limitation various method steps or limits the enforceable model of the present invention
It encloses, relativeness is altered or modified, and without material changes in technical content, when being also considered as, the present invention is enforceable
Scope.
Embodiment 1
Steel slag is sieved and obtains the first steel slag and the second steel slag, wherein the partial size of the first steel slag >=3mm and < 5mm, second
The partial size of steel slag is 5-15mm.Building waste is sieved and obtains thin building waste and thick building waste, wherein thin building waste
Partial size≤3mm, the partial size of thick building waste are 5-15mm.
Take fabric component respectively by weight: 15 parts of cement, 80 parts of the first steel slag, 5 parts of thin building waste stirrings are mixed
30-40s is closed, surface layer water-reducing agent is sequentially added and surface layer water is stirred mixing 60-100s, obtain the surface layer mixing of semi-drying
Material.Wherein, the additional amount of surface layer water-reducing agent is the 0.5wt% of cement consumption, and surface layer water is 0.3 times of cement consumption.
Take bottom material component respectively by weight: 15 parts of cement, 30 parts of thick building waste, is carefully built 50 parts of the second steel slag
5 parts of building refuse are stirred 30-40s, sequentially add bottom water-reducing agent and bottom water is stirred mixing 60-100s, obtain
The bottom mixture of semi-drying.Wherein, the additional amount of bottom water-reducing agent is the 0.5wt% of cement consumption, and bottom water is that cement is used
0.3 times of amount.
Above-mentioned cement is 42.5 grades of ordinary portland cements (OPC) of P.O.First steel slag and the second steel slag are electric steel
Slag, the performance condition of electric furnace slag are as follows: f-CaO (free calcium oxide) is 0；Mohs' hardness >=6；Specific gravity is in 3.0-3.8 ton/cube
Rice.Surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer (PCE).Surface layer water and bottom water are tap water.
The bottom mixture of semi-drying is placed in mold again, pre-extrusion 0.4-0.6s is carried out in 3-5MPa, adds half
The surface layer mixture of stemness 14-16MPa carry out extrusion forming 1.5-2.5s, then temperature be 20-25 DEG C, humidity 60-
75% lower maintenance >=24 hours, water-permeable brick sample 1# needed for both obtaining.Specific formula data are shown in Table 1.
Embodiment 2
Steel slag is sieved and obtains the first steel slag and the second steel slag, wherein the partial size of the first steel slag is 3-4mm, the second steel slag
Partial size be 5-8mm.Building waste is sieved and obtains thin building waste and thick building waste, wherein the partial size of thin building waste
1-3mm, the partial size of thick building waste are 5-10mm.
Take fabric component respectively by weight: 20 parts of cement, 75 parts of the first steel slag, 5 parts of thin building waste stirrings are mixed
35s is closed, surface layer water-reducing agent is sequentially added and surface layer water is stirred mixing 80s, obtain the surface layer mixture of semi-drying.Its
In, the additional amount of surface layer water-reducing agent is the 0.5wt% of cement consumption, and surface layer water is 0.3 times of cement consumption.
Take bottom material component respectively by weight: 20 parts of cement, 30 parts of thick building waste, is carefully built 45 parts of the second steel slag
5 parts of building refuse are stirred 35s, sequentially add bottom water-reducing agent and bottom water is stirred mixing 80s, obtain semi-drying
Bottom mixture.Wherein, the additional amount of bottom water-reducing agent is the 0.5wt% of cement consumption, and bottom water is the 0.3 of cement consumption
Times.
Above-mentioned cement is 42.5 grades of ordinary portland cements (OPC) of P.O.First steel slag and the second steel slag are electric steel
Slag, the performance condition of electric furnace slag are as follows: f-CaO (free calcium oxide) is 0；Mohs' hardness is 7；Specific gravity is in 3.2-3.4 ton/cube
Rice.Surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer (PCE).Surface layer water and bottom water are tap water.
The bottom mixture of semi-drying is placed in mold again, pre-extrusion 0.5s is carried out in 4MPa, adds semi-drying
Surface layer mixture carries out extrusion forming 2.0s in 15MPa, and then in the case where temperature is 20-25 DEG C, humidity is 60-75%, maintenance 24 is small
When, water-permeable brick sample 2# needed for both obtaining.Specific formula data are shown in Table 1.
Embodiment 3
Steel slag is sieved and obtains the first steel slag and the second steel slag, wherein the partial size of the first steel slag is 4-4.9mm, the second steel
The partial size of slag is 10-15mm.Building waste is sieved and obtains thin building waste and thick building waste, wherein thin building waste
Partial size 0.5-2.5mm, the partial size of thick building waste are 11-15mm.
Take fabric component respectively by weight: 18 parts of cement, 79 parts of the first steel slag, 3 parts of thin building waste stirrings are mixed
30s is closed, surface layer water-reducing agent is sequentially added and surface layer water is stirred mixing 70s, obtain the surface layer mixture of semi-drying.Its
In, the additional amount of surface layer water-reducing agent is the 1.0wt% of cement consumption, and surface layer water is 0.2 times of cement consumption.
Take bottom material component respectively by weight: 18 parts of cement, 29 parts of thick building waste, is carefully built 50 parts of the second steel slag
3 parts of building refuse are stirred 30s, sequentially add bottom water-reducing agent and bottom water is stirred mixing 70s, obtain semi-drying
Bottom mixture.Wherein, the additional amount of bottom water-reducing agent is the 1.0wt% of cement consumption, and bottom water is the 0.2 of cement consumption
Times.
Above-mentioned cement is 42.5 grades of ordinary portland cements (OPC) of P.O.First steel slag and the second steel slag are electric steel
Slag, the performance condition of electric furnace slag are as follows: f-CaO (free calcium oxide) is 0；Mohs' hardness is 8；Specific gravity is in 3.5-3.8 ton/cube
Rice.Surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer (PCE).Surface layer water and bottom water are tap water.
The bottom mixture of semi-drying is placed in mold again, pre-extrusion 0.6s is carried out in 3MPa, adds semi-drying
Surface layer mixture carries out extrusion forming 2.5s in 14MPa, and then in the case where temperature is 20-25 DEG C, humidity is 60-75%, maintenance 48 is small
When, water-permeable brick sample 3# needed for both obtaining.Specific formula data are shown in Table 1.
Embodiment 4
Steel slag is sieved and obtains the first steel slag and the second steel slag, wherein the partial size of the first steel slag is 3.5-4.5mm, second
The partial size of steel slag is 8-12mm.Building waste is sieved and obtains thin building waste and thick building waste, wherein thin building waste
Partial size≤1.5-2.5mm, the partial size of thick building waste are 8-12mm.
Take fabric component respectively by weight: 20 parts of cement, 75 parts of the first steel slag, 5 parts of thin building waste stirrings are mixed
40s is closed, surface layer water-reducing agent is sequentially added and surface layer water is stirred mixing 90s, obtain the surface layer mixture of semi-drying.Its
In, the additional amount of surface layer water-reducing agent is the 1.0wt% of cement consumption, and surface layer water is 0.2 times of cement consumption.
Take bottom material component respectively by weight: 20 parts of cement, 25 parts of thick building waste, is carefully built 50 parts of the second steel slag
5 parts of building refuse are stirred 40s, sequentially add bottom water-reducing agent and bottom water is stirred mixing 90s, obtain semi-drying
Bottom mixture.Wherein, the additional amount of bottom water-reducing agent is the 1.0wt% of cement consumption, and bottom water is the 0.2 of cement consumption
Times.
Above-mentioned cement is 42.5 grades of ordinary portland cements (OPC) of P.O.First steel slag and the second steel slag are electric steel
Slag, the performance condition of electric furnace slag are as follows: f-CaO (free calcium oxide) is 0；Mohs' hardness is 9；Specific gravity is in 3.3-3.6 ton/cube
Rice.Surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer (PCE).Surface layer water and bottom water are tap water.
The bottom mixture of semi-drying is placed in mold again, pre-extrusion 0.4s is carried out in 5MPa, adds semi-drying
Surface layer mixture carries out extrusion forming 1.5s in 16MPa, and then in the case where temperature is 20-25 DEG C, humidity is 60-75%, maintenance 36 is small
When, water-permeable brick sample 4# needed for both obtaining.Specific formula data are shown in Table 1.
Table 1
Embodiment 5
The water-permeable brick sample 1#-4# that will be obtained in embodiment 1-4, by GB/T 25993-2010 " permeable pavement brick and permeable
Road deck " 28 days compression strength and coefficient of permeability test are carried out, specific data are shown in Table 2.
Table 2
As shown in Table 2, according to 28 days compression strength >=40MPa of the water-permeable brick of existing standard requirements Cc40, coefficient of permeability
≥1.0×10-2Cm/s, water-permeable brick prepared by the present invention is significantly more than Cc40 standard requirements.As it can be seen that product of the invention belongs to benefit
Waste, properties of product are able to satisfy respective country standard requirements.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of permeable brick, from top to bottom successively includes surface material and primer, wherein
The surface material includes fabric, surface layer water-reducing agent and surface layer water, the fabric by weight, including following components:
10-30 parts of cement；
First 60-85 parts of steel slag；
Thin 1-10 parts of building waste；
The additional amount of the surface layer water-reducing agent is appropriate；
The additional amount of the surface layer water is appropriate；
The primer includes bottom material, bottom water-reducing agent and bottom water, the bottom material by weight, including following components:
The additional amount of the bottom water-reducing agent is appropriate；
The additional amount of the bottom water is appropriate.
2. a kind of permeable brick according to claim 1, which is characterized in that from top to bottom successively include surface material
And primer, wherein
The surface material includes fabric, surface layer water-reducing agent and surface layer water, the fabric by weight, including following components:
12-25 parts of cement；
First 70-82 parts of steel slag；
Thin 2-8 parts of building waste；
The additional amount of the surface layer water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the surface layer water and cement consumption are as follows: 0.1-0.5:1；
The primer includes bottom material, bottom water-reducing agent and bottom water, the bottom material by weight, including following components:
The additional amount of the bottom water-reducing agent is the 0.1-2.0wt% of cement consumption；
The weight ratio of the bottom water and cement consumption are as follows: 0.1-0.5:1.
3. a kind of permeable brick according to claim 1, which is characterized in that the cement is 42.5 grades of ordinary silicons of P.O
Acid salt cement；The surface layer water-reducing agent and bottom water-reducing agent are polycarboxylate water-reducer；The surface layer water and bottom water are certainly
Water.
4. a kind of permeable brick according to claim 1, which is characterized in that first steel slag and the second steel slag are
Electric furnace slag；The performance condition of the electric furnace slag are as follows: f-CaO 0；Mohs' hardness >=6；Specific gravity is in 3.0-3.8 ton/cube
Rice.
5. a kind of permeable brick according to claim 1, which is characterized in that partial size >=3mm of first steel slag and
< 5mm；The partial size of second steel slag is 5-15mm.
6. a kind of permeable brick according to claim 1, which is characterized in that partial size≤3mm of the thin building waste；
The partial size of the thick building waste is 5-15mm.
7. a kind of preparation method of water-permeable brick is prepared including the permeable brick as described in claim 1-6 any claim
Water-permeable brick.
8. a kind of preparation method of water-permeable brick according to claim 7, which comprises the following steps:
1) steel slag is sieved and obtains the first steel slag and the second steel slag, building waste screening is obtained into thin building waste and thick building rubbish
Rubbish；
2) it is stirred after measuring each component in fabric by weight, sequentially adds surface layer water-reducing agent and surface layer water is stirred
Mixing is mixed, the surface layer mixture of semi-drying is obtained；
3) it is stirred after measuring each component in bottom material by weight, sequentially adds bottom water-reducing agent and bottom water is stirred
Mixing is mixed, the bottom mixture of semi-drying is obtained；
4) bottom mixture obtained by step 3) is placed in mold, carries out pre-extrusion, add gained surface layer mixing in step 2)
Material carries out extrusion forming, maintenance, water-permeable brick needed for both obtaining.
9. a kind of preparation method of water-permeable brick according to claim 8, which is characterized in that including any in the following conditions
Item is multinomial:
A1) time that each component is stirred mixing in the fabric is 30-40s；
A2 surface layer water-reducing agent is sequentially added described in) and surface layer water is stirred the time of mixing as 60-100s；
A3) time that each component is stirred mixing in the bottom material is 30-40s；
A4 bottom water-reducing agent is sequentially added described in) and bottom water is stirred the time of mixing as 60-100s；
A5) pressure of the pre-extrusion is 3-5MPa；
A6) time of the pre-extrusion is 0.4-0.6s；
A7) pressure of the extrusion forming is 14-16MPa；
A8) time of the extrusion forming is 1.5-2.5s；
A9) temperature of the maintenance is 20-25 DEG C, and the humidity of maintenance is 60-75%, curing time >=24 hour.
10. the preparation method of a kind of water-permeable brick, the water-permeable brick as described in claim 7-9 any claim prepares.
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| CN201811473804.8A CN109456000A (en) | 2018-12-04 | 2018-12-04 | A kind of water-permeable brick and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981396A (en) * | 2019-12-26 | 2020-04-10 | 江苏未名环保科技有限公司 | Water permeable brick prepared from serpentine tailings and construction waste and preparation method thereof |
| CN111848049A (en) * | 2020-08-03 | 2020-10-30 | 安徽工业大学 | Preparation method of efficient anti-blocking self-purification steel slag microorganism pervious concrete |
| CN114716218A (en) * | 2022-05-18 | 2022-07-08 | 浙江甚骅建设有限公司 | Pervious concrete prepared based on building waste materials and preparation method thereof |
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|---|---|---|---|---|
| CN101007723A (en) * | 2007-02-09 | 2007-08-01 | 钱卫胜 | Concrete water-permeable brick using steel slag as aggregate |
| CN106365553A (en) * | 2016-08-29 | 2017-02-01 | 唐健发 | Water-permeable brick and preparation method thereof, and pavement construction technique |
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2018
- 2018-12-04 CN CN201811473804.8A patent/CN109456000A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007723A (en) * | 2007-02-09 | 2007-08-01 | 钱卫胜 | Concrete water-permeable brick using steel slag as aggregate |
| CN106365553A (en) * | 2016-08-29 | 2017-02-01 | 唐健发 | Water-permeable brick and preparation method thereof, and pavement construction technique |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981396A (en) * | 2019-12-26 | 2020-04-10 | 江苏未名环保科技有限公司 | Water permeable brick prepared from serpentine tailings and construction waste and preparation method thereof |
| CN110981396B (en) * | 2019-12-26 | 2021-12-14 | 江苏未名环保科技有限公司 | Water permeable brick prepared from serpentine tailings and construction waste and preparation method thereof |
| CN111848049A (en) * | 2020-08-03 | 2020-10-30 | 安徽工业大学 | Preparation method of efficient anti-blocking self-purification steel slag microorganism pervious concrete |
| CN114716218A (en) * | 2022-05-18 | 2022-07-08 | 浙江甚骅建设有限公司 | Pervious concrete prepared based on building waste materials and preparation method thereof |
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