CN105060780A - Radiation-proof concrete taking nickel slag and lead-zinc mine tailing as raw materials and preparation method for radiation-proof concrete - Google Patents
Radiation-proof concrete taking nickel slag and lead-zinc mine tailing as raw materials and preparation method for radiation-proof concrete Download PDFInfo
- Publication number
- CN105060780A CN105060780A CN201510441111.0A CN201510441111A CN105060780A CN 105060780 A CN105060780 A CN 105060780A CN 201510441111 A CN201510441111 A CN 201510441111A CN 105060780 A CN105060780 A CN 105060780A
- Authority
- CN
- China
- Prior art keywords
- nickel slag
- tailings
- parts
- radiation
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the field of environment and building materials and particularly relates to radiation-proof concrete taking nickel slag and lead-zinc mine tailing as raw materials and a preparation method for the radiation-proof concrete. The radiation-proof concrete specifically comprises the follow raw materials in parts by weight: 150-190 parts of water, 350-640 parts of cementitious material, 740-850 parts of fine aggregate, 1100-1700 parts of coarse aggregate, 2.1-8.0 parts of a water reducer and 30-75 parts of steel fiber, wherein the cementitious material is composed of cement and mineral admixtures; the coarse aggregate is composed of lead-zinc mine tailing, nickel slag and barite; the fine aggregate is a mixed material obtained by ball-milling lead-zinc mine tailing and nickel slag; the water reducer is a polycarboxylate-type efficient water reducer. The obtained radiation-proof concrete is low in cost, can shield alpha, beta and gamma rays and neutron rays well, and is excellent in crack resistance and durability, and moreover, the pollution caused by tailing and nickel slag stacking on the ecological environment is reduced, and the radiation-proof concrete has good economical and environmental benefits and has good application prospects.
Description
Technical field
The invention belongs to environment and architecture Material Field, be specifically related to a kind of with nickel slag and Pb-Zn tailings radiation shield concrete that is raw material and preparation method thereof.
Background technology
Nickel slag is a kind of solid slag produced in metallic nickel and nickelalloy smelting process, i.e. a kind of granulated slag of being formed after shrend of its high-temperature molten, wherein SiO
2content 30%-50%, Fe
2o
3content 30%-60%, CaO content 1.5%-5%, content of MgO 1%-15%, Al
2o
3content 2.5%-6%.Its melting behaviors is with FeO-SiO
2be main, wherein CaO, MgO and Al
2o
3content is much lower, but SiO
2and Fe
2o
3content is high a lot.FeO in nickel slag amorphous phase is also a kind of active ingredient, can generate Fe (OH) under the effect of alkali
2with Fe (OH)
3gel, is filled in the effect playing support frame in other hydrated product, therefore can produce concrete as aggregate.The direct discharge of nickel slag can cause very big hidden danger to environment, allows its substitute as aggregate in concrete can solve the long-pending problem of nickel slag muck well, and can also solve natural sand resource exhaustion, natural sand random mining to the destruction problem of ecotope.
Pb-Zn tailings is the waste residue of discharging after Pb-Zn deposits factory adopts flotation process ore dressing, it accounts for 95% of Pb-Zn tailings output, and land occupation is not only wanted in a large amount of mine tailing stackings, expend and deposit and overhead charges, objectionable impurities simultaneously in mine tailing, particularly heavy metal ion is after weathering and rain, release and migration can occur, cause serious impact and threat to the life of surrounding enviroment and the people.Very extensively, waste sludge discharge amount is also very large, scientifically recycles resource of tailings, turns waste into wealth, accomplish that the doulbe-sides' victory of environmental benefit and economic benefit becomes a kind of selection of the best for China's Pb-Zn tailings and smeltery's distribution thereof.
Nuclear technique has just been developed rapidly since birth, but its security is its key further developed of puzzlement always.As everyone knows, nuclear reaction produce in a large number as α, β, gamma-rays and neutron ray can bring out the genovariation of multiple mankind's incurable disease such as cancer, leukemia and inducing plant, the growth harmed the crops, and its latent period is long, cannot learn in the short period of time.Therefore, for preventing ray to the injury of human body, when construction has the building of source of radiation, must protection body be set.
Concrete is current the most widely used ray protection material, is mainly used in making the inside and outside shell of nuclear reactor and the solidification treatment of nuke rubbish.Radiation shield concrete is as atomic reactor, particle accelerator and the protective material containing radioactive source device, and it effectively can shield nuclear radiation, i.e. ray, refers generally to the rays such as α, β, γ and neutron radiation.In radiation shield concrete design, the natural crystal that some apparent densities are larger: barite, serpentine etc., by means of the ray shield performance that it is excellent, is commonly used as concrete coarse-fine aggregate.These natural crystals rely on it to have larger ordination number and higher apparent density, effectively can stop ray penetrating in concrete.But these natural crystals are non-renewable, along with developing rapidly of nuclear power, from the angle of Sustainable development, find alternative material significant.
On the one hand, the aggregate that radiation shield concrete is used has limonite (2Fe
2o
33H
2o), rhombohedral iron ore (Fe
2o
3), magnetite (Fe
3o
4), barite (BaSO
4), scrap iron block, iron sand or steel sand etc., quartz sand Chang Zuowei fine aggregate.In nickel slag, iron-holder is greater than 50% and other heavy metals, meets the requirement of the coarse aggregate of radiation shield concrete, for preparation have radioprotective, anti-microwave function concrete very favourable.Meanwhile, the moiety of nickel slag and Pb-Zn tailings is mainly SiO
2, CaO, Fe
2o
3, Al
2o
3, MgO etc., can well replace the materials such as quartz sand as concrete fine aggregate, reduce preparation cost.In addition, containing a large amount of heavy metal such as plumbous in Pb-Zn tailings, because its structural arrangement is tight, density large, can prevent ray from passing well, also make the concrete utilizing nickel slag and Pb-Zn tailings to prepare have the performance of better shielding ray.
On the other hand, the apparent density (2.6 ~ 3.2 × 10 of nickel slag
3kg/m
3) and the apparent density (2.5 ~ 3.1 × 10 of Pb-Zn tailings
3kg/m
3) with the apparent density (2.6 ~ 3.0 × 10 of coagulation soil matrix phase sand-cement slurry
3kg/m
3) close, thus make mixing of cement slurry and aggregate in concrete preparation process, reduce the textural defect caused because concrete uniformity is bad, the ability of concrete shield ray is strengthened.Therefore, we utilize nickel slag and Pb-Zn tailings to carry out the radiation shield concrete that processability is better, cost is lower.
Through retrieval, at home and abroad there is no and utilize nickel slag and Pb-Zn tailings to prepare the report of high-performance radiation shield concrete, this project belongs to the technology of first research invention both at home and abroad.Nickel slag involved in the present invention and Pb-Zn tailings very abundant at China's reserves, nickel slag and Pb-Zn tailings can be recycled fully, effectively solve waste and pile up the pollution problem brought, simultaneously owing to containing a large amount of Fe and other heavy metal elements in nickel slag, and containing numerous heavy metal element especially Pb in Pb-Zn tailings, institute is in case ray performance is more superior.Therefore, have great importance from economy and environment double angle, there is good application value.
Summary of the invention
The object of this invention is to provide a kind of with nickel slag and Pb-Zn tailings radiation shield concrete that is raw material and preparation method thereof.Obtained radiation shield concrete can shield α, β, gamma-rays and neutron ray better than other radiation shield concrete products, has very high shielding properties and concrete resistance to cleavage and superior in durability.This preparation method is simple, and the nickel slag adopted and Pb-Zn tailings can replace natural crystal as aggregate, with low cost, have good economic benefit and environmental benefit, and application prospect is good.
For achieving the above object, the present invention adopts following technical scheme:
A kind of radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings, with parts by weight, comprise following raw material: 150 ~ 190 parts, water, gelling material 350 ~ 640 parts, fine aggregate 740 ~ 850 parts, coarse aggregate 1100 ~ 1700 parts, water reducer 2.1 ~ 8.0 parts, steel fiber 30 ~ 75 parts; Described coarse aggregate is made up of Pb-Zn tailings, nickel slag and barite.
In described coarse aggregate, it is 1:(0.2 ~ 2.5 that mass ratio is joined in Pb-Zn tailings, nickel slag and bar mixing): (0.2 ~ 1.0).
Described fine aggregate, after being mixed by Pb-Zn tailings and nickel slag, through ball milling 2h, crosses the compound that 300 mesh sieves obtain, and wherein, it is 1:(0.2 ~ 2.5 that the mixing of Pb-Zn tailings and nickel slag joins mass ratio).
Described Pb-Zn tailings comprises following composition: SiO
250 ~ 55wt%, CaO15 ~ 23wt%, Fe
2o
313 ~ 18wt%, Al
2o
310 ~ 15wt%, PbO0.81 ~ 1.86wt%, ZnO0.40 ~ 0.86wt%, BaO0.44 ~ 0.52wt%;
Described nickel cinder ladle draws together following composition: SiO
230 ~ 50wt%, Fe
2o
330 ~ 60wt%, CaO1.5 ~ 5wt%, Al
2o
32.5 ~ 6wt%, NiO3 ~ 6wt%.
Described water reducer is polycarboxylic acid series high efficiency water reducing agent.
Its raw material of described gelling material consists of: the flyash of the cement of 150 ~ 300 weight parts, the silicon ash of 20 ~ 50 weight parts and 30 ~ 60 weight parts.
Described cement is 42.5 grades of ordinary Portland cements.
As above with a preparation method for nickel slag and the Pb-Zn tailings radiation shield concrete that is raw material, concrete steps are as follows:
(1) add in concrete mixer by gelling material, coarse aggregate, fine aggregate and steel fiber according to proportioning, mechanical stirring 2 ~ 3min, obtains compound after stirring;
(2) in the compound of gained in step (1), proportionally add water reducer and water, mechanical stirring 2 ~ 3min, obtains mixture paste after stirring, and mixture paste is injected mould and carry out vibrating shaping, namely maintenance obtains radiation shield concrete.
Radiation shield concrete prepared by the present invention, its radiation proof function is mainly based on aggregate shielding property:
The aggregate adopted in radiation shield concrete preparation process is by nickel slag and the composite compound of Pb-Zn tailings, containing a lot of heavy metal element in nickel slag and Pb-Zn tailings, as: Mg, Ti, Co etc., make heavy metal content in folk prescription concrete increase; Especially contain more Pb containing in the Fe more than 50% and Pb-Zn tailings in nickel slag, the synergy of these two kinds of raw materials, makes concrete radiation protection ability significantly strengthen.When source of radiation radiates α, β, γ and neutron ray, the high heavy metal element of the relative atomic mass first contained in aggregate can the velocity of propagation of attenuation ray thus little by little absorbing radiation ray effectively; Secondly, inside concrete also has more chemical combination Bound moisture, and comprising: free water, crystal water, these moisture have good effect for the slowing down of fast neutron and the absorption of thermal neutron, and can not produce Secondary radiation.Meanwhile, there is solid state reaction in the silicoaluminate in nickel slag and Pb-Zn tailings after adding cement and water, makes heavy metals immobilization can not stripping in the lattice of silicoaluminate, guarantees to prepare environment amenable radiation shield concrete.
Present method adopt aggregate to be the compound of nickel slag and Pb-Zn tailings, the apparent density of its apparent density and gelling material matrix is close, obvious aggregate sinkage can not be produced in concrete, concrete degree of layering is made to obtain reduction, prepare the concrete that homogeneity is good, this concrete can reduce concrete tearing tendency and microdefect effectively, aggregate is evenly distributed, weather resistance strengthens, thus improve the shielding properties of radiation shield concrete.
Beneficial effect of the present invention:
(1) delamination degree of high-performance radiation shield concrete that prepared by the present invention obtains and reduces greatly, and concrete strength property and endurance quality are strengthened;
(2) the present invention uses the raw material of compound as coarse-fine aggregate of nickel slag and Pb-Zn tailings, both it can have been utilized to contain heavy metal element and to have prepared the high radiation shield concrete of shielding properties, shield α, β, gamma-rays and neutron ray well, also can turn waste into wealth, solution slag, mine tailing pile up the environmental problem brought;
(3) the present invention utilizes nickel slag and Pb-Zn tailings to prepare the technique of high-performance radiation shield concrete simply, and abundant raw material source, with low cost, application prospect is extensive.
Embodiment
In order to understand the present invention better, illustrate content of the present invention further below in conjunction with following examples, but the present invention is not only confined to the following examples.
embodiment 1
Raw material is chosen according to the proportioning raw materials in table 1, gelling material, coarse aggregate, fine aggregate, steel fiber are joined in concrete mixer, dry mixing 2min, add water reducer and water again, continue to stir 3min, obtain mixture paste after stirring, mixture paste is injected mould and carry out vibrating shaping, namely maintenance obtains radiation shield concrete.Its physicals technical indicator, linear attenuation coefficient and heavy metal ion leaches index and lists in table 4, table 5 and table 6.
Table 1 embodiment 1 prepares each material fiting ratio of radiation shield concrete
Wherein cement is the ordinary Portland cement of 42.5 grades; Flyash density is 0.7g/cm
3; The density of silicon ash is 2.1g/cm
3~ 2.3g/cm
3; Fine aggregate be nickel slag and Pb-Zn tailings through ball milling 2h, cross the compound that 300 mesh sieves obtain; Coarse aggregate is Pb-Zn tailings, nickel slag and bar mixture, and it is 1:1.5:0.5 that mass ratio is joined in Pb-Zn tailings, nickel slag and bar mixing; Fine aggregate is the mixture of Pb-Zn tailings and nickel slag, and it is 1:1.5 that the mixing of Pb-Zn tailings and nickel slag joins mass ratio; Water reducer is polycarboxylic acid series high efficiency water reducing agent.
embodiment 2
Raw material is chosen according to the proportioning raw materials in table 2, gelling material, coarse aggregate, fine aggregate, steel fiber are joined in concrete mixer, dry mixing 3min, add water reducer and water again, continue to stir 2min, obtain mixture paste after stirring, mixture paste is injected mould and carry out vibrating shaping, namely maintenance obtains radiation shield concrete.Its physicals technical indicator, linear attenuation coefficient and heavy metal ion leaches index and lists in table 4, table 5 and table 6.
Table 2 embodiment 2 prepares each material fiting ratio of radiation shield concrete
Wherein cement is the ordinary Portland cement of 42.5 grades; Flyash density is 0.7g/cm
3; The density of silicon ash is 2.1g/cm
3~ 2.3g/cm
3; Fine aggregate be nickel slag and Pb-Zn tailings through ball milling 2h, cross the compound that 300 mesh sieves obtain; Coarse aggregate is Pb-Zn tailings, nickel slag and bar mixture, and it is 1:1:1 that mass ratio is joined in Pb-Zn tailings, nickel slag and bar mixing; Fine aggregate is the mixture of Pb-Zn tailings and nickel slag, and it is 1:1 that the mixing of Pb-Zn tailings and nickel slag joins mass ratio; Water reducer is polycarboxylic acid series high efficiency water reducing agent.
embodiment 3
Raw material is chosen according to the proportioning raw materials in table 3, gelling material, coarse aggregate, fine aggregate, steel fiber are joined in concrete mixer, dry mixing 3min, add water reducer and water again, continue to stir 2min, obtain mixture paste after stirring, mixture paste is injected mould and carry out vibrating shaping, namely maintenance obtains radiation shield concrete.Its physicals technical indicator, linear attenuation coefficient and heavy metal ion leaches index and lists in table 4, table 5 and table 6.
Table 3 embodiment 3 prepares each material fiting ratio of radiation shield concrete
Wherein cement is the ordinary Portland cement of 42.5 grades; Flyash density is 0.7g/cm
3; The density of silicon ash is 2.1g/cm
3~ 2.3g/cm
3; Fine aggregate be nickel slag and Pb-Zn tailings through ball milling 2h, cross the compound that 300 mesh sieves obtain; Coarse aggregate is Pb-Zn tailings, nickel slag and bar mixture, and it is 1:0.5:2 that mass ratio is joined in Pb-Zn tailings, nickel slag and bar mixing; Fine aggregate is the mixture of Pb-Zn tailings and nickel slag, and it is 1:0.5 that the mixing of Pb-Zn tailings and nickel slag joins mass ratio; Water reducer is polycarboxylic acid series high efficiency water reducing agent.
The physicals technical indicator of table 4 embodiment 1 ~ 3 radiation shield concrete
Table 4 illustrates, the every physical of the radiation shield concrete prepared by the inventive method is functional, and homogeneity is high, has good serviceability.
Linear attenuation coefficient (the cm of table 5 embodiment 1 ~ 3 radiation shield concrete
-1)
(*: neutron data A.S.MAKARIOUS, I.I.BASHTERZ, A.EL-SAVEDABDOM.SAMIRABDELAZIMandW.A.KANSOUH, Ontheutilizationofheavyconcreteforradiationshielding.Ann .Nucl.EnergyVol.23, No.3,195-206,1996; Gamma-rays data FacultyofScience, ZagazigUniversity, Zagazig, Egypt.calculationofradiationattentioncoefficientsforshie ldingconcretes.Ann.Nucl.Eherev.Vol.24, No.17,1389-1401.1997)
Table 5 illustrates, radiation shield concrete prepared by embodiment 1 ~ 3 significantly better than external performance index, has good shielding property to the linear attenuation index of the gamma-rays of varying strength and neutron ray.
Table 6 embodiment 1 ~ 3 radiation shield concrete heavy metal ion leaches index
Table 6 illustrates, the heavy metal ion leaching concentration of the radiation shield concrete prepared by embodiment 1 ~ 3 meets the requirement of GB5085.3-2007 " Hazardous wastes judging standard-leaching characteristic identification ".
Each concrete raw material cited by the present invention, and the bound of each raw material, interval value, and the bound of processing parameter, interval value can realize the present invention, do not enumerate embodiment at this, it all should belong to covering scope of the present invention.
Claims (8)
1. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings, it is characterized in that: with parts by weight, comprise following raw material: 150 ~ 190 parts, water, gelling material 350 ~ 640 parts, fine aggregate 740 ~ 850 parts, coarse aggregate 1100 ~ 1700 parts, water reducer 2.1 ~ 8.0 parts, steel fiber 30 ~ 75 parts; Described coarse aggregate is made up of Pb-Zn tailings, nickel slag and barite.
2. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 1, it is characterized in that: in described coarse aggregate, it is 1:(0.2 ~ 2.5 that mass ratio is joined in Pb-Zn tailings, nickel slag and bar mixing): (0.2 ~ 1.0).
3. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 1, it is characterized in that: described fine aggregate is after being mixed by Pb-Zn tailings and nickel slag, through ball milling 2h, cross the compound that 300 mesh sieves obtain, wherein, Pb-Zn tailings and nickel slag mix that to join mass ratio be 1:(0.2 ~ 2.5).
4. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 1, is characterized in that: described Pb-Zn tailings comprises following composition: SiO
250 ~ 55wt%, CaO15 ~ 23wt%, Fe
2o
313 ~ 18wt%, Al
2o
310 ~ 15wt%, PbO0.81 ~ 1.86wt%, ZnO0.40 ~ 0.86wt%, BaO0.44 ~ 0.52wt%; Described nickel cinder ladle draws together following composition: SiO
230 ~ 50wt%, Fe
2o
330 ~ 60wt%, CaO1.5 ~ 5wt%, Al
2o
32.5 ~ 6wt%, NiO3 ~ 6wt%.
5. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 1, is characterized in that: described water reducer is polycarboxylic acid series high efficiency water reducing agent.
6. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 1, is characterized in that: its raw material of described gelling material consists of: the flyash of the cement of 150 ~ 300 weight parts, the silicon ash of 20 ~ 50 weight parts and 30 ~ 60 weight parts.
7. the radiation shield concrete that is raw material with nickel slag and Pb-Zn tailings according to claim 5, is characterized in that: described cement is 42.5 grades of ordinary Portland cements.
8. as claimed in claim 1 a kind of with a preparation method for nickel slag and the Pb-Zn tailings radiation shield concrete that is raw material, it is characterized in that: concrete steps are as follows:
(1) add in concrete mixer by gelling material, coarse aggregate, fine aggregate and steel fiber according to proportioning, mechanical stirring 2 ~ 3min, obtains compound after stirring;
(2) in the compound of gained in step (1), proportionally add water reducer and water, mechanical stirring 2 ~ 3min, obtains mixture paste after stirring, and mixture paste is injected mould and carry out vibrating shaping, namely maintenance obtains radiation shield concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510441111.0A CN105060780B (en) | 2015-07-25 | 2015-07-25 | Radiation shield concrete with nickel slag and Pb-Zn tailings as raw material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510441111.0A CN105060780B (en) | 2015-07-25 | 2015-07-25 | Radiation shield concrete with nickel slag and Pb-Zn tailings as raw material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105060780A true CN105060780A (en) | 2015-11-18 |
| CN105060780B CN105060780B (en) | 2017-06-06 |
Family
ID=54490364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510441111.0A Active CN105060780B (en) | 2015-07-25 | 2015-07-25 | Radiation shield concrete with nickel slag and Pb-Zn tailings as raw material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105060780B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500677A (en) * | 2017-09-29 | 2017-12-22 | 南京仙草堂生物科技有限公司 | A kind of gamma ray shielding composite and preparation method thereof |
| CN109678405A (en) * | 2019-01-23 | 2019-04-26 | 林瑞云 | A kind of tailing base special concrete and preparation method thereof |
| CN112358208A (en) * | 2020-11-10 | 2021-02-12 | 西北矿冶研究院 | Proportioning and preparation method of cementing material |
| CN112551939A (en) * | 2020-11-20 | 2021-03-26 | 福州大学 | Ferronickel slag and steel slag composite powder high-grade concrete admixture and preparation method thereof |
| CN114014614A (en) * | 2021-12-17 | 2022-02-08 | 中建商品混凝土有限公司 | Radiation-proof concrete and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046320A (en) * | 1989-04-15 | 1990-10-24 | 姜维 | Anti-X, gamma-rays radiating mixing material |
| CN101676239A (en) * | 2008-09-19 | 2010-03-24 | 湖南省第六工程有限公司 | Premixed and pumped heavy concrete |
| CN103613332A (en) * | 2013-11-15 | 2014-03-05 | 泰州中海建材有限公司 | High-strength concrete of aggregate nickel-doped slag |
| CN104030633A (en) * | 2014-06-09 | 2014-09-10 | 扬州大学 | Nickel slag concrete |
| CN104478368A (en) * | 2014-12-29 | 2015-04-01 | 扬州大学 | Wear-resisting concrete doped with nickel slags |
-
2015
- 2015-07-25 CN CN201510441111.0A patent/CN105060780B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046320A (en) * | 1989-04-15 | 1990-10-24 | 姜维 | Anti-X, gamma-rays radiating mixing material |
| CN101676239A (en) * | 2008-09-19 | 2010-03-24 | 湖南省第六工程有限公司 | Premixed and pumped heavy concrete |
| CN103613332A (en) * | 2013-11-15 | 2014-03-05 | 泰州中海建材有限公司 | High-strength concrete of aggregate nickel-doped slag |
| CN104030633A (en) * | 2014-06-09 | 2014-09-10 | 扬州大学 | Nickel slag concrete |
| CN104478368A (en) * | 2014-12-29 | 2015-04-01 | 扬州大学 | Wear-resisting concrete doped with nickel slags |
Non-Patent Citations (1)
| Title |
|---|
| 刘霞等: "重晶石防辐射混凝土的试验研究", 《混凝土》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500677A (en) * | 2017-09-29 | 2017-12-22 | 南京仙草堂生物科技有限公司 | A kind of gamma ray shielding composite and preparation method thereof |
| CN109678405A (en) * | 2019-01-23 | 2019-04-26 | 林瑞云 | A kind of tailing base special concrete and preparation method thereof |
| CN112358208A (en) * | 2020-11-10 | 2021-02-12 | 西北矿冶研究院 | Proportioning and preparation method of cementing material |
| CN112551939A (en) * | 2020-11-20 | 2021-03-26 | 福州大学 | Ferronickel slag and steel slag composite powder high-grade concrete admixture and preparation method thereof |
| CN114014614A (en) * | 2021-12-17 | 2022-02-08 | 中建商品混凝土有限公司 | Radiation-proof concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105060780B (en) | 2017-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tyagi et al. | Radiation Shielding Concrete with alternate constituents: An approach to address multiple hazards | |
| CN104987014B (en) | A kind of radiation shield concrete with Pb-Zn tailings as raw material and preparation method thereof | |
| CN106977145B (en) | Radiation-proof concrete | |
| CN102219459A (en) | Radiation shield concrete and preparation method thereof | |
| CN101863641B (en) | Radiation-resistant concrete based on environment protection type functional aggregates and preparation method thereof | |
| CN105060780A (en) | Radiation-proof concrete taking nickel slag and lead-zinc mine tailing as raw materials and preparation method for radiation-proof concrete | |
| CN106495577B (en) | The method for preparing radiation shield concrete with discarded concrete and barite wet-grinding technology and relative device | |
| CN110467402B (en) | Radiation-proof concrete and preparation method thereof | |
| CN105645794B (en) | A kind of large dosage industrial residue portland cement preparation method | |
| Wang et al. | Reuse of the soda sludge dealt with water washing as a supplementary material for the synthesis of clinker binders | |
| CN109133803A (en) | A kind of C40 ordinary portland cement base radiation shield concrete and preparation method thereof | |
| Gharieb et al. | Effect of using heavy aggregates on the high performance concrete used in nuclear facilities | |
| CN107500677A (en) | A kind of gamma ray shielding composite and preparation method thereof | |
| CN110981361A (en) | Radiation-proof concrete with high H element content and preparation method thereof | |
| CN112159170B (en) | Ionizing radiation shielding material for intermediate energy proton accelerator | |
| Liu et al. | The latest research progress of green building materials in lead and zinc tailings | |
| Tamayo et al. | Radiological shielding concrete using steel slags | |
| CN114804770B (en) | Iron ore anti-radiation concrete and preparation method thereof | |
| CN109574608A (en) | A kind of radiation shield concrete and preparation method thereof can be reduced secondary radiation | |
| CN113336460B (en) | Functional aggregate for radiation-proof concrete and preparation method thereof | |
| CN109336496A (en) | A kind of ordinary portland cement base radiation shield concrete and preparation method thereof | |
| CN115521102A (en) | Full-solid-waste self-compacting concrete and preparation method thereof | |
| CN114804771A (en) | Concrete prepared from high-activity superfine copper tailing cement mineral admixture | |
| Li et al. | Current situation and prospects for the clean utilization of gold tailings | |
| Xie et al. | Influence of temperature effect on properties of modified magnesium slag-based low-carbon paste backfill materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |