CN113666655A - Material for promoting geopolymer molding in high-humidity environment and preparation method thereof - Google Patents
Material for promoting geopolymer molding in high-humidity environment and preparation method thereof Download PDFInfo
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- CN113666655A CN113666655A CN202110885741.2A CN202110885741A CN113666655A CN 113666655 A CN113666655 A CN 113666655A CN 202110885741 A CN202110885741 A CN 202110885741A CN 113666655 A CN113666655 A CN 113666655A
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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
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/005—Geopolymer cements, e.g. reaction products of aluminosilicates with alkali metal hydroxides or silicates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
- C04B18/145—Phosphorus 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
- 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
- C04B28/006—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 mineral polymers, e.g. geopolymers of the Davidovits type
-
- 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
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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 discloses a material for promoting geopolymer molding in a high-humidity environment and a preparation method thereof, wherein the raw materials comprise solid waste, an exciting agent, an additive and water; the solid waste is industrial solid waste and comprises fly ash and phosphorus tailing sand; the excitant is an alkaline excitant and is one of a sodium hydroxide excitant, a sodium hydroxide-silica fume composite excitant and a water glass excitant; the additive is xanthan gum, and the addition amount of the additive is 1% of that of the solid waste; the mass ratio (water-solid ratio) of water to solid waste is 0.5-0.75. The invention improves the feasibility of manufacturing the geopolymer grouting filling material by the solid waste, solves the problem that the goaf grouting filling material is difficult to form in the actual grouting process, improves the forming degree of the geopolymer in a high-humidity environment, shortens the final setting time, can consume the industrial solid waste, and simultaneously carries out goaf repair and treatment. The raw material of the invention is industrial solid waste, the price is low, and the source is wide.
Description
Technical Field
The invention relates to the technical field of geopolymer preparation and application, in particular to a material for promoting geopolymer molding in a high-humidity environment and a preparation method thereof.
Background
The geopolymer is a three-dimensional network polymeric gelled material which is formed by mineral condensation polymerization under high alkaline conditions and consists of silicon-oxygen tetrahedron and aluminum-oxygen tetrahedron by using natural minerals or solid wastes and artificial silicon-aluminum compounds as raw materials. Compared with portland cement, geopolymer has the advantages of rich material source, simple preparation process, low production power consumption, low three waste discharge, high strength, high durability, easily available raw materials, low cost, etc. Therefore, in recent years, relevant scholars at home and abroad develop a series of researches on the application of geopolymer to goaf filling and grouting materials. The geopolymer prepared by the solid wastes such as the fly ash, the coal gangue and the like is often used for goaf treatment, so that the goaf activation problem is solved, and a large amount of mine solid wastes are digested. With the continuous and deep research and application of geopolymer preparation technology, geopolymers become hot spots for researching novel green cementing materials at home and abroad by virtue of excellent preparation and cementing properties, and the geopolymers are used for preparing grouting materials to replace cement in the traditional grouting materials, so that the geopolymers have great development prospects.
However, in the practical application process, the goaf environment is found to be special, a large amount of old goaf water exists, the overall goaf humidity is high, and the temperature is low. Therefore, in the actual test process, the geopolymer grouting material has the problem of poor forming in a low-temperature and high-humidity environment, and the test block still has the phenomenon of softness and dryness after being cured in a curing box under simulated conditions (25 ℃, 98 +/-1 percent of humidity) for 28 days. With the intensive research of the polymer grouting material, the factors influencing the formation of geopolymers, such as water-solid ratio, temperature, alkali concentration and modulus of an alkali activator, are found.
Disclosure of Invention
The present invention has been made to overcome the above problems and an object of the present invention is to provide a material for promoting polymer molding in a high-humidity environment and a method for producing the same. In order to achieve the purpose, the invention adopts the following technical scheme:
a material for promoting the formation of geopolymers in high-humidity environment is prepared from solid waste, exciting agent, additive and water;
the solid waste is industrial solid waste and comprises fly ash and phosphorus tailing sand;
the excitant is an alkaline excitant and is one of a sodium hydroxide excitant, a sodium hydroxide-silica fume composite excitant and a water glass excitant;
the additive is xanthan gum, and the addition amount of the additive is 1% of that of the solid waste;
the mass ratio (water-solid ratio) of the water to the solid waste is 0.5-0.75.
The invention also discloses a preparation method of the material for promoting the formation of the geopolymer in the high-humidity environment, which comprises the following steps:
s1, drying the fly ash and the phosphorus tailing sand at 105 ℃ for 12 hours, and cooling, crushing and grinding the dried solid waste raw materials to 200 meshes;
s2, weighing industrial solid wastes such as coal ash, phosphorus tailing sand and the like in a mass ratio of 1:1 to serve as mixed aggregates of the geopolymer;
s3, preparing an exciting agent;
s4, mixing the prepared excitant with the pulverized coal ash and the phosphorus tailing sand (200 meshes) which are dried and ground, adding 1 wt% of xanthan gum geopolymer additive, uniformly mixing and stirring for 10min, injection molding after stirring, and curing and forming in a high-humidity environment (25 ℃, 98 +/-1% of humidity).
As an improvement, when the sodium hydroxide is used as an activator, the sodium hydroxide activator contains water and sodium hydroxide (Na is used)2Calculated as O) is 20 to 25.
As an improvement, when the sodium hydroxide-silica fume is used as an excitantWater and sodium hydroxide (as Na)2O) is 20-25, and silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2Calculated as O) is 2.
As an improvement, when the water glass is used as an excitant, the water and sodium hydroxide (Na is used)2Calculated by O) is 20-25, and the modulus of the water glass is 2.
As an improvement, the method for preparing the sodium hydroxide excitant in the S3 comprises the following steps: determining the addition amount of mixed aggregate, determining the addition amount of water in the activator according to the water-solid ratio, and determining the addition amount of water and sodium hydroxide (as Na) according to the water and sodium hydroxide2O) of the activator, water and sodium hydroxide (as Na)2Calculated as O) is 20 to 25.
As an improvement, the method for preparing the sodium hydroxide-silica fume excitant in the S3 comprises the following steps: determining the addition amount of mixed aggregate, determining the addition amount of water in the activator according to the water-solid ratio, and determining the addition amount of water and sodium hydroxide (as Na) according to the water and sodium hydroxide2O) is determined, and the addition amount of sodium hydroxide in the exciting agent is determined according to the molar ratio of silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2O) the amount of silica fume added, water and sodium hydroxide (as Na)2O) is 20-25, and silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2Calculated as O) is 2.
As an improvement, the method for preparing the sodium hydroxide-silica fume excitant in the S3 comprises the following steps: determining the addition amount of mixed aggregate, determining the addition amount of additional water in the activator according to the modulus and water-solid ratio of water glass, and determining the addition amount of water and sodium hydroxide (as Na)2O) determines the additional amount of sodium hydroxide added to the booster, water and sodium hydroxide (as Na)2Calculated as O) is 20 to 25.
The invention has the advantages that:
1. economic benefits are as follows: the raw material of the invention is industrial solid waste, the price is low, and the source is wide.
2. Environmental protection benefit: the invention not only consumes the storage capacity of a large amount of solid waste, improves the comprehensive utilization amount of the solid waste, reduces the environmental hazard caused by solid waste accumulation, and improves the environmental protection benefit.
3. The practicability is as follows: the invention improves the feasibility of manufacturing the geopolymer grouting filling material by the solid waste, solves the problem that the goaf grouting filling material is difficult to form in the actual grouting process, improves the forming degree of the geopolymer in a high-humidity environment, shortens the final setting time, can consume the industrial solid waste, and simultaneously carries out goaf repair and treatment.
Detailed Description
The present invention will be described in detail and specifically with reference to the following examples so as to facilitate the understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
This example discloses a material for promoting the formation of geopolymers in high humidity environment and a method for preparing the same, and the initial setting and final setting time of geopolymers were measured.
The geopolymer material comprises: fly ash, phosphorus tailings sand, alkali activator and water, wherein the alkali activator is sodium hydroxide, the water-solid ratio is 0.5, and the water and the sodium hydroxide (by Na)2Calculated as O) was 20.
The preparation method of the geopolymer comprises the following steps:
s1, drying the fly ash and the phosphorus tailing sand at 105 ℃ for 12 hours, and removing water;
s2, cooling, crushing and grinding the dried raw materials to 200 meshes, weighing 250g of coal ash and 250g of phosphorus tailing sand respectively, weighing 55.56g of sodium hydroxide, and adding 250g of water to dissolve;
s3, mixing the weighed fly ash, the phosphorus tailings sand and the sodium hydroxide solution, adding 5g of xanthan gum, stirring for 10min, brushing oil on an empty test mold, injecting geopolymer slurry, and vibrating by a vibrating table to eliminate bubbles remained in the polymer so as to ensure the compactness of geopolymer filling, and putting the geopolymer into a curing box for curing, wherein the curing condition of the curing box is as follows: the temperature is 21 ℃ and the relative humidity is 98 +/-1%. And after 3d, removing the mold, and continuously putting the obtained geopolymer test block into a curing box for curing to 28d, wherein the final setting time of the geopolymer test block is measured.
Example 2
This example discloses a material for promoting the formation of geopolymers in high humidity environment and a method for preparing the same, and the initial setting and final setting time of geopolymers were measured.
The geopolymer material comprises: fly ash, phosphorus tailings sand, alkali activator and water, wherein the alkali activator is sodium hydroxide and silica fume, the water-solid ratio is 0.5, and the water and the sodium hydroxide (by Na)2O) was 25, silica fume (in SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2Calculated as O) is 2.
The preparation method of the geopolymer comprises the following steps:
s1, drying the fly ash and the phosphorus tailing sand at 105 ℃ for 12 hours, and removing water;
s2, cooling, crushing and grinding the dried raw materials to 200 meshes, and weighing 250g of coal ash and phosphorus tailing sand respectively;
s3, weighing 44.44g of sodium hydroxide and 66.67g of silica fume, adding 250g of water for dissolving, and heating and dissolving at 75 ℃ to prepare a composite exciting agent;
s4, mixing the weighed fly ash, the phosphorus tailing sand and the composite activator, adding 5g of xanthan gum, stirring for 10min, brushing oil on an empty test mold, injecting geopolymer slurry, and vibrating by a vibrating table to eliminate bubbles remained in the polymer so as to ensure the compactness of geopolymer filling, and putting the mixture into a curing box for curing, wherein the curing conditions of the curing box are as follows: the temperature is 21 ℃ and the relative humidity is 98 +/-1%. And after 3d, removing the mold, and continuously putting the obtained geopolymer test block into a curing box for curing to 28d, wherein the final setting time of the geopolymer test block is measured.
Example 3
This example discloses a material for promoting the formation of geopolymers in high humidity environment and a method for preparing the same, and the initial setting and final setting time of geopolymers were measured.
The geopolymer material comprises: fly ash, phosphorus tailings sand, alkali activator and water, wherein the original water glass used for preparing the alkali activator is 3.3 modules, the water-solid ratio is 0.5, and water and sodium hydroxide (taking Na as the raw material)2Calculated as O) is 25, and the modulus required for the preparation of the water glass excitant is 2.
The preparation method of the geopolymer comprises the following steps:
s1, drying the fly ash and the phosphorus tailing sand at 105 ℃ for 12 hours, and removing water;
s2, cooling, crushing and grinding the dried raw materials to 200 meshes, and weighing 250g of coal ash and phosphorus tailing sand respectively;
s3, weighing 239.37g of 3.3-mould industrial water glass solution and 17.19g of sodium hydroxide, and adding 96.42g of water to dissolve to prepare an exciting agent;
s4, mixing the weighed fly ash, the phosphorus tailing sand and the exciting agent, adding 5g of xanthan gum, stirring for 10min, brushing oil on an empty test mold, injecting geopolymer slurry, and vibrating by using a vibrating table to eliminate bubbles remained in the polymer so as to ensure the compactness of geopolymer filling, and putting the geopolymer into a curing box for curing, wherein the curing condition of the curing box is as follows: the temperature is 21 ℃ and the relative humidity is 98 +/-1%. And after 3d, removing the mold, and continuously putting the obtained geopolymer test block into a curing box for curing to 28d, wherein the final setting time of the geopolymer test block is measured.
The initial and final set of the geopolymers obtained in examples 1, 2 and 3 were tested, the test methods and the resulting performance data are shown in the following table:
according to the above table, the initial and final setting time of the industrial waste geopolymer produced by using the components and the formula provided by the invention is shorter in a normal-temperature high-humidity environment, compared with the existing goaf grouting material, the geopolymer material provided by the invention can be quickly formed under the condition of 98 +/-1%, the forming condition of the geopolymer under high humidity is improved, the overall construction performance is excellent, a wide development prospect is provided for the wide application of the geopolymer in underground engineering, and the geopolymer has a higher practical application value.
The embodiments of the present invention have been described in detail above, but they are merely exemplary, and the present invention is not equivalent to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, it is intended that all equivalent alterations and modifications be included within the scope of the invention, without departing from the spirit and scope of the invention.
Claims (8)
1. A material for promoting the formation of polymers in a high-humidity environment, characterized in that the raw materials comprise solid waste, an activator, an additive and water;
the solid waste is industrial solid waste and comprises fly ash and phosphorus tailing sand;
the excitant is an alkaline excitant and is one of a sodium hydroxide excitant, a sodium hydroxide-silica fume composite excitant and a water glass excitant;
the additive is xanthan gum, and the addition amount of the additive is 1% of that of the solid waste;
the mass ratio (water-solid ratio) of the water to the solid waste is 0.5-0.75.
2. The material for promoting polymer molding in a high-humidity environment according to claim 1, wherein when said sodium hydroxide is used as an activator, said sodium hydroxide activator contains water and sodium hydroxide (Na) as an activator2Calculated as O) is 20 to 25.
3. The material for promoting polymer molding in a high-humidity environment according to claim 1, wherein said sodium hydroxide-silica fume is used as an activator, and said water and sodium hydroxide (Na) are used as an activator2O) is 20-25, and silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2Calculated as O) is 2.
4. The material for promoting polymer molding in a high-humidity environment according to claim 1, wherein said water and sodium hydroxide (Na) are added when said water glass is used as an activator2Calculated by O) is 20-25, and the modulus of the water glass is 2.
5. A method for preparing a material for promoting polymer molding in a high-humidity environment according to claim 1, comprising the steps of:
s1, drying the fly ash and the phosphorus tailing sand at 105 ℃ for 12 hours, and cooling, crushing and grinding the dried solid waste raw materials to 200 meshes;
s2, weighing industrial solid wastes such as coal ash, phosphorus tailing sand and the like in a mass ratio of 1:1 to serve as mixed aggregates of the geopolymer;
s3, preparing an exciting agent;
s4, mixing the prepared excitant with the pulverized coal ash and the phosphorus tailing sand (200 meshes) which are dried and ground, adding 1 wt% of xanthan gum geopolymer additive, uniformly mixing and stirring for 10min, injection molding after stirring, and curing and forming in a high-humidity environment (25 ℃, 98 +/-1% of humidity).
6. The material for promoting the formation of geopolymers in high-humidity environment according to claim 5, wherein the method for preparing sodium hydroxide activator in S3 is as follows: determining the addition amount of mixed aggregate, determining the addition amount of water in the activator according to the water-solid ratio, and determining the addition amount of water and sodium hydroxide (as Na) according to the water and sodium hydroxide2O) of the activator, water and sodium hydroxide (as Na)2Calculated as O) is 20 to 25.
7. The material for promoting the formation of geopolymers in high-humidity environment according to claim 5, wherein the method for preparing sodium hydroxide-silica fume excitant in S3 is as follows: determining the addition amount of mixed aggregate, determining the addition amount of water in the activator according to the water-solid ratio, and determining the addition amount of water and sodium hydroxide (as Na) according to the water and sodium hydroxide2O) is determined, and the addition amount of sodium hydroxide in the exciting agent is determined according to the molar ratio of silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2O) the amount of silica fume added, water and sodium hydroxide (as Na)2O) is 20-25, and silica fume (calculated as SiO)2Calculated as Na) and sodium hydroxide (calculated as Na)2Calculated as O) is 2.
8. According to claim5, the method for preparing the sodium hydroxide-silica fume exciting agent in the S3 is characterized in that: determining the addition amount of mixed aggregate, determining the addition amount of additional water in the activator according to the modulus and water-solid ratio of water glass, and determining the addition amount of water and sodium hydroxide (as Na)2O) determines the additional amount of sodium hydroxide added to the booster, water and sodium hydroxide (as Na)2Calculated as O) is 20 to 25.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115477502A (en) * | 2022-09-15 | 2022-12-16 | 江门市俞嘉科技有限公司 | Process for producing water permeable bricks by utilizing solid wastes |
| CN115818994A (en) * | 2022-11-22 | 2023-03-21 | 南通河海大学海洋与近海工程研究院 | Silica fume base alkali activator and preparation method thereof |
| CN115893886A (en) * | 2022-11-22 | 2023-04-04 | 河海大学 | Solid waste base-activated cementing material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446045A (en) * | 2014-11-05 | 2015-03-25 | 武汉理工大学 | Alkali-activated cementing material and preparation method thereof |
| CN108249788A (en) * | 2017-12-21 | 2018-07-06 | 中国建筑材料科学研究总院有限公司 | Alkali-activated carbonatite cementitious material and preparation method thereof |
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2021
- 2021-08-03 CN CN202110885741.2A patent/CN113666655A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446045A (en) * | 2014-11-05 | 2015-03-25 | 武汉理工大学 | Alkali-activated cementing material and preparation method thereof |
| CN108249788A (en) * | 2017-12-21 | 2018-07-06 | 中国建筑材料科学研究总院有限公司 | Alkali-activated carbonatite cementitious material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115477502A (en) * | 2022-09-15 | 2022-12-16 | 江门市俞嘉科技有限公司 | Process for producing water permeable bricks by utilizing solid wastes |
| CN115818994A (en) * | 2022-11-22 | 2023-03-21 | 南通河海大学海洋与近海工程研究院 | Silica fume base alkali activator and preparation method thereof |
| CN115893886A (en) * | 2022-11-22 | 2023-04-04 | 河海大学 | Solid waste base-activated cementing material and preparation method thereof |
| CN115818994B (en) * | 2022-11-22 | 2023-11-21 | 南通河海大学海洋与近海工程研究院 | Silica fume base alkali excitant and preparation method thereof |
| CN115893886B (en) * | 2022-11-22 | 2024-01-23 | 河海大学 | Solid waste base alkali-activated cementing material and preparation method thereof |
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