CN116927374B - Structure heat preservation integrated prefabricated outer wall and manufacturing method - Google Patents
Structure heat preservation integrated prefabricated outer wall and manufacturing method Download PDFInfo
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- CN116927374B CN116927374B CN202311206989.7A CN202311206989A CN116927374B CN 116927374 B CN116927374 B CN 116927374B CN 202311206989 A CN202311206989 A CN 202311206989A CN 116927374 B CN116927374 B CN 116927374B
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- 238000004321 preservation Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 84
- 238000009413 insulation Methods 0.000 claims abstract description 45
- 239000003365 glass fiber Substances 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims description 66
- 239000004567 concrete Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000011433 polymer cement mortar Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 239000002346 layers by function Substances 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
-
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/04—Mats
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a structure heat-preservation integrated prefabricated outer wall and a manufacturing method thereof, and belongs to the technical field of prefabricated heat-preservation outer walls. The inside of the structural layer is provided with a cavity box, one side surface of the structural layer is connected with a plurality of connecting bands, and an insulation board is arranged between every two adjacent connecting bands; the heat-insulating plate is attached to the structural layer and the connecting belt, and one side of the connecting belt far away from the structural layer exceeds the heat-insulating plate; a protective layer is arranged on one side of the heat insulation plate and the connecting belt far away from the structural layer; the protective layer comprises glass fiber gridding cloth, and the glass fiber gridding cloth is connected with one side of the connecting belt far away from the structural layer. The invention breaks through the point type connecting mechanism of the connecting piece, forms a continuous and distributed type connecting mechanism of a strip shape, is reliably connected with the structural layer reinforcing steel bars and the glass fiber grid cloth, fully ensures the connection integrity of each functional layer and realizes the integration of structural heat preservation; the PVC material is convenient to manufacture, excellent in mechanical property, durability and thermal property, low in cost, strong in customization and obvious in technical economy.
Description
Technical Field
The invention relates to the technical field of prefabricated heat-insulating outer walls, in particular to a structure heat-insulating integrated prefabricated outer wall and a manufacturing method thereof.
Background
At present, carbon reduction in the building industry becomes an important development direction, and near-zero energy consumption and passive building become important break-through. The effect of the building exterior wall part with excellent thermal performance is particularly important in realizing low energy consumption and even zero energy consumption of the whole building. Meanwhile, the precast concrete technology is used as an important development path of building industrialization, and the heat-insulating outer wall of the building and the precast concrete technology are highly fused, so that the high-quality development of the building industry can be promoted.
The current prefabricated heat-insulating outer wall is usually in a sandwich structure with outer heat insulation, namely, is formed by overlapping a structural layer, a heat-insulating layer and a protective layer. The structural layer generally adopts a solid wall body, and the defect is that:
the solid wall body is heavier, leads to the site installation construction degree of difficulty higher, and because concrete thermal performance is relatively poor, has influenced the energy-conserving efficiency of whole wallboard.
Meanwhile, in order to prevent the insulation layer and the protection layer from falling off, a connecting piece is generally adopted for connection. The current connecting piece product mainly has FRP connecting piece and metal connecting piece, and its advantage and disadvantage lie in:
the former has better thermal performance but weaker connection performance;
the latter has higher wall connection strength, but higher heat transfer coefficient;
in addition, the existing connecting pieces all belong to 'point type' connection, the integrity of connection is poor, and when the energy-saving requirement of the building is improved, the problem of weak connection performance is more remarkable. Therefore, the prefabricated outer wall adopted in the current engineering has higher hoisting requirement and lower safety level, and the problem that the protective layer or the heat insulation layer is easily damaged locally or falls off wholly seriously affects the safety application of the prefabricated heat insulation outer wall, and further hinders the healthy development of the technology.
Disclosure of Invention
In order to solve the technical problems, the invention provides a structure heat-preservation integrated prefabricated outer wall and a manufacturing method.
The invention is based on a high-efficiency external heat-preservation sandwich structure, and forms an inner frame type wallboard with excellent performance and lighter weight by exploring a novel wall structure and a forming process, breaks through a connecting piece point type connecting mechanism and forms a strip-shaped continuous distributed connecting mechanism.
The invention is realized by the following technical scheme: a prefabricated outer wall with an integrated structure and heat preservation,
the structure comprises a structure layer, wherein a cavity box is arranged in the structure layer;
a plurality of connecting belts are connected to one side surface of the structural layer, and an insulation board is arranged between every two adjacent connecting belts; the heat-insulating plate is attached to the structural layer and the connecting belt, and one side of the connecting belt, which is far away from the structural layer, exceeds the heat-insulating plate;
a protective layer is arranged on one side of the heat insulation plate and the connecting belt far away from the structural layer; the protective layer comprises glass fiber gridding cloth, and the glass fiber gridding cloth is connected with one side of the connecting belt far away from the structural layer.
It is further: the structure layer comprises an inner frame reinforcement cage, a gap is formed in the inner frame reinforcement cage, and the cavity box is placed in the gap; the two sides of the inner frame reinforcement cage are respectively connected with reinforcement meshes, and concrete is poured in the reinforcement meshes and the inner frame reinforcement cage.
The inner frame reinforcement cage comprises steel skeleton columns and steel skeleton beams which are connected in a crisscross manner, and the cavity box is arranged in a square gap between the steel skeleton columns and the steel skeleton beams; the steel skeleton column and the steel skeleton beam are square or rectangular hollow columns formed by connecting longitudinal bars and stirrups.
The connecting belt comprises crisscross L-shaped connecting belts and inverted T-shaped connecting belts which are connected to the structural layer, the L-shaped connecting belts and the inverted T-shaped connecting belts integrally form a grid-shaped structure, and the heat insulation board is arranged in grid gaps between the L-shaped connecting belts and the inverted T-shaped connecting belts.
The L-shaped connecting belt is connected to the edge of the structural layer, and the inverted T-shaped connecting belt is connected to the inside of the structural layer;
a row of round holes with necking openings are formed in one side, close to the structural layer, of the L-shaped connecting belt and the inverted T-shaped connecting belt, and outer reinforcing steel bars in the structural layer are clamped in the round holes with necking openings;
a row of water drop holes with necking are formed in one side, close to the glass fiber mesh cloth, of the L-shaped connecting belt and the inverted T-shaped connecting belt, and the glass fiber mesh cloth is clamped in the water drop holes with necking.
The protective layer also comprises a polymer cement mortar layer which is poured on the heat insulation plate, the connecting belt and the glass fiber grid cloth.
A manufacturing method of a prefabricated outer wall with an integrated structure and heat preservation comprises the following steps:
step one, binding an inner frame reinforcement cage of a structural layer and a reinforcement mesh at the lower side, wherein the inner frame reinforcement cage is connected to the reinforcement mesh at the lower side, and a gap is formed in the inner frame reinforcement cage;
pouring a layer of concrete to the bottom of the structural layer;
placing a cavity box in a gap inside the inner frame reinforcement cage before initial setting of the concrete at the bottom, and connecting another reinforcement mesh on the upper side of the inner frame reinforcement cage;
installing an L-shaped connecting belt and an inverted T-shaped connecting belt, wherein circular holes with shrinkage openings at the bottoms of the L-shaped connecting belt and the inverted T-shaped connecting belt are clamped into outer side steel bars on the upper side surface of the structural layer;
pouring concrete into the structural layer again, wherein the concrete is poured onto the upper surface of the structural layer;
step six, placing an insulation board between the L-shaped connecting belt and the inverted T-shaped connecting belt before initial setting of the concrete at the upper part, wherein the side edges of the L-shaped connecting belt and the inverted T-shaped connecting belt are higher than the insulation board;
laying glass fiber mesh cloth on the heat-insulating plate, and embedding the glass fiber mesh cloth into water drop holes with necking at the tops of the L-shaped connecting belt and the inverted T-shaped connecting belt;
and eighth, casting a protective layer on the heat insulation plate, the glass fiber mesh cloth, the L-shaped connecting belt and the inverted T-shaped connecting belt, and curing and molding.
It is further: the cavity box, the L-shaped connecting belt and the inverted T-shaped connecting belt are made of PVC materials.
Compared with the prior art, the invention has the beneficial effects that:
1) The inner frame reinforcement cage forms an invisible frame type reinforcement cage, and the inner frame type wallboard can improve the integral bearing capacity of the wallboard;
2) The PVC cavity box can reduce the weight of the wall body, reduce the concrete consumption, and further improve the heat insulation performance of the wallboard;
3) The PVC connecting band material has higher tensile strength, is continuously distributed around the prefabricated outer wall and between the heat insulation plates in a band shape, is reliably connected with the structural layer steel bars and the glass fiber grid cloth, fully ensures the connection integrity of all functional layers, and realizes the integration of structural heat insulation;
4) The PVC connecting band material has excellent durability and thermal performance and low cost, can ensure the overall thermal performance and durability of the prefabricated outer wall, and improves the market competitiveness of the product;
5) The size and the structure of the PVC cavity box, the height of the PVC connecting belt and the openings at the top and the bottom of the PVC cavity box can be flexibly adjusted and opened according to the structural layer steel bar design and the specification of the glass fiber grid cloth, so that the application convenience is improved;
6) The protective layer adopts high-performance polymer cement mortar, so that the cracking resistance of the protective layer is improved, and the drawknot performance of the protective layer and the PVC connecting belt is further ensured;
7) The structure heat preservation integrated prefabricated outer wall is manufactured by adopting a forward forging process, the manufacturing flow is simple, and the quality is easy to control.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall construction of the present invention.
Fig. 2 is a schematic view of the structure of the structural layer of the present invention.
Fig. 3 is a schematic view of the installation of the cavity box of the present invention.
Fig. 4 is a schematic installation view of the insulation board of the present invention.
Fig. 5 is a schematic view of the structure of the L-shaped connecting band of the present invention.
Fig. 6 is a schematic view of the construction of an inverted T-shaped connecting strap of the present invention.
Fig. 7 is a schematic diagram of a connection structure of the L-shaped connecting belt, the inner frame reinforcement cage, the reinforcement mesh and the glass fiber mesh cloth according to the present invention.
Fig. 8 is a schematic diagram of the connection structure of the inverted T-shaped connection belt, the inner frame reinforcement cage, the reinforcement mesh and the glass fiber mesh cloth according to the present invention.
In the figure: 2. an L-shaped connecting belt; 3. an inverted T-shaped connecting strap; 4. a structural layer; 41. an inner frame reinforcement cage; 411. longitudinal ribs; 412. stirrups; 413. a steel skeleton column; 414. a steel skeleton beam; 42. a cavity box; 43. reinforcing steel bar meshes; 44. concrete; 5. a thermal insulation board; 6. a protective layer; 7. glass fiber mesh cloth; 8. a round hole with a necking; 9. water drop holes with necking; 10. and (5) outer steel bars.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
And in combination with the illustration of fig. 1, the prefabricated outer wall of structural insulation integration comprises a structural layer 4, an insulation layer and a protection layer 6 which are sequentially attached, wherein a connecting belt is connected among the structural layer 4, the insulation layer and the protection layer 6 and used for fixing the insulation layer and the protection layer 6 on the structural layer 4.
As shown in connection with fig. 1 to 3, the structural layer 4 includes an inner frame reinforcement cage 41, a cavity box 42, reinforcement meshes 43 on the upper and lower sides, and concrete 44. Two reinforcing mesh sheets 43 are respectively connected to the upper and lower sides of the inner frame reinforcement cage 41. The inner frame reinforcement cage 41 comprises reinforcement cage columns 413 and reinforcement cage beams 414 which are connected in a crisscross manner, and the reinforcement cage columns 413 and the reinforcement cage beams 414 are square or rectangular hollow columns formed by connecting longitudinal ribs 411 and stirrups 412. Square gaps are formed between the steel skeleton columns 413 and the steel skeleton beams 414, hollow cavity boxes 42 made of PVC materials are placed in the square gaps, and the whole steel structure is formed into a structural layer 4 after concrete 44 is poured. The specific dimensions of the cavity box 42 are customized by the arrangement, height and other conditions of the inner frame reinforcement cage 41.
As shown in fig. 1 and 4, the connecting band comprises an L-shaped connecting band 2 made of PVC material and an inverted T-shaped connecting band 3. The L-shaped connecting belt 2 is connected to the edge of the structural layer 4, and the inverted T-shaped connecting belt 3 is connected to the inside of the structural layer 4. The L-shaped connecting belts 2 and the inverted T-shaped connecting belts 3 are connected in a crisscross manner, the upper side face of the structural layer 4 is divided into square structures, and the heat insulation plates 5 are arranged in the square structures, so that the heat insulation layer is formed. The heat insulation board 5 is embedded between the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3, and the material and the thickness of the heat insulation board 5 are determined according to the integral energy-saving requirement of the structure heat insulation integrated prefabricated outer wall.
The L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 are higher than the heat insulation board 5. The glass fiber mesh cloth 7 is paved on the heat insulation board 5, the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3, and after high-performance polymer cement mortar is poured on the heat insulation board 5, the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3, the protective layer 6 is formed.
The lower side of the connecting belt 2 of the figure 5,L is provided with a row of round holes 8 with necking, and the upper side is provided with a row of water drop holes 9 with necking. When the connecting strip is installed, as shown in fig. 1, 4 and 7, the round hole 8 with the shrinkage mouth at the lower side of the L-shaped connecting strip 2 is clamped on the outer reinforcing steel bar 10 in the structural layer 4. Depending on the location of the arrangement, the outer reinforcement 10 may be an inner frame reinforcement cage 41 (longitudinal bars 411, stirrups 412) and/or a reinforcement mesh 43. The water drop holes 9 with the necking on the upper side of the L-shaped connecting belt 2 are clamped on the glass fiber mesh cloth 7, and support and connect the glass fiber mesh cloth 7.
Similarly, as shown in fig. 6, a row of round holes 8 with necking are formed on the lower side edge of the inverted T-shaped connecting belt 3, and a row of water drop holes 9 with necking are formed on the upper side edge. When in installation, as shown in fig. 1, 4 and 8, the round hole 8 with the shrinkage mouth of the inverted T-shaped connecting belt 3 is clamped on the outer reinforcing steel bar 10 in the structural layer 4. Depending on the location of the arrangement, the outer reinforcement 10 may be an inner frame reinforcement cage 41 (longitudinal bars 411, stirrups 412) and/or a reinforcement mesh 43. The water drop holes 9 with the necking of the inverted T-shaped connecting belt 3 are clamped on the glass fiber mesh cloth 7 and support and connect the glass fiber mesh cloth 7.
In the concrete implementation, the sizes and the intervals of the circular holes 8 with the necking on the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 are matched and adjusted according to the diameters and the intervals of the reinforcing steel bars 10 on the outer side of the structural layer, the sizes and the intervals of the water drop holes 9 with the necking on the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 are matched and adjusted according to the diameters and the mesh sizes of glass fibers of the glass fiber mesh 7 cards, and the heights of the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 are determined according to the thickness of the heat insulation board 5 and the thickness of the protective layer 6.
Example two
On the basis of the first embodiment, a method for manufacturing a prefabricated exterior wall with an integrated heat preservation structure comprises the following steps:
step one, binding an inner frame reinforcement cage 41 and a lower reinforcement mesh 43 of a structural layer 4, wherein the inner frame reinforcement cage 41 is connected to the lower reinforcement mesh 43, and square gaps are formed in the inner frame reinforcement cage 41;
pouring a layer of concrete 44 at the bottom of the structural layer 4;
placing a cavity box 42 made of PVC in a square gap inside the inner frame reinforcement cage 41 before initial setting of the bottom concrete 44, and connecting another reinforcement mesh 43 on the upper side of the inner frame reinforcement cage 41;
installing an L-shaped connecting belt 2 made of PVC and an inverted T-shaped connecting belt 3 made of PVC, wherein the L-shaped connecting belt 2 and a round hole 8 with a necking at the bottom of the inverted T-shaped connecting belt 3 are clamped into an outer steel bar 10 on the upper side surface of the structural layer 4;
pouring concrete 44 into the structural layer 4 again, wherein the concrete 44 is poured onto the upper surface of the structural layer 4; the lower side edges of the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 are also poured and connected with the structural layer 4 into a whole;
step six, before the initial setting of the concrete 44 at the upper part, placing a heat insulation board 5,L type connecting belt 2 and an inverted T-shaped connecting belt 3 between the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3, wherein the upper side edges of the inverted T-shaped connecting belt 3 are higher than the heat insulation board 5;
step seven, paving glass fiber mesh cloth 7 on the heat insulation plate 5, and embedding the glass fiber mesh cloth 7 into water drop holes 9 with necking at the tops of the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3;
pouring high-performance polymer cement mortar on the heat insulation plate 5, the glass fiber grid cloth 7, the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 to form a protective layer 6; the L-shaped connecting belt 2 and the inverted T-shaped connecting belt 3 penetrate through the heat insulation plate 5, the upper side edge and the lower side edge respectively penetrate into the structural layer 4 and the protective layer 6, and the structural layer 4 and the protective layer 6 are connected;
and finally, curing and molding.
The embodiment forms an inner frame type wallboard with excellent performance and lighter weight based on an efficient external heat preservation sandwich structure through exploring a novel wall structure and a forming process, breaks through a connecting piece point type connecting mechanism, forms a strip-shaped continuous distributed connecting mechanism, and finally forms a structure heat preservation integrated prefabricated outer wall with low cost, reliable performance and excellent building function. The structure heat-preservation integrated prefabricated outer wall is convenient to manufacture, excellent in mechanical property, durability and thermal performance, low in PVC material cost, strong in customizable and obvious in technical economy.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. A prefabricated outer wall with an integrated structure and heat preservation,
the method is characterized in that:
comprises a structural layer (4), wherein a cavity box (42) is arranged in the structural layer (4);
a plurality of connecting belts are connected to one side surface of the structural layer (4), and an insulation board (5) is arranged between every two adjacent connecting belts; the heat insulation board (5) is attached to the structural layer (4) and the connecting belt, and one side of the connecting belt, which is far away from the structural layer (4), exceeds the heat insulation board (5);
a protective layer (6) is arranged on one side of the heat insulation plate (5) and one side of the connecting belt, which is far away from the structural layer (4); the protective layer (6) comprises glass fiber mesh cloth (7), and the glass fiber mesh cloth (7) is connected with one side of the connecting belt far away from the structural layer (4);
the structural layer (4) comprises an inner frame reinforcement cage (41), a gap is formed in the inner frame reinforcement cage (41), and the cavity box (42) is placed in the gap; two sides of the inner frame reinforcement cage (41) are respectively connected with reinforcement meshes (43), and concrete (44) is poured in the reinforcement meshes (43) and the inner frame reinforcement cage (41);
the connecting belt comprises criss-cross L-shaped connecting belts (2) and inverted T-shaped connecting belts (3) which are connected to a structural layer (4), the L-shaped connecting belts (2) and the inverted T-shaped connecting belts (3) integrally form a grid-shaped structure, and the heat preservation plate (5) is arranged in a grid gap between the L-shaped connecting belts (2) and the inverted T-shaped connecting belts (3);
the L-shaped connecting belt (2) is connected to the edge of the structural layer (4), and the inverted T-shaped connecting belt (3) is connected to the inside of the structural layer (4);
one side of the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3) close to the structural layer (4) is provided with a row of round holes (8) with necking, and outer reinforcing steel bars (10) in the structural layer (4) are clamped in the round holes (8) with necking;
a row of water drop holes (9) with necking are formed in one side, close to the glass fiber mesh cloth (7), of the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3), and the glass fiber mesh cloth (7) is clamped in the water drop holes (9) with necking.
2. The structural insulated integrated prefabricated exterior wall according to claim 1, wherein: the inner frame reinforcement cage (41) comprises reinforcement cage columns (413) and reinforcement cage beams (414) which are connected in a crisscross manner, and the cavity box (42) is arranged in a square gap between the reinforcement cage columns (413) and the reinforcement cage beams (414); the steel reinforcement framework column (413) and the steel reinforcement framework beam (414) are rectangular hollow columns formed by connecting longitudinal ribs (411) and stirrups (412).
3. The structural insulated integrated prefabricated exterior wall according to claim 1, wherein: the protective layer (6) further comprises a polymer cement mortar layer which is poured on the heat insulation board (5), the connecting belt and the glass fiber grid cloth (7).
4. A method for manufacturing a prefabricated external wall with integrated heat preservation structure, which is used for manufacturing the prefabricated external wall with integrated heat preservation structure according to any one of claims 1 to 3, and is characterized by comprising the following steps:
firstly, binding an inner frame reinforcement cage (41) and a lower reinforcement mesh (43) of a structural layer (4), wherein the inner frame reinforcement cage (41) is connected to the lower reinforcement mesh (43), and a gap is formed inside the inner frame reinforcement cage (41);
secondly, pouring a layer of concrete (44) at the bottom of the structural layer (4);
placing a cavity box (42) in a gap inside the inner frame reinforcement cage (41) before initial setting of the concrete (44) at the bottom, and connecting another reinforcement mesh (43) on the upper side of the inner frame reinforcement cage (41);
installing an L-shaped connecting belt (2) and an inverted T-shaped connecting belt (3), wherein circular holes (8) with shrinkage openings at the bottoms of the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3) are clamped into outer side steel bars (10) on the upper side surface of the structural layer (4);
pouring concrete (44) into the structural layer (4) again, wherein the concrete (44) is poured onto the upper surface of the structural layer (4) at this time;
step six, before initial setting of the concrete (44) at the upper part, placing a heat insulation board (5) between the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3), wherein the upper side edges of the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3) are higher than the heat insulation board (5);
laying glass fiber mesh cloth (7) on the heat insulation plate (5), and embedding the glass fiber mesh cloth (7) into water drop holes (9) with necking at the tops of the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3);
and eighth, casting a protective layer (6) on the heat insulation plate (5), the glass fiber mesh cloth (7), the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3), and curing and molding.
5. The method for manufacturing the integrated prefabricated exterior wall with the heat preservation structure, which is disclosed in claim 4, is characterized in that: the cavity box (42), the L-shaped connecting belt (2) and the inverted T-shaped connecting belt (3) are made of PVC materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206989.7A CN116927374B (en) | 2023-09-19 | 2023-09-19 | Structure heat preservation integrated prefabricated outer wall and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311206989.7A CN116927374B (en) | 2023-09-19 | 2023-09-19 | Structure heat preservation integrated prefabricated outer wall and manufacturing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001342612A (en) * | 2000-06-02 | 2001-12-14 | Akimitsu Kurita | Joining device for floor slab and web steel plate |
| CN2721748Y (en) * | 2004-08-12 | 2005-08-31 | 上海拜特钢结构设计有限公司 | Semi-shutup pressing assemlbed floor of steel plate |
| KR20050096884A (en) * | 2005-09-14 | 2005-10-06 | 박창순 | Tunnel precast lining using full or partial embedded composite panels using section steel (I, CT) |
| CN101831986A (en) * | 2010-06-04 | 2010-09-15 | 北京万科企业有限公司 | Precast composite outer insulated wall plate and manufacturing method thereof |
| CN208363367U (en) * | 2018-06-04 | 2019-01-11 | 山西铭坤建材有限公司 | A kind of single side composite heat preserving external wall template of band support |
| CN115217267A (en) * | 2022-07-18 | 2022-10-21 | 河北煦嘉科技有限公司 | Assembled heat preservation wallboard |
| CN217630966U (en) * | 2022-04-26 | 2022-10-21 | 嵊州市丁氏岩棉保温材料有限公司 | Rock wool insulation material board |
-
2023
- 2023-09-19 CN CN202311206989.7A patent/CN116927374B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001342612A (en) * | 2000-06-02 | 2001-12-14 | Akimitsu Kurita | Joining device for floor slab and web steel plate |
| CN2721748Y (en) * | 2004-08-12 | 2005-08-31 | 上海拜特钢结构设计有限公司 | Semi-shutup pressing assemlbed floor of steel plate |
| KR20050096884A (en) * | 2005-09-14 | 2005-10-06 | 박창순 | Tunnel precast lining using full or partial embedded composite panels using section steel (I, CT) |
| CN101831986A (en) * | 2010-06-04 | 2010-09-15 | 北京万科企业有限公司 | Precast composite outer insulated wall plate and manufacturing method thereof |
| CN208363367U (en) * | 2018-06-04 | 2019-01-11 | 山西铭坤建材有限公司 | A kind of single side composite heat preserving external wall template of band support |
| CN217630966U (en) * | 2022-04-26 | 2022-10-21 | 嵊州市丁氏岩棉保温材料有限公司 | Rock wool insulation material board |
| CN115217267A (en) * | 2022-07-18 | 2022-10-21 | 河北煦嘉科技有限公司 | Assembled heat preservation wallboard |
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| CN116927374A (en) | 2023-10-24 |
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