CN110792209B - Facing fair-faced concrete wall and construction process thereof - Google Patents
Facing fair-faced concrete wall and construction process thereof Download PDFInfo
- Publication number
- CN110792209B CN110792209B CN201911018593.3A CN201911018593A CN110792209B CN 110792209 B CN110792209 B CN 110792209B CN 201911018593 A CN201911018593 A CN 201911018593A CN 110792209 B CN110792209 B CN 110792209B
- Authority
- CN
- China
- Prior art keywords
- nano
- powder
- parts
- concrete
- nanometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/0076—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials characterised by the grain distribution
- C04B20/008—Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Dispersion Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the technical field of wall construction, and provides a construction process of a facing fair-faced concrete wall aiming at the problem of short service life, wherein the technical scheme is as follows: the method comprises the following steps: s1, building a reinforcement cage; s2, building a pouring template; s3, pouring anti-freezing concrete slurry; s4, maintaining; s5, disassembling the pouring template; s6, polishing the wall surface; the antifreeze concrete slurry comprises the following components in parts by weight: 100 parts of Portland cement; 350 portions of fine aggregate and 400 portions of fine aggregate; 150 portions of nano aggregate and 200 portions of nano aggregate; 15-30 parts of 4- (9H-carbazole-9-yl) phenylboronic acid; 90-110 parts of water. Through pouring the frost-resistant concrete grout for the frost-resistant ability of veneer fair-faced concrete wall is stronger, makes the wall body difficult because of being frozen and lead to intensity to descend when in cold areas, makes veneer fair-faced concrete wall stable in structure, longer, the application scope is wider.
Description
Technical Field
The invention relates to the technical field of wall construction, in particular to a facing fair-faced concrete wall and a construction process thereof.
Background
The fair-faced concrete wall is a wall with concrete directly serving as a facing, the wall is formed by one-step pouring, the form of the concrete is taken as the facing of the wall, and the fair-faced concrete wall has better natural texture.
Because the additional processing no longer is done on veneer clear water concrete wall surface for concrete structure need with environment direct contact, when temperature is cold on the same day, concrete structure will directly receive cold injury, can't receive protective structure's such as wall surface's heat preservation protection, make veneer clear water concrete wall easily suffer from freezing in cold areas and lead to the intensity to descend, life is shorter, consequently, still improves the space.
Disclosure of Invention
Aiming at the defects in the prior art, the first purpose of the invention is to provide a construction process of a facing fair-faced concrete wall, which has the advantage that the wall is not easy to reduce in strength due to freezing.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction process of a veneer fair-faced concrete wall comprises the following steps:
s1, building a reinforcement cage;
s2, building a pouring template;
s3, pouring anti-freezing concrete slurry;
s4, maintaining;
s5, disassembling the pouring template;
s6, polishing the wall surface;
the antifreeze concrete slurry comprises the following components in parts by weight:
100 parts of Portland cement;
350 portions of fine aggregate and 400 portions of fine aggregate;
150 portions of nano aggregate and 200 portions of nano aggregate;
15-30 parts of triphenyl silylene;
90-110 parts of water.
By adopting the technical scheme, the frost-resistant concrete grout is poured in the step 3, so that the finish fair-faced concrete wall has stronger frost resistance, the wall is not easy to be frozen to cause strength reduction in cold areas, and the finish fair-faced concrete wall has stable structure, longer service life and wider application range;
the triphenylsilacetylene is added into the antifreeze concrete slurry, so that the antifreeze capacity of the antifreeze fair-faced concrete is improved, and the wall body formed by pouring the antifreeze concrete slurry is improved, and the wall body is stable in structure, long in service life and wide in application range;
by adding the nano aggregate into the antifreeze concrete slurry and filling gaps among the fine aggregates with the nano aggregate, the antifreeze fair-faced concrete structure is more compact, so that the structure of the veneer fair-faced concrete wall is compact and is not easy to seep water, and the condition that water freezes in pores of the wall structure to cause cracking is reduced;
by adding the coarse aggregate into the antifreeze concrete slurry, the porosity of the antifreeze fair-faced concrete is effectively reduced, the impermeability of the wall body is more effectively improved, and the antifreeze capacity of the wall body is further improved to a certain extent.
The invention is further configured to: the antifreeze concrete slurry also comprises the following components in parts by weight:
0.3-0.5 part of 2-phenylbutyryl benzene;
0.1-0.3 part of diphenyl dihydroxy silane.
By adopting the technical scheme, 2-phenylbutyryl benzene and diphenyl dihydroxy silane are added into the antifreeze concrete slurry and are matched with triphenyl silicone acetylene in a specific proportion, the effect of improving the antifreeze capacity of the wall body by triphenyl silicone acetylene is effectively increased, the antifreeze capacity of the wall body is stronger, the structure of the wall body is stable, the service life is longer, and the application range is wider.
The invention is further configured to: the antifreeze concrete slurry also comprises the following components in parts by weight:
25-30 parts of glass fiber.
By adopting the technical scheme, the glass fiber is added into the antifreeze concrete slurry, so that the anti-cracking capacity of the antifreeze concrete structure is improved, the structural stability of the wall body is improved, the antifreeze concrete structure is not easy to crack, and the service life is longer.
The invention is further configured to: the antifreeze concrete slurry also comprises the following components in parts by weight:
15-20 parts of hollow glass beads;
5-10 parts of ceramic particles.
Through adopting above-mentioned technical scheme, through adding hollow glass microballon and ceramic granule in the frost resisting concrete thick liquid for concrete structure's compressive strength increases, makes wall structure stability better, makes the wall body have better heat preservation effect simultaneously, makes the building of putting up through veneer fair-faced concrete wall body have better energy-concerving and environment-protective effect.
The invention is further configured to: the antifreeze concrete slurry also comprises the following components in parts by weight:
30-45 parts of polyurethane adhesive.
Through adopting above-mentioned technical scheme, through adding the polyurethane adhesive in the frost resistant concrete thick liquid for in the space between the polyurethane adhesive infiltration fine aggregate, further improve concrete structure's closely knit degree, simultaneously because the polyurethane adhesive has better hydrophobicity, make concrete structure's space better prevent the infiltration after being filled, make the impervious ability of wall body stronger, and then more effectively reduce the condition that the wall body ftractures that the infiltration moisture leads to freezing in the wall body.
The invention is further configured to: the nanometer aggregate comprises one or more of nanometer dolomite powder, nanometer talcum powder, nanometer calcium carbonate powder, nanometer calcite powder, nanometer halloysite powder, nanometer wollastonite powder, nanometer radium stone powder and nanometer carbon powder.
Through adopting above-mentioned technical scheme for the effect preferred of reinforcement wall body has improved the compressive strength of wall body, and impervious effect preferred simultaneously makes the wall body have better impervious ability, more effectively reduces the condition that permeates moisture and freeze and lead to the wall body fracture in the wall body.
The invention is further configured to: the nano aggregate is prepared from nano dolomite powder, nano talcum powder, nano calcium carbonate powder, nano calcite powder, nano halloysite powder, nano wollastonite powder, nano radium stone powder and nano carbon powder according to the proportion of 1: 6: 0.4: 0.2: 0.1: 2: 0.3: 1.2.
Through adopting above-mentioned technical scheme for the effect of reinforcement wall body is best, has improved the compressive strength of wall body by a relatively large margin, and impervious effect is best simultaneously for the wall body has better impervious ability, more effectively reduces the condition that the wall body ftractures that the infiltration moisture in the wall body and freezes.
The invention is further configured to: the preparation method of the antifreeze concrete slurry comprises the following steps:
a. mixing portland cement with water to form a cement slurry;
b. adding triphenyl silylacetylene into the cement slurry and uniformly stirring to form a premix;
c. adding the nano aggregate to the premix and stirring uniformly to form a mixture;
d adding fine aggregate into the mixture and uniformly stirring to form the antifreeze concrete slurry.
By adopting the technical scheme, the triphenylsilacetylene and the cement slurry are uniformly mixed, so that the triphenylsilacetylene is uniformly dispersed, and the condition that the triphenylsilacetylene is difficult to uniformly disperse after a large amount of aggregate is added is reduced;
by adding the nano-aggregate and then adding the fine aggregate, the nano-aggregate is dispersed more uniformly, so that the nano-aggregate is better filled in gaps among the fine aggregate, and the quality of the antifreeze concrete slurry is ensured.
Aiming at the defects in the prior art, the second purpose of the invention is to provide the fair-faced concrete wall which has the advantage that the strength of the wall is not easy to be reduced due to freezing.
In order to achieve the purpose, the invention provides the following technical scheme:
the veneer fair-faced concrete wall is prepared by adopting the construction process of the veneer fair-faced concrete wall.
By adopting the technical scheme, the veneer clear water concrete wall has better frost resistance, and can better resist harm caused by cold under the conditions of no appearance decoration and various protection structures, so that the veneer clear water concrete wall is stable in structure, long in service life and wide in applicability.
In conclusion, the invention has the following beneficial effects:
1. the frost-resistant concrete grout is poured in the step 3, so that the finish fair-faced concrete wall is high in frost resistance, the wall is not easy to be frozen in cold regions to cause strength reduction, and the finish fair-faced concrete wall is stable in structure, long in service life and wide in application range;
2. the triphenylsilacetylene is added into the antifreeze concrete slurry, so that the antifreeze capacity of the antifreeze fair-faced concrete is improved, and the wall body formed by pouring the antifreeze concrete slurry is improved, and the wall body is stable in structure, long in service life and wide in application range;
3. 2-phenylbutyryl benzene and diphenyl dihydroxy silane are added into the antifreeze concrete slurry and are matched with triphenyl silicone acetylene in a specific proportion, so that the effect of improving the antifreeze capacity of the wall body by triphenyl silicone acetylene is effectively improved, the antifreeze capacity of the wall body is stronger, the wall body is stable in structure, long in service life and wide in application range.
Drawings
FIG. 1 is a schematic flow chart of the construction process of the fair-faced concrete wall of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
In the following examples and comparative examples:
the Portland cement adopts Huaxin cement P.O42.5 sold by Hua Chi science and technology (Wuhan) Limited company;
the fine aggregate is river sand sold by Zhanteng mineral product processing factories in Lingshou county;
the triphenyl-silicon acetylene is triphenyl-silicon acetylene sold by Hubei cat Er Wo biological medicine limited company;
the water reducing agent is sodium lignosulfonate sold by Shanghai Yunji New Material science and technology Limited;
2-phenylbutyryl benzene is 2-phenylbutyryl benzene sold by Re Bo (Shanghai) Biochemical technology limited;
the diphenyl dihydroxy silane is diphenyl dihydroxy silane sold by Shanghai Yuan leaf Biotechnology company Limited;
the glass fiber is sold by Jiangsu Kandafu new material science and technology limited;
the hollow glass beads are the gap glass beads sold by Shengfei mineral product processing factories in Lingshu county;
black ceramic particles sold by platinum ore processing plants in Lingshou county;
the polyurethane adhesive is an F81 environment-friendly single-component waterborne polyurethane adhesive sold by Hainan BiKa waterborne new material Co.Ltd;
the nanometer dolomite powder is prepared by grinding dolomite powder sold by Shijiazhuangyanyao refractory material Co.Ltd;
the nano talcum powder is ground by adopting the osmanthus fragrans brand talcum powder sold by Shenzhen Shanghai powder science and technology Limited;
the nano calcium carbonate powder is prepared by grinding heavy calcium carbonate powder sold by Qingyuan high peak powder company Limited;
the nano calcite powder is prepared by grinding calcite powder sold by Guangzhou Jialiang mineral products GmbH;
the nanometer halloysite powder is prepared by grinding halloysite powder sold by mineral product processing factories in Lingshou county;
the nanometer wollastonite powder is ground by wollastonite powder sold by Qiangdong mineral product processing factories in Lingshui county;
the nanometer radium stone powder is prepared by grinding radium stone powder sold by Lingshou county Ruixin mineral powder factory;
the nanometer carbon powder is prepared by grinding carbon powder sold by Anhui Kerun nanometer science and technology Limited;
the particle diameters of the nano dolomite powder, the nano talcum powder, the nano calcium carbonate powder, the nano calcite powder, the nano halloysite powder, the nano wollastonite powder, the nano radium stone powder and the nano carbon powder are all 10nm-100 nm.
Example 1
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 90kg of water and 11kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. Adding 15kg of triphenyl silicon acetylene into the cement slurry, stirring for 10min at the rotating speed of 80r/min to form a premix.
c. Adding 15kg of nano dolomite powder, 75kg of nano talcum powder, 4.5kg of nano calcium carbonate powder, 3kg of nano calcite powder, 1.5kg of nano halloysite powder, 30kg of nano wollastonite powder, 4.5kg of nano radium powder and 16.5kg of nano carbon powder into the premix, rotating at 60r/min, and stirring for 20min to form a mixture.
d. 350kg of fine aggregate is added into the mixture, the rotating speed is 45r/min, the mixture is stirred for 20min to form antifreeze concrete slurry, the rotating speed is 25r/min, and the stirring is continued until the use is finished.
Example 2
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. 22.5kg of triphenyl silicon acetylene is added into the cement slurry, the rotating speed is 80r/min, and the mixture is stirred for 10min to form a premix.
c. 17.5kg of nano dolomite powder, 87.5kg of nano talcum powder, 5.25kg of nano calcium carbonate powder, 3.5kg of nano calcite powder, 1.75kg of nano halloysite powder, 35kg of nano wollastonite powder, 5.25kg of nano radium stone powder and 19.25kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 375kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 3
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 110kg of water and 9kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. 30kg of triphenyl silicon acetylene is added into the cement slurry, the rotating speed is 80r/min, and the mixture is stirred for 10min to form a premix.
c. Adding 20kg of nano dolomite powder, 100kg of nano talcum powder, 6kg of nano calcium carbonate powder, 4kg of nano calcite powder, 2kg of nano halloysite powder, 40kg of nano wollastonite powder, 6kg of nano radium powder and 22kg of nano carbon powder into the premix, stirring at the rotating speed of 60r/min for 20min to form a mixture.
d. Adding 400kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 4
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. Adding 25kg of triphenyl silicon acetylene into the cement slurry, stirring for 10min at the rotating speed of 80r/min to form a premix.
c. 18kg of nano dolomite powder, 90kg of nano talcum powder, 5.4kg of nano calcium carbonate powder, 3.6kg of nano calcite powder, 1.8kg of nano halloysite powder, 36kg of nano wollastonite powder, 5.4kg of nano radium powder and 19.8kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 360kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 5
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. Adding 25kg of triphenyl silicon acetylene, 0.3kg of 2-phenylbutyryl benzene, 0.1kg of diphenyl dihydroxy silane, 25kg of glass fiber, 15kg of hollow glass microsphere, 5kg of ceramic particle and 30kg of polyurethane adhesive into cement slurry, stirring at the rotating speed of 80r/min for 10min to form a premix.
c. 18kg of nano dolomite powder, 90kg of nano talcum powder, 5.4kg of nano calcium carbonate powder, 3.6kg of nano calcite powder, 1.8kg of nano halloysite powder, 36kg of nano wollastonite powder, 5.4kg of nano radium powder and 19.8kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 360kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 6
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. 25kg of triphenyl silicon acetylene, 0.4kg of 2-phenylbutyryl benzene, 0.2kg of diphenyl dihydroxy silane, 27.5kg of glass fiber, 17.5kg of hollow glass microsphere, 7.5kg of ceramic particle and 37.5kg of polyurethane adhesive are added into cement slurry, the rotating speed is 80r/min, and the mixture is stirred for 10min to form a premix.
c. 18kg of nano dolomite powder, 90kg of nano talcum powder, 5.4kg of nano calcium carbonate powder, 3.6kg of nano calcite powder, 1.8kg of nano halloysite powder, 36kg of nano wollastonite powder, 5.4kg of nano radium powder and 19.8kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 360kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 7
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. Adding 25kg of triphenyl silicon acetylene, 0.5kg of 2-phenylbutyryl benzene, 0.3kg of diphenyl dihydroxy silane, 30kg of glass fiber, 10kg of hollow glass microsphere, 10kg of ceramic particle and 45kg of polyurethane adhesive into cement slurry, stirring at the rotating speed of 80r/min for 10min to form a premix.
c. 18kg of nano dolomite powder, 90kg of nano talcum powder, 5.4kg of nano calcium carbonate powder, 3.6kg of nano calcite powder, 1.8kg of nano halloysite powder, 36kg of nano wollastonite powder, 5.4kg of nano radium powder and 19.8kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 360kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 8
The preparation method of the antifreeze concrete slurry comprises the following steps:
a. 100kg of Portland cement, 100kg of water and 10kg of water reducing agent are added into a stirring kettle, the rotating speed is 80r/min, and the mixture is stirred for 5min to form cement slurry.
b. 25kg of triphenyl silicon acetylene, 0.3kg of 2-phenylbutyryl benzene, 0.3kg of diphenyl dihydroxy silane, 28kg of glass fiber, 18kg of hollow glass microsphere, 6kg of ceramic particle and 33kg of polyurethane adhesive are added into cement slurry, the rotating speed is 80r/min, and the mixture is stirred for 10min to form a premix.
c. 18kg of nano dolomite powder, 90kg of nano talcum powder, 5.4kg of nano calcium carbonate powder, 3.6kg of nano calcite powder, 1.8kg of nano halloysite powder, 36kg of nano wollastonite powder, 5.4kg of nano radium powder and 19.8kg of nano carbon powder are added into the premix, the rotating speed is 60r/min, and the mixture is stirred for 20min to form a mixture.
d. And adding 360kg of fine aggregate into the mixture, stirring for 20min at the rotating speed of 45r/min to form antifreeze concrete slurry, and continuously stirring at the rotating speed of 25r/min until the use is finished.
Example 9
A construction process of a decorative finish fair-faced concrete wall body refers to fig. 1, and comprises the following steps:
s1, building a reinforcement cage, which specifically comprises the following steps:
and (4) building a reinforcement cage according to the design drawing requirements.
S2, building a pouring template, which specifically comprises the following steps:
and building a pouring template according to the requirements of design drawings.
S3, pouring the anti-freezing concrete slurry, which comprises the following specific steps:
injecting anti-freezing concrete slurry into the space surrounded by the pouring template to the designed height of the wall body;
tamping by a vibrating rod;
and filling the antifreeze concrete slurry to the designed height of the wall body again.
S4, maintaining, specifically comprising the following steps:
and covering a sponge layer outside the pouring template, spraying water towards the sponge layer to keep the sponge layer moist, and maintaining for 72 hours with the template.
S5, disassembling the pouring template, which specifically comprises the following steps:
the sponge layer is disassembled, and then the pouring template is disassembled to form the wall body;
after the template is disassembled, water is sprayed towards the wall for 30min, and the water spraying flow rate of each square meter of wall surface is controlled to be 0.05L/min.
S6, polishing the wall surface, which comprises the following steps:
and (3) polishing the wall surface smoothly through a polishing machine, then washing the wall surface clean with water, and naturally drying.
In this example, the antifreeze concrete slurry of example 8 was used;
in other embodiments, the deicing concrete slurry of examples 1-7 can also be used.
Example 10
A faced bare concrete wall prepared by the construction process of the faced bare concrete wall of example 9.
Comparative example 1
The difference from example 8 is that:
and c, removing the addition of triphenyl silylene in the step b.
Comparative example 2
The difference from example 8 is that:
in step b, the addition of 2-phenylbutyryl benzene is eliminated.
Comparative example 3
The difference from example 8 is that:
in step b, the addition of diphenyldihydroxysilane is eliminated.
Comparative example 4
The difference from example 8 is that:
and c, removing the triphenyl silanylacetylene, the 2-phenylbutyryl benzene and the diphenyl dihydroxy silane.
Comparative example 5
The difference from example 8 is that:
in step b, the addition of glass fibers is eliminated.
Comparative example 6
The difference from example 8 is that:
and (b) eliminating the addition of hollow glass beads and ceramic particles.
Comparative example 7
The difference from example 8 is that:
in step b, polyurethane adhesive is not added.
Comparative example 8
The difference from example 8 is that:
in the step c, 22.5kg of nano dolomite powder, nano talcum powder, nano calcium carbonate powder, nano calcite powder, nano halloysite powder, nano wollastonite powder, nano radium stone powder and nano carbon powder are added.
Experiment 1
The samples prepared from the antifreeze concrete slurries of examples 1 to 8 and comparative examples 1 to 8 were tested for their 7d compressive strength (MPa) and 28d compressive strength (MPa) according to the compressive strength test in GB/T50081-2002 Standard test methods for mechanical Properties of ordinary concrete.
Experiment 2
The samples prepared from the antifreeze concrete slurries of examples 1 to 8 and comparative examples 1 to 8 were tested for their impermeability and frost resistance in accordance with the water penetration resistance test in GB/T50082-2009 Standard test methods for Long-term Performance and durability of ordinary concrete.
The specific experimental data are shown in Table 1
TABLE 1
According to the comparison of the data of comparative example 1 and example 8 in table 1, the addition of triphenylsilacetylene into the antifreeze concrete slurry can effectively improve the antifreeze grade of the concrete sample, so that the finish fresh water concrete wall has better antifreeze capacity, stronger structural stability, longer service life and wider applicability.
According to the comparison of the data of comparative example 2 and example 8 in the table 1, the effect of improving the frost resistance grade of the concrete sample by adding 2-phenylbutyryl benzene into the frost resistant concrete slurry is promoted to a certain extent;
according to the comparison of the data of comparative example 3 and example 8 in the table 1, the effect of improving the frost resistance grade of the concrete sample by the triphenyl silylene can be promoted to a certain extent by adding diphenyl dihydroxyl silane into the frost resistance concrete slurry;
according to the comparison of the data of comparative example 4 and example 8 in table 1, 2-phenylbutyryl benzene and diphenyl dihydroxy silane are added into the antifreeze concrete slurry and are matched with triphenyl-based phenylacetylene according to a specific proportion, so that the effect of improving the antifreeze grade of a concrete sample by triphenyl-based phenylacetylene can be greatly enhanced, the antifreeze capacity of a facing fair-faced concrete wall is better, the structural stability is stronger, the service life is longer, and the applicability is wider.
As can be seen from comparison of the data of comparative example 5 and example 8 in Table 1, the addition of glass fiber to the antifreeze concrete slurry can improve the compressive strength and the impermeability grade of the concrete sample to some extent, and the antifreeze grade of the concrete sample can be improved to some extent by improving the impermeability grade.
According to the comparison of the data of comparative example 6 and example 8 in table 1, the addition of the hollow glass beads and the ceramic particles to the antifreeze concrete slurry can improve the compressive strength and the impermeability grade of the concrete sample to some extent, and can improve the antifreeze grade of the concrete sample to some extent by improving the impermeability grade.
According to the comparison of the data of comparative example 7 and example 8 in table 1, the addition of the polyurethane adhesive to the antifreeze concrete slurry can slightly increase the compressive strength of the concrete sample, increase the impermeability of the concrete sample to some extent, and increase the antifreeze grade of the concrete sample to some extent by increasing the impermeability.
According to the comparison of the data of comparative example 8 and example 8 in table 1, the nano filler in the anti-freezing concrete slurry is composed of nano dolomite powder, nano talcum powder, nano calcium carbonate powder, nano calcite powder, nano halloysite powder, nano wollastonite powder, nano radium stone powder and nano carbon powder according to a specific proportion, so that the compressive strength and the anti-permeability grade of the concrete sample can be effectively improved, and the anti-freezing grade of the concrete sample is improved to a certain extent by improving the anti-permeability grade.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (4)
1. A construction process of a veneer fair-faced concrete wall is characterized by comprising the following steps: the method comprises the following steps:
s1, building a reinforcement cage;
s2, building a pouring template;
s3, pouring anti-freezing concrete slurry;
s4, maintaining;
s5, disassembling the pouring template;
s6, polishing the wall surface;
the antifreeze concrete slurry comprises the following components in parts by weight:
100 parts of Portland cement;
350 portions of fine aggregate and 400 portions of fine aggregate;
150 portions of nano aggregate and 200 portions of nano aggregate;
15-30 parts of triphenyl silylene;
0.3-0.5 part of 2-phenylbutyryl benzene;
0.1-0.3 part of diphenyl dihydroxy silane;
10 parts of a water reducing agent;
25-30 parts of glass fiber;
15-20 parts of hollow glass beads;
5-10 parts of ceramic particles;
30-45 parts of polyurethane adhesive;
100 parts of water;
the preparation method of the antifreeze concrete slurry comprises the following steps:
a. mixing portland cement with water to form a cement slurry;
b. adding triphenyl silicon acetylene, 2-phenyl butyrophenone, diphenyl dihydroxy silane, glass fiber, hollow glass bead, ceramic particle and polyurethane adhesive into cement slurry, and uniformly stirring to form a premix;
c. adding the nano aggregate to the premix and stirring uniformly to form a mixture;
d adding fine aggregate into the mixture and uniformly stirring to form the antifreeze concrete slurry.
2. The construction process of a faced bare concrete wall as claimed in claim 1, wherein: the nanometer aggregate comprises one or more of nanometer dolomite powder, nanometer talcum powder, nanometer calcium carbonate powder, nanometer calcite powder, nanometer halloysite powder, nanometer wollastonite powder, nanometer radium stone powder and nanometer carbon powder.
3. The construction process of a faced bare concrete wall as claimed in claim 1, wherein: the nano aggregate is prepared from nano dolomite powder, nano talcum powder, nano calcium carbonate powder, nano calcite powder, nano halloysite powder, nano wollastonite powder, nano radium stone powder and nano carbon powder according to the proportion of 1: 6: 0.4: 0.2: 0.1: 2: 0.3: 1.2.
4. The utility model provides a veneer fair-faced concrete wall, characterized by: the fair-faced concrete wall is prepared by adopting the construction process of the fair-faced concrete wall body of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018593.3A CN110792209B (en) | 2019-10-24 | 2019-10-24 | Facing fair-faced concrete wall and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018593.3A CN110792209B (en) | 2019-10-24 | 2019-10-24 | Facing fair-faced concrete wall and construction process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110792209A CN110792209A (en) | 2020-02-14 |
| CN110792209B true CN110792209B (en) | 2021-05-07 |
Family
ID=69441178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911018593.3A Active CN110792209B (en) | 2019-10-24 | 2019-10-24 | Facing fair-faced concrete wall and construction process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792209B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111747694A (en) * | 2020-06-30 | 2020-10-09 | 江苏爱富希新型建材股份有限公司 | Modified fiber cement board, preparation method thereof and application thereof in outer wall |
| CN113027055A (en) * | 2021-03-15 | 2021-06-25 | 北京匠人清水装饰工程有限公司 | White clear water-imitating concrete facing process |
| CN116283083A (en) * | 2023-02-17 | 2023-06-23 | 中铁大桥局集团第四工程有限公司 | Bare concrete and preparation method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338595A (en) * | 2008-08-12 | 2009-01-07 | 中建三局第三建设工程有限责任公司 | Construction method of haydite dry concrete wall |
| CN101555709A (en) * | 2008-12-09 | 2009-10-14 | 南京华韵建筑科技发展有限公司 | Mounting process for composite insulating concrete shear wall |
| CN101906265A (en) * | 2010-07-05 | 2010-12-08 | 青岛理工大学 | Material for quickly repairing marine concrete in service and construction technology thereof |
| CN106116364A (en) * | 2016-06-28 | 2016-11-16 | 王青 | A kind of fibre reinforced concrete and preparation method thereof |
| CN106673533A (en) * | 2017-02-22 | 2017-05-17 | 北京城建九混凝土有限公司 | Concrete and preparation method thereof |
| CN107663065A (en) * | 2017-10-26 | 2018-02-06 | 北京中建瑞特防水建材有限公司 | A kind of high-strength impervious mending-leakage material and preparation method thereof |
| CN108911625A (en) * | 2018-07-26 | 2018-11-30 | 上海石化安东混凝土有限公司 | Impervious anti-crack concrete |
| CN108929084A (en) * | 2018-08-03 | 2018-12-04 | 上海住信住宅工业有限公司 | Reinforcing bar sleeve for connection grouting material |
| CN108997146A (en) * | 2018-06-27 | 2018-12-14 | 运城市泓翔建材有限公司 | A kind of anti-mud agent of novel gemini quaternary ammonium salt and preparation method and application |
| CN109111166A (en) * | 2018-03-23 | 2019-01-01 | 常州优纳新材料科技有限公司 | A kind of concrete composition |
| CN109503081A (en) * | 2018-12-26 | 2019-03-22 | 陕西天石实业有限责任公司 | Concrete filled steel tube |
| CN109790072A (en) * | 2016-08-04 | 2019-05-21 | 地聚合物解决方案有限责任公司 | Cold fusion concrete |
| CN110272244A (en) * | 2019-06-25 | 2019-09-24 | 浙江东方管桩有限公司 | A kind of cracking-proof concrete and its preparation process |
-
2019
- 2019-10-24 CN CN201911018593.3A patent/CN110792209B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338595A (en) * | 2008-08-12 | 2009-01-07 | 中建三局第三建设工程有限责任公司 | Construction method of haydite dry concrete wall |
| CN101555709A (en) * | 2008-12-09 | 2009-10-14 | 南京华韵建筑科技发展有限公司 | Mounting process for composite insulating concrete shear wall |
| CN101906265A (en) * | 2010-07-05 | 2010-12-08 | 青岛理工大学 | Material for quickly repairing marine concrete in service and construction technology thereof |
| CN106116364A (en) * | 2016-06-28 | 2016-11-16 | 王青 | A kind of fibre reinforced concrete and preparation method thereof |
| CN109790072A (en) * | 2016-08-04 | 2019-05-21 | 地聚合物解决方案有限责任公司 | Cold fusion concrete |
| CN106673533A (en) * | 2017-02-22 | 2017-05-17 | 北京城建九混凝土有限公司 | Concrete and preparation method thereof |
| CN107663065A (en) * | 2017-10-26 | 2018-02-06 | 北京中建瑞特防水建材有限公司 | A kind of high-strength impervious mending-leakage material and preparation method thereof |
| CN109111166A (en) * | 2018-03-23 | 2019-01-01 | 常州优纳新材料科技有限公司 | A kind of concrete composition |
| CN108997146A (en) * | 2018-06-27 | 2018-12-14 | 运城市泓翔建材有限公司 | A kind of anti-mud agent of novel gemini quaternary ammonium salt and preparation method and application |
| CN108911625A (en) * | 2018-07-26 | 2018-11-30 | 上海石化安东混凝土有限公司 | Impervious anti-crack concrete |
| CN108929084A (en) * | 2018-08-03 | 2018-12-04 | 上海住信住宅工业有限公司 | Reinforcing bar sleeve for connection grouting material |
| CN109503081A (en) * | 2018-12-26 | 2019-03-22 | 陕西天石实业有限责任公司 | Concrete filled steel tube |
| CN110272244A (en) * | 2019-06-25 | 2019-09-24 | 浙江东方管桩有限公司 | A kind of cracking-proof concrete and its preparation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110792209A (en) | 2020-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110256023B (en) | Anti-freezing, anti-permeability and anti-cracking concrete and preparation method thereof | |
| CN110792209B (en) | Facing fair-faced concrete wall and construction process thereof | |
| KR101173442B1 (en) | Permeable concrete block manufacture method to use eco-friendly recycled aggregate coated | |
| KR102097111B1 (en) | Rapid hardening cement concrete composition for emergency eepair and a repairing method of road pavement using the same | |
| CN100345791C (en) | Heat insulating glue powder material for wall and its prepn and usage | |
| CN110526635A (en) | A kind of high-strength water-tight concrete and preparation method thereof | |
| CN109293318B (en) | Pervious concrete | |
| CN113087460B (en) | Environment-friendly anti-freezing concrete and preparation method thereof | |
| KR101363857B1 (en) | A high-early strength type cement concrete composition for bridge pavement using high-early strength type mixed cement binder and method of bridge pavement using the same | |
| CN110467407A (en) | A kind of C70 mass concrete and its preparation process | |
| CN109354463A (en) | Impervious freeze proof C30 concrete of one kind and preparation method thereof | |
| CN112125615B (en) | Pervious concrete and preparation method thereof | |
| CN109354447A (en) | A kind of water-permeable brick and preparation method thereof by ceramsite sand preparation | |
| CN112408880A (en) | Basalt fiber water-permeable concrete and preparation method thereof | |
| CN113045272B (en) | Green environment-friendly concrete and preparation method thereof | |
| CN113493333A (en) | Slurry-wrapped reinforced permeable recycled concrete and preparation method thereof | |
| CN112830747A (en) | Environment-friendly anti-freezing concrete and preparation method thereof | |
| CN105152587A (en) | Building stone and preparation method thereof | |
| CN112456891A (en) | Pervious concrete material prepared from waste baked bricks and application thereof | |
| CN115180900B (en) | Ultrahigh-performance premixed pervious concrete and preparation method thereof | |
| AU2022379903A1 (en) | Backing mortar of fiber-reinforced cement-based composite marble and preparation method thereof | |
| CN109503071A (en) | Clear-water concrete | |
| CN116283202A (en) | Wear-resistant environment-friendly highway bridge material and preparation method thereof | |
| CN110792180B (en) | Damp-proof construction method for toilet | |
| CN112679120B (en) | Environment-friendly low-cost fluoroaluminate cement preparation process with waste brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |