CN108929079A - A kind of assembled architecture seismic crack sleeve grouting material and preparation method thereof - Google Patents
A kind of assembled architecture seismic crack sleeve grouting material and preparation method thereof Download PDFInfo
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- CN108929079A CN108929079A CN201810865190.1A CN201810865190A CN108929079A CN 108929079 A CN108929079 A CN 108929079A CN 201810865190 A CN201810865190 A CN 201810865190A CN 108929079 A CN108929079 A CN 108929079A
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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
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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 kind of assembled architecture preparation methods of seismic crack sleeve grouting material, in parts by weight, including following components: 50-70 parts of cement, 40-55 parts of quartz sand, 1-2 parts of sodium polyacrylate, 2-4 parts of water-reducing agent, 0.5-2 parts of retarder, it is 0.5-1 parts of defoaming agent, 0.1-0.5 parts of swelling agent, compounded mix 1-3 parts modified.The invention also discloses the preparation methods of the sleeve grouting material.Sleeve grouting material intensity disclosed by the invention is big, and stability is good, microdilatancy, no Qinshui phenomenon, at low cost.
Description
Technical field:
The present invention relates to the field of building materials, are specifically related to a kind of assembled architecture seismic crack sleeve grouting material.
Background technique:
Building passes through the industrialization production of the products such as inside and outside wall board, on-site consolidation now, not only increases the quality of product,
And the labor intensity of field worker is greatly reduced.Prefabricated components needed for assembled architecture carry out in specialized factory
Mechanization production, precision is high, and quality is secure, and reduces the waste of material, and energy-saving and emission-reduction, protection ring have been better achieved
The principles and policies in border.In assembled arthitecutral structure, the rebar connecting technology of prefabricated components becomes it and constitutes frame structure entirety
It is crucial.Grout sleeve connection is a kind of new reinforcing steel bar connection type for being developed by engineering practice needs and technology and being generated.Reinforcing bar
Sleeve grouting connection be by sleeve grouting material inject sleeve in, come into full contact with two end bars, grouting material hardening after with reinforcing bar
Cross rib and sleeve lining groove or fin tightly engage, and realize the connection of 2 reinforcing bars up and down.
Sleeve grouting material fastens reinforcing bar by the dilatancy of itself, reinforcing steel bar and sleeve grouting material, sleeve grouting material with
The active force of sleeve lining.Therefore, the performance of sleeve grouting material is the key that realize that prefabricated components are longitudinally connected.With assembled
The application of building, reinforcing bar sleeve for connection grouting material are obtained extensively with it with performances such as microdilatancy, high-strength, early strong and workability
Using.There are many research both at home and abroad about strength cement-based grouting material and high performance grouting material.
Patent 201611184010.0 discloses a kind of assembled architecture reinforcing bar sleeve for connection grouting material, is by reinforcing bar
Sleeve grouting material dry powder adds water and water-reducing agent to mix and stir, and each component constitutes as follows by mass percentage: cement 40-45%, carefully
Aggregate 45-55%, silicon ash 2-3%, superfine graining blast-furnace cinder 2-3, swelling agent 2-3, retarder 0.1-0.2%, defoaming agent
0.15-0.25%, water-cement ratio 0.24-0.26%, water-reducing agent volume are the 2.5-3.5% of binder total amount.The present invention is made
Sleeve grouting material have that mobility big, early stage and later strength be high, early stage microdilatancy, later period ungauged regions, no Qinshui, to reinforcing bar
The features such as non-corroding.
Summary of the invention:
The object of the present invention is to provide a kind of assembled architecture sleeve grouting materials, and intensity is big, and stability is good, micro- swollen
Swollen, no Qinshui phenomenon is at low cost.
It is a further object to provide the assembled architecture preparation methods of seismic crack sleeve grouting material.
To achieve the above object, the invention adopts the following technical scheme:
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
50-70 parts of cement, 40-55 parts of quartz sand,
1-2 parts of sodium polyacrylate, 2-4 parts of water-reducing agent,
0.5-2 parts of retarder, 0.5-1 parts of defoaming agent,
It is 0.1-0.5 parts of swelling agent, compounded mix 1-3 parts modified;
Wherein be modified compounded mix preparation method the following steps are included:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 3-6h is added, is added in hexamethylene and is stirred after dry
Dispersion liquid A is made in dispersion;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 100-150
DEG C, back flow reaction 1-8h continuously adds silica solution into reaction solution after reaction, continues back flow reaction 3-5h, and reaction terminates
After filter, it is dry, it is dry after solid be added in dispersion liquid A made from step (1), stirred in the state of 3000-5000 revs/min
Processing 1-3h is mixed, is then filtered, it is dry, powder is made;
(3) above-mentioned powder is placed in Muffle furnace, calcination processing 1-5h, compounded mix is made;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 40-80min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made.
As a preferred embodiment of the above technical solution, the water-reducing agent is sodium lignin sulfonate.
As a preferred embodiment of the above technical solution, the retarder is the mixture of sodium citrate and sodium tartrate, the two matter
Amount is than being 1:(0.5-1.5).
As a preferred embodiment of the above technical solution, the defoaming agent is organic silicon defoamer.
As a preferred embodiment of the above technical solution, in step (1), the revolving speed of the stirring is 800-1300 revs/min.
As a preferred embodiment of the above technical solution, in step (2), the mass ratio of the acetylacetone copper and oleyl amine is 1:(8-
15)。
As a preferred embodiment of the above technical solution, in step (3), the atmosphere of the calcination processing is air atmosphere, at calcining
The temperature of reason is 200-300 DEG C.
As a preferred embodiment of the above technical solution, in step (3), the compounded mix is the composite wood of copper oxide, Silica hydrogel
Material, the two mass ratio are 1:(1.3-2).
As a preferred embodiment of the above technical solution, in step (4), the mass ratio of compounded mix and silane coupling agent is 1:
(0.03-0.07)。
A kind of preparation method of assembled architecture seismic crack sleeve grouting material, comprising the following steps:
Cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceedes to be added poly- third
Olefin(e) acid is received, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
The invention has the following advantages:
In order to improve the mechanical property of sleeve grouting material, the present invention is first original with powdered rice hulls, silica solution, acetylacetone copper
Compounded mix is made using preparation process appropriate in material, which is the compound of copper oxide, Silica hydrogel, and performance is steady
Fixed, cupric oxide powder is scattered in the stomata inner wall of Silica hydrogel, is effectively improved the intensity of mortar;And it can replace part quartz
Sand, the preparation cost for the sleeve mortar being effectively reduced;
The present invention adds suitable Sodium Polyacrylate, can effectively increase the consistency of slurry, and guarantee, which is gathered materials, to be uniformly distributed
In mortar, the working performance of sleeve slurry is improved;The present invention is using the mixture of sodium citrate and sodium tartrate as slow setting
Agent, and the mass ratio of the two is rationally adjusted, retarder obtained can effectively postpone cement setting time, so as to improve sleeve grouting
Expect the working performance after adding water and stirring;
The present invention effectively adjusts the dosage and preparation process of each component, and sleeve grouting material intensity obtained is big, stability
Well, microdilatancy, no Qinshui phenomenon are at low cost.
Specific embodiment:
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 swelling agent, modified 1 part of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:0.5;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 3h is added, is added in hexamethylene 800 revs/min after dry
Under the conditions of be stirred dispersion, be made dispersion liquid A;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 100 DEG C, returned
Stream reaction 1h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 3h, filter after reaction, do
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 1-3h in the state of 3000 revs/min, so
After filter, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:8;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 1h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:1.3;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 40min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.03;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Embodiment 2
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 swelling agent, modified 3 parts of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:0.5;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 6h is added, is added in hexamethylene 1300 revs/min after dry
Under conditions of be stirred dispersion, be made dispersion liquid A;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 150 DEG C, returned
Stream reaction 8h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 5h, filter after reaction, do
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 3h in the state of 5000 revs/min, then
Filtering, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:15;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 1-5h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:2;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 80min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.07;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Embodiment 3
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 defoaming agent,
0.2 part of swelling agent, modified 1.5 parts of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:0.7;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 4h is added, is added in hexamethylene 900 revs/min after dry
Under the conditions of be stirred dispersion, be made dispersion liquid A;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 110 DEG C, returned
Stream reaction 2h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 3.5h, filter after reaction,
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 1.5h in the state of 3000 revs/min,
Then it filters, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:10;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 2h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:1.5;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 50min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.04;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Embodiment 4
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 swelling agent, modified 2 parts of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:0.9;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 4h is added, is added in hexamethylene 1000 revs/min after dry
Under conditions of be stirred dispersion, be made dispersion liquid A;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 120 DEG C, returned
Stream reaction 4h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 4h, filter after reaction, do
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 1.5h in the state of 3500 revs/min, so
After filter, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:12;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 3h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:1.7;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 60min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.05;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Embodiment 5
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 swelling agent, modified 2.5 parts of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:1.1;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 5h is added, is added in hexamethylene 1100 revs/min after dry
Under conditions of be stirred dispersion, be made dispersion liquid A;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 130 DEG C, returned
Stream reaction 6h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 4h, filter after reaction, do
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 5h in the state of 4000 revs/min, then
Filtering, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:11;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 4h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:1.7;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 60min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.05;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Embodiment 6
A kind of assembled architecture seismic crack sleeve grouting material, in parts by weight, including following components:
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 swelling agent, modified 2.5 parts of compounded mix;
Wherein, the retarder is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:1.4;
Preparation method includes the following steps:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 5.5h is added, be added in hexamethylene after dry 1200 turns/
It is stirred dispersion under conditions of point, dispersion liquid A is made;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 140 DEG C, returned
Stream reaction 7h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 4.5h, filter after reaction,
Dry, the solid after drying is added in dispersion liquid A made from step (1), stir process 2.5h in the state of 4500 revs/min,
Then it filters, it is dry, powder is made;Wherein, the mass ratio of the acetylacetone copper and oleyl amine is 1:13;
(3) above-mentioned powder is placed in Muffle furnace, air atmosphere, calcination processing 4.5h at 200-300 DEG C are made compound and fill out
Material;Wherein, compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:1.8;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent,
Be stirred to react 70min at 40-50 DEG C, after filter, filtered solid is dry, modified compounded mix is made;Wherein, multiple
The mass ratio for closing filler and silane coupling agent is 1:0.06;
(5) cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceed to be added
Sodium polyacrylate, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
Comparative example 1
Modified compounded mix is added without in sleeve grouting material, other conditions and embodiment 6 are identical.
Sleeve grouting material produced by the present invention is tested for the property below, test result is as shown in table 1.
Table 1
It can be seen that mortar produced by the present invention without Qinshui phenomenon from test result above, good fluidity, intensity is big, micro-
Expansion.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of assembled architecture seismic crack sleeve grouting material, which is characterized in that in parts by weight, including following components:
50-70 parts of cement, 40-55 parts of quartz sand,
1-2 parts of sodium polyacrylate, 2-4 parts of water-reducing agent,
0.5-2 parts of retarder, 0.5-1 parts of defoaming agent,
It is 0.1-0.5 parts of swelling agent, compounded mix 1-3 parts modified;
Wherein be modified compounded mix preparation method the following steps are included:
(1) by powdered rice hulls clean dry, ethyl alcohol milled processed 3-6h is added, is added in hexamethylene and is stirred point after dry
It dissipates, dispersion liquid A is made;
(2) acetylacetone copper is added in oleyl amine, is transferred in three-necked flask after stirring and dissolving, be warming up to 100-150 DEG C, returned
Stream reaction 1-8h, continuously adds silica solution into reaction solution after reaction, continues back flow reaction 3-5h, after reaction mistake
Filter, dry, the solid after drying is added in dispersion liquid A made from step (1), in the state of 3000-5000 revs/min at stirring
1-3h is managed, is then filtered, it is dry, powder is made;
(3) above-mentioned powder is placed in Muffle furnace, calcination processing 1-5h, compounded mix is made;
(4) above-mentioned compounded mix is handled using microwave irradiation, is then added in the ethanol solution of silane coupling agent, 40-50
40-80min is stirred to react at DEG C, after filter, filtered solid is dry, modified compounded mix is made.
2. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that the diminishing
Agent is sodium lignin sulfonate.
3. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that the slow setting
Agent is the mixture of sodium citrate and sodium tartrate, and the two mass ratio is 1:(0.5-1.5).
4. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that the defoaming
Agent is organic silicon defoamer.
5. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that step (1)
In, the revolving speed of the stirring is 800-1300 revs/min.
6. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that step (2)
In, the mass ratio of the acetylacetone copper and oleyl amine is 1:(8-15).
7. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that step (3)
In, the atmosphere of the calcination processing is air atmosphere, and the temperature of calcination processing is 200-300 DEG C.
8. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that step (3)
In, the compounded mix is the composite material of copper oxide, Silica hydrogel, and the two mass ratio is 1:(1.3-2).
9. a kind of assembled architecture seismic crack sleeve grouting material as described in claim 1, which is characterized in that step (4)
In, the mass ratio of compounded mix and silane coupling agent is 1:(0.03-0.07).
10. a kind of preparation method of assembled architecture seismic crack sleeve grouting material as described in any one of claim 1 to 9,
Characterized by comprising the following steps:
Cement, quartz sand, modified compounded mix are added in blender and are uniformly mixed, then proceedes to that polyacrylic acid is added
It receives, water-reducing agent, retarder, defoaming agent, swelling agent stir evenly obtained sleeve grouting material.
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CN102936115A (en) * | 2012-11-15 | 2013-02-20 | 上海台界化工有限公司 | Production method of cement-based grouting material |
CN104003681A (en) * | 2014-06-03 | 2014-08-27 | 中交上海三航科学研究院有限公司 | Offshore wind power duct rack grouting material and construction method thereof |
CN106699077A (en) * | 2016-12-19 | 2017-05-24 | 重庆市建筑科学研究院 | Sleeve grouting material for assembly type building steel bar connection |
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 |
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