CN114644491A - High-strength concrete material for fabricated building and preparation method thereof - Google Patents
High-strength concrete material for fabricated building and preparation method thereof Download PDFInfo
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- CN114644491A CN114644491A CN202210288479.8A CN202210288479A CN114644491A CN 114644491 A CN114644491 A CN 114644491A CN 202210288479 A CN202210288479 A CN 202210288479A CN 114644491 A CN114644491 A CN 114644491A
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- 239000000463 material Substances 0.000 title claims abstract description 168
- 239000011372 high-strength concrete Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 123
- 239000004567 concrete Substances 0.000 claims abstract description 116
- 235000019362 perlite Nutrition 0.000 claims abstract description 100
- 239000010451 perlite Substances 0.000 claims abstract description 100
- 239000000843 powder Substances 0.000 claims abstract description 60
- 239000004576 sand Substances 0.000 claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 39
- 230000001070 adhesive effect Effects 0.000 claims abstract description 39
- 239000003822 epoxy resin Substances 0.000 claims abstract description 33
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 33
- 239000011398 Portland cement Substances 0.000 claims abstract description 32
- 239000004927 clay Substances 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 141
- 238000002156 mixing Methods 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 239000004566 building material Substances 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000003469 silicate cement Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 7
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
- B28B11/06—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with powdered or granular material, e.g. sanding of shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/14—Minerals of vulcanic origin
- C04B14/18—Perlite
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/46—Rock wool ; Ceramic or silicate fibres
- C04B14/4643—Silicates other than zircon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/022—Agglomerated materials, e.g. artificial aggregates agglomerated by an organic binder
-
- 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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of light building materials, and discloses a high-strength concrete material for an assembly type building and a preparation method thereof, wherein the concrete material comprises the following raw materials in parts by weight: 50-70 parts of fine sand; 75-100 parts of coarse sand; 150 portions of perlite powder and 180 portions of perlite powder; 45-60 parts of epoxy resin; 40-60 parts of clay; 80-100 parts of Portland cement; 60-80 parts of basalt; 20-30 parts of an adhesive; the high-strength concrete material for the prefabricated building and the preparation method thereof are characterized in that perlite particles and lockhole basalt particles which are prepared from perlite powder and epoxy resin are used as a concrete base material, the weight of the concrete base material, matching of surface pits of the perlite and surface holes of the basalt particles with silicate cement and coarse sand can be reduced under the condition that the strength of the concrete base material is ensured, and fiber filaments prepared from basalt are added into the concrete base material, so that the bonding strength between the base materials can be supplemented, and the concrete material is prevented from cracking.
Description
Technical Field
The invention relates to the technical field of light building materials, in particular to a high-strength concrete material for an assembly type building and a preparation method thereof.
Background
The concrete material is a building material used in the construction of building engineering, and in order to improve the construction efficiency of the building engineering and reduce the construction difficulty of the building engineering, some building engineering can adopt fabricated buildings for construction, and the fabricated buildings are fabricated by processing some prefabricated components into finished products in advance and then assembling the finished products on a building construction site.
The existing concrete for the fabricated building mainly uses gravels as a base material, when the existing concrete material is adopted to produce and process the prefabricated part, in order to ensure that the strength of the prefabricated part reaches the standard, the weight of the formed prefabricated part is heavier, the difficulty of processing and transporting the prefabricated part and the labor intensity of field assembly can be increased, and the high-efficiency construction of the fabricated building is not facilitated.
Disclosure of Invention
In order to achieve the purposes of the high-strength concrete material for the fabricated building and the preparation method thereof, the invention is realized by the following technical scheme: the high-strength concrete material for the fabricated building comprises the following raw materials in parts by weight:
50-70 parts of fine sand;
75-100 parts of coarse sand;
150 portions of perlite powder and 180 portions of perlite powder;
45-60 parts of epoxy resin;
40-60 parts of clay;
80-100 parts of Portland cement;
60-80 parts of basalt;
20-30 parts of an adhesive;
50-75 parts of water.
Furthermore, the adhesive is an artificial adhesive, and the raw materials of the adhesive comprise synthetic resin, synthetic rubber and water glass.
Further, the concrete material contains 20-25 parts of curing agent, and the curing agent is a potassium-based concrete sealing curing agent.
Further, the basalt comprises 45-50 parts of porous basalt particles and 30-40 parts of basalt powder.
Further, the particle size of the fine sand is not more than 0.1 mm.
Further, the particle size of the coarse sand is not less than 0.8 mm.
A preparation method of a high-strength concrete material for an assembly type building comprises the following preparation steps:
s1, preparing perlite particles:
s101, taking 180 parts of perlite powder and 45-60 parts of epoxy resin, adding the perlite powder into stirring equipment, heating and stirring by using the stirring equipment at the heating temperature of 65-85 ℃, and adding the epoxy resin into the stirring equipment for multiple times;
s102, after fully stirring the perlite powder and the epoxy resin, cooling to 40-50 ℃, adding the mixture of the perlite powder and the epoxy resin into a particle forming machine for particle forming processing;
s103, after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles;
s104, air cooling the formed perlite particles by using air cooling equipment to obtain perlite particles;
s2, taking 30-40 parts of basalt powder, and preparing fiber filaments by utilizing the basalt powder;
s3, taking 45-50 parts of porous basalt particles, and mixing the porous basalt particles with the perlite particles prepared in the S1;
s4, preparing a concrete base material:
s401, taking 75-100 parts of coarse sand, 25-40 parts of clay, 45-60 parts of portland cement and 35-50 parts of water, placing the coarse sand, the portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times;
s402, taking the perlite particles and the porous basalt particles mixed in the S3, adding the perlite particles and the porous basalt particles into the stirring equipment in the S401 for many times, mixing and stirring, and adding water for many times during stirring;
s403, taking the fiber yarn prepared in the S2, adding the fiber yarn into the S402, and mixing and stirring by using stirring equipment;
s404, taking 10-15 parts of adhesive, adding the adhesive into the stirring equipment in the S403, and mixing and stirring;
s405, taking 20-25 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring;
s406, taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing a concrete base material after the concrete in the prefabricated mould is solidified;
s5, preparing a surface material of the concrete material:
s501, taking 50-70 parts of fine sand, 15-35 parts of clay, 35-60 parts of portland cement and 15-40 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times;
s502, taking 5-20 parts of adhesive, adding the adhesive into the stirring equipment of the S501, mixing and stirring to obtain a surface material of the concrete material;
s6, preparing the fabricated building concrete material:
s601, taking the surface material of the concrete material prepared in the S5, and coating the surface material of the concrete material on the surface of the concrete base material prepared in the S4 by utilizing coating equipment;
s602, leveling the surface of the fabricated building concrete material by using a leveling tool and coating equipment;
and S603, after the surface material of the concrete material on the surface of the concrete base material is solidified, the fabricated building concrete material is prepared.
Further, the particle size of the perlite particles is not less than 10mm, and the particle size of the porous basalt particles is not less than 15 mm.
Further, the preparation method of the fiber yarn comprises the following steps:
s201, taking 30-40 parts of basalt powder, and putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1250-;
s202, carrying out wire drawing processing on the basalt material in a molten state by using wire drawing equipment, wherein the wire drawing forming temperature is 1100-1200 ℃, and preparing the fiber after cooling and forming the basalt material to be subjected to wire drawing forming.
Further, the length of the fiber filament is 45-85 mm.
Compared with the prior art, the invention has the following beneficial effects:
according to the high-strength concrete material for the fabricated building and the preparation method thereof, perlite particles and lockhole basalt particles which are prepared from perlite powder and epoxy resin are used as concrete base materials, the weight of the concrete base materials can be reduced under the condition that the strength of the concrete base materials is guaranteed, surface pits of the perlite and surface holes of the basalt particles are matched with portland cement and coarse sand, the bonding strength between the concrete base materials can be increased, meanwhile, fiber yarns prepared from basalt are added into the concrete base materials, the bonding strength between the base materials can be further supplemented, the concrete material is prevented from cracking, and therefore the strength of the concrete material is improved while the weight of the concrete material is reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the high-strength concrete material for the fabricated building and the preparation method thereof is as follows:
the high-strength concrete material for the fabricated building comprises the following raw materials in parts by weight:
50-70 parts of fine sand, wherein the particle size of the fine sand is not more than 0.1 mm;
75-100 parts of coarse sand, wherein the particle size of the coarse sand is not less than 0.8 mm;
150 portions of perlite powder and 180 portions of perlite powder;
45-60 parts of epoxy resin;
40-60 parts of clay;
80-100 parts of Portland cement;
60-80 parts of basalt, wherein the basalt comprises 45-50 parts of porous basalt particles and 30-40 parts of basalt powder, and the particle size of the porous basalt particles is not less than 15 mm;
20-30 parts of an adhesive, wherein the adhesive is an artificial adhesive, and the raw materials of the adhesive comprise synthetic resin, synthetic rubber and water glass;
50-75 parts of water.
The concrete material contains 20-25 parts of curing agent, and the curing agent is potassium-based concrete sealing curing agent.
A preparation method of a high-strength concrete material for an assembly type building comprises the following preparation steps:
s1, preparing perlite particles:
s101, taking 180 parts of perlite powder and 45-60 parts of epoxy resin, adding the perlite powder into stirring equipment, heating and stirring by using the stirring equipment at the heating temperature of 65-85 ℃, and adding the epoxy resin into the stirring equipment for multiple times;
s102, after fully stirring the perlite powder and the epoxy resin, cooling to 40-50 ℃, adding the mixture of the perlite powder and the epoxy resin into a particle forming machine for particle forming processing;
s103, after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles;
s104, performing air cooling on the formed perlite particles by using air cooling equipment to obtain the perlite particles, wherein the particle size of the perlite particles is not less than 10 mm;
s2, taking 30-40 parts of basalt powder, preparing the fiber filament by utilizing the basalt powder:
s201, taking 30-40 parts of basalt powder, and putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1250-;
s202, carrying out wire drawing processing on the basalt material in a molten state by using wire drawing equipment, wherein the wire drawing forming temperature is 1100-1200 ℃, and the basalt material to be subjected to wire drawing forming is cooled and formed to prepare a fiber filament, wherein the length of the fiber filament is 45-85 mm;
s3, taking 45-50 parts of porous basalt particles, and mixing the porous basalt particles with the perlite particles prepared in the S1;
s4, preparing a concrete base material:
s401, taking 75-100 parts of coarse sand, 25-40 parts of clay, 45-60 parts of portland cement and 35-50 parts of water, placing the coarse sand, the portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times;
s402, taking the perlite particles and the porous basalt particles mixed in the S3, adding the perlite particles and the porous basalt particles into the stirring equipment in the S401 for many times, mixing and stirring, and adding water for many times during stirring;
s403, taking the fiber yarn prepared in the S2, adding the fiber yarn into the S402, and mixing and stirring by using stirring equipment;
s404, taking 10-15 parts of adhesive, adding the adhesive into the stirring equipment in the S403, and mixing and stirring;
s405, taking 20-25 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring;
s406, taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing a concrete base material after the concrete in the prefabricated mould is solidified;
s5, preparing a surface material of the concrete material:
s501, taking 50-70 parts of fine sand, 15-35 parts of clay, 35-60 parts of portland cement and 15-40 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times;
s502, taking 5-20 parts of adhesive, adding the adhesive into the stirring equipment of S501, and mixing and stirring to obtain a surface material of the concrete material;
s6, preparing the fabricated building concrete material:
s601, taking the surface material of the concrete material prepared in the S5, and coating the surface material of the concrete material on the surface of the concrete base material prepared in the S4 by utilizing coating equipment;
s602, leveling the surface of the fabricated building concrete material by using a leveling tool and coating equipment;
and S603, after the surface material of the concrete material on the surface of the concrete base material is solidified, the fabricated building concrete material is prepared.
The first embodiment is as follows:
taking 50 parts of fine sand; 75 parts of coarse sand; 150 parts of perlite powder; 45 parts of epoxy resin; 40 parts of clay; 80 parts of Portland cement; 45 parts of 12-18mm porous basalt particles and 30 parts of basalt powder; 20 parts of an adhesive; 50 parts of water and 20 parts of curing agent.
Preparing perlite particles:
taking 150 parts of perlite powder and 45 parts of epoxy resin, adding the perlite powder into stirring equipment, heating and stirring by using the stirring equipment at the heating temperature of 65 ℃, and adding the epoxy resin into the stirring equipment for multiple times; fully stirring the perlite powder and the epoxy resin, cooling to 40 ℃, adding the mixture of the perlite powder and the epoxy resin into a particle forming machine, and forming particles; after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles; and (3) carrying out air cooling on the formed perlite particles by using air cooling equipment to obtain the perlite particles, wherein the particle size of the perlite particles is not less than 10-15 mm.
Taking 30 parts of basalt powder, putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1250 ℃, drawing the molten basalt material by drawing equipment, the drawing forming temperature is 1100 ℃, and preparing a fiber filament after cooling and forming the drawn basalt material, wherein the length of the fiber filament is 45 mm.
Taking 45 parts of porous basalt particles, and mixing the porous basalt particles with perlite particles together.
Preparing a concrete base material:
taking 75 parts of coarse sand, 25 parts of clay, 45 parts of portland cement and 35 parts of water, placing the coarse sand, the portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times; taking perlite particles and porous basalt particles, adding the perlite particles and the porous basalt particles into stirring equipment for mixing and stirring for multiple times, and adding water for multiple times during stirring.
Taking fiber filaments, adding the fiber filaments into stirring equipment, and mixing and stirring by using the stirring equipment; taking 10 parts of adhesive, adding the adhesive into stirring equipment, and mixing and stirring; taking 20 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring; and (3) taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing the concrete base material after the concrete in the prefabricated mould is solidified.
Preparing a surface material of the concrete material:
taking 50 parts of fine sand, 15 parts of clay, 35 parts of portland cement and 15 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times; 5 parts of adhesive is taken, and the adhesive is added into stirring equipment for mixing and stirring to prepare the surface material of the concrete material.
Preparing the fabricated building concrete material:
taking a surface material of a concrete material, and coating the surface material of the concrete material on the surface of a concrete base material by utilizing coating equipment; leveling the surface of the fabricated building concrete material by using a leveling tool and coating equipment; and (3) after the surface material of the concrete material on the surface of the concrete base material is solidified, preparing the fabricated building concrete material I.
Example two:
taking 70 parts of fine sand; 100 parts of coarse sand; 180 parts of perlite powder; 60 parts of epoxy resin; 60 parts of clay; 100 parts of Portland cement; 50 parts of 12-18mm hole basalt particles and 40 parts of basalt powder; 30 parts of an adhesive; 75 parts of water and 25 parts of curing agent.
Preparing perlite particles:
taking 180 parts of perlite powder and 60 parts of epoxy resin, adding the perlite powder into stirring equipment, heating and stirring by using the stirring equipment at 85 ℃, and adding the epoxy resin into the stirring equipment for multiple times; fully stirring the perlite powder and the epoxy resin, cooling to 50 ℃, adding the mixture of the perlite powder and the epoxy resin into a particle forming machine, and forming particles; after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles; and (3) carrying out air cooling on the formed perlite particles by using air cooling equipment to prepare the perlite particles, wherein the particle size of the perlite particles is 10-15 mm.
Taking 40 parts of basalt powder, putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1350 ℃, drawing the basalt material in a molten state by using drawing equipment, the drawing forming temperature is 1200 ℃, and after the basalt material subjected to drawing forming is cooled and formed, a fiber filament is prepared, wherein the length of the fiber filament is 85 mm.
Taking 50 parts of porous basalt particles, and mixing the porous basalt particles with perlite particles together.
Preparing a concrete base material:
taking 100 parts of coarse sand, 40 parts of clay, 60 parts of portland cement and 50 parts of water, placing the coarse sand, the portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times; taking perlite particles and porous basalt particles, adding the perlite particles and the porous basalt particles into stirring equipment for many times, mixing and stirring, and adding water for many times during stirring.
Taking fiber filaments, adding the fiber filaments into stirring equipment, and mixing and stirring by using the stirring equipment; taking 15 parts of adhesive, adding the adhesive into stirring equipment, and mixing and stirring; taking 25 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring; and (3) taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing the concrete base material after the concrete in the prefabricated mould is solidified.
Preparing a surface material of the concrete material:
taking 70 parts of fine sand, 35 parts of clay, 60 parts of portland cement and 40 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times; and taking 20 parts of adhesive, adding the adhesive into stirring equipment, mixing and stirring to prepare the surface material of the concrete material.
Preparing the fabricated building concrete material:
taking a surface material of a concrete material, and coating the surface material of the concrete material on the surface of a concrete base material by utilizing coating equipment; the surface of the fabricated building concrete material is flattened by using a coating device by means of a leveling tool; and (5) after the surface material of the concrete material on the surface of the concrete base material is solidified, preparing the fabricated building concrete material II.
Example three:
taking 60 parts of fine sand; 85 parts of coarse sand; 165 parts of perlite powder; 55 parts of epoxy resin; 50 parts of clay; 90 parts of Portland cement; 48 parts of 12-18mm porous basalt particles and 35 parts of basalt powder; 25 parts of a binder; 65 parts of water and 22 parts of curing agent.
Preparing perlite particles:
adding 165 parts of perlite powder and 55 parts of epoxy resin into stirring equipment, heating and stirring by using the stirring equipment at 75 ℃, and adding the epoxy resin into the stirring equipment for multiple times; fully stirring the perlite powder and the epoxy resin, cooling to 55 ℃, adding the mixture of the perlite powder and the epoxy resin into a particle forming machine, and forming particles; after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles; and (3) carrying out air cooling on the formed perlite particles by using air cooling equipment to obtain the perlite particles, wherein the particle size of the perlite particles is not less than 10-15 mm.
Taking 35 parts of basalt powder, putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1300 ℃, drawing the basalt material in a molten state by using drawing equipment, the drawing forming temperature is 1250 ℃, and preparing a fiber filament after cooling and forming the basalt material to be drawn and formed, wherein the length of the fiber filament is 65 mm.
And (3) mixing 48 parts of porous basalt particles and perlite particles together.
Preparing a concrete base material:
taking 85 parts of coarse sand, 32 parts of clay, 50 parts of Portland cement and 40 parts of water, placing the coarse sand, the Portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times; taking perlite particles and porous basalt particles, adding the perlite particles and the porous basalt particles into stirring equipment for mixing and stirring for multiple times, and adding water for multiple times during stirring.
Taking fiber filaments, adding the fiber filaments into stirring equipment, and mixing and stirring by using the stirring equipment; taking 12 parts of adhesive, adding the adhesive into stirring equipment, and mixing and stirring; taking 22 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring; and (3) taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing the concrete base material after the concrete in the prefabricated mould is solidified.
Preparing a surface material of the concrete material:
taking 60 parts of fine sand, 28 parts of clay, 40 parts of portland cement and 25 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times; and taking 13 parts of adhesive, adding the adhesive into stirring equipment, mixing and stirring to prepare the surface material of the concrete material.
Preparing the fabricated building concrete material:
taking a surface material of a concrete material, and coating the surface material of the concrete material on the surface of a concrete base material by utilizing coating equipment; leveling the surface of the fabricated building concrete material by using a leveling tool and coating equipment; and (3) after the surface material of the concrete material on the surface of the concrete base material is solidified, preparing the fabricated building concrete material III.
Strength test of fabricated construction concrete material prepared in examples and conventional fabricated construction concrete material:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a high strength concrete material for prefabricated building which characterized in that: the concrete material comprises the following raw materials in parts by weight:
50-70 parts of fine sand;
75-100 parts of coarse sand;
150 portions of perlite powder and 180 portions of perlite powder;
45-60 parts of epoxy resin;
40-60 parts of clay;
80-100 parts of Portland cement;
60-80 parts of basalt;
20-30 parts of an adhesive;
50-75 parts of water.
2. The high-strength concrete material for prefabricated buildings according to claim 1, wherein: the adhesive is an artificial adhesive, and the raw materials of the adhesive comprise synthetic resin, synthetic rubber and water glass.
3. The high-strength concrete material for prefabricated buildings according to claim 1, wherein: the concrete material contains 20-25 parts of curing agent, and the curing agent is potassium-based concrete sealing curing agent.
4. The high-strength concrete material for prefabricated buildings according to claim 3, wherein: the basalt comprises 45-50 parts of porous basalt particles and 30-40 parts of basalt powder.
5. The high-strength concrete material for prefabricated buildings according to claim 1, wherein: the grain size of the fine sand is not more than 0.1 mm.
6. The high-strength concrete material for prefabricated buildings according to claim 5, wherein: the grain size of the coarse sand is not less than 0.8 mm.
7. A method for preparing a high-strength concrete material for prefabricated buildings, which is applied to the high-strength concrete material for prefabricated buildings as claimed in any one of claims 1 to 6, and is characterized in that: the preparation method comprises the following preparation steps:
s1, preparing perlite particles:
s101, taking 180 parts of perlite powder and 45-60 parts of epoxy resin, adding the perlite powder into stirring equipment, heating and stirring by using the stirring equipment at the heating temperature of 65-85 ℃, and adding the epoxy resin into the stirring equipment for multiple times;
s102, after fully stirring the perlite powder and the epoxy resin, cooling to 40-50 ℃, and adding the mixture of the perlite powder and the epoxy resin into a particle forming machine for particle forming processing;
s103, after the perlite particles are molded and processed, rubbing and rolling the perlite particles by using rubbing and rolling equipment to form pits with different sizes on the surfaces of the perlite particles;
s104, air cooling the formed perlite particles by using air cooling equipment to obtain perlite particles;
s2, taking 30-40 parts of basalt powder, and preparing fiber filaments by utilizing the basalt powder;
s3, taking 45-50 parts of porous basalt particles, and mixing the porous basalt particles with the perlite particles prepared in the S1;
s4, preparing a concrete base material:
s401, taking 75-100 parts of coarse sand, 25-40 parts of clay, 45-60 parts of portland cement and 35-50 parts of water, placing the coarse sand, the portland cement and the clay in another stirring device, adding the water into the stirring device, stirring and mixing by using the stirring device, and adding the water for multiple times;
s402, taking the perlite particles and the porous basalt particles mixed in the S3, adding the perlite particles and the porous basalt particles into the stirring equipment in the S401 for many times, mixing and stirring, and adding water for many times during stirring;
s403, taking the fiber yarn prepared in the S2, adding the fiber yarn into the S402, and mixing and stirring by using stirring equipment;
s404, taking 10-15 parts of adhesive, adding the adhesive into the stirring equipment in the S403, and mixing and stirring;
s405, taking 20-25 parts of curing agent, adding the curing agent into stirring equipment, and mixing and stirring;
s406, taking a prefabricated mould for concrete forming, filling the concrete material in the stirring equipment into the prefabricated mould for prefabricated forming processing, and preparing a concrete base material after the concrete in the prefabricated mould is solidified;
s5, preparing a surface material of the concrete material:
s501, taking 50-70 parts of fine sand, 15-35 parts of clay, 35-60 parts of portland cement and 15-40 parts of water, adding the fine sand, the clay, the portland cement and the water into stirring equipment, mixing and stirring, and adding the water for multiple times;
s502, taking 5-20 parts of adhesive, adding the adhesive into the stirring equipment of S501, and mixing and stirring to obtain a surface material of the concrete material;
s6, preparing the fabricated building concrete material:
s601, taking the surface material of the concrete material prepared in the S5, and coating the surface material of the concrete material on the surface of the concrete base material prepared in the S4 by utilizing coating equipment;
s602, leveling the surface of the fabricated building concrete material by using a leveling tool and coating equipment;
and S603, after the surface material of the concrete material on the surface of the concrete base material is solidified, the fabricated building concrete material is prepared.
8. The method for preparing a high-strength concrete material for prefabricated buildings according to claim 7, wherein the method comprises the following steps: the particle size of the perlite particles is not less than 10mm, and the particle size of the porous basalt particles is not less than 15 mm.
9. The method for preparing a high-strength concrete material for prefabricated buildings according to claim 7, wherein the method comprises the following steps: the preparation method of the fiber yarn comprises the following steps:
s201, taking 30-40 parts of basalt powder, and putting the basalt powder into a melting furnace for high-temperature melting processing, wherein the melting temperature is 1250-;
s202, carrying out wire drawing processing on the basalt material in a molten state by using wire drawing equipment, wherein the wire drawing forming temperature is 1100-1200 ℃, and preparing the fiber after cooling and forming the basalt material to be subjected to wire drawing forming.
10. The method for preparing a high-strength concrete material for prefabricated buildings according to claim 9, wherein the method comprises the following steps: the length of the fiber yarn is 45-85 mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925348A (en) * | 2022-12-30 | 2023-04-07 | 江西龙正科技发展有限公司 | Preparation method and application of ultra-high-performance UHPC thin type underground tunnel flue plate |
| CN116551812A (en) * | 2023-07-07 | 2023-08-08 | 江苏鑫徽铝新材料科技有限公司 | Preparation method and preparation equipment of light flame-retardant building material |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
| CN103467006A (en) * | 2013-08-05 | 2013-12-25 | 安徽中龙建材科技有限公司 | Aerated concrete block with high thermal insulation property |
| CN103723964A (en) * | 2013-12-13 | 2014-04-16 | 青岛无为保温材料有限公司 | Novel wall body heat insulation material |
| US20160289121A1 (en) * | 2015-04-06 | 2016-10-06 | John Andrew Coleman | High strength concrete composition and method |
| CN108275947A (en) * | 2018-02-11 | 2018-07-13 | 三筑工科技有限公司 | A kind of Reactive Powder Concrete, assembled combined wall board and preparation method thereof |
| CN112279568A (en) * | 2020-10-29 | 2021-01-29 | 熊小海 | Concrete preparation process |
| CN112299775A (en) * | 2019-07-30 | 2021-02-02 | 青岛城矿建筑废弃物资源化利用有限公司 | Interlocking block and preparation process thereof |
| CN114105550A (en) * | 2020-08-28 | 2022-03-01 | 首钢水城钢铁（集团）有限责任公司 | Basalt fiber reinforced polystyrene foam light composite wallboard and preparation method thereof |
| CN114213148A (en) * | 2021-12-30 | 2022-03-22 | 安徽省路桥工程集团有限责任公司 | Method for manufacturing concrete by using porous basalt as aggregate |
-
2022
- 2022-03-23 CN CN202210288479.8A patent/CN114644491A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
| CN103467006A (en) * | 2013-08-05 | 2013-12-25 | 安徽中龙建材科技有限公司 | Aerated concrete block with high thermal insulation property |
| CN103723964A (en) * | 2013-12-13 | 2014-04-16 | 青岛无为保温材料有限公司 | Novel wall body heat insulation material |
| US20160289121A1 (en) * | 2015-04-06 | 2016-10-06 | John Andrew Coleman | High strength concrete composition and method |
| CN108275947A (en) * | 2018-02-11 | 2018-07-13 | 三筑工科技有限公司 | A kind of Reactive Powder Concrete, assembled combined wall board and preparation method thereof |
| CN112299775A (en) * | 2019-07-30 | 2021-02-02 | 青岛城矿建筑废弃物资源化利用有限公司 | Interlocking block and preparation process thereof |
| CN114105550A (en) * | 2020-08-28 | 2022-03-01 | 首钢水城钢铁（集团）有限责任公司 | Basalt fiber reinforced polystyrene foam light composite wallboard and preparation method thereof |
| CN112279568A (en) * | 2020-10-29 | 2021-01-29 | 熊小海 | Concrete preparation process |
| CN114213148A (en) * | 2021-12-30 | 2022-03-22 | 安徽省路桥工程集团有限责任公司 | Method for manufacturing concrete by using porous basalt as aggregate |
Non-Patent Citations (1)
| Title |
|---|
| 李瑞: "《粉煤灰陶粒轻骨料混凝土应用技术》", 30 June 2017, 宁夏人民出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115925348A (en) * | 2022-12-30 | 2023-04-07 | 江西龙正科技发展有限公司 | Preparation method and application of ultra-high-performance UHPC thin type underground tunnel flue plate |
| CN115925348B (en) * | 2022-12-30 | 2024-02-13 | 江西龙正科技发展有限公司 | Preparation method and application of ultra-high performance UHPC thin type underground tunnel flue plate |
| CN116551812A (en) * | 2023-07-07 | 2023-08-08 | 江苏鑫徽铝新材料科技有限公司 | Preparation method and preparation equipment of light flame-retardant building material |
| CN116551812B (en) * | 2023-07-07 | 2023-09-15 | 江苏鑫徽铝新材料科技有限公司 | Preparation method and preparation equipment of light flame-retardant building material |
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