CN111718165A - Wet-mixed mortar doped with ceramic sand fine aggregate and preparation method thereof - Google Patents
Wet-mixed mortar doped with ceramic sand fine aggregate and preparation method thereof Download PDFInfo
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- CN111718165A CN111718165A CN202010577699.3A CN202010577699A CN111718165A CN 111718165 A CN111718165 A CN 111718165A CN 202010577699 A CN202010577699 A CN 202010577699A CN 111718165 A CN111718165 A CN 111718165A
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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
- C04B18/023—Fired or melted materials
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention belongs to the technical field of building materials, and particularly relates to wet-mixed mortar doped with ceramic sand fine aggregate and a preparation method thereof, wherein the wet-mixed mortar is formed by mixing and stirring sand, a cementing material, an additive and water; the sand consists of ceramic sand and natural sand; the cementing material consists of cement and fly ash; the raw materials are proportioned according to the mass portion: 300-600 parts of ceramic sand, 700-1000 parts of natural sand, 150-240 parts of cement, 40-130 parts of fly ash, 6-14 parts of an additive and 130-270 parts of water; compared with the prior art, the invention can greatly reduce the cost of the mortar, save the use of the traditional natural sand and simultaneously improve the physical performance and the construction efficiency of the mortar.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to wet-mixed mortar doped with ceramic sand fine aggregate and a preparation method thereof.
Background
All components of the wet-mixed mortar are metered and mixed in a concrete mixing plant computer control system in a scientific ratio strictly in a professional factory. The material is reasonable, the burdening is accurate, the quality is stable, and the integral strength discreteness is small; the mortar has good water retention and workability and is easy to construct; the material loss and waste are less, and the cost is saved by utilization; the dust and noise pollution of a construction site is reduced, the air quality of the urban environment is improved, and civilized construction management is facilitated. Is an environment-friendly and green product in the true sense and has huge market potential.
With the acceleration of urbanization, the exploitation of large quantities of natural sand not only poses serious environmental problems, but also causes serious shortage of natural sand resources. The tense and normalized sand is more expensive and more demanding, and a new sand source is needed.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides wet-mixed mortar doped with ceramic sand fine aggregate, which not only provides a stable wet-mixed mortar product with excellent performance, but also can solve the problem of excessive dependence on natural sand and realize economic and environmental benefits.
The technical act of the present invention is as follows:
the wet-mixed mortar doped with the ceramic sand fine aggregate comprises the following raw materials in parts by mass: 300-600 parts of ceramic sand, 400-1000 parts of natural sand, 150-240 parts of cement, 40-130 parts of fly ash, 6-14 parts of an additive and 130-270 parts of water.
Preferably, the wet-mixed mortar comprises the following raw materials in parts by weight: 550 parts of ceramic sand, 750 parts of natural sand, 180 parts of cement, 100 parts of fly ash, 10 parts of an additive and 240 parts of water.
Preferably, the pottery sand is prepared by taking fly ash, sludge, engineering waste soil and the like as raw materials, mixing, granulating, calcining at high temperature and screening the raw materials, wherein the particle size of the pottery sand is less than 4.75mm, and the fineness modulus is 2.1-2.9. The pottery sand grain shape is smooth, the mortar stirring time can be reduced, the unit energy consumption is saved, and meanwhile, the mortar workability and the construction property are greatly improved. In addition, the surface of the ceramic sand is rough, the contact reaction area with cement paste is increased, the binding force of the ceramic sand and the cement paste is enhanced, and the strength of the mortar body is increased. The addition of the ceramic sand also improves the characteristics of heat preservation, heat insulation, frost resistance, durability and the like of the mortar. The main components of the ceramic sand are SiO2, mullite and the like, the ceramic sand interface can react with cement slurry under the alkaline condition of cement mortar, meanwhile, the surface of the ceramic sand is rough, the reaction area is enlarged, the binding force between the ceramic sand and the slurry is increased, and the strength of the mortar body is improved. In addition, the ceramic sand has the advantages of heat preservation and insulation, excellent alkali-resistant aggregate reactivity, low water absorption, good frost resistance and durability and the like, and the application of the ceramic sand in wet-mixed mortar also improves the characteristics of heat preservation, frost resistance, durability and the like of the mortar. The pottery sand is self-spherical or oval, and can improve the mixing state and the application property of the mortar when being applied to wet-mixed mortar.
Preferably, the natural sand is one of river sand, river broken and whole molding sand and lake sand, and further preferably, the particle size of the natural sand is less than 4.75mm, and the fineness modulus is 1.2-2.3.
Preferably, the cement type is P · O42.5.
Preferably, the additive is MT-Y1 additive produced by Hengfeng thermoelectricity company.
A preparation method of wet-mixed mortar doped with ceramic sand fine aggregate comprises the following steps:
step (1): mixing the ceramic sand, the natural sand, the cement and the fly ash, and uniformly stirring;
step (2): and (2) adding an additive and water into the step (1), forcibly stirring for 90-120 s, and ensuring that the materials are fully mixed to obtain the wet-mixed mortar.
Under the background of shortage of natural sand, merchants are often filled with the natural sand, the quality stability of the natural sand is poor, the quality of wet-mixed mortar is unstable, the production and the property of ceramic sand are stable, and the condition that the mortar is unstable due to the instability of raw materials is relieved. According to the invention, the ceramic sand is used for replacing natural sand to be applied to the wet-mixed mortar, so that the conditions of natural sand source shortage, unstable sand quality and the like can be effectively relieved, and stable production is ensured; secondly, when the ceramic sand is applied to wet-mixed mortar, compared with the wet-mixed mortar only using natural sand, the cost of raw materials is reduced by about 5%, the energy consumption of production is reduced by 20%, the construction performance of products is greatly improved, and the strength is equivalent or even improved; more importantly, the great application of the ceramic sand in the wet-mixed mortar accelerates the consumption of solid wastes such as fly ash, sludge, engineering waste soil and the like used for preparing the ceramic sand and promotes the environmental protection.
The invention provides a new raw material selection, which can reduce the exploitation and use of natural sand, reduce the dependence on the natural sand and actively respond to the national environmental protection policy, reduce the production cost and improve the economic benefit.
Detailed Description
The present invention will be better understood with reference to the following detailed description, which further highlights the advantages of the invention. The embodiments of the present invention are only examples, and do not limit the scope of the present invention, and those skilled in the art may make various changes or modifications within the scope of the claims without affecting the spirit of the present invention.
The ceramic sand in the following embodiments is the ceramic sand produced by Hengfeng thermoelectricity company in Boxing county, the particle size of the ceramic sand is less than 4.75mm, and the fineness modulus is 2.1-2.9; the type of the cement is P.O 42.5; the particle sizes of river sand, river broken molding sand and lake sand are all less than 4.75mm, and the fineness modulus is 1.2-2.3; the additive is MT-Y1 additive produced by Shandong Langmuin New Material Co.
Example 1
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 350 parts of ceramic sand, 1000 parts of river sand, 160 parts of cement, 110 parts of fly ash, 12 parts of an additive and 230 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the ceramic sand, river sand, cement and fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), and forcibly stirring for 100s to uniformly stir the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Example 2
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 400 parts of ceramic sand, 900 parts of fluvial broken molding sand, 170 parts of cement, 110 parts of fly ash, 11 parts of an additive and 225 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the pottery sand, the broken and whole river sand, the cement and the fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), and forcibly stirring for 100s to uniformly stir the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Example 3
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 500 parts of ceramic sand, 850 parts of lake sand, 200 parts of cement, 80 parts of fly ash, 10 parts of an additive and 240 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the ceramic sand, the lake sand, the cement and the fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), forcibly stirring for 95s, and uniformly stirring the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Example 4
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 600 parts of ceramic sand, 750 parts of river sand, 160 parts of cement, 110 parts of fly ash, 8 parts of an additive and 230 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the ceramic sand, river sand, cement and fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), forcibly stirring for 90s, and uniformly stirring the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Example 5
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 350 parts of ceramic sand, 1000 parts of fluvial broken molding sand, 160 parts of cement, 110 parts of fly ash, 12 parts of an additive and 230 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the pottery sand, the broken and whole river sand, the cement and the fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), forcibly stirring for 120s, and uniformly stirring the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Example 6
The wet-mixed mortar doped with the ceramic sand fine aggregate is composed of the following raw materials in parts by weight: 550 parts of ceramic sand, 750 parts of lake sand, 180 parts of cement, 100 parts of fly ash, 10 parts of an additive and 240 parts of water;
the preparation method comprises the following steps:
(1) uniformly stirring the ceramic sand, the lake sand, the cement and the fly ash to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), forcibly stirring for 90s, and uniformly stirring the materials to obtain the wet-mixed mortar doped with the ceramic sand fine aggregate.
Comparative example 1
A preparation method of common wet-mixed mortar without doping ceramic sand fine aggregate comprises the following steps:
(1) the wet-mixed mortar without the ceramic sand fine aggregate is prepared from the following raw materials in parts by weight: 1350 parts of natural sand, 210 parts of cement, 70 parts of fly ash, 10 parts of an additive and 250 parts of water, and uniformly stirring the raw materials to obtain a mixture;
(2) and (3) adding an additive and water into the mixture in the step (1), forcibly stirring for 110s, and uniformly stirring the materials to obtain the wet-mixed mortar without the ceramic sand fine aggregate.
Table 1 shows the results of the performance tests of examples and comparative examples;
table 1: performance test results of wet-mixed mortar
| Serial number | Volume weight kg/m3 | Consistency/mm | Water retention rate/%) | 28d strength |
| Example 1 | 1870 | 95 | 89.3 | 10.5 |
| Example 2 | 1850 | 90 | 90.1 | 11.2 |
| Example 3 | 1840 | 85 | 90.2 | 14.9 |
| Example 4 | 1820 | 95 | 89.9 | 11.5 |
| Example 5 | 1890 | 90 | 91.0 | 10.2 |
| Example 6 | 1780 | 90 | 90.5 | 15.2 |
| Comparative example 1 | 1925 | 90 | 89.8 | 10.1 |
From the above table, it can be clearly shown that the wet-mixed mortar using the ceramic sand instead of a part of the natural sand is equivalent in consistency, water retention and strength. According to the invention, the pottery sand is used for replacing part of natural sand, so that the conditions of natural sand source shortage, unstable sand quality and the like can be effectively relieved, and stable production is ensured; when the ceramic sand is applied to wet-mixed mortar, the raw material cost is reduced by about 5%, the production energy consumption is reduced by 20%, the product construction performance is greatly improved, and the strength is equivalent to or even improved to a certain extent compared with that of comparative example 1.
The invention provides a new raw material selection, which can reduce the exploitation and use of natural sand, reduce the dependence on the natural sand, actively respond to the national environmental protection policy, reduce the production cost and improve the economic benefit.
Claims (7)
1. The wet-mixed mortar doped with the ceramic sand fine aggregate is characterized by comprising the following raw materials in parts by mass: 300-600 parts of ceramic sand, 400-1000 parts of natural sand, 150-240 parts of cement, 40-130 parts of fly ash, 6-14 parts of an additive and 130-270 parts of water.
2. The wet-mixed mortar doped with ceramic sand fine aggregate according to claim 1, which is characterized by comprising the following raw materials in parts by mass: 550 parts of ceramic sand, 750 parts of natural sand, 180 parts of cement, 100 parts of fly ash, 10 parts of an additive and 240 parts of water.
3. The wet-mixed mortar doped with ceramic sand fine aggregate according to claim 1, wherein the ceramic sand has a particle size of less than 4.75mm and a fineness modulus of 2.1-2.9.
4. The wet-mixed mortar doped with ceramic sand fine aggregate according to claim 1, wherein the natural sand is one of river sand, river broken and whole sand, and lake sand.
5. The wet-mixed mortar doped with ceramic sand fine aggregate according to claim 3, wherein the natural sand has a particle size of less than 4.75mm and a fineness modulus of 1.2-2.3.
6. The wet-mixed mortar doped with ceramic sand fine aggregate according to claim 1, wherein the cement type is P.O 42.5.
7. The method for preparing wet-mixed mortar doped with ceramic sand fine aggregate as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
step (1): mixing the ceramic sand, the natural sand, the cement and the fly ash, and uniformly stirring to obtain a mixture;
step (2): and (2) adding an additive and water into the mixture obtained in the step (1), and forcibly stirring for 90-120 s to ensure that the materials are fully mixed, thereby obtaining the wet-mixed mortar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577699.3A CN111718165A (en) | 2020-06-22 | 2020-06-22 | Wet-mixed mortar doped with ceramic sand fine aggregate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010577699.3A CN111718165A (en) | 2020-06-22 | 2020-06-22 | Wet-mixed mortar doped with ceramic sand fine aggregate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432970A (en) * | 2022-09-05 | 2022-12-06 | 中交一公局集团有限公司 | Self-compacting impervious pottery sand mortar |
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| CN101508543A (en) * | 2009-03-24 | 2009-08-19 | 武汉地产开发投资集团有限公司 | Mortar special for light insulating brick construction and method of producing the same |
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN105418011A (en) * | 2015-11-24 | 2016-03-23 | 中建商品混凝土西安有限公司 | Wet-mixed mortar doped with recycled fine aggregate |
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2020
- 2020-06-22 CN CN202010577699.3A patent/CN111718165A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101508543A (en) * | 2009-03-24 | 2009-08-19 | 武汉地产开发投资集团有限公司 | Mortar special for light insulating brick construction and method of producing the same |
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN105418011A (en) * | 2015-11-24 | 2016-03-23 | 中建商品混凝土西安有限公司 | Wet-mixed mortar doped with recycled fine aggregate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432970A (en) * | 2022-09-05 | 2022-12-06 | 中交一公局集团有限公司 | Self-compacting impervious pottery sand mortar |
| CN115432970B (en) * | 2022-09-05 | 2023-10-31 | 中交一公局集团有限公司 | Self-compacting impervious ceramic sand mortar |
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