CN116641507A - Assembled concrete composite insulation board and preparation method thereof - Google Patents
Assembled concrete composite insulation board and preparation method thereof Download PDFInfo
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- CN116641507A CN116641507A CN202310449902.2A CN202310449902A CN116641507A CN 116641507 A CN116641507 A CN 116641507A CN 202310449902 A CN202310449902 A CN 202310449902A CN 116641507 A CN116641507 A CN 116641507A
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- insulation board
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- 238000009413 insulation Methods 0.000 title claims abstract description 121
- 239000002131 composite material Substances 0.000 title claims abstract description 110
- 239000004567 concrete Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000004964 aerogel Substances 0.000 claims abstract description 88
- 239000010410 layer Substances 0.000 claims abstract description 60
- 230000002787 reinforcement Effects 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 12
- 238000004321 preservation Methods 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000011433 polymer cement mortar Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
-
- 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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of assembly type buildings, in particular to an assembly type concrete composite insulation board and a preparation method thereof, wherein a composite aerogel homogeneous insulation board is assembled on a die table; the composite aerogel homogeneous insulation board is sequentially provided with an inner side interface agent layer, an aerogel homogeneous insulation board, a reinforcing rib, an outer side interface agent layer, a stress balance layer, two reinforcing ribs and high impact mortar from inside to outside, and an inner leaf board reinforcement cage is placed in the composite aerogel homogeneous insulation board; a protective layer cushion block is arranged between the inner leaf plate reinforcement cage and the composite aerogel homogeneous insulation board; pouring inner leaf plate concrete into the composite aerogel homogeneous insulation board; and the concrete is demolded after being cured, so that the heat-insulating structure and the shear wall can be installed on site after being integrally formed in a factory, the influence of site construction weather on construction is avoided, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of assembled buildings, in particular to an assembled concrete composite insulation board and a preparation method thereof.
Background
At present, the wallboard integrated with the prefabricated concrete shear wall heat insulation structure is mainly in the form of a prefabricated sandwich heat insulation external wallboard. In the outdoor construction process of the heat insulation board on the outer surface of the shear wall, the outer wall plastering is required to be carried out after the base layer of the wall surface is cleaned, the heat insulation board can be paved after the adhesive is coated after the outer wall plastering is completely dried, in the process, the outer wall surface is required to be kept in a dried state, but the wall surface is difficult to reach the condition due to the influence of weather, and the construction period of the outer wall is further influenced.
In view of the above drawbacks, the present inventors have finally achieved the present invention through long-time studies and practices.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the wall surface is required to be cleaned first and then the external wall plastering is carried out, after the external wall plastering is completely dried, the plastering work of an insulation board can be carried out after the adhesive is coated, and in the process, the external wall surface is required to be kept in a dried state, but the wall surface is difficult to reach the condition due to the influence of weather, so that the construction period of the external wall is influenced, and the assembled concrete composite insulation board and the preparation method thereof are provided.
In order to achieve the above purpose, the invention discloses an assembled concrete composite insulation board, which comprises a prefabricated wall body, a composite aerogel homogeneous insulation board, an anchoring assembly and a protective layer, wherein the inner side of the composite aerogel homogeneous insulation board is tightly contacted with the outer side of the prefabricated wall body, the composite aerogel homogeneous insulation board is arranged on the outer side of the prefabricated wall body, and the protective layer is arranged on the outer side of the composite aerogel homogeneous insulation board.
The protective layer comprises a plastering adhesive cement and a facing layer, and the plastering adhesive cement is arranged between the facing layer and the composite aerogel homogeneous insulation board.
The prefabricated wall body comprises a prefabricated shear wall outer wall and a prefabricated cladding board, and the composite aerogel homogeneous insulation board sequentially comprises an inner side interface agent layer, an aerogel homogeneous insulation board, a reinforcing rein, an outer side interface agent layer, a stress balance layer, a two-way reinforcing rein and a bonding mortar layer from inside to outside.
The two reinforcing rein-forced air cooling device comprises an aerogel homogeneous insulation board, wherein the aerogel homogeneous insulation board is provided with a groove grid with the cross section dimension of 6mm multiplied by 6mm, the grid spacing is 20cm multiplied by 20cm, stress balance layer slurry is filled in the groove grid, the aerogel homogeneous insulation board is provided with the groove grid with the cross section dimension of 6mm multiplied by 6mm, the grid spacing is 20cm multiplied by 20cm, and the groove grid is filled with the stress balance layer slurry.
The aerogel homogeneous insulation board is not smaller than 30mm.
The invention also discloses a preparation method of the assembled concrete composite insulation board, which comprises the following steps:
s1, assembling a die of an assembled concrete composite heat-insulating plate on a die table;
s2, paving a composite aerogel homogeneous insulation board from the periphery to the middle on the inner side of the die;
s3, after the mold is checked to be paved qualified, an inner leaf plate reinforcement cage is put into the mold;
s4, a protective layer cushion block is placed between the inner leaf plate reinforcement cage and the composite aerogel homogeneous insulation board;
s5, after the embedded anchor assembly is installed in the mold, pouring inner blade concrete into the mold;
s6, demoulding after curing the concrete.
In the step S1, when the assembled concrete composite insulation board mold is assembled on the mold table, the large concrete residues, welding slag and welding scars on the mold table surface are required to be removed, the assembled concrete composite insulation board mold is paved on the mold table, the outer mold is assembled, and then the inner mold is assembled.
In the step S2, firstly, a proper composite aerogel homogeneous heat preservation and structure integrated plate is selected according to requirements, the composite aerogel homogeneous heat preservation and structure integrated plate is cut according to the drawing size and numbered, pre-assembled, holes or grooves of drawknot pieces are formed in the composite aerogel homogeneous heat preservation plate according to the design drawing, and the processed composite aerogel homogeneous heat preservation plate is paved from the periphery to the middle according to the number in the layout drawing.
When the processed composite aerogel homogeneous insulation board is paved from the periphery to the middle according to the number in the layout, the gaps of the joints of the composite aerogel homogeneous insulation board are filled with polyurethane foaming agent.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the aerogel homogeneous insulation board is used as an insulation layer, the modified cement polymer mortar and the alkali-resistant glass fiber grid cloth are used as protective layers, the performance is stable, the factory continuous production is easy to realize, the construction efficiency is high, the labor intensity of workers is low, the self weight is light, the cost is low, the wind load resistance capability is strong, the insulation effect is better, and the building energy consumption and the environmental pollution are greatly reduced;
2. the assembled concrete composite insulation board is a composite system, so that the selection of various materials meets compatibility and matching performance, and the constraint of boundary conditions of all layers in the insulation system is good, the elastic modulus and the thermal (cold) expansion coefficient of all layers of materials are continuous or have little difference, and the cavity-free mode among all layers of materials in the insulation system is a technical route, so that one layer of constraint is added to the assembled concrete composite insulation board, and the firmness and the stability of the assembled concrete composite insulation board are further enhanced;
3. the composite aerogel homogeneous insulation board is provided with an outer bonding reinforcing layer, an insulation layer, reinforcing rein and stress balance layers; the heat preservation layer is an aerogel homogeneous heat preservation plate and plays a role in heat preservation and heat insulation; the bonding reinforcing layer is arranged on the outer side and is made of special polymer cement mortar, so that the tensile bonding strength of the insulation board and cast-in-place concrete is enhanced, and the bending load and impact strength of the composite aerogel homogeneous insulation board are also improved;
4. the assembled concrete composite heat-insulating plate is provided with reinforcing rein so as to meet the load generated in the construction and transportation processes, the outer side of the aerogel homogeneous heat-insulating plate is provided with groove grids with the cross section dimension of 6mm multiplied by 6mm, the grid spacing is 20cm multiplied by 20cm, the stress balance layer slurry is poured into the groove grids, the stress balance layer is provided with groove grids with the cross section dimension of 6mm multiplied by 6mm, the grid spacing is 20cm multiplied by 20cm, and nylon belts and polymer cement mortar are poured into the groove grids to serve as the reinforcing rein of the assembled concrete composite heat-insulating plate, so that the bending load of the assembled concrete composite heat-insulating plate wallboard is improved;
5. according to the assembled concrete composite insulation board, the alkali-resistant glass fiber mesh cloth is arranged in the modified cement-based polymer mortar and the stress balance layer, so that stress can be effectively transmitted, stress concentration is not generated, in addition, the stress balance layer is arranged, the difference of performance index values among materials of all layers is not too large, the temperature difference of two sides of the framework aerogel homogeneous insulation board is reduced, the aerogel homogeneous insulation board is provided with grooves, and is filled with stress balance slurry with the same insulation effect, because the stress balance slurry has good bonding capability with organic and inorganic materials, reinforcing wires and the stress balance layer can form firm bonding, the problem of poor bonding capability between the organic and inorganic materials is avoided, and the two grooves are formed in the surface layer of the stress balance layer, and the polymer mortar is filled in the grooves, so that the bending load resistance of the assembled concrete composite insulation board is further increased;
6. the slurry used for the stress balance layer arranged on the assembled concrete composite insulation board is recycled materials of edges and corners of the homogeneous board or the thermosetting board, so that the environmental protection problem of manufacturers is fundamentally solved, and wastes are recycled;
7. the invention assembles the mould of the assembled concrete composite thermal insulation board on the mould table; sequentially paving composite aerogel homogeneous heat-insulating and structural integrated plates from the periphery to the middle on the inner side of the die; after the mold is checked to be paved qualified, an inner leaf plate reinforcement cage is put into the mold; a protective layer cushion block is arranged between the inner leaf plate reinforcement cage and the composite aerogel homogeneous heat preservation and structure integrated plate; after installing the embedded anchor assembly in the mould, pouring the inner blade concrete into the mould; and the concrete is demolded after being cured, so that the heat-insulating structure and the shear wall can be installed on site after being integrally formed in a factory, the influence of site construction weather on construction is avoided, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of an assembled concrete composite insulation board of the present invention;
FIG. 2 is a schematic structural view of a composite aerogel homogeneous insulation panel;
FIG. 3 is a flow chart of a method for preparing an assembled concrete composite insulation board of the present invention;
FIG. 4 is a flow chart of a mold for assembling an assembled concrete composite insulation panel on a mold table according to the present invention;
FIG. 5 is a flow chart of paving composite aerogel homogeneous insulation and structure integrated plates from the periphery to the middle on the inner side of a die for an assembled concrete composite insulation board of the invention;
FIG. 6 is a flow chart of pouring inner leaf concrete into a mold after installing pre-embedded anchor assemblies in the mold of the fabricated concrete composite insulation board of the present invention;
fig. 7 is a flow chart of demolding of the fabricated concrete composite insulation board after concrete curing.
The figures represent the numbers:
1-prefabricating a wall body; 2-a composite aerogel homogeneous insulation board; 3-embedding an anchor assembly; 4-plastering adhesive cement; 5-a finishing layer; 6-an inner interfacial agent layer; 7-an aerogel homogeneous insulation board; 8-a reinforcement tie; 9-an outer interfacial agent layer; 10-a stress balance layer; 11-two reinforcement loops; 12-a bonding mortar layer.
Detailed Description
The above and further technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, this embodiment provides an assembled concrete composite insulation board and a preparation method thereof, including a prefabricated wall body 1, a composite aerogel homogeneous insulation board 2, an anchoring assembly 3, and a protective layer, wherein the composite aerogel homogeneous insulation board 2 is in close contact with the outer side of the prefabricated wall body 1, the composite aerogel homogeneous insulation board 2 is arranged on the outer side of the prefabricated wall body 1, and the protective layer is arranged on the outer side of the composite aerogel homogeneous insulation board.
The protective layer comprises a plastering adhesive cement 4 and a finish layer 5, and the plastering adhesive cement 4 is arranged between the finish layer 5 and the composite aerogel homogeneous insulation board 2.
The prefabricated wall body comprises a prefabricated shear wall outer wall and a prefabricated cladding plate, and the composite aerogel homogeneous insulation board sequentially comprises an inner side interface agent layer 6, an aerogel homogeneous insulation board 7, a first reinforcing layer 8, an outer side interface agent layer 9, a stress balance layer 10, a second reinforcing layer 11 and a bonding mortar layer 12 from inside to outside, as shown in fig. 2.
The reinforcement is a groove grid with the cross section size of 6mm multiplied by 6mm arranged above the aerogel homogeneous thermal insulation board, the grid spacing is 20cm multiplied by 20cm, the groove grid is filled with stress balance layer slurry, the two reinforcement is a groove grid with the cross section size of 6mm multiplied by 6mm arranged above the aerogel homogeneous thermal insulation board arranged above the stress balance layer, the grid spacing is 20cm multiplied by 20cm, the groove grid is filled with stress balance layer slurry, the reinforcement is arranged so as to meet the load generated in the construction and transportation process, the groove grid with the cross section size of 6mm multiplied by 6mm is arranged outside the aerogel homogeneous thermal insulation board, the grid spacing is 20cm multiplied by 20cm, the groove grid with the cross section size of 6mm multiplied by 6mm is arranged in the stress balance layer according to the same scheme, the grid spacing is 20cm multiplied by 20cm, and nylon belts and polymer mortar are filled in the groove grid, so as to serve as the reinforcement of the assembled concrete composite board, thereby improving the bending load resistance of the assembled concrete composite thermal insulation board
Example 2
As shown in fig. 3 to 7, a preparation method of the fabricated concrete composite insulation board comprises the following steps:
(1) Assembling a die of the assembled concrete composite insulation board on a die table, removing large concrete residues on the die table by using a steel shovel, removing the rest residual concrete, welding slag and weld marks by using a steel wire wheel on an angle grinder, paving the die of the assembled concrete composite insulation board on the die table, assembling an outer die, and then assembling an inner die;
(2) Paving a composite aerogel uniform heat-insulation and structure integrated plate from the periphery to the middle on the inner side of the die, selecting a qualified composite aerogel uniform heat-insulation and structure integrated plate according to design requirements, and cutting the composite aerogel uniform heat-insulation and structure integrated plate according to drawing dimensions; numbering, pre-assembling, arranging holes or grooves of drawknot members on the composite aerogel uniform heat-insulation and structure integrated plate according to a design drawing, paving the processed composite aerogel uniform heat-insulation and structure integrated plate from the periphery to the middle according to the numbering in the layout drawing, and filling gaps of joints of the composite aerogel uniform heat-insulation and structure integrated plate with a polyurethane foaming agent;
(3) After the mold is checked to be paved qualified, the inner leaf steel reinforcement framework is put into the mold, and after the mold is checked to be paved qualified, the inner leaf steel reinforcement framework is put into the mold;
(4) After the embedded anchor assembly is installed in the mould, pouring inner blade concrete into the mould, installing the embedded anchor assembly in the mould, pouring a first layer of concrete from one end of the mould to the other end, pouring a second layer of concrete again in the same direction, and trowelling the pouring surface after the pouring is finished;
(5) Demoulding after curing the concrete, placing the prefabricated part in a curing chamber with the humidity of 36% for steam curing for 6 hours, taking out the prefabricated part, and then placing the prefabricated part at normal temperature;
(6) And after the concrete reaches 100% strength, removing the mould of the prefabricated part.
In the embodiment, the invention relates to 2 parts, namely a prefabricated shear wall part and a composite aerogel homogeneous heat insulation and structure integrated plate part. The composite aerogel homogeneous heat insulation and structure integrated plate is connected with the shear wall through the connecting embedded anchor assembly 4, and the protective layer 3 can be painted by adopting different materials at a factory or on-site secondary plastering according to actual requirements so as to achieve different effects.
The specific process flow is as follows:
mould table cleaning, mould assembling, composite aerogel homogeneous heat preservation and structure integrated plate mould entering laying, inner leaf plate reinforcement cage mould entering, protective layer cushion block placing, pre-buried anchor assembly installing, inner leaf plate concrete pouring, pouring surface treatment, prefabricated component covering, steam curing, demoulding and lifting.
(1) Die table cleaning
The welding slag or weld scar of the die table surface is polished and leveled by using a grinding wheel cloth grinding disc on an angle grinder, if concrete residues exist on the die table surface, the residual massive concrete is removed by using a steel shovel firstly, and then the rest residual concrete is removed by using a steel wire wheel on the angle grinder;
(2) Mold assembly
The single dies should be assembled according to the assembly sequence, and the outer die is assembled first and then the inner die is assembled. Checking the sleeve, the reserved ribs, the wall penetrating holes (hanging frame holes) and other positions of each side mold according to a drawing, ensuring that the mold is assembled correctly, and blocking the positions of the reserved stirrups on the opposite sides by adopting a foam rod or a special card to block the reserved rib extending holes so as to prevent slurry leakage;
(3) Composite aerogel homogeneous heat preservation and structure integrated plate in-mold paving
Selecting qualified composite aerogel uniform heat-insulation and structure integrated plates according to design requirements, cutting the composite aerogel uniform heat-insulation and structure integrated plates according to drawing sizes, numbering, ensuring that cut is smooth, ensuring that the size is accurate, pre-assembling, opening holes or grooves of drawknot pieces on the composite aerogel uniform heat-insulation and structure integrated plates according to design drawings by using special tools, sequentially installing the processed composite aerogel uniform heat-insulation and structure integrated plates according to the numbering in the layout drawings, paving the composite aerogel uniform heat-insulation and structure integrated plates from the periphery to the middle, and filling gaps of joints of the composite aerogel uniform heat-insulation and structure integrated plates in a polyurethane foaming mode;
(4) Inner leaf plate reinforcement cage mold
After the laying of the composite aerogel homogeneous heat preservation and structure integrated plate is completed and the composite aerogel homogeneous heat preservation and structure integrated plate is inspected to be qualified, the composite aerogel homogeneous heat preservation and structure integrated plate is placed into an inner leaf plate steel bar framework;
(5) Cushion block for placing protective layer
The thickness of the protective layer between the inner leaf plate reinforcement cage and the composite aerogel homogeneous heat preservation and structure integrated plate is well controlled according to design requirements, the number of cushion blocks is generally not less than 9 in the range of per square meter, and the thickness of the protective layer is not less than 15mm;
(6) Installing pre-buried anchor assembly
Before the embedded anchor assembly is installed, the type, variety, specification, quantity and the like are checked, the embedded anchor assembly installed on the side die is fixed on the side die by bolts, and the embedded anchor assembly on the molding surface of the prefabricated part is fixedly installed by adopting a fixture picking frame;
(7) Inner blade plate concrete pouring
When the inner blade plate concrete pouring is carried out, the concrete discharging is carried out uniformly and continuously, the pouring is carried out from one end of the die to the other end, the concrete pouring height is not more than 600mm, when the layered pouring is needed, if the secondary layer concrete is poured in a vibrating rod vibrating mode, the front end of the vibrating rod is inserted into the previous layer of concrete, and the depth of the surface of the inserted previous layer is 20-50 mm. The vibrating rod is tightly prevented from touching the composite aerogel homogeneous heat insulation and structure integrated plate, the drawknot and the embedded anchoring assembly;
(8) Casting surface treatment
After casting is completed, processing a casting surface according to the drawing requirements;
(9) Steam curing
And (3) carrying out steam curing on the prefabricated part, wherein the curing humidity is 36%, the curing time is preferably 6h, the highest temperature of steam curing is not more than 60 ℃, and the temperature-raising and temperature-lowering stages are controlled to control the temperature-lowering rate not to be more than 20 ℃/h. When the prefabricated part is demolded, the difference between the surface temperature and the ambient temperature should not exceed 25 ℃;
(10) Demolding crane
Before the die is removed, a concrete compressive strength test under the same condition is required, the compressive strength of the test block meets the design requirement and is not suitable for being less than 15MPa, and the prefabricated part can be demolded;
the assembled concrete composite heat-insulating board is a prefabricated board with heat-insulating function and function of removing form, which is formed by taking an aerogel homogeneous heat-insulating board as a core material and compounding a surface layer formed by polymer mortar and glass fiber mesh on the outer side, wherein the density of the surface of the composite heat-insulating board is less than or equal to 200kg/m 2 The impact strength is more than or equal to 10.0J, the wind pressure resistance value/KPa is not less than the wind load design value of engineering projects, the single-point hanging 1000 (N/24 h) 1000N standing 24h board has no damage, the thermal resistance (m) 2 K/W) is more than or equal to 2.0, the fire resistance limit/h is more than or equal to 1, the air sound insulation quantity/dB is more than or equal to 45, the water content/% -is less than or equal to 5, the softening coefficient is more than or equal to 0.80, the drying shrinkage value (mm/m) is less than or equal to 0.4, and the freezing resistance is high: the surface of the frozen processed state is free from pulverization, peeling and cracking for 30 times,Delamination and the like, the mass loss rate is less than or equal to 2.0, and the strength loss rate is less than or equal to 20.
The foregoing description of the preferred embodiment of the invention is merely illustrative of the invention and is not intended to be limiting. It will be appreciated by persons skilled in the art that many variations, modifications, and even equivalents may be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides an assembled concrete composite insulation board, its characterized in that includes prefabricated wall body, compound aerogel homogeneity heated board, anchor subassembly, inoxidizing coating, compound aerogel homogeneity heated board inboard with the outside in close contact with of prefabricated wall body, compound aerogel homogeneity heated board is located the outside of prefabricated wall body, the inoxidizing coating is located compound aerogel homogeneity heated board outside.
2. The fabricated concrete composite insulation panel of claim 1, wherein said protective layer comprises a finishing cement and a facing layer, said finishing cement being disposed between said facing layer and said composite aerogel homogeneous insulation panel.
3. The fabricated concrete composite insulation board of claim 1, wherein the prefabricated wall body comprises a prefabricated shear wall outer wall and a prefabricated cladding, and the composite aerogel homogeneous insulation board comprises an inner interface agent layer, an aerogel homogeneous insulation board, a reinforcing tie, an outer interface agent layer, a stress balance layer, a two-way reinforcing tie and a bonding mortar layer from inside to outside in sequence.
4. The assembled concrete composite insulation board as claimed in claim 3, wherein the one reinforcing element is a groove grid with a cross section dimension of 6mm x 6mm formed above the aerogel homogeneous insulation board, a grid spacing of 20cm x 20cm, a stress balance layer slurry is filled in the groove grid, the two reinforcing elements are groove grids with a cross section dimension of 6mm x 6mm formed above the aerogel homogeneous insulation board, a grid spacing of 20cm x 20cm is filled in the groove grid, and the stress balance layer slurry is filled in the groove grid.
5. A fabricated concrete composite insulation panel according to claim 3, wherein said aerogel homogeneous insulation panel is no less than 30mm.
6. A method for preparing the fabricated concrete composite insulation board according to any one of claims 1 to 5, comprising the steps of:
s1, assembling a die of an assembled concrete composite heat-insulating plate on a die table;
s2, paving a composite aerogel homogeneous insulation board from the periphery to the middle on the inner side of the die;
s3, after the mold is checked to be paved qualified, an inner leaf plate reinforcement cage is put into the mold;
s4, a protective layer cushion block is placed between the inner leaf plate reinforcement cage and the composite aerogel homogeneous insulation board;
s5, after the embedded anchor assembly is installed in the mold, pouring inner blade concrete into the mold;
s6, demoulding after curing the concrete.
7. The method for preparing the assembled concrete composite insulation board according to claim 6, wherein in the step S1, when the assembled concrete composite insulation board is assembled in a die on a die table, the method is characterized in that the method comprises the steps of removing residues, welding slag and weld marks of large concrete on the die table, paving the assembled concrete composite insulation board die on the die table, assembling an outer die, and assembling an inner die.
8. The method for preparing the assembled concrete composite insulation board according to claim 6, wherein in the step S2, a proper composite aerogel homogeneous insulation and structure integrated board is selected according to requirements, the composite aerogel homogeneous insulation board is cut according to the drawing size and numbered, pre-assembled, holes or grooves of drawknot members are formed in the composite aerogel homogeneous insulation board according to a design drawing, and the processed composite aerogel homogeneous insulation board is paved from the periphery to the middle according to the number in the layout drawing.
9. The method for preparing the assembled concrete composite insulation board according to claim 8, wherein the gaps of the joints of the composite aerogel homogeneous insulation board are filled with polyurethane foaming agent when the processed composite aerogel homogeneous insulation board is paved from the periphery to the middle according to the number in the layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310449902.2A CN116641507A (en) | 2023-04-23 | 2023-04-23 | Assembled concrete composite insulation board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310449902.2A CN116641507A (en) | 2023-04-23 | 2023-04-23 | Assembled concrete composite insulation board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116641507A true CN116641507A (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310449902.2A Pending CN116641507A (en) | 2023-04-23 | 2023-04-23 | Assembled concrete composite insulation board and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116641507A (en) |
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2023
- 2023-04-23 CN CN202310449902.2A patent/CN116641507A/en active Pending
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