CN106746994A - A kind of superhigh intensity building concrete and preparation method thereof - Google Patents
A kind of superhigh intensity building concrete and preparation method thereof Download PDFInfo
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- CN106746994A CN106746994A CN201611174490.2A CN201611174490A CN106746994A CN 106746994 A CN106746994 A CN 106746994A CN 201611174490 A CN201611174490 A CN 201611174490A CN 106746994 A CN106746994 A CN 106746994A
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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
- C04B28/001—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 unburned clay
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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
- 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
- C04B2111/00293—Materials impermeable to liquids
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The invention discloses a kind of superhigh intensity building concrete and preparation method thereof, including it is prepared from by the raw material of following weight portion：Modified 85 100 parts of potter's clay of cladding, 20 30 parts of sand material, 10 25 parts of building stones, 15 35 parts of discarded object calcining material, 10 15 parts of superfined flyash, 18 25 parts of hollow glass micropearl, 10 20 parts of phenolic resin, 20 25 parts of zeolite powder, 10 15 parts of SiO2 aeroges, 10 20 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 5 10 parts of composite expanding agent, 8 15 parts of stabilizer and appropriate amount of water.The present invention is effectively matched using modified cladding potter's clay, sand material, building stones, discarded object calcining material, superfined flyash, hollow glass micropearl, phenolic resin, zeolite powder, SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid, composite expanding agent, stabilizer, surface, the internal fissure caused by the unstructuredness reason such as concrete temperature, drying shrinkage can effectively be prevented, the concrete also has shock resistance and anti-permeability performance higher, suitable for mine operation, have a safety feature, good waterproof performance, long service life.
Description
Technical field
The present invention relates to concrete for making technical field, and in particular to a kind of superhigh intensity building concrete and its preparation side
Method.
Background technology
In recent years, high strengthening turns into one of trend of modern concrete technology development.The research of high-strength concrete, exploitation work
Larger progress is achieved, the intensity of high-strength concrete is gradually stepped up, performance constantly improve, and is obtained in many fields
Extensive use.But the complication, high-rise building with building structure are increasing, and high-strength concrete cannot meet construction need
Will, super high strength concrete will turn into the main trend of concrete development.Countries in the world start to carry out super high strength concrete
Theoretical research and engineer applied.
Super high strength concrete is a kind of good structural material, and it possesses high intensity and excellent endurance quality, can
Space is used effectively to lower dead load, increase building, and compared to other materials, with relatively low cost, with
The development of China's high-rise building, for super high strength concrete demand also in growth progressively.With modern architecture towards height
Stratification, large span, lightweight, ruthless area development（Cold district, varieties in saline-alkali areas）Requirement to concrete strength is also got over
Come higher, therefore carry out development high-strength high-performance concrete to have important practical significance.
To improve the deficiency of the poor thermal insulation property of normal concrete, building inside/outside closed structure needs to set up heat-insulation layer.Tradition
Insulation material is organic insulation material, and environmental pollution is serious when it makes, and inflammable, easy aging, poor durability, and various regions are protected
Repeatedly there is fire incident in warm architectural engineering, organic insulation material will soon melt in fire, and smog is big, toxicity is big, very
Difficulty is puted out a fire to save life and property, and harm is serious.The fire safety problem of wall heat insulation material is not solved, and the Energy Conservation Project in Construction of China will be with great
Disaster hidden-trouble, this causes the certainty that inorganic heat insulation material replaces organic insulation material as historical development and scientific and technological progress.2009
The Nian9Yue20 Ministry of Public Security and the firmly portion's of building joint promulgate public affairs [2009] No. 46 texts of logical word《Civil buildings outer heat preservation system and exterior wall are filled
Decorations fire prevention temporary provisions》, specific requirement is proposed to civil buildings wall insulation material combustibility rank and fireproof construction.Root
According to regulation, the overall exterior wall of civil buildings must use A-grade non-ignitable heat insulating material, and market is in the urgent need to not only energy-conservation but also with resistance
Fire building space enclosing structure material, product and its system of contour performance.
, used as new inorganic fireproofing insulation material, generally existing density is big, and low intensity and heat insulating ability are too late for foam concrete
The defects such as organic material, but comprehensively compare, and it is still the optimal replacement of organic combustible material.At present, foam concrete
Do not have to be widely popularized in the application of every field and use, mainly due to dry density and compression strength problem.Because foam
Coagulation filling's dry density and compression strength index are mutually contradictory, are unity of contradictions bodies.And domestic main research is weight
Point is solved under the precondition for reducing foam concrete dry density, how to improve its compression strength, and balance foam coagulation
Other performances of soil.
The content of the invention
To solve the above problems, the invention provides a kind of superhigh intensity building concrete and preparation method thereof.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of superhigh intensity building concrete and preparation method thereof, including be prepared from by the raw material of following weight portion：Modified bag
Cover potter's clay 85-100 parts, 20-30 parts of sand material, building stones 10-25 parts, discarded object calcining material 15-35 parts, superfined flyash 10-15 parts,
Hollow glass micropearl 18-25 parts, phenolic resin 10-20 parts, zeolite powder 20-25 parts, 10-15 parts of SiO2 aeroges, polycarboxylic acids it is high
Effect 10-20 parts, composite expanding agent 5-10 parts, stabilizer 8-15 parts of water reducer and appropriate amount of water.
Further, a kind of superhigh intensity building concrete, including be prepared from by the raw material of following weight portion：Modified bag
Cover potter's clay 86-99 parts, 21-29 parts of sand material, building stones 11-24 parts, discarded object calcining material 16-34 parts, superfined flyash 11-14 parts,
Hollow glass micropearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, 11-14 parts of SiO2 aeroges, polycarboxylic acids it is high
Effect 12-18 parts, composite expanding agent 6-9 parts, stabilizer 9-14 parts of water reducer and appropriate amount of water.
Further, the sand material is ore in sand form, pottery sand, the mixture of superfine quartz sand.
Further, the building stones are ore, perlite, basalt, the mixture of gangue.
Further, a kind of preparation method of superhigh intensity building concrete, comprises the following steps：
S1, by it is modified cladding 86-99 part of potter's clay, 21-29 part of sand material, building stones 11-24 parts, discarded object calcine expect 16-34 parts, it is ultra-fine
Flyash 11-14 parts through high temperature flour mill, grinding obtains powder, crosses 200-220 mesh sieves, then puts into and add water in mixer stirring
Mixing；Obtain mixture A；
S2, by hollow glass micropearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, 11-14 parts of SiO2 aeroges
It is stirring while adding in adding another mixer；Stirred with the speed of 500-900r/min, add stabilizer 9-14 parts and continue to stir
30-50min is mixed, mixture B is obtained；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add high-efficiency water-reducing agent of poly-carboxylic acid 12-18
Part, composite expanding agent 6-9 parts be thoroughly mixed；Concrete is obtained.
Further, a kind of superhigh intensity building concrete, including be prepared from by the raw material of following weight portion：Modified bag
Cover 88 parts of potter's clay, 28 parts of sand material, 18 parts of building stones, 18 parts of discarded object calcining material, 13 parts of superfined flyash, hollow glass micropearl 19
Part, 15 parts of phenolic resin, 23 parts of zeolite powder, 13 parts of SiO2 aeroges, 13 parts of high-efficiency water-reducing agent of poly-carboxylic acid, 7 parts of composite expanding agent,
11 parts of stabilizer and appropriate amount of water.
The present invention is micro- using modified cladding potter's clay, sand material, building stones, discarded object calcining material, superfined flyash, hollow glass
Pearl, phenolic resin, zeolite powder, SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid, composite expanding agent, stabilizer are effectively matched, can
Effectively prevent surface, the internal fissure caused by the unstructuredness reason such as concrete temperature, drying shrinkage, the concrete also have compared with
Shock resistance high and anti-permeability performance, it is adaptable to mine operation, have a safety feature, good waterproof performance, long service life；Price is low
Honest and clean, simple production process, is adapted to large-scale production；By proportion optimizing and the rational stabilizer of addition, overcome it is traditional again
Raw aggregate slump is difficult to control to, the defect of low intensity；Resistance to compression, anti-folding, the tensile strength of concrete are increased, is increased
Corrosion resistance, rustless property, waterproof, seepage control performance.
The structure of concrete one-piece casting of the present invention is than commonly using the insulation construction for gluing, hanging, the mode construction such as smear
It is more safe and reliable on the whole, can be prevented effectively from other insulation energy-saving systems easily occur overcoat cracking and finish coat take off
Situation about falling, while can also prevent that heat-insulation system from being wiped off by strong wind and rainwater is oozed to exterior wall inner surface.
Zeolite powder has activity higher and is loose structure, under selected moderate dosage of the invention, with higher
Activity improves the later strength of concrete；Meanwhile, zeolite powder serves the effect of storage reservoir in concrete, is conducive to carrying
High concrete internal relative humidity, reduces the self-constriction of super high strength concrete.
Specific embodiment
In order that objects and advantages of the present invention become more apparent, the present invention is carried out with reference to embodiments further in detail
Explanation.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention includes being prepared from by the raw material of following weight portion：Modified 85-100 parts of potter's clay of cladding, sand material 20-30
Part, building stones 10-25 parts, discarded object calcining material 15-35 parts, superfined flyash 10-15 parts, hollow glass micropearl 18-25 parts, phenolic aldehyde
Resin 10-20 parts, zeolite powder 20-25 parts, 10-15 parts of SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid 10-20 parts, it is composite expanded
Agent 5-10 parts, stabilizer 8-15 parts and appropriate amount of water.
A kind of superhigh intensity building concrete, including be prepared from by the raw material of following weight portion：Modified cladding potter's clay 86-
99 parts, 21-29 parts of sand material, building stones 11-24 parts, discarded object calcining material 16-34 parts, superfined flyash 11-14 parts, hollow glass it is micro-
Pearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, 11-14 parts of SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid 12-
18 parts, composite expanding agent 6-9 parts, stabilizer 9-14 parts and appropriate amount of water.
The sand material is ore in sand form, pottery sand, the mixture of superfine quartz sand.
The building stones are ore, perlite, basalt, the mixture of gangue.
A kind of preparation method of superhigh intensity building concrete, comprises the following steps：
S1, by it is modified cladding 86-99 part of potter's clay, 21-29 part of sand material, building stones 11-24 parts, discarded object calcine expect 16-34 parts, it is ultra-fine
Flyash 11-14 parts through high temperature flour mill, grinding obtains powder, crosses 200-220 mesh sieves, then puts into and add water in mixer stirring
Mixing；Obtain mixture A；
S2, by hollow glass micropearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, 11-14 parts of SiO2 aeroges
It is stirring while adding in adding another mixer；Stirred with the speed of 500-900r/min, add stabilizer 9-14 parts and continue to stir
30-50min is mixed, mixture B is obtained；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add high-efficiency water-reducing agent of poly-carboxylic acid 12-18
Part, composite expanding agent 6-9 parts be thoroughly mixed；Concrete is obtained.
Embodiment 1：
A kind of preparation method of superhigh intensity building concrete, comprises the following steps：
S1, by modified 88 parts of potter's clay of cladding, 28 parts of sand material, 18 parts of building stones, 18 parts of discarded object calcining material, 13 parts of superfined flyash warp
High temperature flour mill, grinding obtains powder, crosses 200-220 mesh sieves, and then add water stirring mixing in input mixer；Obtain mixture
A；
S2,19 parts of hollow glass micropearl, 15 parts of phenolic resin, 23 parts of zeolite powder, 13 parts of SiO2 aeroges are added into another stirrings
It is stirring while adding in machine；Stirred with the speed of 550r/min, add 14 parts of stabilizer and continue to stir 35min, obtain mixture
B；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add 13 parts of high-efficiency water-reducing agent of poly-carboxylic acid, multiple
7 parts of swelling agent is closed to be thoroughly mixed；Concrete is obtained.
Embodiment 2：
A kind of preparation method of superhigh intensity building concrete, comprises the following steps：
S1, by modified 99 parts of potter's clay of cladding, 29 parts of sand material, 24 parts of building stones, 34 parts of discarded object calcining material, 14 parts of superfined flyash warp
High temperature flour mill, grinding obtains powder, crosses 220 mesh sieves, and then add water stirring mixing in input mixer；Obtain mixture A；
S2,24 parts of hollow glass micropearl, 18 parts of phenolic resin, 24 parts of zeolite powder, 14 parts of SiO2 aeroges are added into another stirrings
It is stirring while adding in machine；Stirred with the speed of 900r/min, add 14 parts of stabilizer and continue to stir 50min, obtain mixture
B；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add 18 parts of high-efficiency water-reducing agent of poly-carboxylic acid, multiple
9 parts of swelling agent is closed to be thoroughly mixed；Concrete is obtained.
Embodiment 3：
A kind of preparation method of superhigh intensity building concrete, comprises the following steps：
S1, by modified 86 parts of potter's clay of cladding, 21 parts of sand material, 11 parts of building stones, 16 parts of discarded object calcining material, 11 parts of superfined flyash warp
High temperature flour mill, grinding obtains powder, crosses 200 mesh sieves, and then add water stirring mixing in input mixer；Obtain mixture A；
S2,19 parts of hollow glass micropearl, 11 parts of phenolic resin, 21 parts of zeolite powder, 11 parts of SiO2 aeroges are added into another stirrings
It is stirring while adding in machine；Stirred with the speed of 500r/min, add 9 parts of stabilizer and continue to stir 30min, obtain mixture
B；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add 12 parts of high-efficiency water-reducing agent of poly-carboxylic acid, multiple
9 parts of swelling agent is closed to be thoroughly mixed；Concrete is obtained.
The present invention is micro- using modified cladding potter's clay, sand material, building stones, discarded object calcining material, superfined flyash, hollow glass
Pearl, phenolic resin, zeolite powder, SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid, composite expanding agent, stabilizer are effectively matched, can
Effectively prevent surface, the internal fissure caused by the unstructuredness reason such as concrete temperature, drying shrinkage, the concrete also have compared with
Shock resistance high and anti-permeability performance, it is adaptable to mine operation, have a safety feature, good waterproof performance, long service life；Price is low
Honest and clean, simple production process, is adapted to large-scale production；By proportion optimizing and the rational stabilizer of addition, overcome it is traditional again
Raw aggregate slump is difficult to control to, the defect of low intensity；Resistance to compression, anti-folding, the tensile strength of concrete are increased, is increased
Corrosion resistance, rustless property, waterproof, seepage control performance.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of superhigh intensity building concrete, it is characterised in that including being prepared from by the raw material of following weight portion：Modified bag
Cover potter's clay 85-100 parts, 20-30 parts of sand material, building stones 10-25 parts, discarded object calcining material 15-35 parts, superfined flyash 10-15 parts,
Hollow glass micropearl 18-25 parts, phenolic resin 10-20 parts, zeolite powder 20-25 parts, 10-15 parts of SiO2 aeroges, polycarboxylic acids it is high
Effect 10-20 parts, composite expanding agent 5-10 parts, stabilizer 8-15 parts of water reducer and appropriate amount of water.
2. a kind of superhigh intensity building concrete according to claim 1, it is characterised in that including by following weight portion
Raw material is prepared from：Modified 86-99 part of potter's clay of cladding, 21-29 part of sand material, building stones 11-24 parts, discarded object calcine expect 16-34 parts,
Superfined flyash 11-14 parts, hollow glass micropearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, SiO2 airsettings
Glue 11-14 parts, high-efficiency water-reducing agent of poly-carboxylic acid 12-18 parts, composite expanding agent 6-9 parts, stabilizer 9-14 parts and appropriate amount of water.
3. a kind of superhigh intensity building concrete according to claim 1, it is characterised in that the sand material is ore in sand form, pottery
The mixture of sand, superfine quartz sand.
4. a kind of superhigh intensity building concrete according to claim 1, it is characterised in that the building stones are ore, treasure
Zhu Yan, basalt, the mixture of gangue.
5. the preparation method of a kind of superhigh intensity building concrete according to claim 1, it is characterised in that including as follows
Step：
S1, by it is modified cladding 86-99 part of potter's clay, 21-29 part of sand material, building stones 11-24 parts, discarded object calcine expect 16-34 parts, it is ultra-fine
Flyash 11-14 parts through high temperature flour mill, grinding obtains powder, crosses 200-220 mesh sieves, then puts into and add water in mixer stirring
Mixing；Obtain mixture A；
S2, by hollow glass micropearl 19-24 parts, phenolic resin 11-18 parts, zeolite powder 21-24 parts, 11-14 parts of SiO2 aeroges
It is stirring while adding in adding another mixer；Stirred with the speed of 500-900r/min, add stabilizer 9-14 parts and continue to stir
30-50min is mixed, mixture B is obtained；
S3, step S1 is obtained mixture A and step S2 obtain mixture B mixing, add high-efficiency water-reducing agent of poly-carboxylic acid 12-18
Part, composite expanding agent 6-9 parts be thoroughly mixed；Concrete is obtained.
6. a kind of superhigh intensity building concrete according to claim 1, it is characterised in that including by following weight portion
Raw material is prepared from：Modified 88 parts of potter's clay of cladding, 28 parts of sand material, 18 parts of building stones, discarded object calcining material 18 parts, superfined flyash 13
Part, 19 parts of hollow glass micropearl, 15 parts of phenolic resin, 23 parts of zeolite powder, 13 parts of SiO2 aeroges, high-efficiency water-reducing agent of poly-carboxylic acid 13
Part, 7 parts of composite expanding agent, 11 parts of stabilizer and appropriate amount of water.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107473634A (en) * | 2017-08-31 | 2017-12-15 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of autoclave aerated concrete building block |
| CN107540328A (en) * | 2017-10-27 | 2018-01-05 | 安徽嘉中金属材料有限公司 | A kind of high-performance cast-in-place concrete and preparation method thereof |
| CN107954666A (en) * | 2017-11-02 | 2018-04-24 | 安徽嘉中金属材料有限公司 | A kind of foam concrete material for building of environmental protection anticracking and preparation method thereof |
| CN107986700A (en) * | 2017-11-10 | 2018-05-04 | 安徽嘉中金属材料有限公司 | A kind of strong concrete mixture and preparation method thereof |
| CN108017365A (en) * | 2017-12-15 | 2018-05-11 | 安徽嘉中金属材料有限公司 | A kind of composite concrete for building and preparation method thereof |
| CN108129070A (en) * | 2017-12-23 | 2018-06-08 | 瀛ｅ姜 | Good concrete of a kind of cryoprotective effects and preparation method thereof |
| CN108264300A (en) * | 2017-12-15 | 2018-07-10 | 安徽嘉中金属材料有限公司 | A kind of construction material concrete of environmental protection and preparation method thereof |
| CN108585743A (en) * | 2018-04-25 | 2018-09-28 | 临泉县凯晟建筑工程有限公司 | A kind of mixing sand mold roadbed concrete special |
| CN111454027A (en) * | 2020-04-08 | 2020-07-28 | 苏州中材建设有限公司 | Composite concrete containing mixed fibers and manufacturing method thereof |
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| CN103159443A (en) * | 2013-03-14 | 2013-06-19 | 中建商品混凝土有限公司 | Ultrahigh-strength concrete and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473634A (en) * | 2017-08-31 | 2017-12-15 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of autoclave aerated concrete building block |
| CN107540328A (en) * | 2017-10-27 | 2018-01-05 | 安徽嘉中金属材料有限公司 | A kind of high-performance cast-in-place concrete and preparation method thereof |
| CN107954666A (en) * | 2017-11-02 | 2018-04-24 | 安徽嘉中金属材料有限公司 | A kind of foam concrete material for building of environmental protection anticracking and preparation method thereof |
| CN107986700A (en) * | 2017-11-10 | 2018-05-04 | 安徽嘉中金属材料有限公司 | A kind of strong concrete mixture and preparation method thereof |
| CN108017365A (en) * | 2017-12-15 | 2018-05-11 | 安徽嘉中金属材料有限公司 | A kind of composite concrete for building and preparation method thereof |
| CN108264300A (en) * | 2017-12-15 | 2018-07-10 | 安徽嘉中金属材料有限公司 | A kind of construction material concrete of environmental protection and preparation method thereof |
| CN108129070A (en) * | 2017-12-23 | 2018-06-08 | 瀛ｅ姜 | Good concrete of a kind of cryoprotective effects and preparation method thereof |
| CN108585743A (en) * | 2018-04-25 | 2018-09-28 | 临泉县凯晟建筑工程有限公司 | A kind of mixing sand mold roadbed concrete special |
| CN111454027A (en) * | 2020-04-08 | 2020-07-28 | 苏州中材建设有限公司 | Composite concrete containing mixed fibers and manufacturing method thereof |
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Application publication date: 20170531 |
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