CN111302730A - Preparation method of grouting material special for fabricated building - Google Patents
Preparation method of grouting material special for fabricated building Download PDFInfo
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- CN111302730A CN111302730A CN202010118301.XA CN202010118301A CN111302730A CN 111302730 A CN111302730 A CN 111302730A CN 202010118301 A CN202010118301 A CN 202010118301A CN 111302730 A CN111302730 A CN 111302730A
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- grouting material
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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
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- 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)
Abstract
The invention discloses a preparation method of a grouting material special for an assembly type building, which comprises the following raw materials: the raw materials in parts by weight include: 50-80 parts of mud, 1-3 parts of cellulose, 80-120 parts of sand, 0.01-0.05 part of air entraining agent, 0.05-0.08 part of polycarboxylic acid high-performance water reducing agent and 50-70 parts of sepiolite. The invention has simple and reasonable assembly method and simple preparation process, is safe and reliable, and the prepared grouting material dry powder can be used by adding water, stirring and mixing uniformly when in use, so that the grouting material dry powder can be transported through the grouting material dry powder during transportation, is more convenient compared with the transportation of high fluidity grouting material slurry, and is added with the sepiolite which has no harm to human body and no pollution to environment, thereby being a good heat-preservation and heat-proof material without carcinogen, improving the cold-resistance and heat-preservation performance of the building made of the grouting material special for the assembly type building and prolonging the service life of the building.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a preparation method of a grouting material special for an assembly type building.
Background
With the development of modern industrial technology, building houses can be manufactured in batches and sets like machine production. Prefabricated house components are transported to a construction site to be assembled, and the assembled building is interesting in the beginning of the 20 th century and is realized in the end of the sixties. The first attempts made in English, French, Soviet Union, etc. Because the construction speed of the fabricated building is high and the production cost is low, the fabricated building is rapidly popularized all over the world, and the appearance of the fabricated building in the early stage is rather stiff and uniform. Later improvements in design have resulted in increased flexibility and versatility to allow modular construction not only in batch, but also in a wide variety of styles. The movable dwelling house is an advanced assembly type building in America, each dwelling unit is like a large trailer, and the movable dwelling house can be used only by pulling the movable dwelling house to the site by a special automobile and then hoisting the movable dwelling house to a floor cushion block by a crane to be connected with a pre-buried water channel, a power supply and a telephone system. The movable dwelling house is internally provided with facilities such as a heating system, a bathroom, a kitchen, a dining room, a bedroom and the like. The movable dwellings can be formed into a unit independently or can be connected with each other.
The conventional grouting material special for the fabricated building generally contains sulphoaluminate cement and sulfate ions which are easy to corrode steel, and secondly, the conventional grouting material special for the fabricated building generally does not have heat preservation and cold resistance, and secondly, the water retention plasticity and the cohesiveness of the grouting material are poor, so that the construction operation performance of the grouting material is poor.
Disclosure of Invention
The invention aims to provide an environment-friendly pollution-free grouting material special for an assembly type building and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the special grouting material for the fabricated building comprises the following raw materials in parts by weight: 50-80 parts of cement, 1-3 parts of cellulose, 80-120 parts of sand, 0.01-0.05 part of air entraining agent, 0.05-0.08 part of polycarboxylic acid high-performance water reducing agent and 50-70 parts of sepiolite.
As a further scheme of the invention:
the special grouting material for the fabricated building comprises the following raw materials in parts by weight: 55-75 parts of cement, 1.5-2.5 parts of cellulose, 85-115 parts of sand, 0.02-0.04 part of air entraining agent, 0.06-0.07 part of polycarboxylic acid high-performance water reducing agent and 55-65 parts of sepiolite.
As a further scheme of the invention:
the special grouting material for the fabricated building comprises the following raw materials in parts by weight: 65 parts of cement, 2 parts of cellulose, 95 parts of sand, 0.03 part of air entraining agent, 0.065 part of polycarboxylic acid high-performance water reducing agent and 60 parts of sepiolite.
As a further scheme of the invention:
the cement is formed by mixing ordinary portland cement and pozzolanic portland cement, and the mixing ratio of the ordinary portland cement to the pozzolanic portland cement is 7: 3.
as a further scheme of the invention:
the cellulose adopts a fast-soluble anionic type with twenty thousand molecular weights.
As a further scheme of the invention:
the air-entraining agent is polyether air-entraining agent.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
As a further scheme of the invention:
the stirrer used in the step (5) is a mortar stirrer.
As a further scheme of the invention:
and (3) the small-sized stirrer and the large-sized stirrer used in the steps (2) and (3) are dry powder mixing stirrers.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple and reasonable assembly method, simple preparation process, environmental protection, no pollution, safety and reliability, when the prepared grouting material dry powder is used, water is added for stirring and mixing uniformly, so that the grouting material dry powder can be transported through the grouting material dry powder during transportation, the transportation is more convenient compared with the transportation of high fluidity grouting material slurry, sepiolite is added, the sepiolite does not harm human bodies and does not pollute the environment, and the grouting material is a cancerogen-free better heat-preservation and heat-proof material, thereby improving the cold-resistance and heat-preservation performance of the building made of the grouting material special for the assembly type building, prolonging the service life of the building, the cement is formed by mixing ordinary portland cement and pozzolanic portland cement, the mixing ratio of the ordinary portland cement and the pozzolanic portland cement is 7: 3, the grouting material does not contain sulpho cement, the erosion of sulphate radical to reinforcing steel bar can be effectively prevented, and finally the grouting material special for the assembly type building is also added with instant twenty thousand molecular weight anionic fiber The special grouting material for the prefabricated building can enhance the water retention property, prevent the phenomena of too fast hardening, drying and cracking of cement mortar, increase the plasticity of the mortar, improve the construction operability, improve the bonding property of the mortar, enable the mortar to better bond base materials and prevent the slippage phenomenon during construction.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
The special grouting material for the fabricated building comprises the following raw materials in parts by weight: 55 parts of cement, 1.5 parts of cellulose, 85 parts of sand, 0.02 part of air entraining agent, 0.06 part of polycarboxylic acid high-performance water reducing agent and 55 parts of sepiolite.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
Example 2
The special grouting material for the fabricated building comprises the following raw materials in parts by weight: 60 parts of cement, 1.75 parts of cellulose, 90 parts of sand, 0.025 part of air entraining agent, 0.0625 part of polycarboxylic acid high-performance water reducing agent and 57.5 parts of sepiolite.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
Example 3
The special grouting material for the fabricated building comprises the following raw materials in parts by weight: 65 parts of cement, 2 parts of cellulose, 95 parts of sand, 0.03 part of air entraining agent, 0.065 part of polycarboxylic acid high-performance water reducing agent and 60 parts of sepiolite.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
Example 4
The special grouting material for the fabricated building comprises the following raw materials in parts by weight: 70 parts of cement, 2.25 parts of cellulose, 100 parts of sand, 0.035 part of air entraining agent, 0.0675 part of polycarboxylic acid high-performance water reducing agent and 62.5 parts of sepiolite.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
Example 5
The special grouting material for the fabricated building comprises the following raw materials in parts by weight: 75 parts of cement, 2.5 parts of cellulose, 105 parts of sand, 0.04 part of air entraining agent, 0.07 part of polycarboxylic acid high-performance water reducing agent and 65 parts of sepiolite.
The preparation method of the grouting material special for the fabricated building comprises the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
The cement is formed by mixing ordinary portland cement and pozzolanic portland cement, and ordinary portland cement is 7: 3 with the pozzolanic portland cement charge ratio, the cellulose adopts the anion of two hundred thousand molecular weight of quick-dissolving, the air entraining agent adopts polyether type air entraining agent, the mixer that uses in step (5) is the mortar mixer, in step (2) and step (3) the small-size mixer and the large-scale mixer that use are dry powder mixer.
The invention has simple and reasonable assembly method and simple preparation process, is safe and reliable, the prepared grouting material dry powder can be used by adding water and stirring and mixing evenly when in use, so that the grouting material dry powder can be transported by the grouting material dry powder, is more convenient compared with the transportation of high fluidity grouting material slurry, sepiolite is added, has no harm to human body and no pollution to environment, is a good heat-preservation and heat-proof material without carcinogen, thereby improving the cold-resistance and heat-preservation performance of the building made of the grouting material special for the assembly type building and prolonging the service life of the building, the cement is formed by mixing ordinary portland cement and pozzolanic portland cement, the mixture ratio of the ordinary portland cement and the pozzolanic cement is 7: 3, sulphoaluminate cement is not contained, the corrosion to reinforcing steel bars can be effectively prevented, and finally, the grouting material special for the assembly type building is also added with instant anionic cellulose with molecular weight of twenty thousand molecular weight, the water retention of the special grouting material for the fabricated building can be enhanced, the phenomena of too fast hardening, drying and cracking of cement mortar are prevented, the plasticity of the mortar can be increased, the construction operability is improved, the bonding performance of the mortar is improved, a base material can be better bonded, and the slippage phenomenon can be prevented during construction.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. The special grouting material for the fabricated building is characterized by comprising the following raw materials in parts by weight: 50-80 parts of cement, 1-3 parts of cellulose, 80-120 parts of sand, 0.01-0.05 part of air entraining agent, 0.05-0.08 part of polycarboxylic acid high-performance water reducing agent and 50-70 parts of sepiolite.
2. The assembly type grouting material special for the building as claimed in claim 1, wherein the raw materials in parts by weight comprise: 55-75 parts of cement, 1.5-2.5 parts of cellulose, 85-115 parts of sand, 0.02-0.04 part of air entraining agent, 0.06-0.07 part of polycarboxylic acid high-performance water reducing agent and 55-65 parts of sepiolite.
3. The assembly type grouting material special for the building as claimed in claim 1, wherein the raw materials in parts by weight comprise: 65 parts of cement, 2 parts of cellulose, 95 parts of sand, 0.03 part of air entraining agent, 0.065 part of polycarboxylic acid high-performance water reducing agent and 60 parts of sepiolite.
4. The prefabricated building-specific grouting material according to any one of claims 1 to 3, wherein the cement is formed by mixing Portland cement and pozzolanic Portland cement, and the mixing ratio of the Portland cement to the pozzolanic Portland cement is 7: 3.
5. The prefabricated building-specific grouting material of any one of claims 1 to 3, wherein the cellulose is a fast-soluble twenty thousand molecular weight anion.
6. The prefabricated building-specific grouting material of any one of claims 1-3, wherein the air-entraining agent is polyether-type air-entraining agent.
7. The preparation method of the assembly type special grouting material for the building as claimed in any one of claims 1 to 3, characterized by comprising the following specific steps:
(1) weighing the raw materials in parts by weight;
(2) adding the weighed air entraining agent and the polycarboxylic acid high-performance water reducing agent into a small stirrer, and stirring and mixing uniformly;
(3) adding the weighed cement, cellulose, sand and sepiolite into a large stirrer, and uniformly stirring and mixing;
(4) adding the mixture obtained in the step (2) into the large stirrer in the step (3), opening the stirrer in the large stirrer, stirring for 4-6 minutes, and fully mixing and stirring to obtain grouting material dry powder;
(5) and (3) on a construction site, taking 100 parts of grouting material dry powder according to parts by weight, adding 12-13 parts of water, and stirring and mixing for 3-5 minutes by using a stirrer to obtain high-fluidity grouting material slurry.
8. The preparation method of the assembly type construction-specific grouting material of claim 7, wherein the mixer used in the step (5) is a mortar mixer.
9. The method for preparing the prefabricated building-specific grouting material of claim 7, wherein the small-sized blender and the large-sized blender used in the steps (2) and (3) are dry powder mixing blenders.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010118301.XA CN111302730A (en) | 2020-02-25 | 2020-02-25 | Preparation method of grouting material special for fabricated building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010118301.XA CN111302730A (en) | 2020-02-25 | 2020-02-25 | Preparation method of grouting material special for fabricated building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979253A (en) * | 2021-02-08 | 2021-06-18 | 江苏中砼新材料科技有限公司 | Waterproof and antifreezing recycled concrete and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058405A (en) * | 1976-07-09 | 1977-11-15 | Grout Supply Company | Pumpable cement grout and additive |
| CN105541238A (en) * | 2015-12-23 | 2016-05-04 | 乔生艮 | High-strength shrinkage-free grouting material |
| CN107572978A (en) * | 2017-09-27 | 2018-01-12 | 中建材中岩科技有限公司 | Bar connecting sleeve grouting material and preparation method thereof |
| CN107935504A (en) * | 2017-11-27 | 2018-04-20 | 江西省萍乡市联友建材有限公司 | Early strengthening and high strengthening, microdilatancy, the bar connecting sleeve grouting material of since conservation function |
| CN108314393A (en) * | 2018-03-20 | 2018-07-24 | 中冶建筑研究总院有限公司 | A kind of low temperature environment bar connecting grouting material and its preparation method and application |
| CN108947421A (en) * | 2018-08-01 | 2018-12-07 | 浙江省通用砂浆研究院 | A kind of assembled architecture impervious sleeve grouting material and preparation method thereof |
| CN110128088A (en) * | 2019-05-21 | 2019-08-16 | 武汉沃尔浦科技有限公司 | A kind of high fluidity reinforcing bar sleeve for connection grouting material |
-
2020
- 2020-02-25 CN CN202010118301.XA patent/CN111302730A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058405A (en) * | 1976-07-09 | 1977-11-15 | Grout Supply Company | Pumpable cement grout and additive |
| CN105541238A (en) * | 2015-12-23 | 2016-05-04 | 乔生艮 | High-strength shrinkage-free grouting material |
| CN107572978A (en) * | 2017-09-27 | 2018-01-12 | 中建材中岩科技有限公司 | Bar connecting sleeve grouting material and preparation method thereof |
| CN107935504A (en) * | 2017-11-27 | 2018-04-20 | 江西省萍乡市联友建材有限公司 | Early strengthening and high strengthening, microdilatancy, the bar connecting sleeve grouting material of since conservation function |
| CN108314393A (en) * | 2018-03-20 | 2018-07-24 | 中冶建筑研究总院有限公司 | A kind of low temperature environment bar connecting grouting material and its preparation method and application |
| CN108947421A (en) * | 2018-08-01 | 2018-12-07 | 浙江省通用砂浆研究院 | A kind of assembled architecture impervious sleeve grouting material and preparation method thereof |
| CN110128088A (en) * | 2019-05-21 | 2019-08-16 | 武汉沃尔浦科技有限公司 | A kind of high fluidity reinforcing bar sleeve for connection grouting material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112979253A (en) * | 2021-02-08 | 2021-06-18 | 江苏中砼新材料科技有限公司 | Waterproof and antifreezing recycled concrete and preparation method thereof |
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