CN112608100A - Roller steel slag concrete and method for determining mixing proportion thereof - Google Patents
Roller steel slag concrete and method for determining mixing proportion thereof Download PDFInfo
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- CN112608100A CN112608100A CN202011481452.8A CN202011481452A CN112608100A CN 112608100 A CN112608100 A CN 112608100A CN 202011481452 A CN202011481452 A CN 202011481452A CN 112608100 A CN112608100 A CN 112608100A
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- 239000002893 slag Substances 0.000 title claims abstract description 94
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 239000004567 concrete Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000004576 sand Substances 0.000 claims abstract description 33
- 239000004575 stone Substances 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000010881 fly ash Substances 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 19
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 18
- 239000011707 mineral Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 23
- 238000006467 substitution reaction Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000292 calcium oxide Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010754 BS 2869 Class F Substances 0.000 description 1
- 229910001341 Crude steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/142—Steelmaking slags, converter slags
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
Abstract
The roller steel slag concrete comprises cement, fly ash, mineral powder, yellow sand, broken stone, roller steel slag, water and a water reducing agent, and the roller steel slag concrete comprises the following components in parts by weight: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 231-738 parts of yellow sand, 693-1108 parts of broken stone, 2-924 parts of roller steel slag, 155 parts of water and 2.89 parts of a water reducing agent. The method for determining the mixing ratio of the roller steel slag concrete comprises the following steps: determining the replacement rate of the aggregate according to different requirements; determining the mass parts of the roller steel slag; determining the mass parts of yellow sand; determining the mass parts of the crushed stones; and determining the mass parts of the rest components. The invention changes the roller steel slag into valuable, saves the consumption of natural sandstone, and reduces the damage to the natural environment; the pollution of the steel slag stacking of the roller to the environment is reduced, and valuable land resources are saved; the steel slag can be used near the roller steel slag producing area, so that the cost can be saved, and the steel slag roller has good economic benefit.
Description
Technical Field
The invention belongs to the technical field of building materials, and relates to recycling of roller steel slag, in particular to recycling of roller steel slag in concrete.
Background
The steel slag is waste slag generated in steel smelting in steel plants, and the emission amount of the steel slag is about 10-15% of the yield of crude steel. In 2016, the steel slag yield of China is 1.05 hundred million tons, the utilization rate is only 20 percent, the accumulated stacking amount exceeds 10 hundred million tons, and the steel slag which cannot be effectively processed in time not only occupies a large amount of land resources during stacking, but also causes pollution to the surrounding environment. The steel slag concrete is one of main directions for utilizing the steel slag, but the existing steel slag generally has the stability problem caused by overhigh content of free calcium oxide, and the steel slag can cause concrete cracking when being directly used as an aggregate, so most of the steel slag needs to be subjected to secondary processing such as crushing, screening, grinding and the like before being used as the concrete aggregate, thereby not only increasing the use cost of the steel slag concrete, but also greatly reducing the practicability.
Disclosure of Invention
Aiming at the defects of the existing steel slag concrete, the invention aims to provide the roller steel slag concrete and the method for determining the mixing proportion thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the roller steel slag concrete is composed of cement, fly ash, mineral powder, yellow sand, broken stone, roller steel slag, water and a water reducing agent, and the components in parts by weight are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 231-738 parts of yellow sand, 693-1108 parts of broken stone, 2-924 parts of roller steel slag, 155 parts of water and 2.89 parts of a water reducing agent.
Further, the roller steel slag preferably has a particle size of 0.15-20 mm. Wherein the proportion of particles with the diameter of more than 5mm is 40-50%, preferably 45%, and the particles can replace common concrete coarse aggregates; the proportion of particles with the diameter of less than 5mm is 50-60%, preferably 55%, and the particles can replace common concrete fine aggregate; the content of free calcium oxide is less than 4%, the content of metallic iron is less than 2%, and the water absorption rate is less than 3.5%.
Further, the cement is preferably P.O 42.5.5 ordinary portland cement; and/or the presence of a gas in the gas,
the fly ash is preferably class F II fly ash; and/or the presence of a gas in the gas,
the mineral powder is preferably grade S95; and/or the presence of a gas in the gas,
the preferred granularity standard of the yellow sand is medium sand or machine-made medium sand; and/or the presence of a gas in the gas,
the crushed stone is preferably crushed stone with the particle size of 5-25 mm; and/or the presence of a gas in the gas,
the water reducing agent is preferably a polycarboxylic acid water reducing agent.
The invention also provides a design method of the mixing proportion of different drum steel slag mixing amounts of the drum steel slag concrete, which comprises the following steps:
the method comprises the following steps: determining the replacement rate of the aggregate according to different requirements
The value range of the aggregate substitution rate is 0.1-50%, and a high value is adopted when the weight or the strength of the concrete needs to be increased. When the transportation distance of the mixed concrete is longer, the aggregate substitution rate is preferably controlled within 30 percent; when a mixing station is arranged on a construction site, the replacement rate of the aggregate can be increased to 50 percent so as to improve the consumption of the roller steel slag.
Step two: determining the mass fraction of the roller steel slag
Determining the mass part C of the roller steel slag according to the sum of the parts A of the yellow sand and the total parts B of the broken stones required by the common concrete multiplied by the aggregate substitution rate lambda, namely C ═ A + B x lambda;
preferably, a is 739 and B is 1109.
Step three: determining the mass portion of the yellow sand
The mass fraction of the yellow sand is A-k1 xC, wherein k1 is the proportion of particles with the particle size of less than 5mm in the roller steel slag.
Step four: determining the mass fraction of the crushed stone
The mass fraction of the broken stone is B-k2 xC, wherein k2 is the proportion of particles with the particle size of more than 5mm in the roller steel slag.
Step five: determining the mass parts of the rest components
The mass parts of the other components are determined according to the preparation of common concrete, preferably: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent, and when experience or other requirements exist, the concrete can be properly adjusted according to the design rule of the mix proportion of common concrete (JGJ 55-2011).
Due to the adoption of the technical scheme, the invention at least has the following beneficial effects: the roller steel slag is changed into valuable, so that the consumption of natural sand and stone is saved, and the damage to the natural environment is reduced; the pollution of the steel slag stacking of the roller to the environment is reduced, and valuable land resources are saved; the steel slag can be used near the roller steel slag producing area, so that the cost can be saved, and the steel slag roller has good economic benefit.
Drawings
FIG. 1 is a design flow chart of the present invention.
Detailed Description
The invention provides roller steel slag concrete and a mix proportion design method thereof according to the characteristics of the roller treatment process such as slag property, stable gradation (0.15-20 mm), low content of free calcium oxide and metallic iron and the like.
The present invention will be further described with reference to the following examples.
1. First embodiment of roller slag concrete: the aggregate substitution rate is 0.1 percent
The roller steel slag selects the same batch of steel slag of the Bao steel roller to replace concrete aggregate. Through detection, the proportion of particles above 5mm of the roller steel slag of the batch is about 45 percent, the proportion of particles below 5mm is about 55 percent, the content of free calcium oxide is about 1.30 to 3.00 percent, the content of metallic iron is about 0.83 to 0.98 percent, and the water absorption rate is about 2.8 percent.
P.O 42.5.5 common Portland cement is adopted as the cement, F-class II-grade fly ash is adopted as the fly ash, S95-grade mineral powder is adopted as the mineral powder, medium sand is adopted as the yellow sand, broken stone with the particle size of 5-25 mm is adopted as the broken stone, and polycarboxylic acid water reducing agent is adopted as the water reducing agent.
And the aggregate substitution rate is 0.1%, the mass fraction of the roller steel slag is 1848 multiplied by 0.1% and approximately equals to 2 parts according to the total fraction of the yellow sand and the crushed stone, the mass fraction of the yellow sand is 739-55% multiplied by 2 and approximately equals to 738 parts, and the mass fraction of the crushed stone is 1109-45% multiplied by 2 and approximately equals to 1108 parts.
The other components in parts by mass are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
2. Example two of the roller steel slag concrete: the replacement rate of the aggregate is 15 percent
The specification of the materials of the components is the same as that of the first embodiment, and the mass parts are adjusted according to the substitution rate of the aggregate.
And the aggregate substitution rate is 15%, the mass fraction of the roller steel slag is 1848 multiplied by 15% approximately equal to 277 parts of the total parts of yellow sand and broken stone, the mass fraction of the yellow sand is 739-55% multiplied by 277 approximately equal to 587 parts, and the mass fraction of the broken stone is 1109-45% multiplied by 277 approximately equal to 984 parts.
The other components in parts by mass are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
3. Roller slag concrete example three: the aggregate substitution rate is 30 percent
The specification of the materials of the components is the same as that of the first embodiment, and the mass parts are adjusted according to the substitution rate of the aggregate.
And the aggregate substitution rate is 30%, the mass fraction of the roller steel slag is 1848 multiplied by 30% approximately equal to 554 parts according to the total fraction of the yellow sand and the crushed stone, the mass fraction of the yellow sand is 739-55% multiplied by 554 approximately equal to 434 parts, and the mass fraction of the crushed stone is 1109-45% multiplied by 554 approximately equal to 860 parts.
The other components in parts by mass are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
4. Roller slag concrete example four: the aggregate substitution rate is 40 percent
The specification of the materials of the components is the same as that of the first embodiment, and the mass parts are adjusted according to the substitution rate of the aggregate.
And if the aggregate substitution rate is 40%, the mass fraction of the roller steel slag is 1848 multiplied by 40% approximately equal to 739 parts of the total fraction of the yellow sand and the crushed stone, the mass fraction of the yellow sand is 739-55% multiplied by 739 approximately equal to 333 parts, and the mass fraction of the crushed stone is 1109-45% multiplied by 739 approximately equal to 776 parts.
The mass parts of the other components are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
5. Roller slag concrete example five: the aggregate substitution rate is 50 percent
The specification of the materials of the components is the same as that of the first embodiment, and the mass parts are adjusted according to the substitution rate of the aggregate.
And taking 50% of the aggregate substitution rate, wherein the mass fraction of the roller steel slag is 1848 multiplied by 50% approximately equal to 924 parts of the total mass fraction of the yellow sand and the crushed stone, the mass fraction of the yellow sand is 739-55% multiplied by 924 approximately equal to 231 parts, and the mass fraction of the crushed stone is 1109-45% multiplied by 924 approximately equal to 693 parts.
The other components in parts by mass are as follows: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
In the embodiment of the roller steel slag concrete, the roller steel slag aggregate is pre-absorbed to prevent the slump loss from being too fast; then uniformly mixing the roller steel slag, cement, fly ash, mineral powder, sand, gravel and a water reducing agent to obtain roller steel slag concrete; and then maintaining the roller steel slag concrete.
The performance tests of the first, second, third, fourth and fifth examples of the roller slag concrete are shown in the following table.
As can be seen from the above table, in the first embodiment, the replacement rate of the drum steel slag aggregate is 0.1%, and the property of the drum steel slag aggregate is considered to be very close to that of common concrete, so that the apparent density, compressive strength, anti-permeability grade and wear resistance of the drum steel slag concrete are increased compared with the common concrete, and the increase is larger along with the increase of the replacement rate of the drum steel slag; therefore, the roller steel slag concrete can meet the use requirements of C30 and above common concrete.
The foregoing description and description of the embodiments are provided to facilitate understanding and application of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications can be made to these teachings and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above description and the description of the embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (12)
1. The roller steel slag concrete is characterized in that: the cement-based composite material comprises cement, fly ash, mineral powder, yellow sand, broken stone, roller steel slag, water and a water reducing agent, and the cement-based composite material comprises the following components in parts by weight: 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 231-738 parts of yellow sand, 693-1108 parts of broken stone, 2-924 parts of roller steel slag, 155 parts of water and 2.89 parts of a water reducing agent.
2. The roller slag concrete according to claim 1, characterized in that: the content of free calcium oxide is less than 4%, the content of metallic iron is less than 2%, and the water absorption rate is less than 3.5%.
3. The roller slag concrete according to claim 1, characterized in that: the roller steel slag is 0.15-20 mm in particle size.
4. The roller slag concrete according to claim 3, wherein: wherein the proportion of the roller steel slag particles with the diameter of more than 5mm is 40-50 percent, and the proportion of the roller steel slag particles with the diameter of less than 5mm is 50-60 percent.
5. The roller slag concrete according to claim 3, wherein: wherein the proportion of the roller steel slag particles with the diameter of more than 5mm is 45 percent, and the proportion of the roller steel slag particles with the diameter of less than 5mm is 55 percent.
6. The roller slag concrete according to claim 1, characterized in that: the cement is P.O 42.5.5 ordinary portland cement; and/or the presence of a gas in the gas,
the fly ash is F-class II fly ash; and/or the presence of a gas in the gas,
the mineral powder is grade S95; and/or the presence of a gas in the gas,
the granularity standard of the yellow sand is medium sand or machine-made medium sand; and/or the presence of a gas in the gas,
the crushed stone is crushed stone with the particle size of 5-25 mm; and/or the presence of a gas in the gas,
the water reducing agent is a polycarboxylic acid water reducing agent.
7. The method for determining the mix proportion of the roller slag concrete according to claim 1, which is characterized by comprising the following steps:
the method comprises the following steps: determining the replacement rate of the aggregate according to different requirements;
step two: determining the mass parts of the roller steel slag;
step three: determining the mass parts of yellow sand;
step four: determining the mass parts of the crushed stones;
step five: and determining the mass parts of the rest components.
8. The method for determining the mix proportion of the roller slag concrete according to claim 7, wherein:
in the first step, the value range of the aggregate substitution rate is 0.1-50%, and a relatively high value is taken when the weight or strength of the concrete needs to be increased.
9. The method for determining the mix proportion of the roller slag concrete according to claim 7, wherein:
when the transportation distance of the mixed concrete is longer, controlling the replacement rate of the aggregate within 30 percent; when a mixing station is arranged on a construction site, the replacement rate of the aggregate can be increased to 50 percent so as to improve the consumption of the roller steel slag.
10. The method for determining the mix proportion of the roller slag concrete according to claim 7, wherein:
step two: determining the mass part C of the roller steel slag according to the sum of the parts A of the yellow sand and the total parts B of the broken stones required by the common concrete multiplied by the aggregate substitution rate lambda, namely C ═ A + B x lambda;
step three: the mass fraction of the yellow sand is A-k1 xC, wherein k1 is the proportion of particles with the particle size of less than 5mm in the roller steel slag;
step four: the mass fraction of the broken stone is B-k2 xC, wherein k2 is the proportion of particles with the particle size of more than 5mm in the roller steel slag;
step five: the mass parts of the other components are determined according to the preparation of common concrete.
11. The method for determining the mix proportion of the roller slag concrete according to claim 10, wherein:
a is 739 and B is 1109.
12. The method for determining the mix proportion of the roller slag concrete according to claim 10, wherein:
and step five, preparing 224 parts of cement, 75 parts of fly ash, 75 parts of mineral powder, 155 parts of water and 2.89 parts of a water reducing agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011481452.8A CN112608100A (en) | 2020-12-16 | 2020-12-16 | Roller steel slag concrete and method for determining mixing proportion thereof |
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| CN202011481452.8A CN112608100A (en) | 2020-12-16 | 2020-12-16 | Roller steel slag concrete and method for determining mixing proportion thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434894A (en) * | 2023-06-12 | 2023-07-14 | 合肥工业大学 | Mixing proportion design method and manufacturing method of steel slag replaced fine aggregate concrete |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215126A (en) * | 2007-01-05 | 2008-07-09 | 上海宝钢冶金技术服务有限公司 | Steel slag roller compacted concrete |
| CN101935172A (en) * | 2010-08-25 | 2011-01-05 | 武汉钢铁(集团)公司 | Roller steel slag fine aggregate and composite slag powder cemented material |
| KR20150008845A (en) * | 2012-01-27 | 2015-01-23 | 사우디 아라비안 오일 컴퍼니 | Sulfur Steel-Slag Aggregate Concrete |
| CN109678375A (en) * | 2019-01-21 | 2019-04-26 | 昆明理工大学 | A kind of determination method preparing recycled aggregate product preferred plan |
| CN110059334A (en) * | 2019-01-10 | 2019-07-26 | 宁夏大学 | A method of concrete is prepared using coal ash instead fine aggregate |
| CN110183154A (en) * | 2019-05-20 | 2019-08-30 | 中国二冶集团有限公司 | Steel slag concrete |
-
2020
- 2020-12-16 CN CN202011481452.8A patent/CN112608100A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215126A (en) * | 2007-01-05 | 2008-07-09 | 上海宝钢冶金技术服务有限公司 | Steel slag roller compacted concrete |
| CN101935172A (en) * | 2010-08-25 | 2011-01-05 | 武汉钢铁(集团)公司 | Roller steel slag fine aggregate and composite slag powder cemented material |
| KR20150008845A (en) * | 2012-01-27 | 2015-01-23 | 사우디 아라비안 오일 컴퍼니 | Sulfur Steel-Slag Aggregate Concrete |
| CN110059334A (en) * | 2019-01-10 | 2019-07-26 | 宁夏大学 | A method of concrete is prepared using coal ash instead fine aggregate |
| CN109678375A (en) * | 2019-01-21 | 2019-04-26 | 昆明理工大学 | A kind of determination method preparing recycled aggregate product preferred plan |
| CN110183154A (en) * | 2019-05-20 | 2019-08-30 | 中国二冶集团有限公司 | Steel slag concrete |
Non-Patent Citations (2)
| Title |
|---|
| 韩艳丽等: ""粗细钢渣替代天然骨料对混凝土力学性能的影响"", 《混凝土与水泥制品》 * |
| 韩艳丽等: ""粗细钢渣替代天然骨料对混凝土力学性能的影响"", 《混凝土与水泥制品》, no. 2, 28 February 2015 (2015-02-28), pages 96 - 98 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434894A (en) * | 2023-06-12 | 2023-07-14 | 合肥工业大学 | Mixing proportion design method and manufacturing method of steel slag replaced fine aggregate concrete |
| CN116434894B (en) * | 2023-06-12 | 2023-08-11 | 合肥工业大学 | Mixing proportion design method and manufacturing method of steel slag replaced fine aggregate concrete |
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