CN108240066A - A kind of modified thermal insulation concrete plate for building and preparation method thereof - Google Patents
A kind of modified thermal insulation concrete plate for building and preparation method thereof Download PDFInfo
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- CN108240066A CN108240066A CN201611225086.3A CN201611225086A CN108240066A CN 108240066 A CN108240066 A CN 108240066A CN 201611225086 A CN201611225086 A CN 201611225086A CN 108240066 A CN108240066 A CN 108240066A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
- E04C2/2885—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Abstract
The present invention discloses a kind of modified thermal insulation concrete plate for building and preparation method thereof, proposes a kind of cement expansive material first, adds to the product prepared in concrete particularly suitable for civil construction after this swelling agent component is mixed according to corresponding proportion again.Gained slurry and reinforcing bar and metal straight tube are poured, then completed after prepared by insulating layer, will after cement based sizing and foams mix foamed concrete slurry；It by gained foamed concrete slurry, pours and is placed in gained coagulation plate body, modified thermal insulation concrete plate for building is both obtained after maintenance, the intensity of this finished product is high, and compression strength is big, and the manufacturing cost of material is low, and insulation, is with a wide range of applications.
Description
Technical field
The invention belongs to civil construction field of material technology, and in particular to a kind of modified thermal insulation concrete plate for building
Preparation method.
Background technology
Normal concrete is mainly made of cement, water, sand, stone and additive, and in order to which preparation performance is good mixed
Solidifying soil reasonably selects its each component material needs.Armoured concrete slab is made of Reinforced Concrete Materials
Plate is building construction and basic structure or component in various engineering structures, be commonly used for roof system, superstructure, platform, wall, retaining wall,
Basis, terrace, road surface, pond etc., application range is extremely wide.With the continuous development of building trade, the construction material to become increasingly abundant
Demand becomes the technical barrier in urban construction.
Cement expansive material generates the crystallization that volume becomes larger by being reacted with cement, the water hydratable in concrete, so as to
Volume of concrete is caused to expand, generates certain prestressing force, helps to control Shrinkage Cracking of Concrete.Cement expansive material extensively should
Use room build, multiple branch fields such as water conservancy, road traffic, nuclear power, and bring good economic benefits for national production and construction.
To improve certain properties of concrete, generally by adding in additive.There is apparent techno-economic effect due to mixing additive,
It has become the indispensable component of concrete.In addition, for concrete after the workability of improvement concrete mix or hardening
Performance, save cement, can also mix levigate mineral admixture when concrete stirs, so as to influence the intensity of concrete,
Deformation, the heat of hydration, impermeability and color etc..
For the reliable concrete of preparation performance good quality, its every characteristic of the considerations of comprehensive is needed, is being matched
During design, it is necessary to reasonably meet other various performance requirements for adapting to various application scenarios.On research and development swelling agent basis,
The building cover board of higher insulation levels can be had by having studied, and can be effectively improved the warming situation of loft, be reached saving energy
Source, the purpose of insulation.In addition, in order to avoid influencing stress performance, conventional floors is caused to be easy to crack, influence normally to make
With.The weight of component is reduced by the way of hollow metal tube, hole formation precast hollow slab is set in prefabricated components, is made
A kind of modified for building of novel improved structure thermal insulation concrete harden structure for building.
Invention content
Low there is support strength in order to solve existing building concrete board constructions, service life is short, thermal insulation separation audio
The technical issues of fruit is poor, the present invention propose a kind of new swelling agent, are researching and developing on this swelling agent basis, having studied can have
The building cover board modified thermal insulation concrete plate for building of higher insulation levels, including coagulation plate body, reinforcing bar, metal straight tube, every
Sound cotton, metal mesh and insulating layer；Have preparation method to include：
(1) concrete slurry is configured, the concrete slurry by weight, is made by following components：Cement 500~800
Parts by weight；40~50 parts by weight of metakaolin and SILICA FUME silicon ash equal proportion mixture；Silicon carbide sand activated carbon or ground blast furnace slag
1000~1400 parts by weight；40~60 parts by weight of swelling agent；250~350 parts by weight of water；
(2) prepared by coagulation plate body：Gained slurry and reinforcing bar and metal straight tube are poured, the reinforcing bar and metal
Straight tube is sorted using 6 to 10 intervals；Sound insulation by filling cotton inside the metal straight tube；The metal mesh is laid on coagulation
The upper surface of plate body；It is alternately laid in a manner of every layer of 45 ° of difference, is laid with 2~5 layers, suppressed, made after being laid with every layer
In metal mesh insertion coagulation plate body；It treats after the completion of being all laid with, continues 6~18h of maintenance, obtain coagulation plate body；
(3) prepared by insulating layer：Portland cement, flyash, water-reducing agent in foamed concrete stir equal after being mixed with water
It is even, obtain cement based sizing；The foaming agent and water stirring to obtain foam；It is mixed by that must foam after cement based sizing and foams mix
Solidifying soil paste material；By gained foamed concrete slurry, pour and be placed in step (2) gained coagulation plate body, continue 6~18h of maintenance,
Both.
For above-mentioned technical proposal, in the case of preferred, the swelling agent component includes,
The mixture 20-30 parts by weight of land plaster and dephosphorization land plaster, silica 1 5-20 parts by weight, calcium oxide 30-40
Parts by weight, alum acid iron cement 3-6 parts by weight, calcining coal gangue 6-12 parts by weight, calcium stearate 6-10 parts by weight, nano barium titanate aluminium are fine
Tie up 3-8 parts by weight, polypropylene fibre 1-3 parts by weight, flyash 8-10 parts by weight, magnesia 5-10 parts by weight.
For above-mentioned technical proposal, in the case of preferred, phenol 1-3 parts by weight, ethyl alcohol 1-3 parts by weight.
For above-mentioned technical proposal, in the case of preferred, the mixture of the land plaster and dephosphorization land plaster, mass ratio
It is 1:1.5, fineness is less than 300 μm.
For above-mentioned technical proposal, in the case of preferred, the calcium stearate is by calcium chloride and stearic acid and sodium palmitate
The mixture reaction generation of salt is washed with water removal sodium chloride and obtains.
For above-mentioned technical proposal, in the case of preferred, the preferred proportion of each raw material is as follows in the swelling agent component：
The mixture 20-25 parts by weight of land plaster and dephosphorization land plaster, silica 1 5-20 parts by weight, 35 weight of calcium oxide
Measure part, 5 parts by weight of alum acid iron cement, calcining coal gangue 6-8 parts by weight, calcium stearate 6-8 parts by weight, 6 weight of nano barium titanate aluminum fiber
Measure part, 2 parts by weight of polypropylene fibre, 8 parts by weight of flyash, 7 parts by weight of magnesia.
For above-mentioned technical proposal, in the case of preferred, the expansive agent dosage is 50 parts by weight.
For above-mentioned technical proposal, in the case of preferred, the foamed concrete is made as follows：Solid component silicon
Acid salt cement and flyash, water-reducing agent stir evenly after being mixed with water, obtain cement based sizing；The foaming agent is obtained with water stirring
Obtain foam；Foamed concrete slurry will be obtained after cement based sizing and foams mix.
For compared with the prior art, concrete formulation provided by the invention is particularly suitable for civil construction, setting time
It is short, ensure concrete structure intensity while have superior durability energy.The intensity of concrete is high, and compression strength is big,
The manufacturing cost of material is low, and insulation.In addition, the weight of component is reduced by the way of hollow metal tube, in prefabricated structure
Setting hole formation precast hollow slab, has been made a kind of modified for building of novel improved structure heat preservation coagulation for building in part
Native harden structure.
Specific embodiment
Following non-limiting examples can make those of ordinary skill in the art be more fully understood the present invention, but not with
Any mode limits the present invention.Any one skilled in the art in the technical scope of present disclosure, according to
Technical scheme of the present invention and its inventive concept carry out equivalent substitution or change and belong to protection category of the present invention.
Embodiment 1
Mixing is spare after each raw material is crushed
800 parts by weight of cement；
50 parts by weight of metakaolin and SILICA FUME silicon ash equal proportion mixture；
1000 parts by weight of silicon carbide sand activated carbon or ground blast furnace slag；
40 parts by weight of swelling agent being mixed with using above-mentioned raw materials；
250 parts by weight of water；
Wherein, the swelling agent component includes：
The ratio of each raw material is in swelling agent component：25 parts by weight of mixture, the titanium dioxide of land plaster and dephosphorization land plaster
20 parts by weight of silicon, 35 parts by weight of calcium oxide, 5 parts by weight of alum acid iron cement, 6 parts by weight of calcining coal gangue, 8 parts by weight of calcium stearate,
6 parts by weight of nano barium titanate aluminum fiber, 2 parts by weight of polypropylene fibre, 8 parts by weight of flyash, 7 parts by weight of magnesia；
Wherein, the mass ratio of land plaster and dephosphorization land plaster is 1 in land plaster and dephosphorization gypsum powder mixture:1.5, fineness
To be less than 300 μm；The calcium stearate is reacted generation with the mixture of stearic acid and palmitic acid sodium salt by calcium chloride and is washed with water
Removal sodium chloride obtains.
The raw material larger to various granularities described above carries out grinding, and it is less than 300 μm to roughly grind to fineness；, then, with
Other mixtures are stirred uniformly.
It is detected, testing result and is analyzed as follows：
By to this product 7d free swelling rate %, 28d free swelling rate %, 7d compression strength/MPa, 28d pressure resistances
Degree/MPa detections, testing result respectively reach：7d free swelling rates are 0.31,28d free swelling rates 0.32,7d compression strength
49.3MPa, 28d compression strength 59.8MPa.Thus data are it is found that the swelling agent that the method for the invention prepares, have compared with
High free swelling rate, and requirement is used in combination in the stability of the duration of its expansion effect and dilation very much, after hardening
Concrete overall target evaluation, well.The expansion rate of swelling agent is consistent with concrete strength development, the concrete after hardening
It is high-quality.
Embodiment 2
Mixing is spare after each raw material is crushed
800 parts by weight of cement；
50 parts by weight of metakaolin and SILICA FUME silicon ash equal proportion mixture；
1000 parts by weight of silicon carbide sand activated carbon or ground blast furnace slag；
60 parts by weight of swelling agent being mixed with using above-mentioned raw materials；
250 parts by weight of water；
Wherein, the swelling agent component includes：
The ratio of each raw material is in swelling agent component：25 parts by weight of mixture, the titanium dioxide of land plaster and dephosphorization land plaster
15 parts by weight of silicon, 35 parts by weight of calcium oxide, 5 parts by weight of alum acid iron cement, 8 parts by weight of calcining coal gangue, 6 parts by weight of calcium stearate,
6 parts by weight of nano barium titanate aluminum fiber, 2 parts by weight of polypropylene fibre, 8 parts by weight of flyash, 7 parts by weight of magnesia；
Wherein, the mass ratio of land plaster and dephosphorization land plaster is 1 in land plaster and dephosphorization gypsum powder mixture:1.5, fineness
To be less than 300 μm；The calcium stearate is reacted generation with the mixture of stearic acid and palmitic acid sodium salt by calcium chloride and is washed with water
Removal sodium chloride obtains.
The raw material larger to various granularities described above carries out grinding, and it is less than 300 μm to roughly grind to fineness；, then, with
Other mixtures are stirred uniformly.
It is detected, testing result and is analyzed as follows：
By to this product 7d free swelling rate %, 28d free swelling rate %, 7d compression strength/MPa, 28d pressure resistances
Degree/MPa detections, testing result respectively reach：7d free swelling rates are 0.31,28d free swelling rates 0.32,7d compression strength
49.3MPa, 28d compression strength 59.8MPa.Thus data are it is found that the swelling agent that the method for the invention prepares, have compared with
High free swelling rate, and requirement is used in combination in the stability of the duration of its expansion effect and dilation very much, after hardening
Concrete overall target evaluation, well.The expansion rate of swelling agent is consistent with concrete strength development, the concrete after hardening
It is high-quality.
Embodiment 3
Mixing is spare after each raw material is crushed
800 parts by weight of cement；
50 parts by weight of metakaolin and SILICA FUME silicon ash equal proportion mixture；
1000 parts by weight of silicon carbide sand activated carbon or ground blast furnace slag；
60 parts by weight of swelling agent being mixed with using above-mentioned raw materials；
250 parts by weight of water；
Wherein, the swelling agent component includes：
The ratio of each raw material is in swelling agent component：20 parts by weight of mixture, the titanium dioxide of land plaster and dephosphorization land plaster
20 parts by weight of silicon, 35 parts by weight of calcium oxide, 5 parts by weight of alum acid iron cement, 8 parts by weight of calcining coal gangue, 6 parts by weight of calcium stearate,
6 parts by weight of nano barium titanate aluminum fiber, 2 parts by weight of polypropylene fibre, 8 parts by weight of flyash, 7 parts by weight of magnesia；3 weight of phenol
Part, 2 parts by weight of ethyl alcohol.
Wherein, the mass ratio of land plaster and dephosphorization land plaster is 1 in land plaster and dephosphorization gypsum powder mixture:1.5, fineness
To be less than 300 μm；The calcium stearate is reacted generation with the mixture of stearic acid and palmitic acid sodium salt by calcium chloride and is washed with water
Removal sodium chloride obtains.
The raw material larger to various granularities described above carries out grinding, and it is less than 300 μm to roughly grind to fineness；, then, with
Other mixtures are stirred uniformly.
It is detected, testing result and is analyzed as follows：
By to this product 7d free swelling rate %, 28d free swelling rate %, 7d compression strength/MPa, 28d pressure resistances
Degree/MPa detections, testing result respectively reach：7d free swelling rates are 0.31,28d free swelling rates 0.32,7d compression strength
49.3MPa, 28d compression strength 59.8MPa.Thus data are it is found that the swelling agent that the method for the invention prepares, have compared with
High free swelling rate, and requirement is used in combination in the stability of the duration of its expansion effect and dilation very much, after hardening
Concrete overall target evaluation, well.The expansion rate of swelling agent is consistent with concrete strength development, the concrete after hardening
It is high-quality.
Embodiment 4
(1) arrangement of reinforcement is carried out according to operating mode；Concrete slurry, the concrete slurry, by weight, by reality are configured after arrangement of reinforcement
The component for applying example 1~3 is made, and gained slurry is poured, and is conserved after pouring, both；
(2) prepared by coagulation plate body：Gained slurry and reinforcing bar and metal straight tube are poured, the reinforcing bar and metal
Straight tube is sorted using 6 to 10 intervals；Sound insulation by filling cotton inside the metal straight tube；The metal mesh is laid on coagulation
The upper surface of plate body；It is alternately laid in a manner of every layer of 45 ° of difference, is laid with 2 layers, suppressed after being laid with every layer, make gold
Belong in the embedded coagulation plate body of net；It treats after the completion of being all laid with, continues to conserve 18h, obtain coagulation plate body；
(3) prepared by insulating layer：Portland cement, flyash, water-reducing agent in foamed concrete stir equal after being mixed with water
It is even, obtain cement based sizing；The foaming agent and water stirring to obtain foam；It is mixed by that must foam after cement based sizing and foams mix
Solidifying soil paste material；By gained foamed concrete slurry, pour and be placed in step (2) gained coagulation plate body, continue to conserve 6h, both
.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of preparation method of modified thermal insulation concrete plate for building, it is characterised in that：Including coagulation plate body, reinforcing bar,
Metal straight tube, sound-proof material, metal mesh and insulating layer；Have preparation method to include：
(1) concrete slurry is configured, the concrete slurry by weight, is made by following components：500~800 weight of cement
Part；40~50 parts by weight of metakaolin and SILICA FUME silicon ash equal proportion mixture；Silicon carbide sand activated carbon or ground blast furnace slag 1000
~1400 parts by weight；40~60 parts by weight of swelling agent；250~350 parts by weight of water；
(2) prepared by coagulation plate body：Gained slurry and reinforcing bar and metal straight tube are poured, the reinforcing bar and metal straight tube
It is sorted using 6 to 10 intervals；Sound insulation by filling cotton inside the metal straight tube；The metal mesh is laid on coagulation plate master
The upper surface of body；It is alternately laid in a manner of every layer of 45 ° of difference, is laid with 2~5 layers, suppressed after being laid with every layer, make metal
In the embedded coagulation plate body of net；It treats after the completion of being all laid with, continues 6~18h of maintenance, obtain coagulation plate body；
(3) prepared by insulating layer：Portland cement, flyash, water-reducing agent in foamed concrete stir evenly after being mixed with water, obtain
Obtain cement based sizing；The foaming agent and water stirring to obtain foam；Foamed concrete will be obtained after cement based sizing and foams mix
Slurry；By gained foamed concrete slurry, pour and be placed in step (2) gained coagulation plate body, continue 6~18h of maintenance, both
.
2. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：Described
Swelling agent component includes,
The mixture 20-30 parts by weight of land plaster and dephosphorization land plaster, silica 1 5-20 parts by weight, calcium oxide 30-40 weight
Part, alum acid iron cement 3-6 parts by weight, calcining coal gangue 6-12 parts by weight, calcium stearate 6-10 parts by weight, nano barium titanate aluminum fiber 3-
8 parts by weight, polypropylene fibre 1-3 parts by weight, flyash 8-10 parts by weight, magnesia 5-10 parts by weight.
3. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：Phenol 1-
3 parts by weight, ethyl alcohol 1-3 parts by weight.
4. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：The stone
The mixture of cream powder and dephosphorization land plaster, mass ratio 1:1.5, fineness is less than 300 μm.
5. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：It is described hard
Resin acid calcium reacted by calcium chloride with the mixture of stearic acid and palmitic acid sodium salt generation be washed with water removal sodium chloride obtain.
6. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：Described
The preferred proportion of each raw material is as follows in swelling agent component：
The mixture 20-25 parts by weight of land plaster and dephosphorization land plaster, silica 1 5-20 parts by weight, 35 parts by weight of calcium oxide,
5 parts by weight of alum acid iron cement, calcining coal gangue 6-8 parts by weight, calcium stearate 6-8 parts by weight, 6 parts by weight of nano barium titanate aluminum fiber,
2 parts by weight of polypropylene fibre, 8 parts by weight of flyash, 7 parts by weight of magnesia.
7. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：It is described swollen
Swollen dose of volume is 50 parts by weight.
8. the preparation method of modified thermal insulation concrete plate for building according to claim 1, it is characterised in that：The hair
Bubble concrete is made as follows：Solid component portland cement and flyash, water-reducing agent stir evenly after being mixed with water, obtain
Obtain cement based sizing；The foaming agent and water stirring to obtain foam；Foamed concrete will be obtained after cement based sizing and foams mix
Slurry.
9. utilize the modified thermal insulation concrete plate for building that claim 1 the method prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225086.3A CN108240066A (en) | 2016-12-27 | 2016-12-27 | A kind of modified thermal insulation concrete plate for building and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225086.3A CN108240066A (en) | 2016-12-27 | 2016-12-27 | A kind of modified thermal insulation concrete plate for building and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108240066A true CN108240066A (en) | 2018-07-03 |
Family
ID=62702362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611225086.3A Pending CN108240066A (en) | 2016-12-27 | 2016-12-27 | A kind of modified thermal insulation concrete plate for building and preparation method thereof |
Country Status (1)
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| CN (1) | CN108240066A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344521A (en) * | 2019-07-11 | 2019-10-18 | 福建省顺天亿建设有限公司 | A kind of construction method of construction wall |
| CN111233417A (en) * | 2020-02-29 | 2020-06-05 | 北京古运混凝土有限公司 | Preparation process of high-strength concrete |
-
2016
- 2016-12-27 CN CN201611225086.3A patent/CN108240066A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344521A (en) * | 2019-07-11 | 2019-10-18 | 福建省顺天亿建设有限公司 | A kind of construction method of construction wall |
| CN110344521B (en) * | 2019-07-11 | 2020-10-09 | 福建省顺天亿建设有限公司 | Construction method of building wall |
| CN111233417A (en) * | 2020-02-29 | 2020-06-05 | 北京古运混凝土有限公司 | Preparation process of high-strength concrete |
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