CN110984423A - Construction method of reinforced concrete wall - Google Patents

Construction method of reinforced concrete wall Download PDF

Info

Publication number
CN110984423A
CN110984423A CN201911231712.3A CN201911231712A CN110984423A CN 110984423 A CN110984423 A CN 110984423A CN 201911231712 A CN201911231712 A CN 201911231712A CN 110984423 A CN110984423 A CN 110984423A
Authority
CN
China
Prior art keywords
concrete
parts
reinforced concrete
construction method
concrete wall
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.)
Granted
Application number
CN201911231712.3A
Other languages
Chinese (zh)
Other versions
CN110984423B (en
Inventor
洪志翔
陈光潮
洪志杰
吴卫琪
洪江鸿
谢少芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Gaoxiang Construction Co Ltd
Original Assignee
Guangdong Gaoxiang Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Gaoxiang Construction Co Ltd filed Critical Guangdong Gaoxiang Construction Co Ltd
Priority to CN201911231712.3A priority Critical patent/CN110984423B/en
Publication of CN110984423A publication Critical patent/CN110984423A/en
Application granted granted Critical
Publication of CN110984423B publication Critical patent/CN110984423B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • C04B2201/52High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to the field of building construction, and provides a construction method of a reinforced concrete wall body aiming at the problem that the existing concrete is difficult to meet the requirement of the reinforced concrete wall body on strength, which comprises the following steps: s1, measuring and paying off; s2, building a pouring template; s3, embedding steel bars; s4, preparing concrete; s5, pouring concrete; s6, disassembling the pouring template; the concrete comprises the following components in parts by weight: 20-25 parts of Portland cement; 10-12 parts of water; 75-80 parts of sand; 10-15 parts of fly ash; 5-7 parts of mineral powder; 0.5-1 part of silane coupling agent; 1-3 parts of fatty alcohol-polyoxyethylene ether; 0.5-1 part of o-nitrododecyl ether; 0.01-0.02 part of 6-phenyl-3-pyridazinone. By adopting the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone to cooperate with each other, the compressive strength and the crack resistance of the reinforced concrete are favorably enhanced, so that the reinforced concrete wall is less prone to cracking when being loaded, and the concrete can more easily meet the requirement of the wall on the strength.

Description

Construction method of reinforced concrete wall
Technical Field
The invention relates to the field of building construction, in particular to a construction method of a reinforced concrete wall.
Background
A reinforced concrete wall refers to a sheet of reinforced concrete wall provided in a building structure with the main purpose of bearing horizontal loads.
Because the reinforced concrete wall generally needs to bear larger load force, the reinforced concrete wall generally needs higher strength, but the existing reinforced concrete has weaker compressive strength and crack resistance strength, and is difficult to meet the strength requirement of the reinforced concrete wall on the reinforced concrete, so that the reinforced concrete wall still has room for improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a construction method of a reinforced concrete wall, which has the advantages of enhancing the compressive strength and the crack resistance of the reinforced concrete wall.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction method of a reinforced concrete wall body comprises the following steps:
s1, measurement and setting: measuring and marking the installation position of the wall according to a design drawing;
s2, building a pouring template: building a pouring template according to the marked position;
s3, embedding steel bars: embedding and fixing the reinforcing steel bars in the pouring template according to a design drawing;
s4, preparing concrete: uniformly stirring and mixing all components of the concrete to obtain the concrete;
s5, pouring concrete: pouring the concrete prepared in the S4 into the pouring template, and curing and forming;
s6, disassembling the pouring template: the pouring template is disassembled to complete construction, and the reinforced concrete wall is obtained;
the concrete comprises the following components in parts by weight:
20-25 parts of Portland cement;
10-12 parts of water;
75-80 parts of sand;
10-15 parts of fly ash;
5-7 parts of mineral powder;
0.5-1 part of silane coupling agent;
1-3 parts of fatty alcohol-polyoxyethylene ether;
0.5-1 part of o-nitrododecyl ether;
0.01-0.02 part of 6-phenyl-3-pyridazinone.
By adopting the technical scheme, the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone are cooperatively matched with each other, so that the compatibility of concrete and reinforcing steel bars is favorably enhanced, the compressive strength and the crack resistance of reinforced concrete are stronger, the reinforced concrete wall is less prone to cracking when being loaded, the service life of the reinforced concrete wall is favorably prolonged, and the concrete can more easily meet the requirement of the wall on the strength.
The invention is further configured to: in step S2, before the casting form is built, a layer of release agent is uniformly coated on the surface of the casting form.
By adopting the technical scheme, the release agent is uniformly coated on the surface of the pouring template before the pouring template is built, so that the pouring template is easily separated from the reinforced concrete wall when being detached, the operation of detaching the template is simpler and more convenient, and meanwhile, the outer surface of the reinforced concrete wall is not easily influenced.
The invention is further configured to: in the step S5, the concrete is poured in sections, and the height of each section of concrete pouring is not more than 1 meter.
By adopting the technical scheme, the concrete is poured in sections in the step S5, and the pouring height of each section is controlled not to exceed 1 meter, so that aggregate in the concrete is favorably and uniformly distributed in the concrete, the compressive strength and the crack resistance of the concrete are favorably improved, and the reinforced concrete wall is less prone to cracking when bearing capacity is applied.
The invention is further configured to: the sand is formed by uniformly mixing graded sand with the grain diameter of 3-10mm and graded sand with the grain diameter of 10-16 mm.
By adopting the technical scheme, the graded sand with the grain diameter of 3-10mm and the graded sand with the grain diameter of 10-16mm are mixed to form the sand, so that aggregate in the concrete is favorably accumulated more densely, the compactness of the concrete is favorably improved, and the compressive strength and the crack resistance of the concrete are enhanced.
The invention is further configured to: the sand is formed by uniformly mixing 3-10mm graded sand and 10-16mm graded sand in a mass portion ratio of 7: 3.
By adopting the technical scheme, the aggregate in the concrete is favorably and better densely accumulated by controlling the dosage proportion of the graded sand with the grain diameter of 3-10mm and the graded sand with the grain diameter of 10-16mm, so that the compactness of the concrete is favorably improved, the compressive strength and the crack resistance of the concrete are stronger, the compressive strength and the crack resistance of the reinforced concrete wall are favorably improved, and the reinforced concrete wall is less prone to cracking when bearing capacity is exerted.
The invention is further configured to: the fly ash is I-grade fly ash.
By adopting the technical scheme, the I-grade fly ash and the sand are matched with each other, so that the aggregate in the reinforced concrete is favorably accumulated more densely, the compactness of the concrete is improved, the compressive strength and the crack resistance strength of the concrete are favorably and better enhanced, the reinforced concrete wall is not easy to crack, and the concrete can more easily meet the requirement of the wall on the strength.
The invention is further configured to: the particle size of the mineral powder is 0.5-1.5 mm.
By adopting the technical scheme, the mineral powder with the particle size of 0.5-1.5mm is matched with the I-grade fly ash and the sand, so that the mineral powder is favorable for better filling the pores in the concrete, the compactness of the concrete is improved, the compressive strength and the crack resistance of the concrete are favorably improved, and the prepared concrete can more easily meet the requirement of the wall on the strength.
The invention is further configured to: the concrete also comprises the following components in parts by mass:
1-2 parts of iron naphthacene.
By adopting the technical scheme, the synergistic cooperation of the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone is favorably promoted by adding the iron naphthanoate, so that the compressive strength and the crack resistance of the concrete are favorably improved, the concrete can more easily meet the requirement of the wall on the strength, and the service life of the wall formed by pouring the concrete is prolonged.
The invention is further configured to: the concrete also comprises the following components in parts by mass:
0.3-0.5 part of polyoxyethylene glycerol ether.
By adopting the technical scheme, the polyoxyethylene glyceryl ether and the iron naphthanoate are added to cooperate with each other, so that the cooperation of the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone is favorably promoted, the compressive strength and the crack resistance of concrete are favorably improved, the strength of the concrete can meet the requirement of wall construction on the strength more easily, and a wall body formed by pouring the concrete is less prone to cracking when being loaded.
The invention is further configured to: the concrete also comprises the following components in parts by mass:
0.3-0.5 part of silica fume.
By adopting the technical scheme, the micro silicon powder is added, so that the pores in the concrete can be filled better, the compressive strength and the anti-cracking strength of the concrete can be improved, the requirement of the wall on the strength can be met more easily by the concrete, and the wall formed by pouring can be prevented from cracking more easily when bearing a load force.
In conclusion, the invention has the following beneficial effects:
1. by adopting the mutual synergistic cooperation of the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone, the compatibility of concrete and reinforcing steel bars is favorably enhanced, so that the compressive strength and the crack resistance of reinforced concrete are stronger, the reinforced concrete wall is less prone to cracking when being loaded, and the reinforced concrete can more easily meet the requirement of the wall on the strength;
2. by controlling the particle sizes of the sand, the fly ash and the mineral powder and controlling the use amounts of materials with different particle sizes, the aggregate accumulation in the reinforced concrete is facilitated to be more dense, the compactness of the concrete is improved, and the compressive strength and the crack resistance of the concrete are facilitated to be enhanced;
3. by adding the polyoxyethylene glyceryl ether and the iron naphthanoate to cooperate with each other, the cooperation of the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone is promoted better, the compressive strength and the crack resistance of concrete are improved better, and a wall body formed by pouring is less prone to cracking when being loaded.
Drawings
FIG. 1 is a process flow diagram of a reinforced concrete wall construction method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
In the following examples, Portland cement is Portland cement P.O42.5, a Wawa stone produced by cement works in Wuhanyang dynasty.
In the following examples, river sand from Shinuo mineral processing plant, Lingshui county was used as the sand.
In the following examples, fly ash from a factory of Baifeng mineral products, Lingshu county, was used.
In the following examples, 528 designation of ore powder in the factory of Baifeng mineral products, Lingshu county, was used.
In the following examples, a silane coupling agent of KH550 type available from Jinan Rong Guanghong chemical Co., Ltd was used.
In the following examples, fatty alcohol-polyoxyethylene ether is fatty alcohol-polyoxyethylene ether available from Shanghai jin ear Biotech Co., Ltd, having a product number of J37077-500 g.
In the following examples, as the o-nitrododecyl ether, o-nitrododecyl ether having a product number of JJJL 574803030303030303030330303, Kingjinle industries, Ltd.
In the following examples, 6-phenyl-3-pyridazinone was 6-phenyl-3-pyridazinone available from Shanghai leaf Biotech Co., Ltd, having a product number of S63334-1 g.
In the following examples, a mold release agent of the Susan chemical products Co., Ltd. of Zhenzhou, the Susan Industrial Chemicals, Ltd. was used as the mold release agent.
In the following examples, iron naphthalenenoate, sold under the trade name 5-6-5, is from iron Zirbo naphthalenenoate energy chemical Co.
In the following examples, polyoxyethylene glyceryl ether having a product number of JJL60390202020202, manufactured by Shanghai Jinle industries, Ltd, was used.
In the following examples, the fine silica powder of 500 mesh size from Henan Star metallurgy materials, Inc. was used.
Example 1
A construction method of a reinforced concrete wall body comprises the following steps:
s1, measuring and setting out, specifically as follows:
and measuring the size of a site and the length and width of the wall according to a design drawing, and marking the installation position of the wall.
S2, building a pouring template, specifically as follows:
and building a pouring template of the wall according to the position marked by the S1.
S3, embedding the steel bars, specifically comprising the following steps:
and embedding and binding and fixing the reinforcing steel bars in the pouring template according to a design drawing.
S4, preparing concrete as follows:
stirring at the rotating speed of 220r/min in a 150L stirring kettle at normal temperature, adding 20kg of Portland cement, 12kg of water, 77.5kg of sand, 10kg of fly ash, 7kg of mineral powder, 1kg of silane coupling agent, 3kg of fatty alcohol-polyoxyethylene ether, 1kg of o-nitrododecyl ether and 0.03kg of 6-phenyl-3-pyridazinone while stirring, and uniformly stirring and mixing to obtain the concrete.
S5, pouring concrete, specifically including:
and (5) pouring the concrete prepared in the step (S4) into a pouring template, and uniformly vibrating by using a vibrator.
After the concrete is poured, the concrete is covered by a plastic film, water is sprayed on the plastic film, the plastic film is kept wet all the time, and meanwhile, the curing temperature is controlled to be 25 ℃, and the concrete is cured for 20 days to form the concrete.
S6, disassembling the pouring template, specifically as follows:
and after the concrete is cured and formed, the pouring template is disassembled to complete construction, and the reinforced concrete wall is obtained.
The particle size of the sand in the embodiment is 3-10mm, the fly ash is II-grade fly ash, and the particle size of the mineral powder is 0.1-0.5 mm.
Example 2
The difference from example 1 is that: in step S4, 22.5kg of Portland cement, 11kg of water, 80kg of sand, 12.5kg of fly ash, 5kg of mineral powder, 0.5kg of silane coupling agent, 2kg of fatty alcohol-polyoxyethylene ether, 0.5kg of o-nitrododecyl ether and 0.02kg of 6-phenyl-3-pyridazinone are added.
Example 3
The difference from example 1 is that: step S4 is added with 25kg of Portland cement, 10kg of water, 75kg of sand, 15kg of fly ash, 6kg of mineral powder, 0.75kg of silane coupling agent, 1kg of fatty alcohol-polyoxyethylene ether, 0.75kg of o-nitrododecyl ether and 0.01kg of 6-phenyl-3-pyridazinone.
Example 4
The difference from example 1 is that: step S4 includes adding 24kg of Portland cement, 11.5kg of water, 76kg of sand, 13kg of fly ash, 5.5kg of mineral powder, 0.6kg of silane coupling agent, 1.5kg of fatty alcohol-polyoxyethylene ether, 0.9kg of o-nitrododecyl ether and 0.02kg of 6-phenyl-3-pyridazinone.
Example 5
The difference from example 4 is that:
in step S2, before the pouring template is built, a layer of release agent is uniformly coated on the surface of the pouring template;
step S5, in the process of pouring concrete, pouring in sections, wherein the pouring height of each section is 1m, and when the pouring of each section is finished, the concrete is uniformly vibrated by a vibrator.
Example 6
The difference from example 5 is that: the grain diameter of the sand is 10-16 mm.
Example 7
The difference from example 5 is that: the sand is prepared from 3-10mm graded sand and 10-16mm graded sand according to the mass ratio of 8: 2, and mixing the components uniformly.
Example 8
The difference from example 5 is that: the sand is prepared from 3-10mm graded sand and 10-16mm graded sand according to the mass ratio of 6: 4, and mixing uniformly.
Example 9
The difference from example 5 is that: the sand is prepared from 3-10mm graded sand and 10-16mm graded sand according to the mass ratio of 7:3, and mixing the components uniformly.
Example 10
The difference from example 9 is that: the fly ash is grade III fly ash.
Example 11
The difference from example 9 is that: the fly ash is I-grade fly ash.
Example 12
The difference from example 11 is that: the particle size of the mineral powder is 1.5-3 mm.
Example 13
The difference from example 11 is that: the particle size of the mineral powder is 0.5-1.5 mm.
Example 14
The difference from example 13; in step S4, 1kg of iron naphthacene was added.
Example 15
The difference from example 13; in step S4, 2kg of iron naphthacene was added.
Example 16
The difference from example 13; 0.3kg of polyoxyethylene glyceryl ether was also added in step S4.
Example 17
The difference from example 13; 0.5kg of polyoxyethylene glyceryl ether was also added in step S4.
Example 18
The difference from example 13 is that: in step S4, iron naphthacene 1kg and polyoxyethylene glyceryl ether 0.5kg are also added.
Example 19
The difference from example 13 is that: in step S4, 2kg of iron naphthacene and 0.3kg of polyoxyethylene glyceryl ether are also added.
Example 20
The difference from example 13 is that: in step S4, iron naphthacene 1.6kg and polyoxyethylene glyceryl ether 0.4kg are also added.
Example 21
The difference from example 13 is that: 0.3kg of silica fume is also added in the step S4.
Example 22
The difference from example 13 is that: 0.5kg of silica fume is also added in the step S4.
Example 23
The difference from example 20 is that: 0.3kg of silica fume is also added in the step S4.
Example 24
The difference from example 20 is that: 0.5kg of silica fume is also added in the step S4.
Example 25
The difference from example 20 is that: 0.4kg of silica fume is also added in the step S4.
Comparative example 1
The difference from example 4 is that: in step S4, no fatty alcohol-polyoxyethylene ether, no o-nitrododecyl ether, or no 6-phenyl-3-pyridazinone is added.
Comparative example 2
The difference from example 4 is that: in step S4, no fatty alcohol-polyoxyethylene ether is added.
Comparative example 3
The difference from example 4 is that: in step S4, no o-nitrododecyl ether was added.
Comparative example 4
The difference from example 4 is that: in step S4, 6-phenyl-3-pyridazinone was not added.
Experiment 1
The pressure (kN) applied when the sample cracked was measured by applying pressure to the sample at 1m by 2m by 0.5m of the wall prepared in the above examples and comparative example using a press.
Experiment 2
The 28d compressive strength (MPa) of the reinforced concrete wall bodies constructed by the above examples and comparative examples is detected according to the compressive strength test in GB/T50081-2002 Standard test method for mechanical Properties of ordinary concrete.
The data from the above experiments are shown in Table 1.
TABLE 1
Figure BDA0002303735570000121
Figure BDA0002303735570000131
According to the data comparison between the embodiment 4 and the embodiment 5 in the table 1, the concrete is poured in a segmented mode, and the concrete is uniformly vibrated after each segment of the concrete is poured, so that the aggregate distribution in the concrete is more uniform, the density uniformity and compactness of the concrete are improved, the compressive strength and the anti-cracking strength of the concrete are stronger, and the reinforced concrete wall formed by pouring the concrete is less prone to cracking when bearing capacity is achieved.
According to the comparison of the data of the embodiments 5 to 9 in the table 1, aggregate in the concrete is favorably accumulated more densely by controlling the grain diameter of the sand in the concrete and controlling the dosage proportion of the sand with different grain diameters, so that the compactness of the concrete is higher, the compressive strength and the crack resistance of the concrete are favorably improved better, and the poured reinforced concrete wall is less prone to cracking when bearing capacity is applied.
According to the comparison of the data of the examples 9 to 11 in the table 1, the particle size of the fly ash is controlled, so that aggregates in the concrete can be better and densely stacked, the compactness of the concrete is higher, the compressive strength and the crack resistance of the concrete can be better improved, and the reinforced concrete wall body formed by pouring the concrete is less prone to cracking when bearing capacity is applied.
According to the comparison of the data of the embodiments 11 to 13 in table 1, the particle size of the mineral powder is controlled, so that the mineral powder is favorably and intensively accumulated with the sand and the fly ash in the concrete, the compactness of the concrete is higher, the compressive strength and the crack resistance of the concrete are favorably improved, and the reinforced concrete wall body formed by pouring the concrete is less prone to cracking when bearing capacity is applied.
According to the data comparison of examples 13-20 in table 1, the compressive strength and the crack resistance of the concrete can be improved better only when the iron naphthanoate and the polyoxyethylene glycerol are cooperated with each other, so that the reinforced concrete wall body formed by pouring the concrete is not easy to crack when bearing capacity is applied.
According to the comparison of the data of the embodiment 13 and the embodiments 21 to 22 and the data of the embodiment 20 and the embodiments 23 to 25 in the table 1, the addition of the silica fume is beneficial to better filling the pores in the concrete, so that the compactness of the concrete is higher, the compression strength and the crack resistance of the concrete are better improved, and the reinforced concrete wall body formed by pouring the concrete is less prone to cracking when bearing capacity is applied.
According to the comparison of the data of the example 4 and the comparative examples 1 to 4 in the table 1, the compressive strength and the crack resistance of the concrete can be better improved only when the fatty alcohol-polyoxyethylene ether, the o-nitrododecyl ether and the 6-phenyl-3-pyridazinone are cooperatively matched with each other, so that the reinforced concrete wall body formed by pouring the concrete is less prone to cracking when bearing capacity is applied, any component is lacked, the compressive strength and the crack resistance of the concrete are easily greatly influenced, and further the strength of the reinforced concrete wall body is easily greatly influenced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. A construction method of a reinforced concrete wall body is characterized by comprising the following steps: the method comprises the following steps:
s1, measurement and setting: measuring and marking the installation position of the wall according to a design drawing;
s2, building a pouring template: building a pouring template according to the marked position;
s3, embedding steel bars: embedding and fixing the reinforcing steel bars in the pouring template according to a design drawing;
s4, preparing concrete: uniformly stirring and mixing all components of the concrete to obtain the concrete;
s5, pouring concrete: pouring the concrete prepared in the S4 into the pouring template, and curing and forming;
s6, disassembling the pouring template: the pouring template is disassembled to complete construction, and the reinforced concrete wall is obtained;
the concrete comprises the following components in parts by weight:
20-25 parts of Portland cement;
10-12 parts of water;
75-80 parts of sand;
10-15 parts of fly ash;
5-7 parts of mineral powder;
0.5-1 part of silane coupling agent;
1-3 parts of fatty alcohol-polyoxyethylene ether;
0.5-1 part of o-nitrododecyl ether;
0.01-0.02 part of 6-phenyl-3-pyridazinone.
2. The construction method of a reinforced concrete wall according to claim 1, characterized in that: in step S2, before the casting form is built, a layer of release agent is uniformly coated on the surface of the casting form.
3. The construction method of a reinforced concrete wall according to claim 2, characterized in that: in the step S5, the concrete is poured in sections, and the height of each section of concrete pouring is not more than 1 meter.
4. A construction method of a reinforced concrete wall according to any one of claims 1 to 3, characterized in that: the sand is formed by uniformly mixing graded sand with the grain diameter of 3-10mm and graded sand with the grain diameter of 10-16 mm.
5. The construction method of a reinforced concrete wall according to claim 4, wherein: the sand is formed by uniformly mixing 3-10mm graded sand and 10-16mm graded sand in a mass portion ratio of 7: 3.
6. The construction method of a reinforced concrete wall according to claim 5, characterized in that: the fly ash is I-grade fly ash.
7. The construction method of a reinforced concrete wall according to claim 6, characterized in that: the particle size of the mineral powder is 0.5-1.5 mm.
8. A construction method of a reinforced concrete wall according to any one of claims 1 to 3, characterized in that: the concrete also comprises the following components in parts by mass:
1-2 parts of iron naphthacene.
9. A construction method of a reinforced concrete wall according to any one of claims 1 to 3, characterized in that: the concrete also comprises the following components in parts by mass:
0.3-0.5 part of polyoxyethylene glycerol ether.
10. A construction method of a reinforced concrete wall according to any one of claims 1 to 3, characterized in that: the concrete also comprises the following components in parts by mass:
0.3-0.5 part of silica fume.
CN201911231712.3A 2019-12-05 2019-12-05 Construction method of reinforced concrete wall Active CN110984423B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911231712.3A CN110984423B (en) 2019-12-05 2019-12-05 Construction method of reinforced concrete wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911231712.3A CN110984423B (en) 2019-12-05 2019-12-05 Construction method of reinforced concrete wall

Publications (2)

Publication Number Publication Date
CN110984423A true CN110984423A (en) 2020-04-10
CN110984423B CN110984423B (en) 2021-03-30

Family

ID=70090280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911231712.3A Active CN110984423B (en) 2019-12-05 2019-12-05 Construction method of reinforced concrete wall

Country Status (1)

Country Link
CN (1) CN110984423B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549919A (en) * 2020-05-21 2020-08-18 广州市第四装修有限公司 Integrated construction method for building outer wall and heat-insulating layer
CN112523385A (en) * 2020-12-09 2021-03-19 郑州固德模板新材料科技有限公司 Long-life integrally-formed wall with decorative plate and manufacturing method
CN113845345A (en) * 2021-10-27 2021-12-28 广东信强混凝土有限公司 Concrete containing polycarboxylate super-retarding water reducer and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201649366U (en) * 2010-02-10 2010-11-24 浙江杭萧钢构股份有限公司 Steel-bar truss concrete grouting wall structure
CN108793895A (en) * 2018-08-25 2018-11-13 北京建工新型建材有限责任公司 A kind of concrete with high cracking resistance
US20190071354A1 (en) * 2017-01-10 2019-03-07 Roman Cement, Llc Use of quarry fines and/or limestone powder to reduce clinker content of cementitious compositions
CN110028336A (en) * 2019-05-17 2019-07-19 山东联兴绿厦建筑科技有限公司 Theremal-preserving heat-insulating material and wall and building based on the material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201649366U (en) * 2010-02-10 2010-11-24 浙江杭萧钢构股份有限公司 Steel-bar truss concrete grouting wall structure
US20190071354A1 (en) * 2017-01-10 2019-03-07 Roman Cement, Llc Use of quarry fines and/or limestone powder to reduce clinker content of cementitious compositions
CN108793895A (en) * 2018-08-25 2018-11-13 北京建工新型建材有限责任公司 A kind of concrete with high cracking resistance
CN110028336A (en) * 2019-05-17 2019-07-19 山东联兴绿厦建筑科技有限公司 Theremal-preserving heat-insulating material and wall and building based on the material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵丽颖,杨玲: "《建筑材料与检测》", 31 August 2016, 北京理工大学出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549919A (en) * 2020-05-21 2020-08-18 广州市第四装修有限公司 Integrated construction method for building outer wall and heat-insulating layer
CN112523385A (en) * 2020-12-09 2021-03-19 郑州固德模板新材料科技有限公司 Long-life integrally-formed wall with decorative plate and manufacturing method
CN112523385B (en) * 2020-12-09 2021-11-26 郑州固德模板新材料科技有限公司 Long-life integrally-formed wall with decorative plate and manufacturing method
CN113845345A (en) * 2021-10-27 2021-12-28 广东信强混凝土有限公司 Concrete containing polycarboxylate super-retarding water reducer and preparation method thereof

Also Published As

Publication number Publication date
CN110984423B (en) 2021-03-30

Similar Documents

Publication Publication Date Title
CN110984423B (en) Construction method of reinforced concrete wall
Chu Development of infilled cementitious composites (ICC)
JP2004507431A (en) Fiber-containing concrete with high strength and ductility
Ji et al. Evaluation method for cracking resistant behavior of reactive powder concrete
CN108894432B (en) Constraint regeneration block concrete column with ultra-high performance steel fiber concrete pipe
CN110903065A (en) Quick-setting 3D printing cement-based material
CN107759170A (en) A kind of prefabricated hollow stair of light ceramsite concrete and preparation method
CN112687358A (en) Design method for particle accumulation model for bringing steel fibers into UHPFRC
CN113372075B (en) Concrete based on 3D printing, preparation method thereof and 3D printing column template
CN111906894A (en) Concrete stacking and forming method
CN111499302B (en) Preparation process of concrete prefabricated wallboard
CN103332899A (en) Building concrete with high compressive strength
CN110627434A (en) High-strength anti-seismic concrete and preparation method thereof
CN106554186B (en) Utilize the accurate measurement platform and its method of the preparation of superhigh intensity silicate material
CZ20011415A3 (en) Thin-walled building element
CN110606716A (en) Construction method of indoor partition wall
JP2017210790A (en) Method for conveying freezing damage-resistant fresh concrete
JP2013043796A (en) Cement material and method of manufacturing cement mass
CN106977164A (en) A kind of antimony mine tailing slag aerated concrete block and preparation method thereof
CN110685380A (en) Shear wall construction method for reducing internal bubbles
CN110803902A (en) Self-leveling environment-friendly ground construction method
CN109020367A (en) A kind of clump weight of surface smooth abrasion-proof
SG10201810625PA (en) Ultra-thin semi-prefabricated concrete slab and manufacturing method thereof
Lee et al. Shrinkage Characteristic of Cementitious Composite Materials for Additive Manufacturing
CN112279585B (en) Concrete for precast slab track filling layer and preparation method and application thereof

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