CN110272256A - A kind of novel high-strength sand base water-permeable brick - Google Patents
A kind of novel high-strength sand base water-permeable brick Download PDFInfo
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- CN110272256A CN110272256A CN201810250470.1A CN201810250470A CN110272256A CN 110272256 A CN110272256 A CN 110272256A CN 201810250470 A CN201810250470 A CN 201810250470A CN 110272256 A CN110272256 A CN 110272256A
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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
-
- 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
- C04B28/30—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 magnesium cements or similar 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
-
- 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
Abstract
The invention discloses a kind of novel high-strength sand base water-permeable bricks and preparation method thereof, which includes surface layer and base, and the surface layer is bonded in the upper surface of base；The surface layer includes following components by mass parts: 150~350 parts of steel slag microballon, 0.01~0.15 part of graphene, 10~18 parts of reinforcing agent, 0.5~1.5 part of thickener, 1.5~5.5 parts of colorant, 4~6 parts of cementing agent and 3.5~5.5 parts of water；The base includes following components by mass parts: 550~850 parts of iron tailings sand, 150 parts of cement, 5~7 parts of reinforcing agent, 8~10 parts of accelerator, 0.1~0.3 part of water-reducing agent, 0.3~0.5 part of modified straw fiber and 3.5~7.5 parts of water.After being repeatedly sufficiently mixed stirring in blender or batch mixer, it is placed in brickmaking machine and forms and obtain.Present invention utilizes steel slag microballon, graphene oxide, solve the problems, such as that existing water-permeable brick intensity is low, permeable timeliness is not grown.Water-permeable brick good water permeability prepared by the present invention, compression strength is high, and wearability is good, can be widely used for the municipal engineering constructions such as sponge city.
Description
Technical field
The invention belongs to urban construction fields, and in particular to a kind of novel high-strength sand base water-permeable brick.
Background technique
Sponge urban construction is a kind of construction mode for influencing exploitation low on water environment, most important of which is that by original
Hard water tight concrete Pavement Improvement become porous pavement, water-permeable brick becomes the most important material of sponge urban construction
And product.
Current water-permeable brick substantially belong to building stones as gather materials, the coarse aggregate coagulation soil series of the cement as cementitious material
Column, this cement base water-permeable brick there is coefficients of permeability it is big, compression strength is low, wear-resisting property is poor the deficiencies of.This dependence particle
Between macroporous cement base water-permeable brick, be easy to be blocked by sundries such as silts during one's term of military service, water permeability decaying is very fast and is not easy to tie up
Shield.For this purpose, a kind of heat that the surface tension to destroy water receives market as the sand base water-permeable brick of target is held in both hands.
Sand base water-permeable brick generallys use 0.1mm~0.3mm artificial sand and weathering sand is fine aggregate, and it is superfine to form pore structure
It is small, the cleaning and recovery of water-permeable brick during one's term of military service can be easy to, to extend brick body by daily filtering foreign on brick body surface
Permeable timeliness.However, the acceleration curing mode using microwave heating is partially needed due to mostly using the Organic Ingredients such as resin,
Also there is special requirement to production equipment, complex process is costly, and large-scale application is restricted.As Beijing benevolence creates science and technology
Group exploitation with drift-sand (quartz sand, the main component SiO in desert2) it is main aggregate, surface layer is with hydrophilic resin glue
For bonding agent, base makes the base water-permeable brick that shakes out using ordinary cement as bonding agent.Its patent CN 200610140628.7 and CN
Its correlation that composite water permeable brick and its feature surface layer mixture are prepared using quartz sand as aggregate is described in 200780039199.7
Technology has carried out starting sex exploration for China's sand base water-permeable brick.
Patent CN 201610116207.4 discloses a kind of a kind of composite brick using iron tailings as base stock, system
The problem of in terms of the standby wet bonding for not accounting for epoxy resin surface layer and cement basic layer in the process, product quality not can guarantee.
Patent CN 201010616641.1 also discloses a kind of production method of sand base water-permeable brick, which, which considers, utilizes microwave
Accelerate the technology of resin solidification, but the requirement to production equipment and investment are higher, are unfavorable for the popularization and application of the technology.Patent CN
201210325211.3 disclose to production sand base water-permeable brick using a kind of new husky technology of pre- overlay film, and newly husky using pre- overlay film
Surface material is made with fabric bonding agent.The new husky manufacturing process of pre- overlay film is complex, needs to former husky heating stirring with complete
Glue process, higher cost are changed colour and wrapped up at sand material.Subsequent bonding agent uses dedicated resin material, raw material sources more office
Limit.
In conclusion sand base water-permeable brick in existing literature there is surface layer organic binders easy to aging, fugitive color, intensity
Low, the deficiencies of wearing no resistance, the deficiency that there is intensity is low for base's cement matrix, permeability rate is low, entire brick body manufacture craft are multiple
Miscellaneous, production cost is higher.How to find and a kind of substitutes traditional organic binder, the production sand base water-permeable brick that raw material cost is low
Production method is a highly important job.
Summary of the invention
In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a kind of novel high-strength sand base water-permeable brick and its preparations
Method to improve the compression strength of sand base water-permeable brick, wearability, permeable timeliness, and reduces being produced into for sand base water-permeable brick
This.
For achieving the above object, The technical solution adopted by the invention is as follows:
Novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper table of base
Face；
The surface layer includes following components by mass parts: 150~350 parts of steel slag microballon, 0.01~0.15 part of graphene,
10~18 parts of reinforcing agent, 0.5~1.5 part of thickener, 1.5~5.5 parts of colorant, 4~6 parts of cementing agent and 3.5~5.5 parts of water；
The base includes following components by mass parts: 550~850 parts of iron tailings sand, 150 parts of cement, reinforcing agent 5~7
Part, 8~10 parts of accelerator, 0.1~0.3 part of water-reducing agent, 0.3~0.5 part of modified straw fiber and 3.5~7.5 parts of water.
Preferably, novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in
The upper surface of base；The surface layer includes following components by mass parts: 300 parts of steel slag microballon, 0.12 part of graphene, reinforcing agent
15 parts, 0.6 part of thickener, 1.8 parts of colorant, 4 parts of cementing agent and 4.2 parts of water；The base includes with the following group by mass parts
Point: 650 parts of iron tailings sand, 150 parts of cement, 6 parts of reinforcing agent, 9 parts of accelerator, 0.2 part of water-reducing agent, 0.4 part of modified straw fiber
With 5.0 parts of water.
Further, the steel slag microballon is converter slag after water quenching or wind quenching processe, then through obtained by roller sieve classification
Partial size is 1~3mm, and the iron tailings sand is iron ore through tailing caused by ore dressing, 3~5mm of partial size.
Further, the graphene is graphene oxide powder, and the number of plies is 1~3 layer, purity 99%, average thickness
Less than 5nm.
Further, the reinforcing agent is that granulated blast-furnace slag gained fineness after grinding is big greater than 800 mesh, activity index
In the powder for being equal to 115%.
Further, after the accelerator is bauxite, soda ash, quick lime are mixed according to 1: 1: 0.5 ratio of mass ratio,
Grinding is at 350~450 mesh powders after calcining under 1400 DEG C of environment.
Further, the cement is 42.5 ordinary portland cements.
Further, the thickener is ethylene-vinyl acetate lotion, and the cementing agent is magnalium cementing agent.
Further, the colorant be iron oxide red, iron oxide black, it is a kind of in iron oxide yellow.
Further, it is that 15% Na OH impregnates that the modified straw fiber, which is rice straw or wheat straw waste through mass concentration,
After 24~48h, after originally water washing, then dries pulverizing to partial size is the fiber dust of 20~40 mesh.
Further, the water-reducing agent is the mixture of anthracene series high-efficiency water-reducing agent, polycarboxylic acid high-performance water reducer or both.
Water-reducing agent can be adsorbed in cement particle surface, have the function of diminishing and improve cement mortar and concrete strength.
Further, the water is tap water or standard compliant industrial circulating water.
The second object of the present invention is to provide the preparation method of the novel high-strength sand base water-permeable brick, specifically include following
Step:
(1) addition of iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water is stirred by formula
It mixes and stirs 6~8min in machine, Zhuan Ji base storage bin is delivered to after the completion of stirring；
(2) blender is added in steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water by formula
6~8min of interior stirring is delivered to brick machine side layer storage bin after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into high temperature vapour storehouse sealing maintenance 12h or more, stack after export pile up and put on plastic film after
Continuous maintenance.
Technical principle of the invention are as follows: aggregate of the steel slag microballon as sand base water-permeable brick surface layer has enhancing resistance on the whole
Mill effect, plays the microcosmic porous infiltration for being conducive to water；Graphene oxide has significant thickening and blood coagulation enhancing effect to cement slurry, aoxidizes stone
The heat of hydration of cement can be effectively reduced in the incorporation of black alkene, has significant activeness and quietness effect to Behavior of Hardened Cement Paste, in hardening of cement
Acicular crystal cluster is formed to the arrangement for having facilitation and the regular crystal of energy of crystalline product in Behavior of Hardened Cement Paste in journey, is improved
Pore structure in Behavior of Hardened Cement Paste has significant activeness and quietness to act on Behavior of Hardened Cement Paste；Ultrafine slag micro mist reinforcing agent since particle is thin,
Large specific surface area plays humidification to water-permeable brick at hydrated cementitious initial stage.Magnalium cementing agent is used in the present invention, and magnalium is cementing
The partial size of agent is nanoscale, is asked because heatproof intensity is low caused by oxidation there is no organic cementing agent is existing during heating
Topic, keeps water-permeable brick heat resistance good.More importantly magnalium cementing agent and graphene oxide are used in mixed way, overcome existing
There are water-permeable brick base and surface layer to bond bad problem.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention utilizes evengranular steel slag microballons as surface material, and surface layer is uniformly beautiful and retains tiny
Slit, select iron tailings sand be used as base material, guarantee foundation base intension while there are tiny slits.This product surface layer is uniformly beautiful
It sees, wearability is strong, and water permeability is good, and intensity is high, low in cost.
(2) due to the addition of magnalium cementing agent and graphene oxide, sand base water-permeable brick prepared by the present invention not only water penetration
It is good, be conducive to circulation of the steam in the spatial dimension of road surface, and water-permeable brick wearability is good, compression strength and flexural tensile strength are high.
(3) due to the addition of modified straw fiber, the enhancing of Sha Ji water-permeable brick prepared by the present invention base's cracking resistance is whole
Performance improves.
Specific embodiment
The preparation method of novel high-strength sand base water-permeable brick of the present invention is made further specifically combined with specific embodiments below
It is bright, but the contents of the present invention are not limited solely to the following examples.
Steel slag microballon used in the present invention is Ma'anshan Iron and Steel Corp's converter slag after water quenching or wind quenching processe, then through roller
Partial size obtained by sieve classification is 1~3mm, and iron tailings sand used is Ma Gang mining company iron ore through tailing caused by ore dressing,
3~5mm of its partial size.
Cement used is 42.5 ordinary portland cements.
Reinforcing agent used is to take vertical mill system grinding, primary chemical from Ma'anshan Iron and Steel Corp's granulated blast-furnace slag
Ingredient are as follows: SiO2: 32.8%, Al2O3: 17.54%, Fe2O3: 0.20%, Ca O:37.87%, Mg O:9.65%, SO3:
1.00%, f-Ca O:1.38%, after grinding gained fineness be 820 mesh, the powder that activity index is 115%.
Thickener used is ethylene-vinyl acetate lotion.
Graphene used is the produced graphene oxide powder of Changsha Ross Science and Technology Ltd., and the number of plies is 1~3 layer,
Purity is 99%, and average thickness is less than 5nm.
After accelerator used is bauxite, soda ash, quick lime are mixed according to 1: 1: 0.5 ratio of mass ratio, in 1400 DEG C of rings
Grinding is at 350~450 mesh powders after calcining under border.
Colorant used is iron oxide red, iron oxide black, a kind of in iron oxide yellow.
It is that 15%Na OH impregnates 24~48h that modified straw fiber used, which is rice straw or wheat straw waste through mass concentration,
Afterwards, after originally water washing, then dries pulverizing to partial size is the fiber dust of 20~40 mesh.
Water-reducing agent used is the mixture of anthracene series high-efficiency water-reducing agent, polycarboxylic acid high-performance water reducer or both.Water-reducing agent
It can be adsorbed in cement particle surface, have the function of diminishing and improve cement mortar and concrete strength.
Water used is tap water or standard compliant industrial circulating water.
Embodiment 1:
Novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper table of base
Face；The surface layer includes following components by mass parts: 150 parts of steel slag microballon, 0.01 part of graphene, 18 parts of reinforcing agent, thickener
0.5 part, 1.5 parts of colorant, 4 parts of cementing agent and 3.5 parts of water；The base includes following components by mass parts: iron tailings sand 550
Part, 150 parts of cement, 5 parts of reinforcing agent, 8 parts of accelerator, 0.1 part of water-reducing agent, 0.3 part of modified straw fiber and 3.5 parts of water.
The preparation method of the novel high-strength sand base water-permeable brick, specifically includes the following steps:
(1) addition of iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water is stirred by formula
It mixes and stirs 6min in machine, Zhuan Ji base storage bin is delivered to after the completion of stirring；
(2) blender is added in steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water by formula
Interior stirring 8min is delivered to brick machine side layer storage bin after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into high temperature vapour storehouse sealing maintenance 18h, stacks to pile up and put on plastic film after export and continues to support
Shield.
Embodiment 2:
Novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper table of base
Face；The surface layer includes following components by mass parts: 300 parts of steel slag microballon, 0.12 part of graphene, 15 parts of reinforcing agent, thickener
0.6 part, 1.8 parts of colorant, 4 parts of cementing agent and 4.2 parts of water；The base includes following components by mass parts: iron tailings sand 650
Part, 150 parts of cement, 6 parts of reinforcing agent, 9 parts of accelerator, 0.2 part of water-reducing agent, 0.4 part of modified straw fiber and 5.0 parts of water.
The preparation method of the novel high-strength sand base water-permeable brick, specifically includes the following steps:
(1) addition of iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water is stirred by formula
It mixes and stirs 8min in machine, Zhuan Ji base storage bin is delivered to after the completion of stirring；
(2) blender is added in steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water by formula
Interior stirring 7min is delivered to brick machine side layer storage bin after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into the sealing maintenance of high temperature vapour storehouse and stacks to pile up and put on plastic film for 24 hours, after export and continue to support
Shield.
Embodiment 3:
Novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper table of base
Face；The surface layer includes following components by mass parts: 250 parts of steel slag microballon, 0.15 part of graphene, 10 parts of reinforcing agent, thickener
1.5 parts, 4.5 parts of colorant, 6 parts of cementing agent and 5.5 parts of water；The base includes following components by mass parts: iron tailings sand 750
Part, 150 parts of cement, 6.5 parts of reinforcing agent, 10 parts of accelerator, 0.2 part of water-reducing agent, 0.4 part of modified straw fiber and 6.5 parts of water.
The preparation method of the novel high-strength sand base water-permeable brick, specifically includes the following steps:
(1) addition of iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water is stirred by formula
It mixes and stirs 7min in machine, Zhuan Ji base storage bin is delivered to after the completion of stirring；
(2) blender is added in steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water by formula
Interior stirring 7min is delivered to brick machine side layer storage bin after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into high temperature vapour storehouse sealing maintenance 36h, stacks to pile up and put on plastic film after export and continues to support
Shield.
Embodiment 4:
Novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper table of base
Face；The surface layer includes following components by mass parts: 350 parts of steel slag microballon, 0.15 part of graphene, 18 parts of reinforcing agent, thickener
1.0 parts, 5.5 parts of colorant, 5 parts of cementing agent and 5.5 parts of water；The base includes following components by mass parts: iron tailings sand 850
Part, 150 parts of cement, 7 parts of reinforcing agent, 9.5 parts of accelerator, 0.3 part of water-reducing agent, 0.5 part of modified straw fiber and 7.5 parts of water.
The preparation method of the novel high-strength sand base water-permeable brick, specifically includes the following steps:
(1) addition of iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water is stirred by formula
It mixes and stirs 6min in machine, Zhuan Ji base storage bin is delivered to after the completion of stirring；
(2) blender is added in steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water by formula
Interior stirring 8min is delivered to brick machine side layer storage bin after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into high temperature vapour storehouse sealing maintenance 36h, stacks to pile up and put on plastic film after export and continues to support
Shield.
Performance test
The sand base water-permeable brick of Example 1-4 preparation, measures its coefficient of permeability and compression strength, as a result as shown in table 1 below:
1 sand base water-permeable brick performance of table
| Embodiment | Coefficient of permeability/× 10-2cm/s | Compression strength/Mpa |
| Embodiment 1 | 4.0 | 49.5 |
| Embodiment 2 | 5.0 | 53.5 |
| Embodiment 3 | 6.0 | 57.4 |
| Embodiment 4 | 4.0 | 53.2 |
It follows that made novel high-strength sand base water-permeable brick, coefficient of permeability are equal to greatly 4.0 × 10-2Cm/s, resistance to compression
Intensity is greater than 49Mpa, meets the rule of GB28635-2012 " concrete road pavement brick " and JCT945-2005 " water-permeable brick " professional standard
It is fixed.
Above-described embodiment is interpreted as being merely to illustrate the present invention rather than limit the scope of the invention.It is reading
After the content of the invention recorded, those skilled in the art can make various modifications or changes to the present invention, these equivalent changes
Change and modification equally falls into the scope of the claims in the present invention.
Claims (8)
1. a kind of novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper of base
Surface；
The surface layer includes following components by mass parts: 150~350 parts of steel slag microballon, 0.01~0.15 part of graphene, reinforcing agent
10~18 parts, 0.5~1.5 part of thickener, 1.5~5.5 parts of colorant, 4~6 parts of cementing agent and 3.5~5.5 parts of water；
The base includes following components by mass parts: 550~850 parts of iron tailings sand, 150 parts of cement, 5~7 parts of reinforcing agent, speed
Solidifying 8~10 parts of agent, 0.1~0.3 part of water-reducing agent, 0.3~0.5 part of modified straw fiber and 3.5~7.5 parts of water.
2. a kind of novel high-strength sand base water-permeable brick, it is characterised in that: including surface layer and base, the surface layer is bonded in the upper of base
Surface；The surface layer includes following components by mass parts: 300 parts of steel slag microballon, 0.12 part of graphene, 15 parts of reinforcing agent, thickening
0.6 part of agent, 1.8 parts of colorant, 4 parts of cementing agent and 4.2 parts of water；The base includes following components by mass parts: iron tailings sand
650 parts, 150 parts of cement, 6 parts of reinforcing agent, 9 parts of accelerator, 0.2 part of water-reducing agent, 0.4 part of modified straw fiber and 5.0 parts of water.
3. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the steel slag microballon
It is converter slag after water quenching or wind quenching processe, then through partial size obtained by roller sieve classification is 1~3mm, the iron tailings sand is
Iron ore is through tailing caused by ore dressing, 3~5mm of partial size.
4. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the graphene is
Graphene oxide powder, the number of plies are 1~3 layer, and purity 99%, average thickness is less than 5nm.
5. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the reinforcing agent is
Granulated blast-furnace slag gained fineness after grinding is greater than the powder of 800 mesh, activity index more than or equal to 115%；The rapid hardening
Agent be bauxite, soda ash, quick lime according to 1: 1: 0.5 ratio of mass ratio mix after, under 1400 DEG C of environment calcine after grinding at
350~450 mesh powders；The cement is 42.5 ordinary portland cements；The thickener is ethylene-vinyl acetate lotion,
The cementing agent is magnalium cementing agent；The colorant is iron oxide red, iron oxide black, a kind of in iron oxide yellow；The water is tap water or meets
The industrial circulating water of standard.
6. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the modified straw
Fiber is rice straw or wheat straw waste after mass concentration is 24~48h of 15%NaOH immersion, after originally water washing, then is dried
Dry powder is broken to the fiber dust that partial size is 20~40 mesh.
7. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the water-reducing agent is
The mixture of anthracene series high-efficiency water-reducing agent, polycarboxylic acid high-performance water reducer or both.Water-reducing agent can be adsorbed in cement granules table
Face has the function of diminishing and improves cement mortar and concrete strength.
8. a kind of according to claim 1 or claim 2, novel high-strength sand base water-permeable brick, it is characterised in that: the novel high-strength
The preparation method of sand base water-permeable brick, specifically includes the following steps:
(1) blender is added in iron tailings sand, cement, reinforcing agent, accelerator, water-reducing agent, modified straw fiber and water by formula
6~8min of interior stirring is delivered to Zhuan Ji base storage bin after the completion of stirring；
(2) steel slag microballon, graphene, reinforcing agent, thickener, colorant, cementing agent and water are added in blender by formula and are stirred
6~8min is mixed, brick machine side layer storage bin is delivered to after the completion of stirring；
(3) it is pressed according to the sequence of first base surface layer again；
(4) mould brick is sent into high temperature vapour storehouse sealing maintenance 12h or more, stacks to pile up and put on plastic film after export and continues to support
Shield.
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| CN201810250470.1A CN110272256A (en) | 2018-03-13 | 2018-03-13 | A kind of novel high-strength sand base water-permeable brick |
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| CN111892364A (en) * | 2020-08-06 | 2020-11-06 | 张延年 | Multi-solid-waste non-fired non-steamed double-layer-structure water permeable brick and preparation method thereof |
| CN114873960A (en) * | 2021-12-29 | 2022-08-09 | 天津欧贝姆建材有限公司 | Inorganic sand-based water permeable brick and preparation method thereof |
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Application publication date: 20190924 |