CN117263613B - Concrete based on solid waste material and preparation method thereof - Google Patents
Concrete based on solid waste material and preparation method thereof Download PDFInfo
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- CN117263613B CN117263613B CN202311233241.6A CN202311233241A CN117263613B CN 117263613 B CN117263613 B CN 117263613B CN 202311233241 A CN202311233241 A CN 202311233241A CN 117263613 B CN117263613 B CN 117263613B
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- 239000004567 concrete Substances 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 title claims abstract description 23
- 239000002910 solid waste Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- VQUHVWVGRKTIBH-UHFFFAOYSA-N hydron;2-methylbenzene-1,4-diamine;dichloride Chemical compound Cl.Cl.CC1=CC(N)=CC=C1N VQUHVWVGRKTIBH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 11
- 239000010881 fly ash Substances 0.000 claims abstract description 9
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 8
- 239000011019 hematite Substances 0.000 claims abstract description 8
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 13
- 229920005646 polycarboxylate Polymers 0.000 claims description 11
- 239000011398 Portland cement Substances 0.000 claims description 6
- 229910052602 gypsum Inorganic materials 0.000 claims description 6
- 239000010440 gypsum Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 5
- 239000008030 superplasticizer Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- -1 retarder Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method 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
-
- 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
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- 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
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/146—Silica fume
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of concrete, and provides concrete based on solid waste materials and a preparation method thereof, wherein the concrete comprises the following components in parts by weight: 100-130 parts of cement, 150-180 parts of steel slag, 30-40 parts of fly ash, 30-50 parts of hematite, 20-40 parts of basalt, 5-8 parts of silica fume, 1-2 parts of retarder, 2-4 parts of water reducer, 1-2 parts of 2, 5-diaminotoluene dihydrochloride and 30-40 parts of water. Through the technical scheme, the problem that the concrete in the prior art is low in compressive strength and flexural strength is solved.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to concrete based on solid waste materials and a preparation method thereof.
Background
Along with the rapid development of economic construction in China, the demand of concrete is increased year by year. Existing concrete is generally prepared by using a large amount of natural sand, but the natural sand is limited by shipping flow and exploitation in dry water seasons each year, so that the natural sand is difficult to transport and has large price fluctuation, and the price fluctuation of the concrete is also large.
The steel slag is industrial slag discharged in the steelmaking process, has the characteristics of large discharge amount and low utilization rate, and can be used for replacing partial aggregate in concrete, so that the occupation of the industrial slag on land and the pollution to the environment can be reduced, and the cost of concrete materials can be reduced. However, the addition of steel slag can cause the decrease of the strength of the concrete and affect the service life of the concrete, so that development of the concrete based on the solid waste material is needed, the strength of the concrete is improved, and the service life of the concrete is prolonged.
Disclosure of Invention
The invention provides concrete based on solid waste materials and a preparation method thereof, which solve the problems of low compressive strength and low flexural strength of the concrete in the related technology.
The technical scheme of the invention is as follows:
the concrete based on the solid waste material comprises the following components in parts by weight: 100-130 parts of cement, 150-180 parts of steel slag, 30-40 parts of fly ash, 30-50 parts of hematite, 20-40 parts of basalt, 5-8 parts of silica fume, 1-2 parts of retarder, 2-4 parts of water reducer, 1-2 parts of 2, 5-diaminotoluene dihydrochloride and 30-40 parts of water.
As a further technical scheme, the water reducer is a polycarboxylic acid water reducer.
As a further technical scheme, the polycarboxylate water reducer comprises one of a ZR52 polycarboxylate water reducer and a TD-JSS polycarboxylate water reducer.
As a further technical scheme, the steel slag consists of first steel slag and second steel slag, wherein the grain size of the first steel slag is 0.5-4mm, and the grain size of the second steel slag is 0.5-4 mm.
As a further technical scheme, the first steel slag and the second steel slag have different particle sizes.
As a further technical scheme, the grain size of the first steel slag is 0.5-1mm, and the grain size of the second steel slag is 1-2mm.
As a further technical scheme, the mass ratio of the first steel slag to the second steel slag is 1-3:1.
As a further technical scheme, the mass ratio of the first steel slag to the second steel slag is 2:1.
As a further technical scheme, the cement is Portland cement.
As a further technical scheme, the retarder is a gypsum retarder.
As a further technical scheme, the particle size of the silica fume is 1000-1500 meshes.
The invention also discloses a concrete preparation method based on the solid waste material, which comprises the following steps: and uniformly mixing the components, pouring, forming, demoulding and curing to obtain the concrete.
The working principle and the beneficial effects of the invention are as follows:
1. the concrete based on the solid waste material provided by the invention adopts cement, steel slag, fly ash, hematite, basalt, silica fume, retarder, water reducer, 2, 5-diaminotoluene dihydrochloride and water as raw materials, and replaces part of concrete aggregate with industrial waste slag, fly ash and silica fume, so that the environmental pollution is reduced, and the cost of the concrete material is reduced; and retarder and water reducer are added at the same time, so that the effect of the water reducer is further improved; the addition of the 2, 5-diaminotoluene dihydrochloride improves the 28d compressive strength, the 28d compressive strength and the water permeation resistance of the concrete, and prolongs the service life of the concrete.
2. According to the invention, the steel slag is compounded by adopting two kinds of steel slag with different grain diameters, and the mass proportion of the steel slag is limited, so that the 28d compressive strength and the 28d compressive strength of the concrete are improved, and the water penetration resistance of the concrete is also improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following examples and comparative examples:
PO42.5 Portland cement, available from Jianghuai construction materials technologies Co., ltd;
steel slag with the specification of 0.5-1mm, 1-2mm and 2-4mm and model FY-99 are purchased from a flying stone processing plant in red bridge area of Tianjin city;
hematite, 325 mesh gauge, model CKT01, purchased from the Mingham mineral products limited of the county of life;
basalt, 5-10mm gauge, model DZ698, available from stone house, dezera mineral products limited;
silica fume, 1000 mesh, 1250 mesh, 1500 mesh, model KY-8629, purchased from Jiangxi family source powder company;
the ZR52 polycarboxylate superplasticizer is purchased from a novel building material company, inc. of a smoke counter Zhuo Run;
TD-JSS polycarboxylate water reducer is purchased from Tuoda (Shandong) New Material technology industry Co., ltd;
gypsum retarder, cat No. 007, purchased from shandong macro chemical company, inc;
fly ash, cat No. A3, purchased from tai Yue Kuangye (shandong) limited.
Example 1
The preparation method of the concrete based on the solid waste material comprises the following steps:
100 parts of PO42.5 ordinary Portland cement, 75 parts of first steel slag (with the grain size of 0.5-1 mm), 75 parts of second steel slag (with the grain size of 1-2 mm), 30 parts of fly ash, 30 parts of hematite, 20 parts of basalt, 5 parts of silica fume (with the grain size of 1000 meshes), 1 part of gypsum retarder, 2 parts of ZR52 polycarboxylate superplasticizer, 1 part of 2, 5-diaminotoluene dihydrochloride and 30 parts of water are uniformly mixed to obtain slurry, the slurry is poured into a mold, vibration molding is carried out, and after curing for 24 hours, demolding and curing are carried out for 7d, so that the concrete is obtained.
Example 2
The preparation method of the concrete based on the solid waste material comprises the following steps:
uniformly mixing 120 parts of PO42.5 ordinary Portland cement, 80 parts of first steel slag (with the particle size of 0.5-1 mm), 80 parts of second steel slag (with the particle size of 1-2 mm), 35 parts of fly ash, 40 hematite, 30 basalt, 6 parts of silica fume (with the particle size of 1250 meshes), 1.5 parts of gypsum retarder, 3 parts of ZR52 polycarboxylate superplasticizer, 1.5 parts of 2, 5-diaminotoluene dihydrochloride and 35 parts of water to obtain slurry, pouring the slurry into a mold, vibrating and molding, demolding after curing for 24 hours, and curing for 7 days to obtain the concrete.
Example 3
The preparation method of the concrete based on the solid waste material comprises the following steps:
130 parts of PO42.5 ordinary Portland cement, 90 parts of first steel slag (with the grain size of 0.5-1 mm), 90 parts of second steel slag (with the grain size of 1-2 mm), 40 parts of fly ash, 50 hematite, 40 basalt, 8 parts of silica fume (with the grain size of 1500 meshes), 2 parts of gypsum retarder, 4 parts of TD-JSS polycarboxylate superplasticizer, 2 parts of 2, 5-diaminotoluene dihydrochloride and 40 parts of water are uniformly mixed to obtain slurry, the slurry is poured into a mold, vibration molding is carried out, demoulding is carried out after curing is carried out for 24 hours, and curing is carried out for 7d, thus obtaining the concrete.
Example 4
Example 4 is different from example 1 in that the grain size of the first steel slag is 1-2mm.
Example 5
Example 5 is different from example 1 in that the grain size of the first steel slag is 2-4mm.
Example 6
Example 6 is different from example 1 in that the grain size of the second steel slag is 0.5 to 1mm.
Example 7
Example 7 is different from example 1 in that the grain size of the second steel slag is 2-4mm.
Example 8
Example 8 is different from example 1 in that the first steel slag (particle size of 0.5 to 1 mm) is 100 parts and the second steel slag (particle size of 1 to 2 mm) is 50 parts.
Example 9
Example 9 is different from example 1 in that 112.5 parts of the first steel slag (particle size of 0.5 to 1 mm) and 37.5 parts of the second steel slag (particle size of 1 to 2 mm) are used.
Comparative example 1
Comparative example 1 was conducted in the same manner as in example 1 except that 2, 5-diaminotoluene dihydrochloride was not added in comparison with example 1.
Test examples
The properties of the concretes of examples 1 to 9 and comparative example 1 were determined as follows:
the 28d compressive strength and the 28d flexural strength of the concrete were measured by referring to the measurement method in GB/T50081-2019 "test method Standard for physical mechanical Properties of concrete", and the water permeation resistance of the concrete was measured by referring to the method in GB/T50082-2009 "test method Standard for Long-term Properties and durability of general concrete", and the measurement results are shown in Table 1.
TABLE 1 results of measurement of Properties of the concrete in examples 1 to 9 and comparative example 1
Compared with example 1, examples 4-5 changed the particle size of the first steel slag, and as a result, the 28d compressive strength and the 28d flexural strength of the concrete in examples 4-5 are lower than those in example 1, and the water seepage height is higher than that in example 1; examples 6-7 were modified in particle size of the second steel slag, and as a result, the concrete of examples 6-7 was lower in both 28d compressive strength and 28d flexural strength than example 1, and higher in water penetration height than example 1; the method shows that when the grain diameter of the first steel slag is 0.5-1mm and the grain diameter of the second steel slag is 1-2mm, the blending can improve the 28d compressive strength, the 28d flexural strength and the water penetration resistance of the concrete.
Compared with the example 1, the mass ratio of the first steel slag (with the grain size of 0.5-1 mm) to the second steel slag (with the grain size of 1-2 mm) is changed in the examples 8-9, and as a result, the 28d compressive strength and the 28d flexural strength of the concrete in the example 8 are higher than those of the examples 1 and 9, and the water seepage height is lower than those of the examples 1 and 9, so that the 28d compressive strength, the 28d flexural strength and the water seepage resistance of the concrete can be further improved when the mass ratio of the first steel slag (with the grain size of 0.5-1 mm) to the second steel slag (with the grain size of 1-2 mm) is 2:1.
As compared with example 1, comparative example 1 was free of 2, 5-diaminotoluene dihydrochloride, and as a result, the compressive strength of the concrete 28d and the flexural strength of the concrete 28d in comparative example 1 were both lower than those in example 1, and the water penetration height was higher than that in example 1, which means that the addition of 2, 5-diaminotoluene dihydrochloride can improve the compressive strength of the concrete 28d, the flexural strength of the concrete 28d and the water penetration resistance.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The concrete based on the solid waste material is characterized by comprising the following components in parts by weight: 100-130 parts of cement, 150-180 parts of steel slag, 30-40 parts of fly ash, 30-50 parts of hematite, 20-40 parts of basalt, 5-8 parts of silica fume, 1-2 parts of retarder, 2-4 parts of water reducer, 1-2 parts of 2, 5-diaminotoluene dihydrochloride and 30-40 parts of water;
the steel slag consists of first steel slag and second steel slag, wherein the grain size of the first steel slag is 0.5-4mm, and the grain size of the second steel slag is 0.5-4 mm; the first steel slag and the second steel slag have different particle sizes.
2. The concrete based on solid waste materials according to claim 1, wherein the water reducing agent is a polycarboxylic acid water reducing agent.
3. The concrete based on solid waste materials according to claim 2, wherein the polycarboxylate water reducer comprises one of a ZR52 polycarboxylate water reducer and a TD-JSS polycarboxylate water reducer.
4. The concrete based on solid waste materials according to claim 1, wherein the mass ratio of the first steel slag to the second steel slag is 1-3:1.
5. The concrete based on solid waste material according to claim 1, wherein the cement is portland cement.
6. The concrete based on solid waste materials according to claim 1, wherein the retarder is a gypsum retarder.
7. The concrete based on solid waste materials according to claim 1, wherein the silica fume has a particle size of 1000-1500 mesh.
8. A method for preparing concrete based on solid waste material according to any one of claims 1 to 7, comprising the steps of: and after uniformly mixing the components, pouring, forming, demoulding and curing to obtain the concrete.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311233241.6A CN117263613B (en) | 2023-09-22 | 2023-09-22 | Concrete based on solid waste material and preparation method thereof |
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| CN202311233241.6A CN117263613B (en) | 2023-09-22 | 2023-09-22 | Concrete based on solid waste material and preparation method thereof |
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| CN117263613B true CN117263613B (en) | 2024-03-08 |
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| CN101423361A (en) * | 2008-11-21 | 2009-05-06 | 中冶宝钢技术服务有限公司 | Steel slag concrete formulation |
| CN101486554A (en) * | 2009-02-20 | 2009-07-22 | 武汉理工大学 | Low cost active powder concrete and preparation thereof |
| CN101805156A (en) * | 2010-04-07 | 2010-08-18 | 中冶宝钢技术服务有限公司 | Steel slag radiation shield concrete and preparation method thereof |
| KR101375274B1 (en) * | 2013-12-12 | 2014-03-17 | (주)영광엔지니어링건축사사무소 | Ultra high strength concrete |
| CN113603374A (en) * | 2021-08-25 | 2021-11-05 | 三明学院 | Steel slag micro powder with volcanic ash characteristic and production method thereof |
| WO2022200425A1 (en) * | 2021-03-26 | 2022-09-29 | Sika Technology Ag | Dry grinding of steel making slag, ground steel making slag, and its use in construction materials |
-
2023
- 2023-09-22 CN CN202311233241.6A patent/CN117263613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423361A (en) * | 2008-11-21 | 2009-05-06 | 中冶宝钢技术服务有限公司 | Steel slag concrete formulation |
| CN101486554A (en) * | 2009-02-20 | 2009-07-22 | 武汉理工大学 | Low cost active powder concrete and preparation thereof |
| CN101805156A (en) * | 2010-04-07 | 2010-08-18 | 中冶宝钢技术服务有限公司 | Steel slag radiation shield concrete and preparation method thereof |
| KR101375274B1 (en) * | 2013-12-12 | 2014-03-17 | (주)영광엔지니어링건축사사무소 | Ultra high strength concrete |
| WO2022200425A1 (en) * | 2021-03-26 | 2022-09-29 | Sika Technology Ag | Dry grinding of steel making slag, ground steel making slag, and its use in construction materials |
| CN113603374A (en) * | 2021-08-25 | 2021-11-05 | 三明学院 | Steel slag micro powder with volcanic ash characteristic and production method thereof |
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