CN108929079B - Anti-seismic and anti-cracking sleeve grouting material for prefabricated building and preparation method thereof - Google Patents
Anti-seismic and anti-cracking sleeve grouting material for prefabricated building and preparation method thereof Download PDFInfo
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- CN108929079B CN108929079B CN201810865190.1A CN201810865190A CN108929079B CN 108929079 B CN108929079 B CN 108929079B CN 201810865190 A CN201810865190 A CN 201810865190A CN 108929079 B CN108929079 B CN 108929079B
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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
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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
- 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
Abstract
The invention discloses a preparation method of an anti-seismic and anti-cracking sleeve grouting material for an assembly type building, which comprises the following components in parts by weight: 50-70 parts of cement, 40-55 parts of quartz sand, 1-2 parts of sodium polyacrylate, 2-4 parts of a water reducing agent, 0.5-2 parts of a retarder, 0.5-1 part of a defoaming agent, 0.1-0.5 part of an expanding agent and 1-3 parts of a modified composite filler. The invention also discloses a preparation method of the sleeve grouting material. The sleeve grouting material disclosed by the invention has the advantages of high strength, good stability, micro-expansion, no water seepage phenomenon and low cost.
Description
The technical field is as follows:
the invention relates to the field of building materials, in particular to an anti-seismic and anti-cracking sleeve grouting material for an assembly type building.
Background art:
the existing building not only improves the quality of products, but also greatly reduces the labor intensity of field workers through the industrialized production and field assembly of products such as inner and outer wallboards and the like. Prefabricated parts required by the assembly type building are mechanically produced in a specialized factory, so that the precision is high, the quality is guaranteed, the waste of materials is reduced, and the policy of energy conservation, emission reduction and environmental protection is better realized. In the fabricated building structure, the reinforcing bar connection technology of the prefabricated parts becomes the key of the whole frame structure. The grouting sleeve connection is a novel reinforcing steel bar connection mode generated by engineering practical requirements and technical development. The steel bar sleeve grouting connection is characterized in that sleeve grouting materials are injected into the sleeve and fully contacted with steel bars at two ends, and the hardened grouting materials are tightly meshed with transverse ribs of the steel bars and grooves or convex ribs of the inner wall of the sleeve, so that the connection of 2 steel bars is realized.
The sleeve grout fastens the reinforcing steel bars through self expansibility, and the acting force of the reinforcing steel bars and the sleeve grout, and the acting force of the sleeve grout and the inner wall of the sleeve are enhanced. Therefore, the performance of the sleeve grouting material is the key for realizing the longitudinal connection of the prefabricated parts. With the application of the assembly type building, the sleeve grouting material for connecting the steel bars is widely applied due to the properties of micro expansion, high strength, early strength, workability and the like. Many researches on cement-based grouting materials and high-performance grouting materials are conducted at home and abroad.
Patent 201611184010.0 discloses a sleeve grouting material for connecting assembly type construction steel bars, which is prepared by mixing dry powder of the reinforcing steel bar sleeve grouting material with water and a water reducing agent, and comprises the following components in percentage by mass: 40-45% of cement, 45-55% of fine aggregate, 2-3% of silica fume, 2-3% of ultrafine granulated blast furnace slag, 2-3% of expanding agent, 0.1-0.2% of retarder, 0.15-0.25% of defoaming agent, 0.24-0.26% of water-cement ratio and 2.5-3.5% of water reducing agent in the total amount of the cementing material. The sleeve grouting material prepared by the invention has the characteristics of high fluidity, high early and later strength, early micro-expansion, no shrinkage in later period, no water seepage, no corrosion to reinforcing steel bars and the like.
The invention content is as follows:
the invention aims to provide a sleeve grouting material for an assembly type building, which has the advantages of high strength, good stability, micro-expansion, no water seepage phenomenon and low cost.
The invention also aims to provide a preparation method of the earthquake-resistant and crack-resistant sleeve grouting material for the fabricated building.
In order to achieve the purpose, the invention adopts the following technical scheme:
the anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
50-70 parts of cement, 40-55 parts of quartz sand,
1-2 parts of sodium polyacrylate, 2-4 parts of water reducing agent,
0.5 to 2 portions of retarder, 0.5 to 1 portion of defoamer,
0.1-0.5 part of expanding agent and 1-3 parts of modified composite filler;
the preparation method of the modified composite filler comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 3-6h, drying, adding into cyclohexane, stirring and dispersing to obtain a dispersion A;
(2) adding copper acetylacetonate into oleylamine, stirring and dissolving, transferring into a three-neck flask, heating to 100-150 ℃, carrying out reflux reaction for 1-8h, continuously adding silica sol into the reaction solution after the reaction is finished, continuously carrying out reflux reaction for 3-5h, filtering and drying after the reaction is finished, adding the dried solid into the dispersion solution A prepared in the step (1), carrying out stirring treatment for 1-3h under the condition of 3000-5000 rpm, filtering and drying to prepare powder;
(3) placing the powder in a muffle furnace, and calcining for 1-5h to obtain a composite filler;
(4) and (2) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting at 40-50 ℃ for 40-80min, filtering after the reaction is finished, and drying the filtered solid to obtain the modified composite filler.
Preferably, the water reducing agent is sodium lignosulfonate.
Preferably, the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: (0.5-1.5).
Preferably, the defoaming agent is a silicone defoaming agent.
Preferably, in the step (1), the rotation speed of the stirring is 800-1300 rpm.
Preferably, in the step (2), the mass ratio of copper acetylacetonate to oleylamine is 1: (8-15).
Preferably, in the step (3), the atmosphere of the calcination treatment is air atmosphere, and the temperature of the calcination treatment is 200-300 ℃.
Preferably, in the step (3), the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: (1.3-2).
Preferably, in the step (4), the mass ratio of the composite filler to the silane coupling agent is 1: (0.03-0.07).
A preparation method of an anti-seismic and anti-cracking sleeve grouting material for an assembly type building comprises the following steps:
adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
The invention has the following beneficial effects:
in order to improve the mechanical property of the sleeve grouting material, the invention firstly takes rice hull powder, silica sol and copper acetylacetonate as raw materials, and adopts a proper preparation process to prepare the composite filler, the composite filler is a compound of copper oxide and silica gel, the performance of the composite filler is stable, and the copper oxide powder is dispersed on the inner wall of air holes of the silica gel, so that the strength of the mortar is effectively improved; and the mortar can replace part of quartz sand, so that the preparation cost of the sleeve mortar is effectively reduced;
according to the invention, a proper amount of sodium polyacrylate is added, so that the consistency of the slurry can be effectively increased, the aggregate is uniformly distributed in the mortar, and the working performance of the sleeve slurry is improved; the invention adopts the mixture of sodium citrate and sodium tartrate as the retarder, and reasonably adjusts the mass ratio of the sodium citrate to the sodium tartrate, and the prepared retarder can effectively delay the cement setting time, thereby improving the working performance of the sleeve grouting material after being stirred by adding water;
the invention effectively adjusts the dosage of each component and the preparation process, and the prepared sleeve grouting material has the advantages of high strength, good stability, micro-expansion, no water seepage phenomenon and low cost.
The specific implementation mode is as follows:
in order to better understand the present invention, the following examples further illustrate the invention, the examples are only used for explaining the invention, not to constitute any limitation of the invention.
Example 1
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
50 parts of cement, 40 parts of quartz sand,
1 part of sodium polyacrylate, 2 parts of water reducing agent,
0.5 part of retarder, 0.5 part of defoaming agent,
0.1 part of expanding agent and 1 part of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 0.5;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 3h, drying, adding into cyclohexane under the condition of 800 r/m, stirring and dispersing to obtain a dispersion liquid A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 100 ℃, carrying out reflux reaction for 1h, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 3h, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), stirring for 1-3h at the speed of 3000 r/min, filtering, and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 8;
(3) placing the powder in a muffle furnace, and calcining for 1h at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 1.3;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting for 40min at 40-50 ℃, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.03;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Example 2
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
70 parts of cement, 55 parts of quartz sand,
2 parts of sodium polyacrylate, 4 parts of water reducing agent,
2 parts of retarder, 1 part of defoaming agent,
0.5 part of expanding agent and 3 parts of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 0.5;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 6h, drying, adding into cyclohexane under the condition of 1300 rpm, stirring and dispersing to obtain a dispersion liquid A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 150 ℃, carrying out reflux reaction for 8 hours, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 5 hours, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), carrying out stirring treatment for 3 hours under the condition of 5000 revolutions per minute, filtering and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 15;
(3) placing the powder in a muffle furnace, and calcining for 1-5h at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 2;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting for 80min at 40-50 ℃, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.07;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Example 3
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
55 parts of cement, 44 parts of quartz sand,
1.2 parts of sodium polyacrylate, 2.5 parts of water reducing agent,
0.8 part of retarder, 0.6 part of defoamer,
0.2 part of expanding agent and 1.5 parts of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 0.7;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 4h, drying, adding into cyclohexane at 900 rpm, stirring, and dispersing to obtain dispersion A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 110 ℃, carrying out reflux reaction for 2 hours, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 3.5 hours, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), stirring for 1.5 hours under the condition of 3000 revolutions per minute, filtering, and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 10;
(3) placing the powder in a muffle furnace, and calcining for 2 hours at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 1.5;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting for 50min at 40-50 ℃, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.04;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Example 4
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
60 parts of cement, 48 parts of quartz sand,
1.4 parts of sodium polyacrylate, 3 parts of water reducing agent,
1.2 parts of retarder, 0.7 part of defoaming agent,
0.3 part of expanding agent and 2 parts of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 0.9;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 4h, drying, adding into cyclohexane under the condition of 1000 rpm, stirring and dispersing to obtain a dispersion liquid A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 120 ℃, carrying out reflux reaction for 4 hours, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 4 hours, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), stirring for 1.5 hours under the state of 3500 revolutions per minute, filtering and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 12;
(3) placing the powder in a muffle furnace, and calcining for 3 hours at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 1.7;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting for 60min at 40-50 ℃, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.05;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Example 5
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
65 parts of cement, 51 parts of quartz sand,
1.6 parts of sodium polyacrylate, 3 parts of water reducing agent,
1.5 parts of retarder, 0.8 part of defoaming agent,
0.4 part of expanding agent and 2.5 parts of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 1.1;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 5h, drying, adding into cyclohexane, stirring and dispersing under the condition of 1100 r/min to obtain a dispersion liquid A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 130 ℃, carrying out reflux reaction for 6 hours, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 4 hours, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), stirring for 5 hours under the condition of 4000 revolutions per minute, filtering and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 11;
(3) placing the powder in a muffle furnace, and calcining for 4 hours at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 1.7;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting for 60min at 40-50 ℃, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.05;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Example 6
The anti-seismic and anti-cracking sleeve grouting material for the fabricated building comprises the following components in parts by weight:
68 parts of cement, 53 parts of quartz sand,
1.8 parts of sodium polyacrylate, 3.5 parts of water reducing agent,
1.8 parts of retarder, 0.8 part of defoaming agent,
0.45 part of expanding agent and 2.5 parts of modified composite filler;
wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: 1.4;
the preparation method comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 5.5h, drying, adding into cyclohexane under the condition of 1200 rpm, stirring and dispersing to obtain a dispersion liquid A;
(2) adding copper acetylacetonate into oleylamine, stirring for dissolving, transferring into a three-neck flask, heating to 140 ℃, carrying out reflux reaction for 7 hours, continuously adding silica sol into a reaction solution after the reaction is finished, continuously carrying out reflux reaction for 4.5 hours, filtering and drying after the reaction is finished, adding a dried solid into the dispersion liquid A prepared in the step (1), stirring for 2.5 hours under the condition of 4500 rpm, filtering, and drying to prepare powder; wherein the mass ratio of the copper acetylacetonate to the oleylamine is 1: 13;
(3) placing the powder in a muffle furnace, and calcining for 4.5 hours at the temperature of 200-300 ℃ in an air atmosphere to prepare a composite filler; the composite filler is a composite material of copper oxide and silica gel, and the mass ratio of the copper oxide to the silica gel is 1: 1.8;
(4) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting at 40-50 ℃ for 70min, filtering after the reaction is finished, and drying the filtered solid to obtain a modified composite filler; wherein the mass ratio of the composite filler to the silane coupling agent is 1: 0.06;
(5) adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
Comparative example 1
The sleeve grouting material is not added with the modified composite filler, and other conditions are the same as the embodiment 6.
The performance of the sleeve grouting material prepared by the invention is tested, and the test results are shown in table 1.
TABLE 1
From the test results, the mortar prepared by the invention has no water seepage phenomenon, good fluidity, high strength and slight expansion.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The anti-seismic and anti-cracking sleeve grouting material for the fabricated building is characterized by comprising the following components in parts by weight:
50-70 parts of cement, 40-55 parts of quartz sand,
1-2 parts of sodium polyacrylate, 2-4 parts of water reducing agent,
0.5 to 2 portions of retarder, 0.5 to 1 portion of defoamer,
0.1-0.5 part of expanding agent and 1-3 parts of modified composite filler;
the preparation method of the modified composite filler comprises the following steps:
(1) cleaning and drying rice hull powder, adding ethanol, grinding for 3-6h, drying, adding into cyclohexane, stirring and dispersing to obtain a dispersion A;
(2) adding copper acetylacetonate into oleylamine, stirring and dissolving, transferring into a three-neck flask, heating to 100-150 ℃, carrying out reflux reaction for 1-8h, continuously adding silica sol into the reaction solution after the reaction is finished, continuously carrying out reflux reaction for 3-5h, filtering and drying after the reaction is finished, adding the dried solid into the dispersion solution A prepared in the step (1), carrying out stirring treatment for 1-3h under the condition of 3000-5000 rpm, filtering and drying to prepare powder;
(3) placing the powder in a muffle furnace, and calcining for 1-5h to obtain a composite filler;
(4) and (2) performing microwave irradiation treatment on the composite filler, then adding the composite filler into an ethanol solution of a silane coupling agent, stirring and reacting at 40-50 ℃ for 40-80min, filtering after the reaction is finished, and drying the filtered solid to obtain the modified composite filler.
2. An earthquake-resistant and crack-resistant sleeve grouting material for an assembly type building as claimed in claim 1, wherein the water reducing agent is sodium lignosulfonate.
3. An anti-seismic and anti-cracking sleeve grouting material for an assembled building as claimed in claim 1, wherein the retarder is a mixture of sodium citrate and sodium tartrate, and the mass ratio of the sodium citrate to the sodium tartrate is 1: (0.5-1.5).
4. An anti-seismic and anti-cracking sleeve grouting material for an assembly type building as claimed in claim 1, wherein the defoaming agent is an organic silicon defoaming agent.
5. An earthquake-resistant and crack-resistant sleeve grouting material for an assembly type building as claimed in claim 1, wherein in the step (1), the rotation speed of the stirring is 800-.
6. An anti-seismic and anti-cracking sleeve grouting material for an assembly type building as claimed in claim 1, wherein in the step (2), the mass ratio of copper acetylacetonate to oleylamine is 1: (8-15).
7. An earthquake-resistant and crack-resistant sleeve grouting material for an assembly type building as claimed in claim 1, wherein in the step (3), the atmosphere of the calcination treatment is air atmosphere, and the temperature of the calcination treatment is 200-300 ℃.
8. An anti-seismic and anti-cracking sleeve grouting material for an assembly type building as claimed in claim 1, wherein in the step (4), the mass ratio of the composite filler to the silane coupling agent is 1: (0.03-0.07).
9. The preparation method of the prefabricated building earthquake-resistant and crack-resistant sleeve grouting material according to any one of claims 1 to 8, characterized by comprising the following steps:
adding the cement, the quartz sand and the modified composite filler into a stirrer, uniformly stirring and mixing, and then continuously adding the sodium polyacrylate, the water reducing agent, the retarder, the defoaming agent and the expanding agent, and uniformly stirring to obtain the sleeve grouting material.
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