CN105693168A - High-strength steel slag concrete for building artificial fish reef - Google Patents

High-strength steel slag concrete for building artificial fish reef Download PDF

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Publication number
CN105693168A
CN105693168A CN201610149392.7A CN201610149392A CN105693168A CN 105693168 A CN105693168 A CN 105693168A CN 201610149392 A CN201610149392 A CN 201610149392A CN 105693168 A CN105693168 A CN 105693168A
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China
Prior art keywords
sio
steel slag
slag
concrete
density
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Application number
CN201610149392.7A
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Chinese (zh)
Inventor
王宏
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TIANJIN BOHAI AQUATIC PRODUCT RESEARCH INSTITUTE
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TIANJIN BOHAI AQUATIC PRODUCT RESEARCH INSTITUTE
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Priority to CN201610149392.7A priority Critical patent/CN105693168A/en
Publication of CN105693168A publication Critical patent/CN105693168A/en
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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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284—Materials permeable to liquids
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • 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 invention relates to a high-strength steel slag concrete for building an artificial fish reef. The high-strength steel slag concrete is prepared from, by mass, 400-450 parts of ordinary Portland cement clinker, 1200-1500 parts of waste steel slag, 580-620 parts of dry river sand, 185-200 parts of water and 25-35 parts of an additive, wherein the crushing value of the waste steel slag is smaller than 20%, the loose stacking density of coarse aggregate of the steel slag ranges from 1.60 g/cm<3> to 1.70 g/cm<3>, the close packing density ranges from 1.80 g/cm<3> to 1.85 g/cm<3>, the average water absorption ranges from 3.3% to 3.6%, and the alkalinity ranges from 2.30% to 2.35%. The high-strength concrete artificial fish reef prepared from the steel slag has the advantages of being large in density, high in strength, coarse in surface, good in stability and high in abrasion resistance and durability; meanwhile, the cost of the concrete is reduced, and a new way is found for utilizing the waste steel slag.

Description

A kind of high strength steel dreg concrete for building artificial marine habitat
Technical field
The invention belongs to artificial ocean fish shelter building materials technology field, be specifically related to a kind of high strength steel dreg concrete for building artificial marine habitat。
Background technology
Artificial marine habitat is artificially to be arranged on marine structure, hydrobiological can perch for Fish etc., grows, breed offer harbor, build suitable growing environment。In recent years; China coast fishery constitution adjusts; build artificial marine habitat fishing ground; as repairing and improve the marine eco-environment, propagation and optimization fishery resources, protection bio-diversity, promoting an Important Action of marine economy sustainable and healthy development; it is widely recognized as, and is achieved good effect。But marine environment is complicated, badly, requiring height for the concrete building artificial ocean fish shelter, therefore the physical dimension of artificial marine habitat and configuration are subject to the concrete restriction for building artificial marine habitat。
At present, external artificial reef material mainly has concrete and iron and steel two kinds, wherein concrete fish shelter accounts for 80%, iron and steel fish shelter accounts for 20%, in recent years to large volume, macroscopic void rate, baroque direction is developed, the high-rise fish reef structure height built up is more than 70 meters, current China is most widely used general and the most successful is also concrete artificial reef, concrete artificial reef is prone to carry out structural design, it is suitable for producing shape and the pore space structure of complexity, be conducive to perching and growing of cay Fish, but it is inadequate that concrete fish shelter compares iron structure fish shelter overall construction intensity, case hardness and erosion resisting are poor, fish shelter especially for high structures can't be competent at, therefore the intensity improving concrete fish shelter further is very necessary。
Slag is the main waste residue of metallurgical industry, current slag piles up total amount more than 300,000,000 tons, cause serious environmental pollution, but the utilization rate of slag is in reduced levels at present, is about 20%, containing certain cement clinker mineral in slag fine powder, the content of FeO is also higher, admixture as concrete gel material, it is possible to reduce cement consumption, reduces production cost。
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, and propose a kind of high strength steel dreg concrete for building artificial marine habitat。
This invention address that it technical problem is that takes techniques below scheme to realize:
A kind of high strength steel dreg concrete for building artificial marine habitat, comprises the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker > 3.00g/cm3；Jelling time>45min,<390min, essential mineral component includes tricalcium silicate 3CaO SiO to final setting time2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, < 20%, slag coarse aggregate loose bulk density is at 1.60g/cm for the crush values of described steel slag3-1.70g/cm3Between, tight packing density is at 1.80g/cm3-1.85g/cm3Between, mean water absorption rate is at 3.3%-3.6%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity, between 2.30%-2.35%, belongs to medium activity slag, and steel slag essential mineral component includes olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is between 0.15mm-4.75mm, and modulus of fineness is between 2.2-2.4, and clay content < 1.0%, density is at 2.80g/cm3-2.90g/cm3Between。
And, described additive is one or both the combination in desulfurated plaster and high performance water reducing agent of polyocarboxy acid。
And, above-mentioned component further includes admixture 0.5 part-2 parts, described admixture is one or both the combination in flyash, zeolite powder, silicon ash, limestone and levigate quartz sand。
Advantages of the present invention and having the benefit effect that
1, the strong concrete artificial marine habitat that the present invention utilizes prepared from steel slag standby has density greatly, and intensity is high, rough surface, good stability, the feature that hard wear resistant is strong。
2, artificial marine habitat prepared by the present invention, material granule has hole, and water permeability is strong, it is firmly combined with concrete, it is possible to excite the gelling that slag is potential, improves properties, both played the activity of slag itself, and concrete durability can have been improved again, also reduce concrete cost simultaneously。
3, the present invention prepares concrete artificial reef using slag as coarse aggregate, can meet the requirement of strength of artificial marine habitat, comprcssive strength and reach ideal effect on tensile splitting strength。
4, the present invention effectively improves the utilization rate of industrial waste steel dreg, develops high value-added product, for improving the marine biodiversity throwing reef area, expands aquafarm scope significant。
Detailed description of the invention
Hereinafter the invention process being further described, following example are illustrative, are not determinate, it is impossible to limit protection scope of the present invention with this。
A kind of high strength steel dreg concrete for building artificial marine habitat, comprises the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker > 3.00g/cm3；Jelling time>45min,<390min, essential mineral consists of tricalcium silicate 3CaO SiO to final setting time2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, < 20%, slag coarse aggregate loose bulk density is at 1.60g/cm for the crush values of described steel slag3-1.70g/cm3Between, tight packing density is at 1.80g/cm3-1.85g/cm3Between, mean water absorption rate is at 3.3%-3.6%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity, between 2.30%-2.35%, belongs to medium activity slag, and essential mineral consists of olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is at 0.15mm-4.75mm, and modulus of fineness is between 2.2-2.4, and clay content < 1.0%, density is at 2.80g/cm3-2.90g/cm3Between；
Wherein, described additive is one or both the combination in desulfurated plaster and high performance water reducing agent of polyocarboxy acid PC (powdery)。
In specific embodiment of the invention, further includeing admixture 0.5 part-2 parts in above-mentioned component, described admixture is one or both the combination in flyash, zeolite powder, silicon ash, limestone and levigate quartz sand。
Above-mentioned material is mixed in each constituent mass ratio, after stirring evenly in mould pour into a mould, vibration moulding, standard curing condition, temperature is 20 ± 3 degree, humidity is not less than when the standard curing of 90% relative humidity after maintenance 28d, obtains high strength steel dreg concrete artificial marine habitat。
Example 1
A kind of high strength steel dreg concrete for building artificial marine habitat, comprises the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker is 3.02g/cm3；Jelling time 212min>45min, final setting time 280min<390min, essential mineral consists of tricalcium silicate 3CaO SiO2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, the crush values 12.8% < 20% of described steel slag, slag coarse aggregate loose bulk density is 1.61g/cm3, tight packing density is at 1.80g/cm3, mean water absorption rate is 3.3%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity is 2.30%, belongs to medium activity slag, and essential mineral consists of olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is 0.15mm-3.75mm, and modulus of fineness is between 2.2-2.3, clay content < 1.0%, and density is 2.80g/cm3；
Wherein, described additive is desulfurated plaster。
In specific embodiment of the invention, further includeing admixture 2 parts in above-mentioned component, described admixture is flyash。
After above-mentioned high strength steel dreg concrete prepares into artificial marine habitat, the strength test of model age 28d, assay is comprcssive strength is 58.6Mpa, reaches the 160% of design strength classification standard value, and strength grade reaches C35P8 grade。
Example 2
A kind of high strength steel dreg concrete for building artificial marine habitat, comprises the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker > 3.02g/cm3；Jelling time 186min>45min, final setting time 310min<390min, essential mineral consists of tricalcium silicate 3CaO SiO2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, the crush values 8.3% < 20% of described steel slag, slag coarse aggregate loose bulk density is at 1.68g/cm3, tight packing density is at 1.83g/cm3, mean water absorption rate is 3.5%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity is 2.33%, belongs to medium activity slag, and essential mineral consists of olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is at 0.15mm-4.75mm, and modulus of fineness is between 2.2-2.4, clay content 0.85% < 1.0%, and density is 2.85g/cm3；
Wherein, described additive is high performance water reducing agent of polyocarboxy acid PC (powdery)。
In specific embodiment of the invention, further includeing admixture 1.0 parts in above-mentioned component, described admixture is that silicon is grey and the combination of levigate quartz sand。
After above-mentioned high strength steel dreg concrete prepares into artificial marine habitat, the strength test of model age 28d, assay is comprcssive strength is 59.8Mpa, reaches the 171% of design strength classification standard value, and strength grade reaches C35P8 grade。
Example 3
A kind of high strength steel dreg concrete for building artificial marine habitat, comprises the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker > 3.00g/cm3；Jelling time 121min>45min, final setting time 237min<390min, essential mineral consists of tricalcium silicate 3CaO SiO2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, the crush values 13.2 < 20% of described steel slag, slag coarse aggregate loose bulk density is 1.70g/cm3, tight packing density is 1.85g/cm3, mean water absorption rate is 3.6%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity is between 2.35%, belongs to medium activity slag, and essential mineral consists of olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is at 0.25mm-4.75mm, and modulus of fineness is between 2.2-2.4, clay content 0.92 < 1.0%, and density is 2.90g/cm3；
Wherein, described additive is desulfurated plaster。
In specific embodiment of the invention, further includeing admixture 0.5 part in above-mentioned component, described admixture is limestone。
After above-mentioned high strength steel dreg concrete prepares into artificial marine habitat, the strength test of model age 28d, assay is comprcssive strength is 57.9Mpa, reaches the 167% of design strength classification standard value, and strength grade reaches C35P8 grade。

Claims (3)

1. the high strength steel dreg concrete being used for building artificial marine habitat, it is characterised in that: comprise the following component constituted by mass fraction:
Wherein, the density of described ordinary portland cement clinker > 3.00g/cm3；Jelling time>45min,<390min, mineral component includes tricalcium silicate 3CaO SiO to final setting time2, dicalcium silicate 2CaO SiO2, tricalcium aluminate 3CaO Al2O3With tetra calcium aluminoferrite 4CaO Al2O3·Fe2O3；
Wherein, < 20%, slag coarse aggregate loose bulk density is at 1.60g/cm for the crush values of described steel slag3-1.70g/cm3Between, tight packing density is at 1.80g/cm3-1.85g/cm3Between, mean water absorption rate is at 3.3%-3.6%, and slag basicity calculates M=CaO/ (SiO2+P2O5) %, basicity is between 2.30%-2.35%, and for medium activity slag, steel slag mineral component includes olivine 2FeO SiO2, dicalcium silicate 2CaO SiO2, tricalcium silicate 3CaO SiO2, dicalcium ferrite 2CaO Fe2O3, fluor-apatite 9CaO 3P2O5·CaF2With free calcium oxide fCaO；
Wherein, the particle diameter of described dry fluvial sand is between 0.15mm-4.75mm, and modulus of fineness is between 2.2-2.4, and clay content < 1.0%, density is at 2.80g/cm3-2.90g/cm3Between。
2. the high strength steel dreg concrete for building artificial marine habitat according to claim 1, it is characterised in that: described additive is one or both the combination in desulfurated plaster and high performance water reducing agent of polyocarboxy acid。
3. the high strength steel dreg concrete for building artificial marine habitat according to claim 1, it is characterized in that: further include admixture 0.5 part-2 parts in above-mentioned component, described admixture is one or both the combination in flyash, zeolite powder, silicon ash, limestone and levigate quartz sand。
CN201610149392.7A 2016-03-16 2016-03-16 High-strength steel slag concrete for building artificial fish reef Pending CN105693168A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101475348A (en) * 2009-01-16 2009-07-08 首钢总公司 Artificial reef preparation with metallurgy slag as principal raw material
CN103159448A (en) * 2011-12-17 2013-06-19 鞍山钢铁集团公司 Preparation method for artificial fish reef concrete material with slag as main raw material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101475348A (en) * 2009-01-16 2009-07-08 首钢总公司 Artificial reef preparation with metallurgy slag as principal raw material
CN103159448A (en) * 2011-12-17 2013-06-19 鞍山钢铁集团公司 Preparation method for artificial fish reef concrete material with slag as main raw material

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李琳琳等: "钢渣制备高强度人工鱼礁混凝土", 《金属矿山》 *
王中杰等: "人工鱼礁用钢渣混凝土胶凝材料的水化特性", 《金属矿山》 *

Cited By (2)

* Cited by examiner, † Cited by third party
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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Application publication date: 20160622