CN115490473A - Ceramsite foam concrete and preparation method thereof - Google Patents
Ceramsite foam concrete and preparation method thereof Download PDFInfo
- Publication number
- CN115490473A CN115490473A CN202210167953.1A CN202210167953A CN115490473A CN 115490473 A CN115490473 A CN 115490473A CN 202210167953 A CN202210167953 A CN 202210167953A CN 115490473 A CN115490473 A CN 115490473A
- Authority
- CN
- China
- Prior art keywords
- ceramsite
- foam concrete
- sand
- concrete according
- foaming agent
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
-
- 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
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/16—Acids or salts thereof containing phosphorus in the anion, e.g. phosphates
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/10—Carbohydrates or derivatives thereof
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/34—Natural resins, e.g. rosin
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/20—Retarders
- C04B2103/22—Set retarders
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of C04B building materials, and particularly provides ceramsite foam concrete and a preparation method thereof. The concrete prepared by adopting the specific types of ceramsite, medium sand and fine sand and adding the foaming agent, the retarder and other auxiliaries has excellent compressive strength, durability, heat preservation and seismic resistance, has potential application prospects in the field of building construction, particularly in the field of building wall construction, and simultaneously provides a new method for preparing ceramic foam concrete.
Description
Technical Field
The invention relates to the technical field of C04B building materials, and particularly provides ceramsite foam concrete and a preparation method thereof.
Background
In recent years, with the increasing demands for the comprehensive performance of concrete in the building market, the demands for concrete are not limited to the flexural strength, but the demands for the quality, durability, heat insulation and shock resistance of concrete are gradually increased. Under the background, the ceramsite foam concrete has excellent fire resistance and impermeability, and is widely applied to the field of building processing. However, the problem that the ceramsite is easy to float upwards exists, and the quality of the ceramsite is improved by adopting a specific auxiliary agent in the prior art, so that the problem that the ceramsite is easy to float upwards is solved, but the cost is increased, and the mechanical property of the concrete is adversely affected. In addition, the ceramsite foam concrete in the prior art cannot meet the increasingly developed requirements in the field of building wall construction.
Chinese invention patent with patent publication No. CN108395274A discloses a lightweight high-strength ceramsite foam concrete and a preparation method thereof, in the disclosed patent, auxiliaries such as silica fume, fiber and a water repellent are added into a cement and fly ash system, the prepared concrete has light weight and high strength and can be considered at the same time, but in the scheme, a flocculating agent is introduced to avoid the phenomenon of floating of the ceramsite, the phenomenon of excessive aggregation of the ceramsite can occur, so that honeycombs and stone bags are caused, and the comprehensive quality of the concrete is reduced;
the invention discloses a foam concrete and a preparation method thereof, and the foam concrete is prepared from raw materials such as carbonized straws, basalt fibers, perlite, attapulgite and the like, wherein the raw materials are adopted in the patent with the publication number of CN108314365A, so that the problems that the lightweight concrete is easy to crack and large in shrinkage in the prior art are solved, but the compressive strength, the seismic performance and the heat preservation performance of the concrete are not reflected obviously, and the application of the lightweight concrete as the lightweight concrete in the field of building processing is limited.
Therefore, the light ceramsite foam concrete which is not easy to crack, has excellent compressive strength, earthquake resistance and heat insulation performance and has wide application prospect in the field of building construction, particularly the field of building wall construction is developed.
Disclosure of Invention
In order to solve the technical problems, the invention provides a ceramsite foam concrete, which comprises the following raw materials in parts by weight: 1-3 parts of Portland cement, 0.1-0.5 part of ceramsite, 0.01-0.05 part of retarder, 0.4-1 part of sand, 0.1-1 part of ash powder, 0.01-0.05 part of foaming agent, 0.01-0.05 part of water reducing agent and 0.5-1.5 parts of water.
In a preferred embodiment of the present invention, the portland cement is 52.5R portland cement.
As a preferred technology, the ceramsite comprises one or a combination of more of bauxite ceramsite, clay ceramsite, shale ceramsite, river bottom mud ceramsite, fly ash ceramsite and coal gangue ceramsite.
As a more preferable technical scheme of the invention, the ceramsite is clay ceramsite and fly ash ceramsite, and the weight ratio of the clay ceramsite to the fly ash ceramsite is (1.2-1.8): (0.2-0.6).
As a most preferable technical scheme, the weight ratio of the clay ceramsite to the fly ash ceramsite is 1.6:0.4.
as a preferable technical scheme of the invention, the particle size of the clay ceramsite is 5-50mm.
As a more preferable technical scheme of the invention, the particle size of the clay ceramsite is 10mm.
As a preferable technical scheme of the invention, the particle size of the fly ash ceramsite is 5-52mm.
As a more preferable technical scheme of the invention, the particle size of the fly ash ceramsite is 10mm.
As a preferable technical scheme, the retarder comprises one or a combination of more of calcium saccharate, gluconate, citrate, zinc salt, phosphate and lignosulfonate.
As a more preferable technical scheme of the invention, the retarder is composed of calcium saccharate and phosphate, and the weight ratio of the calcium saccharate to the phosphate is (0.5-1): (1-1.5).
As a most preferred technical solution of the present invention, the weight ratio of said sugar calcium and phosphate is 0.8:1.2.
as a preferable technical scheme of the invention, the phosphate comprises one or a combination of several of sodium hexametaphosphate, sodium tripolyphosphate and sodium pyrophosphate.
As a preferable technical scheme of the invention, the sand comprises one or a combination of more of coarse sand, medium sand and fine sand.
As a more preferable technical scheme of the invention, the sand is coarse sand and fine sand, and the weight ratio of the coarse sand to the fine sand is (1-5): 1.
as a most preferable technical scheme of the invention, the weight ratio of the coarse sand to the fine sand is 3.5:1.
as a preferable technical scheme of the invention, the granularity of the coarse sand is 10-50 meshes, and the granularity of the fine sand is 50-150 meshes.
As a more preferable technical scheme of the invention, the granularity of the coarse sand is 20-40 meshes, and the granularity of the fine sand is 70-110 meshes.
As a preferable technical scheme of the invention, the granularity of the ash powder is 200-600 meshes.
As a preferable technical scheme of the invention, the ash powder comprises one or a combination of more of fly ash, limestone powder and silica fume.
As a preferable technical scheme of the invention, the weight ratio of the portland cement, the sand and the ash powder is (2-3): (0.2-0.8):1.
The applicant finds that through reasonable compounding of portland cement, sand and ash powder, the workability and durability of concrete can be enhanced while the strength of the concrete is improved, and the problem that the concrete is easy to carbonize is effectively solved, and finds that through a large number of experiments, when coarse sand with the granularity of 20-40 and fine sand with the granularity of 70-110 are reasonably compounded to be used as sand, and when the weight ratio of the portland cement to the sand to the ash powder is 2.5 to 0.6, the added coarse sand and fine sand can be uniformly dispersed in a system, the water-cement ratio and the slump of the system are improved, the slurry bleeding phenomenon caused by falling off of the total fly ash of the system is effectively avoided, the porosity of the system is reduced, the carbonization phenomenon of the concrete is avoided, the crack resistance of the concrete is improved, and the service life of retarded soil is prolonged. In addition, the coarse sand, the fine sand and the fly ash in the system improve the interface strength among particles in the system through synergistic action, enhance the density of concrete and improve the compressive strength of the concrete.
As a preferable technical scheme, the foaming agent comprises one or a combination of several of sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate, sodium abietate and animal and vegetable protein foaming agents.
In a more preferred embodiment of the present invention, the foaming agent is sodium abietate.
As a preferable technical scheme of the invention, the weight ratio of the portland cement to the foaming agent is 2.5: (0.2-0.3).
The applicant finds that when sodium abietate is used as a foaming agent, and the weight ratio of the sodium abietate to portland cement is strictly controlled to be 2.5 to 0.037, stable and independent bubbles can be formed in a portland cement system wrapped with ceramsite, the heat preservation and anti-seismic performance of concrete can be improved, the slump in the system can be effectively controlled, the sodium abietate and portland cement synergistically act with coarse sand and medium sand in the system, the phenomenon that fly ash in the system is easy to float upwards is effectively avoided, in addition, the number of capillary pore channels in the system is reduced, the density in the concrete system is improved, the concrete durability is improved, the concrete compression resistance is also enhanced, the ceramic foam concrete compression resistance, the anti-seismic performance and the heat preservation performance are simultaneously considered, and the application range of the ceramic concrete in the construction field of light house walls is expanded.
As a preferred technical scheme, the water reducing agent comprises one or a combination of more of lignosulfonate water reducing agents, naphthalene high-efficiency water reducing agents, melamine high-efficiency water reducing agents, sulfamate high-efficiency water reducing agents, fatty acid high-efficiency water reducing agents and polycarboxylate high-efficiency water reducing agents.
As a preferable technical scheme, the water reducing agent is a naphthalene-based high-efficiency water reducing agent.
The second aspect of the invention provides a preparation method of ceramsite foam concrete, which comprises the following steps:
(1) Fully mixing the portland cement and the ceramsite to obtain cement wrapping the ceramsite;
(2) Mixing the cement wrapped with the ceramsite in the step (1) with a coagulant, sand, ash powder, a foaming agent, a water reducing agent and water, and fully stirring to obtain a mixture;
(3) And (3) placing the mixture obtained in the step (2) in a mould, and drying to obtain the ceramsite foam concrete.
Wherein, as a preferable technical scheme of the invention, the drying temperature in the step (3) is 45-55 ℃.
Compared with the prior art, the invention has the following beneficial effects:
1. the ceramsite foam concrete prepared by the invention is prepared by using the following components in a weight ratio of 1.6:0.4, particularly when the particle size of the clay ceramsite is 10mm and the particle size of the fly ash ceramsite is 10mm, the water-cement ratio in the system is improved, the water-cement heat of the system is reduced, and the compressive strength and the durability of the concrete are improved while the quality, the fire resistance, the heat insulation property and the shock resistance of the concrete are effectively reduced;
2. the ceramsite foam concrete prepared by the invention is prepared by adding the following components in a weight ratio of 0.8:1.2, the calcium saccharate and the sodium hexametaphosphate are mutually cooperated with a naphthalene water reducing agent in the body system, the addition amount is strictly controlled, the compression resistance of the concrete is improved, and simultaneously, the calcium saccharate and the sodium hexametaphosphate are cooperated with coarse sand and fine sand in the body system, the slump of the system is improved, the slurry bleeding phenomenon of the body system is avoided, and in addition, the problem that the ceramsite foam concrete in the prior art is easy to crack is solved;
3. when the fly ash is added into the system and the weight ratio of the portland cement to the sand to the ash in the system is controlled to be 2.5;
4. according to the ceramsite foam concrete prepared by the invention, when sodium abietate is used as a foaming agent, and the weight ratio of the sodium abietate to Portland cement is strictly controlled to be 2.5;
5. the ceramsite foam concrete prepared by the invention adopts clay ceramsite and fly ash ceramsite, wherein the particle sizes of the clay ceramsite and the fly ash ceramsite are 20-40 meshes and 70-110 meshes, and the clay ceramsite and the fly ash ceramsite have synergistic effects with sodium abietate, calcium saccharate, sodium hexametaphosphate and a naphthalene high-efficiency water reducing agent in a system, so that the problem that the fly ash is easy to float upwards is effectively solved, the phenomenon that the ceramic foam concrete is easy to crack is avoided, and the prepared concrete has excellent compressive strength, durability, heat preservation and earthquake resistance, and has potential application prospects in the field of building construction, especially in the field of construction of house walls.
Detailed Description
Examples
Examples1
Embodiment 1 provides a ceramsite foam concrete, which comprises the following components in parts by weight: 1 part of Portland cement, 0.1 part of ceramsite, 0.01 part of retarder, 0.4 part of sand, 0.1 part of ash, 0.01 part of foaming agent, 0.01 part of water reducing agent and 0.5 part of water.
The portland cement is 52.5R portland cement, available from texas midwik dam cement, inc;
the ceramsite is clay ceramsite and fly ash ceramsite, and the weight ratio of the clay ceramsite to the fly ash ceramsite is 1.6:0.4; the clay ceramsite is purchased from Fangxian county and reaches the business district of the thermal insulation material, and the particle size is 10mm; the fly ash ceramsite is purchased from Hebei Zexu building materials science and technology development Limited company, and has the particle size of 10mm;
the retarder is composed of calcium saccharate and sodium hexametaphosphate, and the weight ratio of the calcium saccharate to the phosphate is 0.8:1.2; the sugar calcium is purchased from Qingdao Huanong Yutian agriculture science and technology Limited; the CAS number of the sodium hexametaphosphate is 10124-56-8;
the sand is coarse sand and fine sand, and the weight ratio of the coarse sand to the fine sand is 3.5:1; coarse sand and fine sand are purchased from a Yongshun mineral product processing factory in Lingshou county, the granularity of the coarse sand is 20-40 meshes, and the granularity of the fine sand is 70-110 meshes;
the ash powder is fly ash, is purchased from Huixin mining processing factory in Lingshu county, and has the granularity of 325 meshes;
the foaming agent is sodium abietate purchased from Henan Tian remuneration chemical products Co.Ltd;
the water reducing agent is a naphthalene-based high-efficiency water reducing agent and is purchased from Shandong Vigorboom New Material science and technology Limited company;
the preparation method of the ceramsite foam concrete comprises the following steps:
(1) Fully mixing the portland cement and the ceramsite to obtain cement wrapping the ceramsite;
(2) Mixing the cement wrapped with the ceramsite in the step (1) with a coagulant, sand, ash powder, a foaming agent, a water reducing agent and water, and fully stirring to obtain a mixture;
(3) And (3) placing the mixture obtained in the step (2) in a mould, and drying to obtain the ceramsite foam concrete.
Wherein the drying temperature in the step (3) is 50 ℃.
Examples2
Embodiment 2 provides a ceramsite foam concrete, which comprises the following components in parts by weight: 3 parts of Portland cement, 0.5 part of ceramsite, 0.05 part of retarder, 1 part of sand, 1 part of ash powder, 0.05 part of foaming agent, 0.05 part of water reducing agent and 1.5 parts of water.
The portland cement is 52.5R portland cement, available from texas midwik dam cement, inc;
the ceramsite is clay ceramsite and fly ash ceramsite, and the weight ratio of the clay ceramsite to the fly ash ceramsite is 1.6:0.4; the clay ceramsite is purchased from Fangxian county and reaches the Ming-Ying district of the thermal insulation material, and the particle size is 10mm; the fly ash ceramsite is purchased from Hebei Zexu building materials science and technology development Limited company, and has the particle size of 10mm;
the retarder is composed of calcium saccharate and sodium hexametaphosphate, and the weight ratio of the calcium saccharate to the phosphate is 0.8:1.2; the sugar calcium is purchased from Qingdao Huanong Yutian agriculture science and technology Limited; the CAS number of the sodium hexametaphosphate is 10124-56-8;
the sand is coarse sand and fine sand, and the weight ratio of the coarse sand to the fine sand is 3.5:1; coarse sand and fine sand are purchased from a Yongshun mineral product processing factory in Lingshou county, the granularity of the coarse sand is 20-40 meshes, and the granularity of the fine sand is 70-110 meshes;
the ash powder is fly ash, is purchased from Huixin mining processing factory in Lingshu county, and has the granularity of 325 meshes;
the foaming agent is sodium abietate purchased from Henan Tian remuneration chemical products Co.Ltd;
the water reducing agent is a naphthalene-based high-efficiency water reducing agent which is purchased from Hippon Vigorboom New Material science and technology Co., ltd;
the preparation method of the ceramsite foam concrete is the same as that in example 1.
Examples3
Embodiment 3 provides a ceramsite foam concrete, which comprises the following components in parts by weight: 2.5 parts of Portland cement, 0.25 part of ceramsite, 0.03 part of retarder, 0.6 part of sand, 1 part of ash powder, 0.037 part of foaming agent, 0.025 part of water reducing agent and 1 part of water.
The portland cement is 52.5R portland cement, available from texas midwik dam cement, inc;
the ceramsite is clay ceramsite and fly ash ceramsite, and the weight ratio of the clay ceramsite to the fly ash ceramsite is 1.6:0.4; the clay ceramsite is purchased from Fangxian county and reaches the Ming-Ying district of the thermal insulation material, and the particle size is 10mm; the fly ash ceramsite is purchased from Hebeize Asahi building materials science and technology development Limited company, and has a particle size of 10mm;
the retarder is composed of calcium saccharate and sodium hexametaphosphate, and the weight ratio of the calcium saccharate to the phosphate is 0.8:1.2; the sugar calcium is purchased from Qingdao Huanong Yutian agriculture science and technology Limited; the CAS number of the sodium hexametaphosphate is 10124-56-8;
the sand is coarse sand and fine sand, and the weight ratio of the coarse sand to the fine sand is 3.5:1; coarse sand and fine sand are purchased from a Yongshun mineral product processing factory in Lingshou county, the granularity of the coarse sand is 20-40 meshes, and the granularity of the fine sand is 70-110 meshes;
the ash powder is fly ash, is purchased from Huixin mining processing factory in Lingshu county, and has the granularity of 325 meshes;
the foaming agent is sodium abietate purchased from Henan Tian remuneration chemical products Co.Ltd;
the water reducing agent is a naphthalene-based high-efficiency water reducing agent which is purchased from Hippon Vigorboom New Material science and technology Co., ltd;
the preparation method of the ceramsite foam concrete is the same as that in example 1.
Comparative example1
Comparative example 1 the specific embodiment is the same as example 3 except that the sand is coarse sand.
Comparative example2
Comparative example 2 a specific embodiment is the same as example 3 except that the weight ratio of portland cement to sodium abietate is 2.
Evaluation of Performance
The ceramic foam concrete prepared in examples 1-3 and comparative examples 1-2 was prepared into a sample of 200mm × 200mm × 200mm, and after curing for 28 hours at 20 ℃ and 98% humidity, the relevant performance tests were performed.
(1) Test of compression resistance
Carrying out compression resistance test on the sample according to GB/T50081-2019 'common concrete mechanical property experimental method', wherein the measured data are shown in Table 1;
(2) Durability test
The sample is subjected to freeze-thaw cycle compressive strength loss rate measurement according to GB/T50082-2006 Experimental method for the long-term performance and durability of common concrete, the lower the loss rate is, the better the durability of the product is, and the measured data are shown in Table 1.
TABLE 1
Claims (10)
1. The ceramsite foam concrete is characterized by comprising the following raw materials in parts by weight: 1-3 parts of Portland cement, 0.1-0.5 part of ceramsite, 0.01-0.05 part of retarder, 0.4-1 part of sand, 0.1-1 part of ash powder, 0.01-0.05 part of foaming agent, 0.01-0.05 part of water reducing agent and 0.5-1.5 parts of water.
2. The ceramsite foam concrete according to claim 1, wherein the ceramsite comprises one or more of bauxite ceramsite, clay ceramsite, shale ceramsite, river bottom mud ceramsite, fly ash ceramsite and coal gangue ceramsite.
3. The ceramsite foam concrete according to claim 1 or 2, wherein the ceramsite is clay ceramsite and fly ash ceramsite, and the weight ratio of the clay ceramsite to the fly ash ceramsite is (1.2-1.8): (0.2-0.6).
4. The ceramsite foam concrete according to claim 3, wherein the particle size of the clay ceramsite is 5-50mm, and the particle size of the fly ash ceramsite is 5-52mm.
5. The ceramsite foam concrete according to claim 1, wherein the sand comprises one or a combination of coarse sand, medium sand and fine sand.
6. The ceramsite foam concrete according to claim 5, wherein the coarse sand has a particle size of 20-40 mesh and the fine sand has a particle size of 70-110 mesh.
7. The ceramsite foam concrete according to claim 1, wherein the weight ratio of the portland cement, sand and ash is (2-3): (0.2-0.8):1.
8. The ceramsite foam concrete according to claim 1, wherein the foaming agent comprises one or more of sodium dodecyl benzene sulfonate, sodium fatty alcohol-polyoxyethylene ether sulfate, rosin soap foaming agent and animal and vegetable protein foaming agent.
9. The ceramsite foam concrete according to claim 1, wherein the weight ratio of the portland cement to the foaming agent is 2: (0.2-0.3).
10. A method for preparing ceramsite foam concrete according to any one of claims 1-9, comprising the following steps:
(1) Fully mixing the silicate cement and the ceramsite to obtain cement wrapping the ceramsite;
(2) Mixing the cement wrapped with the ceramsite in the step (1) with a coagulant, sand, ash powder, a foaming agent, a water reducing agent and water, and fully stirring to obtain a mixture;
(3) And (3) placing the mixture obtained in the step (2) in a mould, and drying to obtain the ceramsite foam concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210167953.1A CN115490473A (en) | 2022-02-23 | 2022-02-23 | Ceramsite foam concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210167953.1A CN115490473A (en) | 2022-02-23 | 2022-02-23 | Ceramsite foam concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115490473A true CN115490473A (en) | 2022-12-20 |
Family
ID=84464149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210167953.1A Pending CN115490473A (en) | 2022-02-23 | 2022-02-23 | Ceramsite foam concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115490473A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2524715C1 (en) * | 2013-06-14 | 2014-08-10 | Юлия Алексеевна Щепочкина | Raw mix for making foam concrete |
| CN110054451A (en) * | 2019-04-04 | 2019-07-26 | 启东海中港建材有限公司 | A kind of ceramsite foam concrete and its preparation process |
| CN113788653A (en) * | 2021-08-13 | 2021-12-14 | 惠州市越达建筑科技有限公司 | Finely ground sand ceramsite concrete, light partition board and preparation method thereof |
-
2022
- 2022-02-23 CN CN202210167953.1A patent/CN115490473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2524715C1 (en) * | 2013-06-14 | 2014-08-10 | Юлия Алексеевна Щепочкина | Raw mix for making foam concrete |
| CN110054451A (en) * | 2019-04-04 | 2019-07-26 | 启东海中港建材有限公司 | A kind of ceramsite foam concrete and its preparation process |
| CN113788653A (en) * | 2021-08-13 | 2021-12-14 | 惠州市越达建筑科技有限公司 | Finely ground sand ceramsite concrete, light partition board and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 易秋等: "陶粒泡沫混凝土力学性能试验研究" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109293317A (en) | A kind of high intensity self-compacting concrete and preparation method thereof | |
| CN108546016B (en) | Air-entraining expansion type geopolymer for road grouting reinforcement | |
| CN110304872B (en) | Nano modified cement-based underwater non-dispersible material and preparation method thereof | |
| CN110066158A (en) | Lightweight self-compacting concrete and preparation method thereof | |
| CN110218054A (en) | A kind of nano clay modified high performance concrete and the preparation method and application thereof | |
| CN110078431A (en) | Anti- isolation high-strength heat-insulating concrete of one kind and preparation method thereof | |
| CN110981369A (en) | High-performance expansive prestressed concrete and preparation method thereof | |
| CN110922122B (en) | Low-hydration-heat high-strength volume concrete and preparation method thereof | |
| CN115073093A (en) | Low-shrinkage high-strength self-compacting recycled concrete and preparation method thereof | |
| CN108409266A (en) | A kind of waterproof anti-crack mortar | |
| CN109293292B (en) | Concrete and preparation process thereof | |
| Beycioglu et al. | Effect of elevated temperatures on properties of blended cements with clinoptilolite | |
| CN108689658B (en) | Formula and preparation method of pumping lightweight aggregate concrete | |
| CN113816657A (en) | Economic and environment-friendly all-light concrete and preparation method thereof | |
| CN111960719B (en) | Lightweight aggregate concrete and preparation method thereof | |
| CN109400062A (en) | A kind of natural volcanic ash green high performance concrete | |
| CN111004007B (en) | Light plastering gypsum dry material and preparation method thereof | |
| CN115490473A (en) | Ceramsite foam concrete and preparation method thereof | |
| CN112174604A (en) | Dry-mixed masonry mortar | |
| Savić et al. | Valorization of fly ash from a thermal power plant for producing high-performance self-compacting concrete | |
| CN114956708B (en) | Basic-layer permeable concrete containing brick-concrete recycled aggregate and preparation method thereof | |
| CN115636641A (en) | High-impermeability graphene oxide concrete and preparation method thereof | |
| CN108516741A (en) | A kind of Steel-slag Sand-straw ash mixes mortar and preparation method thereof again | |
| CN114735985A (en) | Anti-cracking high-strength coral mortar and preparation method thereof | |
| CN114031354A (en) | High-performance cement-based grouting material for poured composite concrete pavement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |