CN114105549A - Concrete with high anti-seismic performance and preparation method thereof - Google Patents
Concrete with high anti-seismic performance and preparation method thereof Download PDFInfo
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- CN114105549A CN114105549A CN202111666552.2A CN202111666552A CN114105549A CN 114105549 A CN114105549 A CN 114105549A CN 202111666552 A CN202111666552 A CN 202111666552A CN 114105549 A CN114105549 A CN 114105549A
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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
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
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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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides concrete with high anti-seismic performance and a preparation method thereof, and relates to the technical field of concrete materials. The concrete with high anti-seismic performance and the preparation method thereof comprise the following raw materials in parts by weight: 400-450 parts of volcanic ash cement, 1180-1225 parts of coarse aggregate, 80-100 parts of coarse sand, 300-320 parts of medium sand, 130-160 parts of fine sand, 50-70 parts of nano calcium carbonate, 60-80 parts of zeolite powder, 20-25 parts of a water reducing agent, 0.1-0.15 part of an air entraining agent, 180-200 parts of purified water, 0.25-0.3 part of sodium polyacrylate, 0.09-0.1 part of a repair liquid and 0.1-0.12 part of a waterproof coating. The conglomerate is crushed by the impact crusher, the content of needle-shaped aggregates is reduced, the toughness of the aggregates is guaranteed, the effectiveness of the waterproof performance is guaranteed, the waterproof coating has good waterproofness and elasticity, the anti-cracking effect is good, if cracks appear in concrete, calcium carbonate actinomycetes are produced to deposit calcium carbonate at the cracks, and the waterproof performance of the concrete can be kept for a long time.
Description
Technical Field
The invention relates to the technical field of concrete materials, in particular to concrete with high anti-seismic performance and a preparation method thereof.
Background
The concrete mainly comprises gel materials, aggregates and water, and proper additives and admixtures can be added into the concrete raw materials according to the actual use condition, the anti-seismic performance of the concrete is a necessary defensive index in the building engineering, and the anti-seismic performance is concerned about the human reproduction and social development.
The concrete building wall body with high anti-seismic performance has better elastoplasticity and is not easy to crack, the anti-seismic performance plays a role in strengthening the waterproof performance of concrete, however, the existing concrete material still has a space for improving the waterproof performance, and even if the concrete has better elastoplasticity, the cracking problem can not be completely overcome, if small cracks appearing on a concrete outer wall in the building construction process or the using process are not repaired in time, the small cracks can be expanded in a short time, so that the waterproof performance of the concrete is greatly reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides concrete with high anti-seismic performance and a preparation method thereof, and solves the problem that the waterproof performance of the concrete is difficult to maintain for a long time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the concrete with high earthquake resistance comprises the following raw materials in parts by weight: 400-450 parts of volcanic ash cement, 1180-1225 parts of coarse aggregate, 80-100 parts of coarse sand, 300-320 parts of medium sand, 130-160 parts of fine sand, 50-70 parts of nano calcium carbonate, 60-80 parts of zeolite powder, 20-25 parts of a water reducing agent, 0.1-0.15 part of an air entraining agent, 180-200 parts of purified water, 0.25-0.3 part of sodium polyacrylate, 0.09-0.1 part of a repair liquid and 0.1-0.12 part of a waterproof coating.
Preferably, the preparation method of the concrete with high earthquake resistance comprises the following steps:
s1, aggregate preparation
Cleaning the conglomerate, airing to obtain clean conglomerate, crushing the clean conglomerate by using a counterattack crusher, screening the crushed conglomerate by using a vibrating screen to obtain coarse aggregate and fine stone, wherein D90 of the coarse aggregate is 5mm, the granularity of the fine stone is less than 5mm, and then finely screening and grinding the fine stone for multiple times by using an airflow screen and a ball mill to obtain coarse sand, medium sand and fine sand, wherein D90 of the coarse sand is 1mm, D90 of the medium sand is 0.4mm, and D90 of the fine sand is 0.3 mm;
s2, culturing by using a repair liquid
Adding a Gauss-I liquid culture medium and a calcium bicarbonate solution into a plurality of culture dishes, inoculating calcium carbonate-producing actinomycetes into the culture dishes, performing shake culture for 5-7 d, selecting the culture dish with the most white precipitates, inoculating the actinomycetes in the culture dish into a culture tank filled with the Gauss-I liquid culture medium, performing propagation culture for 7-9 d, deoxidizing the culture tank through a vacuum deaerator, adding carbonic anhydrase, urease and calcium bicarbonate into the culture tank, and then sealing the culture tank to obtain a repair solution;
s3, paint preparation
Adding ethyl cellulose into a stirring tank A filled with coconut oil alcohol sodium sulfate aqueous solution, stirring at the temperature of 50-70 ℃, stirring for 25-30 min to obtain a filler suspension, introducing the filler suspension and waterborne polyurethane into a homogenizer for homogenization, wherein the homogenization temperature is 40-55 ℃, adding an emulsifier and an anti-settling agent into the homogenizer for secondary homogenization after 15-25 min, and the secondary homogenization temperature is 50-60 ℃, and homogenizing for 10-20 min to obtain a waterproof coating;
s4. concrete preparation
Adding the pozzolana cement, coarse aggregate, coarse sand, medium sand, fine sand, zeolite powder, a water reducing agent, an air entraining agent and purified water into a concrete mixer, stirring for 10-15 min to obtain a raw material mixture, introducing nano calcium carbonate and sodium polyacrylate into a stirring tank B, stirring for 15-25 min to obtain a calcium carbonate suspension, adding the calcium carbonate suspension into the concrete mixer, stirring for 5-10 min to obtain a concrete mixture, pouring the concrete mixture, spraying a repair liquid onto the surface of the concrete through a spray gun A before final setting of the concrete mixture, spraying a chlorinated polyethylene resin plastic solution onto the surface of the concrete through a spray gun B to form a film with a curing effect on the surface of the cured concrete, obtaining a semi-finished concrete product after curing, spraying a waterproof coating onto the surface of the semi-finished concrete through a spray gun C, and obtaining a concrete finished product.
Preferably, an air pump is used for continuously aerating the bottom of the culture tank in the propagation culture process in S2.
Preferably, the culture temperature of the domestication culture and the propagation culture in the S2 is 25-28 ℃.
Preferably, the anti-settling agent in S3 is fumed silica.
Preferably, the emulsifier in S3 is sodium citrate.
Preferably, the film on the surface of the concrete semi-finished product is automatically aged after the curing in S4, and the film on the surface of the concrete semi-finished product is removed by an air gun before the waterproof paint is sprayed.
(III) advantageous effects
The invention provides concrete with high anti-seismic performance and a preparation method thereof. The method has the following beneficial effects:
the conglomerate is crushed by the impact crusher, the content of needle-shaped aggregates is reduced, the toughness of the aggregates is ensured, the aggregates are filled by matching coarse sand, medium sand and fine sand with nano calcium carbonate and sodium polyacrylate, the uniformity of the texture of a concrete finished product is ensured, the hidden danger of reducing the waterproof performance of the concrete due to the shattering of the concrete is reduced, the repairing liquid is sprayed before the final setting of a concrete mixture, the solidified concrete is maintained by a film formed by a perchloro-ethylene resin plastic solution, meanwhile, oxygen is isolated, calcium carbonate-producing actinomycetes in the repairing liquid are dormant, the waterproof coating is sprayed after the maintenance is finished, the calcium carbonate-producing actinomycetes are kept in a dormant state, the waterproof coating taking water-based polyurethane as a film-forming substance has better waterproof performance and elasticity after moisture is volatilized, the anti-cracking effect is good, and the concrete still has less cracking risk after long-term use, if the concrete cracks, the oxygen at the concrete crack is sufficient, calcium carbonate actinomycetes are produced to deposit calcium carbonate at the crack, so that the crack is prevented from expanding, and the waterproof performance of the concrete can be kept for a long time.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides concrete with high anti-seismic performance, which comprises the following raw materials in parts by weight: 420 parts of pozzolan cement, 1200 parts of coarse aggregate, 85 parts of coarse sand, 300 parts of medium sand, 135 parts of fine sand, 55 parts of nano calcium carbonate, 62 parts of zeolite powder, 23 parts of water reducing agent, 0.13 part of air entraining agent, 185 parts of purified water, 0.3 part of sodium polyacrylate, 0.09 part of repair liquid and 0.1 part of waterproof coating, wherein the zeolite powder improves the compression resistance of concrete, the water reducing agent is a concrete additive and plays a dispersing role, the fluidity of the concrete mixture is ensured, the air entraining agent improves the workability, the water retention and the cohesiveness of the concrete mixture, the repair liquid can prevent the micro cracks on the surface of the concrete from expanding and automatically repair the cracks, the nano calcium carbonate is matched with the sodium polyacrylate to improve the hydration rate of the concrete and improve the solidification efficiency of the concrete mixture.
A preparation method of concrete with high earthquake resistance comprises the following steps:
s1, aggregate preparation
Cleaning the conglomerate, drying to obtain clean conglomerate, crushing the clean conglomerate by using a back-impact crusher, screening crushed conglomerates by a vibrating screen to obtain coarse aggregate and fine stone, wherein D90 of the coarse aggregate is 5mm, the granularity of the fine stone is less than 5mm, then finely screening and grinding the fine stone for a plurality of times by an airflow screen and a ball mill to obtain coarse sand, medium sand and fine sand, D90 of the coarse sand is 1mm, D90 of the medium sand is 0.4mm, D90 of the fine sand is 0.3mm, the conglomerate is crushed by the impact crusher, the content of the needle-shaped aggregate is reduced, the toughness of the aggregate is ensured, the aggregate is filled by matching coarse sand, medium sand and fine sand with nano calcium carbonate and sodium polyacrylate, so that the finished concrete product is uniform in texture, high anti-seismic performance of the concrete is ensured, and the hidden danger that the waterproof performance of the concrete is reduced due to the shattering of the concrete is reduced;
s2, culturing by using a repair liquid
Adding a Gauss-I liquid culture medium and a calcium bicarbonate solution into a plurality of culture dishes, inoculating calcium carbonate-producing actinomycetes into the culture dishes, performing shaking culture for 6d, selecting the culture dish with the most white precipitates, inoculating the actinomycetes in the culture dish into a culture tank filled with the Gauss-I liquid culture medium, performing propagation culture for 9d, deoxidizing the culture tank through a vacuum deaerator, adding carbonic anhydrase, urease and calcium bicarbonate into the culture tank, sealing the culture tank to obtain a repair solution, wherein the environment in the culture tank is in an anoxic state, and the calcium carbonate-producing actinomycetes are kept dormant before being mixed with a concrete mixture;
s3, paint preparation
Adding ethyl cellulose into a stirring tank A filled with a coconut oil alcohol sodium sulfate aqueous solution, stirring at 55 ℃, stirring for 26min to obtain a filler suspension, introducing the filler suspension and waterborne polyurethane into a homogenizer, homogenizing at 42 ℃, adding an emulsifier and an anti-settling agent into the homogenizer after 25min, homogenizing for the second time at 53 ℃, and homogenizing for the second time for 12min to obtain a waterproof coating, wherein the waterproof coating taking waterborne polyurethane as a film forming substance has good waterproofness and elasticity after moisture is volatilized, and the anti-cracking effect is good;
s4. concrete preparation
Adding the pozzolana cement, coarse aggregate, coarse sand, medium sand, fine sand, zeolite powder, a water reducing agent, an air entraining agent and purified water into a concrete mixer, stirring for 12min to obtain a raw material mixture, introducing nano calcium carbonate and sodium polyacrylate into a stirring tank B, stirring for 22min to obtain a calcium carbonate suspension, adding the calcium carbonate suspension into the concrete mixer, stirring for 6min to obtain a concrete mixture, pouring the concrete mixture, spraying a repair liquid to the surface of the concrete through a spray gun A before the concrete mixture is finally solidified to obtain solidified concrete, spraying a perchloro-ethylene resin plastic solution to the surface of the concrete through the spray gun B to form a film with a curing effect on the surface of the solidified concrete, spraying a waterproof coating to the surface of the concrete semi-finished product through a spray gun C to obtain a concrete finished product, the method comprises the steps of spraying a repairing liquid before final setting of a concrete mixture, curing the cured concrete through a film formed by a perchloro-ethylene resin plastic solution, isolating oxygen, enabling calcium carbonate-producing actinomycetes in the repairing liquid to be dormant, spraying a waterproof coating after curing is finished, enabling the calcium carbonate-producing actinomycetes to be kept in a dormant state, enabling the concrete to still have a small cracking risk after long-term use, enabling oxygen at a crack of the concrete to be sufficient if the concrete is cracked, promoting the calcium carbonate-producing actinomycetes to produce calcium carbonate by using an anhydrase and a urease, enabling the calcium carbonate to be deposited at the crack, avoiding crack expansion, and ensuring that the waterproof performance of the concrete can be kept for a long time.
In the propagation expanding culture process of S2, the air pump is used for continuously aerating the bottom of the culture tank, so that sufficient oxygen in the culture tank is ensured, and the propagation expanding culture is ensured to be smoothly carried out.
The culture temperature for both acclimatization culture and propagation culture in S2 was 27 ℃.
The anti-settling agent in S3 is fumed silica, and the fumed silica can inhibit filler from settling.
The emulsifier in S3 is sodium citrate, which ensures a homogenising effect.
And S4, automatically aging the film on the surface of the concrete semi-finished product after the curing is finished, and removing the film on the surface of the concrete semi-finished product by an air gun before spraying the waterproof coating.
Example two:
the embodiment of the invention provides concrete with high anti-seismic performance and a preparation method thereof, wherein the concrete comprises the following raw materials in parts by weight: 450 parts of volcanic ash cement, 1220 parts of coarse aggregate, 90 parts of coarse sand, 320 parts of medium sand, 150 parts of fine sand, 66 parts of nano calcium carbonate, 72 parts of zeolite powder, 20 parts of water reducing agent, 0.1 part of air entraining agent, 195 parts of purified water, 0.25 part of sodium polyacrylate, 0.1 part of repair liquid and 0.12 part of waterproof coating, wherein the zeolite powder improves the compression resistance of concrete, the water reducing agent is a concrete additive and plays a dispersing role, the fluidity of the concrete mixture is ensured, the air entraining agent improves the workability, the water retention and the cohesiveness of the concrete mixture, the repair liquid can prevent the micro cracks on the surface of the concrete from expanding and automatically repair the cracks, the nano calcium carbonate is matched with the sodium polyacrylate to improve the hydration rate of the concrete and improve the solidification efficiency of the concrete mixture.
A preparation method of concrete with high earthquake resistance comprises the following steps:
s1, aggregate preparation
Cleaning the conglomerate, drying to obtain clean conglomerate, crushing the clean conglomerate by using a back-impact crusher, screening crushed conglomerates by a vibrating screen to obtain coarse aggregate and fine stone, wherein D90 of the coarse aggregate is 5mm, the granularity of the fine stone is less than 5mm, then finely screening and grinding the fine stone for a plurality of times by an airflow screen and a ball mill to obtain coarse sand, medium sand and fine sand, D90 of the coarse sand is 1mm, D90 of the medium sand is 0.4mm, D90 of the fine sand is 0.3mm, the conglomerate is crushed by the impact crusher, the content of the needle-shaped aggregate is reduced, the toughness of the aggregate is ensured, the aggregate is filled by matching coarse sand, medium sand and fine sand with nano calcium carbonate and sodium polyacrylate, so that the finished concrete product is uniform in texture, high anti-seismic performance of the concrete is ensured, and the hidden danger that the waterproof performance of the concrete is reduced due to the shattering of the concrete is reduced;
s2, culturing by using a repair liquid
Adding a Gauss-I liquid culture medium and a calcium bicarbonate solution into a plurality of culture dishes, inoculating calcium carbonate-producing actinomycetes into the culture dishes, performing shaking culture for 7d, selecting the culture dish with the most white precipitates, inoculating the actinomycetes in the culture dish into a culture tank filled with the Gauss-I liquid culture medium, performing propagation culture for 8d, deoxidizing the culture tank through a vacuum deaerator, adding carbonic anhydrase, urease and calcium bicarbonate into the culture tank, sealing the culture tank to obtain a repair solution, wherein the environment in the culture tank is in an anoxic state, and the calcium carbonate-producing actinomycetes are kept dormant before being mixed with a concrete mixture;
s3, paint preparation
Adding ethyl cellulose into a stirring tank A filled with a coconut oil alcohol sodium sulfate aqueous solution, stirring at 65 ℃ for 28min to obtain a filler suspension, introducing the filler suspension and waterborne polyurethane into a homogenizer for homogenization, homogenizing at 49 ℃, adding an emulsifier and an anti-settling agent into the homogenizer for secondary homogenization after 16min, homogenizing at 58 ℃ for 18min to obtain a waterproof coating, wherein the waterproof coating taking waterborne polyurethane as a film forming substance has good waterproofness and elasticity after moisture is volatilized, and the anti-cracking effect is good;
s4. concrete preparation
Adding the pozzolana cement, coarse aggregate, coarse sand, medium sand, fine sand, zeolite powder, a water reducing agent, an air entraining agent and purified water into a concrete mixer, stirring for 13min to obtain a raw material mixture, introducing nano calcium carbonate and sodium polyacrylate into a stirring tank B, stirring for 20min to obtain a calcium carbonate suspension, adding the calcium carbonate suspension into the concrete mixer, stirring for 8min to obtain a concrete mixture, pouring the concrete mixture, spraying a repair liquid to the surface of the concrete through a spray gun A before the concrete mixture is finally solidified to obtain solidified concrete, spraying a perchloro-ethylene resin plastic solution to the surface of the concrete through the spray gun B to form a film with a curing effect on the surface of the solidified concrete, spraying a waterproof coating to the surface of the concrete semi-finished product through a spray gun C to obtain a concrete finished product, the method comprises the steps of spraying a repairing liquid before final setting of a concrete mixture, curing the cured concrete through a film formed by a perchloro-ethylene resin plastic solution, isolating oxygen, enabling calcium carbonate-producing actinomycetes in the repairing liquid to be dormant, spraying a waterproof coating after curing is finished, enabling the calcium carbonate-producing actinomycetes to be kept in a dormant state, enabling the concrete to still have a small cracking risk after long-term use, enabling oxygen at a crack of the concrete to be sufficient if the concrete is cracked, promoting the calcium carbonate-producing actinomycetes to produce calcium carbonate by using an anhydrase and a urease, enabling the calcium carbonate to be deposited at the crack, avoiding crack expansion, and ensuring that the waterproof performance of the concrete can be kept for a long time.
And in the propagation culture process in S2, continuously aerating the bottom of the culture tank by using an air pump.
The culture temperature of the domestication culture and the propagation culture in the S2 is 26 ℃, and the calcium carbonate producing actinomycetes can be rapidly propagated at the temperature.
The anti-settling agent in S3 is fumed silica, and the fumed silica can inhibit filler from settling.
The emulsifier in S3 is sodium citrate, which ensures a homogenising effect.
And S4, automatically aging the film on the surface of the concrete semi-finished product after the curing is finished, and removing the film on the surface of the concrete semi-finished product through an air gun before spraying the waterproof paint to ensure the bonding effect of the waterproof paint.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a concrete with high shock resistance which characterized in that: the material comprises the following raw materials in parts by weight: 400-450 parts of volcanic ash cement, 1180-1225 parts of coarse aggregate, 80-100 parts of coarse sand, 300-320 parts of medium sand, 130-160 parts of fine sand, 50-70 parts of nano calcium carbonate, 60-80 parts of zeolite powder, 20-25 parts of a water reducing agent, 0.1-0.15 part of an air entraining agent, 180-200 parts of purified water, 0.25-0.3 part of sodium polyacrylate, 0.09-0.1 part of a repair liquid and 0.1-0.12 part of a waterproof coating.
2. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: the method comprises the following steps:
s1, aggregate preparation
Cleaning the conglomerate, airing to obtain clean conglomerate, crushing the clean conglomerate by using a counterattack crusher, screening the crushed conglomerate by using a vibrating screen to obtain coarse aggregate and fine stone, wherein D90 of the coarse aggregate is 5mm, the granularity of the fine stone is less than 5mm, and then finely screening and grinding the fine stone for multiple times by using an airflow screen and a ball mill to obtain coarse sand, medium sand and fine sand, wherein D90 of the coarse sand is 1mm, D90 of the medium sand is 0.4mm, and D90 of the fine sand is 0.3 mm;
s2, culturing by using a repair liquid
Adding a Gauss-I liquid culture medium and a calcium bicarbonate solution into a plurality of culture dishes, inoculating calcium carbonate-producing actinomycetes into the culture dishes, performing shake culture for 5-7 d, selecting the culture dish with the most white precipitates, inoculating the actinomycetes in the culture dish into a culture tank filled with the Gauss-I liquid culture medium, performing propagation culture for 7-9 d, deoxidizing the culture tank through a vacuum deaerator, adding carbonic anhydrase, urease and calcium bicarbonate into the culture tank, and then sealing the culture tank to obtain a repair solution;
s3, paint preparation
Adding ethyl cellulose into a stirring tank A filled with coconut oil alcohol sodium sulfate aqueous solution, stirring at the temperature of 50-70 ℃, stirring for 25-30 min to obtain a filler suspension, introducing the filler suspension and waterborne polyurethane into a homogenizer for homogenization, wherein the homogenization temperature is 40-55 ℃, adding an emulsifier and an anti-settling agent into the homogenizer for secondary homogenization after 15-25 min, and the secondary homogenization temperature is 50-60 ℃, and homogenizing for 10-20 min to obtain a waterproof coating;
s4. concrete preparation
Adding the pozzolana cement, coarse aggregate, coarse sand, medium sand, fine sand, zeolite powder, a water reducing agent, an air entraining agent and purified water into a concrete mixer, stirring for 10-15 min to obtain a raw material mixture, introducing nano calcium carbonate and sodium polyacrylate into a stirring tank B, stirring for 15-25 min to obtain a calcium carbonate suspension, adding the calcium carbonate suspension into the concrete mixer, stirring for 5-10 min to obtain a concrete mixture, pouring the concrete mixture, spraying a repair liquid onto the surface of the concrete through a spray gun A before final setting of the concrete mixture, spraying a chlorinated polyethylene resin plastic solution onto the surface of the concrete through a spray gun B to form a film with a curing effect on the surface of the cured concrete, obtaining a semi-finished concrete product after curing, spraying a waterproof coating onto the surface of the semi-finished concrete through a spray gun C, and obtaining a concrete finished product.
3. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: and in the S2 expanding propagation culture process, an air pump is used for continuously aerating the bottom of the culture tank.
4. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: the culture temperature of the domestication culture and the propagation culture in the S2 is 25-28 ℃.
5. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: the anti-settling agent in S3 is fumed silica.
6. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: the emulsifier in S3 is sodium citrate.
7. The method for preparing concrete with high earthquake resistance according to claim 1, wherein the concrete is prepared by the following steps: and (8) automatically aging the film on the surface of the concrete semi-finished product after the curing is finished in the step S4, and removing the film on the surface of the concrete semi-finished product through an air gun before spraying the waterproof coating.
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