CN108046708A - A kind of molybdic tailing pervious concrete and preparation method thereof - Google Patents
A kind of molybdic tailing pervious concrete and preparation method thereof Download PDFInfo
- Publication number
- CN108046708A CN108046708A CN201711447355.5A CN201711447355A CN108046708A CN 108046708 A CN108046708 A CN 108046708A CN 201711447355 A CN201711447355 A CN 201711447355A CN 108046708 A CN108046708 A CN 108046708A
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- China
- Prior art keywords
- molybdic tailing
- cement
- powder
- sphere
- pervious concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
- C04B2111/29—Frost-thaw resistance
-
- 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)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of molybdic tailing pervious concretes and preparation method thereof.The molybdic tailing pervious concrete, is mainly prepared by the raw material of following mass percent：The molybdic tailing sphere of powder 30% ~ 40%, molybdenum ore barren rock 35% ~ 45%, cement 15% ~ 20%, epoxy resin 3% ~ 9%, basalt fibre 1% ~ 2%.The present invention prepares the aggregate of sphere of powder partial alternative pervious concrete using molybdic tailing, while adds molybdenum ore barren rock aggregate, can largely eliminate molybdic tailing and molybdenum ore barren rock, improves resource utilization, reduces molybdic tailing and molybdenum ore barren rock takes up an area, improve environment.Manufactured pervious concrete has many advantages, such as that water permeability is good, intensity is high, at low cost, anti-thawing is good, with good economic efficiency and social benefit.
Description
Technical field
The present invention relates to molybdic tailing recycling fields, are specifically a kind of molybdic tailing pervious concrete and its preparation side
Method.
Background technology
Traditional pavement structure is spread using fluid-tight ground surface material, i.e. surface layer with base using close material
It builds, surface water is difficult to penetrate into roadbed.With the reinforcement of people's environmental consciousness, a variety of drawbacks of traditional waterproof pavement structure
Gradually recognized by people.The earth's surface of modern city is mostly covered by water tight concrete building and road surface, and respiratory absorbs heat
Amount and the ability of infiltration rainwater lack, and bring a series of Urban Environmental Problems.Present developed country all pays much attention to underground water
Supply, road surface is mostly the vegetation road surface alternate with masonry, ensure precipitation can permeate the ground in time.But in China, in city
In city, such mode is undesirable, preferable it is desirable to invent a kind of water penetration, while the indexs such as road surface hardness are again new up to target
Type building materials.
Meanwhile with industrialized development, the trade wastes bulk depositions such as molybdic tailing, molybdenum ore barren rock, but utilization rate is not
Height, bulk deposition not only occupied the soil of large area, but also the serious destruction to soil reclamation.If can recycle, accord with
Close the justice in the topic of circular economy.
The research of pervious concrete is prepared using the thinner molybdic tailing of granularity at present, it is not yet reported that.
The content of the invention
It is an object of the invention to provide a kind of molybdic tailing pervious concrete and preparation method thereof, to solve above-mentioned background skill
Problem present in art.
The technical proposal of the invention is realized in this way：
A kind of molybdic tailing pervious concrete, is mainly prepared by the raw material of following mass percent：The molybdic tailing sphere of powder 30% ~
40%th, molybdenum ore barren rock 35% ~ 45%, cement 15% ~ 20%, epoxy resin 3% ~ 9%, basalt fibre 1% ~ 2%.
Preferably, molybdic tailing pervious concrete of the present invention, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 40%, molybdenum ore barren rock 35%, cement 20%, epoxy resin 3%, basalt fibre 2%.
Preferably, molybdic tailing pervious concrete of the present invention, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 35%, molybdenum ore barren rock 40%, cement 18%, epoxy resin 6%, basalt fibre 1%.
Preferably, molybdic tailing pervious concrete of the present invention, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 30%, molybdenum ore barren rock 45%, cement 15%, epoxy resin 9%, basalt fibre 1%.
Preferably, the molybdic tailing sphere of powder is prepared by following steps：
A. batch mixing：By molybdic tailing, cement, starch grafted polyacrylamide copolymer, glass fibre molybdic tailing by weight percent
90% ~ 95%, cement 3% ~ 5%, starch grafted polyacrylamide copolymer 1 % ~ 3%, glass fibre 1% ~ 2% are uniformly mixed, are mixed
Close material；
B. it is molded：The mixture configured is added in into nodulizer, and it is spherical in shape to add in water stirring, the additive amount of water is molybdic tailing,
Cement, starch grafted polyacrylamide copolymer, glass fibre gross mass 8% ~ 12%；
C. conserve：It will under field conditions (factors) be conserved 3 days after shaping pellet, obtain the molybdic tailing sphere of powder.
Preferably, the step A molybdic tailings fineness be -0.074mm70% ~ 90%, glass fibre length 1mm ~ 3mm, cement
Model P.O 42.5.
Preferably, the step C molybdic tailing spheres of powder granularity is 3mm ~ 5mm.
The present invention also provides a kind of molybdic tailing pervious concrete preparation methods, comprise the following steps：
（1）By the molybdic tailing sphere of powder, molybdenum ore barren rock, cement, epoxy resin, basalt fibre according to mass percent：Molybdic tailing powder
Ball：Molybdenum ore barren rock：Cement：Epoxy resin：Basalt fibre=30% ~ 40%：35%~45%：15%~20%：3%~9%：1% ~ 2% is added to
It is uniformly mixed in concrete mixer；
（2）The water of mixture quality 5% ~ 7% is added in mixer, is sufficiently stirred 10min-15min；
（3）The water-reducing agent of cement quality 2% ~ 4% is added in mixer again, is sufficiently stirred 1min ~ 2min, molybdic tailing is obtained and makes
Grain pervious concrete.
Preferably, the step（1）Molybdenum ore barren rock granularity be 5mm-15mm, basalt fibre length 5mm ~ 10mm, cement
Model P.O 32.5.
Preferably, the step（3）Water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid.
Beneficial effects of the present invention are：
The present invention prepares the aggregate of sphere of powder partial alternative pervious concrete using molybdic tailing, while adds molybdenum ore barren rock aggregate, can
Largely to eliminate molybdic tailing and molybdenum ore barren rock, resource utilization is improved, molybdic tailing is reduced and molybdenum ore barren rock takes up an area, improve environment.
Manufactured pervious concrete has many advantages, such as that water permeability is good, intensity is high, at low cost, anti-thawing is good, has good economy
Benefit and social benefit.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.
Embodiment 1
A kind of molybdic tailing pervious concrete is present embodiments provided, is mainly prepared by the raw material of following mass percent：Molybdenum
The tailing sphere of powder 40%, molybdenum ore barren rock 35%, cement 20%, epoxy resin 3%, basalt fibre 2%.
Wherein, the molybdic tailing sphere of powder is prepared by following steps：
A. batch mixing：By molybdic tailing, cement, starch grafted polyacrylamide copolymer, glass fibre molybdic tailing by weight percent
90%th, cement 5%, starch grafted polyacrylamide copolymer 3%, glass fibre 2% are uniformly mixed, obtain mixture, the molybdenum tail
Ore deposit fineness is -0.074mm90%；
B. it is molded：The mixture configured is added in into nodulizer, and it is spherical in shape to add in water stirring, the additive amount of water is molybdic tailing,
Cement, starch grafted polyacrylamide copolymer, glass fibre gross mass 8%；
C. conserve：It will under field conditions (factors) be conserved 3 days after shaping pellet, obtain the molybdic tailing sphere of powder.
The molybdic tailing pervious concrete preparation method, comprises the following steps：
（1）By the molybdic tailing sphere of powder, molybdenum ore barren rock, cement, epoxy resin, basalt fibre according to mass percent：Molybdic tailing powder
Ball：Molybdenum ore barren rock：Cement：Epoxy resin：Basalt fibre=40%：35%：20%：3%：2% is added to mixing in concrete mixer
Uniformly, mixture is obtained；
（2）The water of mixture quality 7% is added in mixer, is sufficiently stirred 15min；
（3）The water-reducing agent of cement quality 4% is added in mixer again, is sufficiently stirred 2min, molybdic tailing is obtained and is granulated permeable mix
Solidifying soil.
Molybdic tailing pervious concrete porosity 30.13% obtained, coefficient of permeability 0.035cm/s, compression strength
35.91MPa, compression strength is 30.31MPa after 25 Frozen-thawed cycleds.
Embodiment 2
A kind of molybdic tailing pervious concrete is present embodiments provided, is mainly prepared by the raw material of following mass percent：Molybdenum
The tailing sphere of powder 35%, molybdenum ore barren rock 40%, cement 18%, epoxy resin 6%, basalt fibre 1%.
Wherein, the molybdic tailing sphere of powder is prepared by following steps：
A. batch mixing：By molybdic tailing, cement, starch grafted polyacrylamide copolymer, glass fibre molybdic tailing by weight percent
93%th, cement 4%, starch grafted polyacrylamide copolymer 2%, glass fibre 1% are uniformly mixed, obtain mixture, the molybdenum tail
Ore deposit fineness is -0.074mm80%；
B. it is molded：The mixture configured is added in into nodulizer, and it is spherical in shape to add in water stirring, the additive amount of water is molybdic tailing,
Cement, starch grafted polyacrylamide copolymer, glass fibre gross mass 10%；
C. conserve：It will under field conditions (factors) be conserved 3 days after shaping pellet, obtain the molybdic tailing sphere of powder.
The molybdic tailing pervious concrete preparation method, comprises the following steps：
（1）By the molybdic tailing sphere of powder, molybdenum ore barren rock, cement, epoxy resin, basalt fibre according to mass percent：Molybdic tailing powder
Ball：Molybdenum ore barren rock：Cement：Epoxy resin：Basalt fibre=35%：40%：18%：6%：1% is added to mixing in concrete mixer
Uniformly, mixture is obtained；
（2）The water of mixture quality 6% is added in mixer, is sufficiently stirred 12min；
（3）The water-reducing agent of cement quality 3% is added in mixer again, is sufficiently stirred 1.5min, it is permeable to obtain molybdic tailing granulation
Concrete.
Molybdic tailing pervious concrete porosity 29.91% obtained, coefficient of permeability 0.034cm/s, compression strength
36.57MPa compression strength is 30.70MPa after 25 Frozen-thawed cycleds.
Embodiment 3
A kind of molybdic tailing pervious concrete is present embodiments provided, is mainly prepared by the raw material of following mass percent：Molybdenum
The tailing sphere of powder 30%, molybdenum ore barren rock 45%, cement 15%, epoxy resin 9%, basalt fibre 1%.
Wherein, the molybdic tailing sphere of powder is prepared by following steps：
A. batch mixing：By molybdic tailing, cement, starch grafted polyacrylamide copolymer, glass fibre molybdic tailing by weight percent
95%th, cement 3%, starch grafted polyacrylamide copolymer 1 %, glass fibre 1% are uniformly mixed, obtain mixture, the molybdenum tail
Ore deposit fineness is -0.074mm70%；
B. it is molded：The mixture configured is added in into nodulizer, and it is spherical in shape to add in water stirring, the additive amount of water is molybdic tailing,
Cement, starch grafted polyacrylamide copolymer, glass fibre gross mass 12%；
C. conserve：It will under field conditions (factors) be conserved 3 days after shaping pellet, obtain the molybdic tailing sphere of powder.
The molybdic tailing pervious concrete preparation method, comprises the following steps：
（1）By the molybdic tailing sphere of powder, molybdenum ore barren rock, cement, epoxy resin, basalt fibre according to mass percent：Molybdic tailing powder
Ball：Molybdenum ore barren rock：Cement：Epoxy resin：Basalt fibre=30%：45%：15%：9%：1% is added to mixing in concrete mixer
Uniformly, mixture is obtained；
（2）The water of mixture quality 5% is added in mixer, is sufficiently stirred 10min；
（3）The water-reducing agent of cement quality 2% is added in mixer again, is sufficiently stirred 1min, molybdic tailing is obtained and is granulated permeable mix
Solidifying soil.
Molybdic tailing pervious concrete porosity 29.20% obtained, coefficient of permeability 0.033cm/s, compression strength
37.15MPa, compression strength is 31.28MPa after 25 Frozen-thawed cycleds.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of molybdic tailing pervious concrete, is mainly prepared by the raw material of following mass percent：The molybdic tailing sphere of powder 30% ~
40%th, molybdenum ore barren rock 35% ~ 45%, cement 15% ~ 20%, epoxy resin 3% ~ 9%, basalt fibre 1% ~ 2%.
2. molybdic tailing pervious concrete according to claim 1, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 40%, molybdenum ore barren rock 35%, cement 20%, epoxy resin 3%, basalt fibre 2%.
3. molybdic tailing pervious concrete according to claim 1, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 35%, molybdenum ore barren rock 40%, cement 18%, epoxy resin 6%, basalt fibre 1%.
4. molybdic tailing pervious concrete according to claim 1, is mainly prepared by the raw material of following mass percent：
The molybdic tailing sphere of powder 30%, molybdenum ore barren rock 45%, cement 15%, epoxy resin 9%, basalt fibre 1%.
5. the molybdic tailing pervious concrete according to any one of claim 1-4, it is characterised in that：The molybdic tailing sphere of powder
It is prepared by following steps：
A. batch mixing：By molybdic tailing, cement, starch grafted polyacrylamide copolymer, glass fibre molybdic tailing by weight percent
90% ~ 95%, cement 3% ~ 5%, starch grafted polyacrylamide copolymer 1 % ~ 3%, glass fibre 1% ~ 2% are uniformly mixed, are mixed
Close material；
B. it is molded：The mixture configured is added in into nodulizer, and it is spherical in shape to add in water stirring, the additive amount of water is molybdic tailing,
Cement, starch grafted polyacrylamide copolymer, glass fibre gross mass 8% ~ 12%；
C. conserve：It will under field conditions (factors) be conserved 3 days after shaping pellet, obtain the molybdic tailing sphere of powder.
6. the preparation method of the molybdic tailing sphere of powder according to claim 5, it is characterised in that：The step A molybdic tailing fineness
For -0.074mm70% ~ 90%, glass fibre length 1mm ~ 3mm, cement model P.O 42.5.
7. the preparation method of the molybdic tailing sphere of powder according to claim 5, it is characterised in that：The step C molybdic tailing spheres of powder
Granularity is 3mm ~ 5mm.
8. a kind of molybdic tailing pervious concrete preparation method, comprises the following steps：
（1）By the molybdic tailing sphere of powder, molybdenum ore barren rock, cement, epoxy resin, basalt fibre according to mass percent：Molybdic tailing powder
Ball：Molybdenum ore barren rock：Cement：Epoxy resin：Basalt fibre=30% ~ 40%：35%~45%：15%~20%：3%~9%：1% ~ 2% is added to
It is uniformly mixed in concrete mixer；
（2）The water of mixture quality 5% ~ 7% is added in mixer, is sufficiently stirred 10min-15min；
（3）The water-reducing agent of cement quality 2% ~ 4% is added in mixer again, is sufficiently stirred 1min ~ 2min, molybdic tailing is obtained and makes
Grain pervious concrete.
9. a kind of molybdic tailing pervious concrete preparation method according to claim 8, it is characterised in that：The step（1）
Molybdenum ore barren rock granularity is 5mm-15mm, basalt fibre length 5mm ~ 10mm, cement model P.O 32.5.
10. a kind of molybdic tailing pervious concrete preparation method according to claim 8, it is characterised in that：The step（3）
Water-reducing agent is high-efficiency water-reducing agent of poly-carboxylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711447355.5A CN108046708A (en) | 2017-12-27 | 2017-12-27 | A kind of molybdic tailing pervious concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711447355.5A CN108046708A (en) | 2017-12-27 | 2017-12-27 | A kind of molybdic tailing pervious concrete and preparation method thereof |
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Family
ID=62128267
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645666A (en) * | 2020-12-23 | 2021-04-13 | 筑友智造科技投资有限公司 | Self-compacting mortar and preparation method thereof |
| RU2766326C1 (en) * | 2021-06-28 | 2022-03-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования Северо-Кавказский горно-металлургический институт государственный технологический университет | Raw mix for the manufacture of concrete |
| CN115286964A (en) * | 2022-03-23 | 2022-11-04 | 商洛学院 | Heat-preservation stone-like paint taking molybdenum tailings and molybdenum ore waste stone machine-made sand as aggregate, preparation method of heat-preservation stone-like paint and coating system containing heat-preservation stone-like paint |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747108A (en) * | 2016-12-30 | 2017-05-31 | 安徽华普环境修复材料科技有限公司 | A kind of high intensity pervious concrete brick |
| CN107141009A (en) * | 2017-05-08 | 2017-09-08 | 北京科技大学 | A kind of ceramic water-permeable brick preparation method of use prilling |
-
2017
- 2017-12-27 CN CN201711447355.5A patent/CN108046708A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747108A (en) * | 2016-12-30 | 2017-05-31 | 安徽华普环境修复材料科技有限公司 | A kind of high intensity pervious concrete brick |
| CN107141009A (en) * | 2017-05-08 | 2017-09-08 | 北京科技大学 | A kind of ceramic water-permeable brick preparation method of use prilling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645666A (en) * | 2020-12-23 | 2021-04-13 | 筑友智造科技投资有限公司 | Self-compacting mortar and preparation method thereof |
| RU2766326C1 (en) * | 2021-06-28 | 2022-03-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования Северо-Кавказский горно-металлургический институт государственный технологический университет | Raw mix for the manufacture of concrete |
| CN115286964A (en) * | 2022-03-23 | 2022-11-04 | 商洛学院 | Heat-preservation stone-like paint taking molybdenum tailings and molybdenum ore waste stone machine-made sand as aggregate, preparation method of heat-preservation stone-like paint and coating system containing heat-preservation stone-like paint |
| CN115286964B (en) * | 2022-03-23 | 2023-04-07 | 商洛学院 | Heat-preservation real stone paint taking molybdenum tailings and molybdenum ore waste stone machine-made sand as aggregate, preparation method of heat-preservation real stone paint and coating system containing heat-preservation real stone paint |
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Application publication date: 20180518 |
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