CN110509425A - A kind of concrete prefabricated wallboard and its production technology - Google Patents
A kind of concrete prefabricated wallboard and its production technology Download PDFInfo
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- CN110509425A CN110509425A CN201910796096.XA CN201910796096A CN110509425A CN 110509425 A CN110509425 A CN 110509425A CN 201910796096 A CN201910796096 A CN 201910796096A CN 110509425 A CN110509425 A CN 110509425A
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- 239000004567 concrete Substances 0.000 title claims abstract description 178
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 92
- 229960004705 kojic acid Drugs 0.000 claims abstract description 29
- WZNJWVWKTVETCG-UHFFFAOYSA-N kojic acid Natural products OC(=O)C(N)CN1C=CC(=O)C(O)=C1 WZNJWVWKTVETCG-UHFFFAOYSA-N 0.000 claims abstract description 29
- BEJNERDRQOWKJM-UHFFFAOYSA-N kojic acid Chemical compound OCC1=CC(=O)C(O)=CO1 BEJNERDRQOWKJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 claims abstract description 26
- 229940045998 sodium isethionate Drugs 0.000 claims abstract description 19
- LADXKQRVAFSPTR-UHFFFAOYSA-M sodium;2-hydroxyethanesulfonate Chemical compound [Na+].OCCS([O-])(=O)=O LADXKQRVAFSPTR-UHFFFAOYSA-M 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 63
- 238000003756 stirring Methods 0.000 claims description 58
- 239000010881 fly ash Substances 0.000 claims description 21
- 239000004576 sand Substances 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 21
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 20
- 239000010425 asbestos Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 17
- 229910052895 riebeckite Inorganic materials 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 claims description 11
- 229940079864 sodium stannate Drugs 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000011863 silicon-based powder Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 15
- 238000007710 freezing Methods 0.000 description 10
- 230000008014 freezing Effects 0.000 description 7
- 230000009172 bursting Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229940045996 isethionic acid Drugs 0.000 description 1
- -1 kojic acid palmitinic acid Ester Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- 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
-
- 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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to prefabricated panel fields, for non-uniform problem is poured, provide a kind of concrete prefabricated wallboard and its production technology, the technical solution are as follows: the following steps are included: S1. arranges mold frame；S2. precast reinforced cage in mold frame；S3. it casting concrete slurries: concrete slurry is started to pour along the edge of primary preform wallboard gradually pours toward primary prefabricated panel center to form intermediate prefabricated panel；S4. forming processes；S5. demoulding maintenance；Concrete slurry includes the component of following mass fraction: 100 parts of cement；300-400 parts of coarse aggregate；200-300 parts of fine aggregate；100-120 parts of water；15-25 parts of kojic acid palmitate；8-10 parts of sodium isethionate；Start to pour along the edge of primary preform wallboard by concrete slurry and gradually be poured toward primary prefabricated panel center, fill up the gap of primary preform panel edges, so that concrete slurry is distributed in primary preform wallboard more uniformly.
Description
Technical field
The present invention relates to prefabricated panel fields, more particularly, to a kind of concrete prefabricated wallboard and its production technology.
Background technique
Concrete prefabricated wallboard is usually the reinforced-concrete board type members for building assembly, when ambient temperature reaches 0
Degree Celsius or less when, be easy to be affected by temperature the outer surface for leading to wallboard with the concrete prefabricated wallboard that directly contacts of the external world
Cracking, once serious cracking, will seriously affect the use of concrete prefabricated wallboard.
When generally making concrete prefabricated wallboard, pedestal method is usually used, selects fixed a place molding and maintenance,
Required material is supplied at wall board forming with wallboard equipment and is made, into mold casting concrete slurry processes, is mixed
Solidifying soil paste liquid flows to edge by mold centre, and the speed due to flowing to die edge gradually decreases, and leads to concrete grout
Liquid is not easy to fill up the edge of mold, so that pouring unevenly, therefore, there are also improved spaces.
Summary of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of life of concrete prefabricated wallboard
Production. art has the advantages that pour uniform.
To achieve the above object, the present invention provides the following technical scheme that
A kind of production technology of concrete prefabricated wallboard, comprising the following steps:
S1. mold frame is arranged；
S2. precast reinforced cage in mold frame, concrete operations are as follows:
Steel reinforcement cage is laid in mold frame to form primary preform wallboard；
S3. casting concrete slurries, concrete operations are as follows:
By concrete slurry along the edge of primary preform wallboard start to pour gradually toward primary prefabricated panel center pour with
Form intermediate prefabricated panel；
S4. forming processes, concrete operations are as follows:
Forming processes are carried out by vibrating intermediate prefabricated panel；
S5. demoulding maintenance, concrete operations are as follows:
Molding intermediate prefabricated panel break away from moulds frame is conserved to form concrete panel；
The concrete slurry includes the component of following mass fraction:
100 parts of cement；
300-400 parts of coarse aggregate；
200-300 parts of fine aggregate；
100-120 parts of water；
15-25 parts of kojic acid palmitate；
8-10 parts of sodium isethionate.
By using above-mentioned technical proposal, start to pour gradually along the edge of primary preform wallboard by concrete slurry
It is poured toward primary prefabricated panel center, fills up the gap of primary preform panel edges, increase concrete slurry and primary preform wall
Contact area between plate, so that concrete slurry is distributed in primary preform wallboard more uniformly；
By being laid with steel reinforcement cage in mold frame to form primary preform wallboard, the tensile strength of primary pre- wallboard is improved；
By the way that kojic acid palmitate is added in concrete slurry, coarse aggregate and fine aggregate are filled in using kojic acid palmitate
Between gap in so that the brittle point of concrete slurry declines, so that the anti-freezing property of concrete slurry is preferable, reduce mixed
The case where solidifying cob wall plate lower due to ambient temperature bursting by freezing；
Cooperated at a specific ratio with kojic acid palmitate by the way that sodium isethionate is added, increases kojic acid palmitate
Mobility, so that kojic acid palmitate preferably flows in the gap between coarse aggregate and fine aggregate, so that kojic acid palmitate
The brittle point effect for reducing concrete slurry is more preferable, so that the brittle point of concrete slurry further declines, so that concrete panel is more
It is not easy to crack.
The present invention is further arranged to: in step s 2, being laid with during steel reinforcement cage in the mold frame, in mold frame
Coated with release agent.
By using above-mentioned technical proposal, by being coated with release agent in mold frame, so that the concrete panel of final set is more
Easy break away from moulds frame, concrete panel not easy to wear.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
8-15 parts of silicon powder.
The heating conduction and crushing resistance of concrete slurry are improved by addition silicon powder by using above-mentioned technical proposal,
So that the heat in concrete slurry more uniformly disperses, concrete slurry is reduced since heat is unevenly distributed splitting for generation
Seam.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
5-10 parts of sodium stannate.
The brittle point of concrete slurry is preferably reduced by addition sodium stannate by using above-mentioned technical proposal, so that
Concrete slurry is less susceptible to bursting by freezing, reduces concrete panel situation less easy to crack.
The present invention is further arranged to: the fine aggregate includes talcum powder, flyash, silica white and fine sand, the cunning
Mountain flour, flyash, silica white and fine sand mass ratio are 22:18:14:46.
It is 22:18 by talcum powder, flyash, silica white and fine sand mass ratio by using above-mentioned technical proposal:
14:46 improves the heat resistance of concrete slurry, so that concrete slurry is relatively stable.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
10-20 parts of iron powder.
By using above-mentioned technical proposal, by the way that iron powder is added, so that the structural strength of concrete slurry is preferable, so that anti-
Pressure energy power improves, so that the case where concrete panel is not easily susceptible to extraneous impact and cracks.
The present invention is further arranged to: the concrete slurry further includes the component of following mass fraction:
5-12 parts of asbestos fibre；
The length of the asbestos fibre is 10-18mm.
By using above-mentioned technical proposal, by the way that asbestos fibre is added into concrete slurry, so that concrete slurry
Toughness increases, and improves the impact resistance of concrete slurry, so that being not easy deformation after concrete slurry is cooling.
The present invention is further arranged to: the concrete slurry the preparation method is as follows:
A. cement and water are stirred evenly to form concrete premix；
B. fine aggregate, sodium isethionate and kojic acid palmitate are added in concrete premix, stir evenly with
Form concrete mix；
C. coarse aggregate is added in concrete mix, stirs evenly to form concrete slurry.
Plastic concrete premix, concrete are formed by first blended cement and water by using above-mentioned technical proposal
Fine aggregate, sodium isethionate and the mixing of kojic acid palmitate are added in pre-composition, avoids that coarse aggregate influence kojic acid palm is added
Acid esters and sodium isethionate mix non-uniform situation, then coarse aggregate is added to concrete mix, so that kojic acid palmitinic acid
Ester is preferably filled in the gap between coarse aggregate and fine aggregate, so that concrete slurry is not easy bursting by freezing.
In view of the deficienciess of the prior art, the second object of the present invention is to provide a kind of concrete prefabricated wallboard, tool
Have the advantages that quality is more uniform.
To achieve the above object, the present invention provides the following technical scheme that
A kind of concrete prefabricated wallboard is prepared by the production technology of above-mentioned concrete prefabricated wallboard.
By using above-mentioned technical proposal, start to pour gradually along the edge of primary preform wallboard by concrete slurry
It is poured toward primary prefabricated panel center, fills up the gap of primary preform panel edges, increase concrete slurry and primary preform wall
Contact area between plate, so that concrete slurry is distributed in primary preform wallboard more uniformly, so that concrete grout
It is more uniform that liquid is distributed in quality in primary preform wallboard.
In conclusion the invention has the following advantages:
1. being started to pour gradually along the edge of primary preform wallboard toward primary prefabricated panel center by concrete slurry
It pours, fills up the gap of primary preform panel edges, increase the contact area between concrete slurry and primary preform wallboard, make
Concrete slurry is obtained to be distributed in primary preform wallboard more uniformly；
2. being filled in coarse aggregate and thin collection using kojic acid palmitate by the way that kojic acid palmitate is added in concrete slurry
In gap between material, so that the brittle point of concrete slurry declines, so that the anti-freezing property of concrete slurry is preferable, reduce
The case where concrete panel lower due to ambient temperature bursting by freezing；
3. by the way that iron powder is added, so that the structural strength of concrete slurry is preferable, so that anti-pressure ability improves, so that
The case where concrete panel is not easily susceptible to extraneous impact and cracks.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of concrete prefabricated wall board production technology in the present invention.
Specific embodiment
With reference to the accompanying drawings and embodiments, invention is further described in detail.
In following embodiment, cement is using can the H102 cement sold of intelligent new material Science and Technology Ltd..
In following embodiment, coarse aggregate uses the gravel of Shijiazhuang Yuan Jiang Mineral Products Trade Co., Ltd sale.
In following embodiment, fine aggregate uses the mixture of eight smelting engineering Industrial Co., Ltd., Shenzhen sale.
In following embodiment, kojic acid palmitate uses the kojic acid palmitinic acid of Xi'an Chuan En Biotechnology Co., Ltd sale
Ester.
In following embodiment, sodium isethionate uses the isethionic acid of Zhengzhou Xin Hao chemical products Co., Ltd sale
Sodium.
In following embodiment, iron powder uses the iron powder of Shijiazhuang Xin Bo mineral products Co., Ltd sale.
In following embodiment, asbestos fibre uses the asbestos fibre of Lingshou County Xin Bin mineral products processing factory sale.
In following embodiment, silicon powder is micro- using the W63-W0.5 silicon that Dongguan City Jin Ying abrasive material Science and Technology Ltd. sells
Powder.
In following embodiment, sodium stannate uses the sodium stannate of the wide enrichment industrial and commercial bank sale in Zhengzhou City Jinshui District.
Embodiment 1
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. cement 100kg, water 100kg are added in a stirring kettle, revolving speed 70r/min stirs 15min, and it is pre- to form concrete
Mixed object；
B. fine aggregate 200kg, sodium isethionate 8kg and kojic acid palmitate 15kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 300kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 2
A. cement 100kg, water 110kg are added in a stirring kettle, revolving speed 70r/min stirs 15min, and it is pre- to form concrete
Mixed object；
B. fine aggregate 250kg, sodium isethionate 9kg and kojic acid palmitate 20kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 350kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 3
A. cement 100kg, water 120kg are added in a stirring kettle, revolving speed 70r/min stirs 15min, and it is pre- to form concrete
Mixed object；
B. fine aggregate 300kg, sodium isethionate 10kg and kojic acid palmitate 25kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 400kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 4
A. cement 100kg, water 105kg are added in a stirring kettle, revolving speed 70r/min stirs 15min, and it is pre- to form concrete
Mixed object；
B. fine aggregate 280kg, sodium isethionate 9kg and kojic acid palmitate 22kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 375kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 5
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. in a stirring kettle be added cement 100kg, water 105kg, iron powder 10kg, asbestos fibre 5kg, silicon powder 8kg and
Sodium stannate 5kg, revolving speed 70r/min stir 15min, form concrete premix；
B. fine aggregate 280kg, sodium isethionate 9kg and kojic acid palmitate 22kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 375kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The length of asbestos fibre is 10mm in the present embodiment.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 6
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. cement 100kg, water 105kg, iron powder 15kg, asbestos fibre 8.5kg, silicon powder 11.5kg are added in a stirring kettle
And sodium stannate 7.5kg, revolving speed 70r/min, 15min is stirred, concrete premix is formed；
B. fine aggregate 280kg, sodium isethionate 9kg and kojic acid palmitate 22kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 375kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The length of asbestos fibre is 14mm in the present embodiment.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 7
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. in a stirring kettle be added cement 100kg, water 105kg, iron powder 20kg, asbestos fibre 12kg, silicon powder 15kg with
And sodium stannate 10kg, revolving speed 70r/min, 15min is stirred, concrete premix is formed；
B. fine aggregate 280kg, sodium isethionate 9kg and kojic acid palmitate 22kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 375kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The length of asbestos fibre is 18mm in the present embodiment.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 8
A kind of concrete slurry, concrete slurry the preparation method is as follows:
A. in a stirring kettle be added cement 100kg, water 105kg, iron powder 18kg, asbestos fibre 6kg, silicon powder 9kg and
Sodium stannate 8kg, revolving speed 70r/min stir 15min, form concrete premix；
B. fine aggregate 280kg, sodium isethionate 9kg and kojic acid palmitate 22kg, revolving speed are added in a stirring kettle
100r/min stirs 10min, forms concrete mix；
C. coarse aggregate 375kg, revolving speed 60r/min are added in a stirring kettle, stirs 10min, forms concrete slurry, revolving speed
30r/min persistently stirs 5min.
The length of asbestos fibre is 16mm in the present embodiment.
The present embodiment fine aggregate includes talcum powder, flyash, silica white and fine sand, talcum powder, flyash, silica white with
And fine sand mass ratio is 22:18:14:46.
Embodiment 9
A kind of production technology of concrete prefabricated wallboard, referring to Fig.1, comprising the following specific steps
S1. mold frame is arranged, concrete operations are as follows:
The eliminating impurities such as the iron sheet that rubbish, wood chip soil and the squama in mold frame are fallen are clean.
S2. precast reinforced cage in mold frame, concrete operations are as follows:
Steel reinforcement cage is laid on mold frame inner surface to form primary preform wallboard, in mold frame while being laid with steel reinforcement cage
Interior coating mould oil.
S3. casting concrete slurries, concrete operations are as follows:
Concrete slurry is poured along the edge of primary preform wallboard, is gradually poured toward primary prefabricated panel center full to build
Mold frame, smoothes out the top surface of concrete after concreting is complete, and primary preform wallboard is dry to form intermediate prefabricated panel.
The temperature that concrete slurry is laid in the present embodiment is 25 DEG C, the temperature that concrete slurry is laid in other embodiments
Degree can also be 20 DEG C, and 30 DEG C are waited other temperature.
S4. forming processes, concrete operations are as follows:
Forming processes are carried out by shake table vibratory compaction middle rank prefabricated panel.
S5. demoulding maintenance, concrete operations are as follows:
Molding intermediate prefabricated panel break away from moulds frame is conserved to form concrete panel.
In the present embodiment, concrete slurry uses the concrete slurry of embodiment 9, in other embodiments, reality also can be used
Apply the concrete slurry of a 1-8.
Comparative example 1
Difference with embodiment 9 is:
Cancel in step a and iron powder is added.
Comparative example 2
Difference with embodiment 9 is:
Cancel in step a and asbestos fibre is added.
Comparative example 3
Difference with embodiment 9 is:
Cancel in step a and silicon powder is added.
Comparative example 4
Difference with embodiment 9 is:
Cancel in step a and sodium stannate is added.
Comparative example 5
Difference with embodiment 9 is:
Cancel in step b and kojic acid palmitate is added.
Comparative example 6
Difference with embodiment 9 is
Cancel in step c and sodium isethionate is added.
Experiment 1
According to freeze proof in GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard "
The freeze proof grade of testing inspection embodiment 1-9 and comparative example 1-6 records the concrete slurry system of embodiment 1-9 and comparative example 1-6
The corresponding relative dynamic elastic modulus of different freezing-thawing cycles that standby sample is subjected to { press by relative dynamic elastic modulusIt calculates, PiThe relative dynamic elastic modulus (%) of i-th of concrete sample, f after n times Frozen-thawed cycled0iThrough N
The lateral fundamental frequency (Hz) of i-th of concrete sample, f after secondary Frozen-thawed cycledniI-th of concrete sample is horizontal before freezing and thawing test
To fundamental frequency initial value (Hz) }.(relative dynamic elastic modulus is bigger, and freeze proof higher grade)
Experiment 2
According to ASTM D1074-2009 " standard test method of asphalt compression strength " detect embodiment 1-9 with
And the compression strength of the sample of the asphalt preparation of comparative example 1-6.
Specific experiment data are shown in Table 1 and table 2
Table 1
It can be obtained according to table 1, the data of comparative examples 1 and embodiment 8, it is seen that iron powder is added in concrete slurry, can have
Effect improves the structural strength of concrete slurry, so that the compression strength of the sample of concrete slurry preparation improves and rises.
Comparative example 2, comparative example 3 data comparison with embodiment 8 respectively, it is seen that asbestos fibre and silicon powder effectively mention
The compression strength of the sample of high concrete slurries preparation, so that concrete slurry is relatively stable, so that concrete walls are hardened
Structure intensity is preferable.
The data of comparative examples 4 and embodiment 8, it is seen that sodium stannate is added in concrete slurry, preferably reduces mixed
The brittle point of solidifying soil paste liquid, so that concrete slurry is less susceptible to bursting by freezing, so that concrete panel is not easy to crack.
The data of comparative examples 5 and embodiment 8, it is seen that kojic acid palmitate reduces the brittle point of concrete slurry, into
And the case where making the anti-freezing property of concrete slurry preferable, reducing concrete panel lower due to ambient temperature bursting by freezing.
The data of comparative examples 6 and embodiment 8, sodium isethionate promote kojic acid palmitate to reduce concrete slurry
Brittle point effect it is more preferable so that the brittle point of concrete slurry further declines, so that concrete panel is less easy to crack.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of production technology of concrete prefabricated wallboard, it is characterized in that: the following steps are included:
S1. mold frame is arranged；
S2. precast reinforced cage in mold frame, concrete operations are as follows:
Steel reinforcement cage is laid in mold frame to form primary preform wallboard；
S3. casting concrete slurries, concrete operations are as follows:
Concrete slurry is started to pour along the edge of primary preform wallboard and is gradually poured toward primary prefabricated panel center to be formed
Intermediate prefabricated panel；
S4. forming processes, concrete operations are as follows:
Forming processes are carried out by vibrating intermediate prefabricated panel；
S5. demoulding maintenance, concrete operations are as follows:
Molding intermediate prefabricated panel break away from moulds frame is conserved to form concrete panel；
The concrete slurry includes the component of following mass fraction:
100 parts of cement；
300-400 parts of coarse aggregate；
200-300 parts of fine aggregate；
100-120 parts of water；
15-25 parts of kojic acid palmitate；
8-10 parts of sodium isethionate.
2. a kind of production technology of concrete prefabricated wallboard according to claim 1, it is characterized in that: in step s 2, institute
It states in mold frame and is laid with during steel reinforcement cage, release agent is coated in mold frame.
3. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the concrete slurry
Further include the component of following mass fraction:
8-15 parts of silicon powder.
4. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the concrete slurry
Further include the component of following mass fraction:
5-10 parts of sodium stannate.
5. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the fine aggregate includes
Talcum powder, flyash, silica white and fine sand, the talcum powder, flyash, silica white and fine sand mass ratio are 22:18:
14:46.
6. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the concrete slurry
Further include the component of following mass fraction:
10-20 parts of iron powder.
7. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the concrete slurry
Further include the component of following mass fraction:
5-12 parts of asbestos fibre；
The length of the asbestos fibre is 10-18mm.
8. the production technology of a kind of concrete prefabricated wallboard according to claim 1, it is characterized in that: the concrete slurry
The preparation method is as follows:
A. cement and water are stirred evenly to form concrete premix；
B. fine aggregate, sodium isethionate and kojic acid palmitate are added in concrete premix, stirs evenly to be formed
Concrete mix；
C. coarse aggregate is added in concrete mix, stirs evenly to form concrete slurry.
9. a kind of concrete prefabricated wallboard, it is characterized in that: by the production of any concrete prefabricated wallboard of claim 1-9
Technique is prepared.
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| CN111499302A (en) * | 2020-04-25 | 2020-08-07 | 浙江欣成建设有限公司 | Preparation process of concrete prefabricated wallboard |
| CN112088749A (en) * | 2020-08-03 | 2020-12-18 | 瑞派尔(宜昌)科技集团股份有限公司 | Ecological concrete for restoring ecological planting |
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