CN112408906A - Novel dry-mixed masonry mortar and preparation method thereof - Google Patents
Novel dry-mixed masonry mortar and preparation method thereof Download PDFInfo
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- CN112408906A CN112408906A CN202011292940.4A CN202011292940A CN112408906A CN 112408906 A CN112408906 A CN 112408906A CN 202011292940 A CN202011292940 A CN 202011292940A CN 112408906 A CN112408906 A CN 112408906A
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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
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- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention discloses a novel dry-mixed masonry mortar and a preparation method thereof, wherein the preparation method comprises the following steps: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite. According to the novel dry-mixed masonry mortar and the preparation method thereof, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, and the bentonite is used as a raw material and has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve and improve the performance of concrete.
Description
Technical Field
The invention relates to the technical field of dry-mixed masonry mortar, in particular to novel dry-mixed masonry mortar and a preparation method thereof.
Background
The dry-mixed masonry mortar is special modified dry-mixed mortar designed and produced by adopting high-quality polymer, is an improved cement-based dry-mixed material prepared by reasonably proportioning high-quality stone well cement, fine aggregate and polymer additive, can be used by mechanically stirring after adding water on a construction site as required, can be used for masonry engineering (red bricks, gray sand bricks, hollow bricks, foam concrete blocks and rubble) of various masonry bodies of internal and external walls of a building, is suitable for a wet construction process, and is required to be drenched for general non-structural repair of building blocks, slope stabilization and ground platform cushion layer during construction; the organic bentonite is an inorganic mineral/organic ammonium compound, takes bentonite as raw material, utilizes the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay particles in water or organic solvent, and is prepared by inserting an organic covering agent through ion exchange technology, the slurry making rate of the bentonite is that bentonite particles are dispersed in water to form suspension, and the cubic number of slurry making of each ton of bentonite when the apparent viscosity of the suspension is 15 x 10-3Ps is an important index for measuring the quality of the bentonite, and the slurry making performance of general sodium bentonite is better than that of calcium bentonite; the building adhesive has important effects on improving the construction efficiency and quality of buildings and reducing the construction weight, and needs chemical grouting materials, building caulking sealant, floor glue, end cloth glue, coagulation seven-reinforcing glue and the like; the paint has excellent water resistance, weather resistance, impact resistance, wear resistance and the like; the dry-mixed masonry mortar has poor thixotropy and impact resistance and poor use effect.
Disclosure of Invention
The invention mainly aims to provide novel dry-mixed masonry mortar and a preparation method thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel dry-mixed masonry mortar comprising: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite.
Preferably, the polyurethane adhesive is an adhesive for construction.
Preferably, the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified.
Preferably, the artificial sand and the construction waste powder in the step one are dust subjected to sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 mu m, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Preferably, the blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Preferably, the bentonite is dust subjected to sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Compared with the prior art, the invention has the following beneficial effects: bentonite and polyurethane adhesive are added, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, the bentonite is used as a raw material, the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay in water or an organic solvent are utilized, and an organic covering agent is inserted through an ion exchange technology to prepare the bentonite-polyurethane composite material, so that the bentonite-polyurethane composite material has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has important effects on improving the construction efficiency and quality of buildings and reducing the weight of construction, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve the performance of concrete.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A novel dry-mixed masonry mortar comprising: 15 parts of Portland cement, 10 parts of blast furnace slag, 10 parts of fly ash, 10 parts of artificial sand, 30 parts of construction waste powder, 5 parts of a calcium-increasing agent, 1 part of a polyurethane adhesive, 0.5 part of a concrete additive, 0.1 part of cellulose ether, 0.1 part of a water-retaining agent and 0.5 part of bentonite.
Wherein the polyurethane adhesive is an adhesive for buildings.
Wherein the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar M;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar M, analyzing data, and warehousing and storing after the data are qualified.
Wherein, the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Wherein, the blast furnace slag and the fly ash are dust after sorting, crushing and screening treatment, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Wherein, the bentonite is dust after sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Example 2
A novel dry-mixed masonry mortar comprising: 25 parts of portland cement, 15 parts of blast furnace slag, 15 parts of fly ash, 15 parts of artificial sand, 40 parts of construction waste powder, 10 parts of a calcium-increasing agent, 5 parts of a polyurethane adhesive, 1 part of a concrete additive, 0.5 part of cellulose ether, 0.5 part of a water-retaining agent and 1 part of bentonite.
Wherein the polyurethane adhesive is an adhesive for buildings.
Wherein the bentonite is organic bentonite.
A preparation method of novel dry-mixed masonry mortar comprises the following steps:
the method comprises the following steps: mixing portland cement, artificial sand and construction waste powder to obtain a mixture A1;
step two: adding blast furnace slag and fly ash into the mixture A1, and mixing to obtain a mixture A2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture A2, and mixing to obtain a mixture A3;
step four: adding a water-retaining agent and cellulose ether into the mixture A3, and mixing to obtain a mixture A4;
step five: adding a polyurethane adhesive into the mixture A4 to obtain novel dry-mixed masonry mortar A;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar A, analyzing data, and warehousing and storing after the data are qualified.
Wherein, the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 recycled fine aggregates for concrete and mortar is met.
Wherein, the blast furnace slag and the fly ash are dust after sorting, crushing and screening treatment, and meet the standard of GB/T25176-2010 recycled fine aggregate for concrete and mortar.
Wherein, the bentonite is dust after sorting, crushing and screening, and meets the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar.
Various technical performance indexes of the dry-mixed masonry mortar prepared in the embodiment meet the requirements of the ready-mixed mortar specified in GB/T25181-2010 ready-mixed mortar and DG/TJ08-502-2012 technical specification for the application of the ready-mixed mortar.
The invention relates to a novel dry-mixed masonry mortar, which comprises the following components: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite. The polyurethane adhesive is an adhesive for buildings. The bentonite is organic bentonite. The preparation method of the novel dry-mixed masonry mortar comprises the following steps: the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1; step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2; step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3; step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4; step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar; step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified. The artificial sand and the construction waste powder are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 mu m, and the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar is met. The blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar, and the bentonite is dust subjected to sorting, crushing and screening, and meet the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar; bentonite and polyurethane adhesive are added, the bentonite is organic bentonite, the organic bentonite is an inorganic mineral/organic ammonium compound, the bentonite is used as a raw material, the lamellar structure of montmorillonite in the bentonite and the characteristic that the montmorillonite can be swelled and dispersed into colloidal clay in water or an organic solvent are utilized, and an organic covering agent is inserted through an ion exchange technology to prepare the bentonite-polyurethane composite material, so that the bentonite-polyurethane composite material has good thickening property, thixotropy, suspension stability, high-temperature stability, lubricity, film-forming property, water resistance and chemical stability; the polyurethane adhesive is an adhesive for buildings, has important effects on improving the construction efficiency and quality of buildings and reducing the weight of construction, has excellent water resistance, weather resistance, impact resistance and wear resistance, can improve the thixotropy and impact resistance of the dry-mixed masonry mortar by adding the bentonite and the polyurethane adhesive, and can improve the performance of concrete.
The detection data of the novel dry-mixed masonry mortar M obtained in the embodiment 1 and the novel dry-mixed masonry mortar A obtained in the embodiment 2 are obtained in the comparative embodiment 1, and the data are classified to obtain the applicable proportion.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A novel dry-mixed masonry mortar is characterized by comprising: 15-25 parts of Portland cement, 10-15 parts of blast furnace slag, 10-15 parts of fly ash, 10-15 parts of artificial sand, 30-40 parts of construction waste powder, 5-10 parts of a calcium increasing agent, 1-5 parts of a polyurethane adhesive, 0.5-1 part of a concrete additive, 0.1-0.5 part of cellulose ether, 0.1-0.5 part of a water-retaining agent and 0.5-1 part of bentonite.
2. The novel dry-mixed masonry mortar of claim 1, characterized in that: the polyurethane adhesive is an adhesive for buildings.
3. The novel dry-mixed masonry mortar of claim 1, characterized in that: the bentonite is organic bentonite.
4. A preparation method of novel dry-mixed masonry mortar is characterized by comprising the following steps:
the method comprises the following steps: mixing the portland cement, the artificial sand and the construction waste powder to obtain a mixture M1;
step two: adding blast furnace slag and fly ash into the mixture M1, and mixing to obtain a mixture M2;
step three: adding a calcium increasing agent, a concrete admixture and bentonite into the mixture M2, and mixing to obtain a mixture M3;
step four: adding a water-retaining agent and cellulose ether into the mixture M3, and mixing to obtain a mixture M4;
step five: adding a polyurethane adhesive into the mixture M4 to obtain novel dry-mixed masonry mortar;
step six: and (4) carrying out quality detection on the novel dry-mixed masonry mortar, analyzing data, and warehousing and storing after the data are qualified.
5. The preparation method of the novel dry-mixed masonry mortar according to claim 4, wherein the artificial sand and the construction waste powder in the step one are dust after sorting, crushing and screening, the artificial sand and the construction waste powder are crushed into fine materials with the particle size of 0.1-2.8mm, the pores are 10-100 μm, and the standard of GB/T25176-2010 concrete and recycled fine aggregate for mortar is met.
6. The preparation method of the novel dry-mixed masonry mortar according to claim 4, wherein the blast furnace slag and the fly ash are dust subjected to sorting, crushing and screening, and meet the GB/T25176-2010 concrete and recycled fine aggregate for mortar standard.
7. The preparation method of the novel dry-mixed masonry mortar according to claim 6, wherein the bentonite is dust after sorting, crushing and screening, and meets the GB/T25176-2010 concrete and recycled fine aggregate for mortar standard.
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CN113651566A (en) * | 2021-09-12 | 2021-11-16 | 泗水县瑞安建材有限公司 | Premixed mortar mixture for building and preparation method thereof |
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CN113651566A (en) * | 2021-09-12 | 2021-11-16 | 泗水县瑞安建材有限公司 | Premixed mortar mixture for building and preparation method thereof |
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Application publication date: 20210226 |