CN107217758B - Fully-prefabricated load-bearing light steel assembly type composite wallboard and manufacturing method thereof - Google Patents
Fully-prefabricated load-bearing light steel assembly type composite wallboard and manufacturing method thereof Download PDFInfo
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- CN107217758B CN107217758B CN201710628428.4A CN201710628428A CN107217758B CN 107217758 B CN107217758 B CN 107217758B CN 201710628428 A CN201710628428 A CN 201710628428A CN 107217758 B CN107217758 B CN 107217758B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 115
- 239000010959 steel Substances 0.000 title claims abstract description 115
- 239000002131 composite material Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000007704 transition Effects 0.000 claims abstract description 28
- 238000010079 rubber tapping Methods 0.000 claims abstract description 27
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 210000002105 tongue Anatomy 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 238000009417 prefabrication Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
- E04B2/7448—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts with separate framed panels without intermediary posts, extending from floor to ceiling
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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
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
- E04B2/825—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building the connection between the floor and the ceiling being achieved without any restraining forces acting in the plane of the partition
-
- 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
-
- 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
- E04C2/38—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 with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—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 with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2002/7488—Details of wiring
-
- 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
- E04C2002/001—Mechanical features of panels
- E04C2002/004—Panels with profiled edges, e.g. stepped, serrated
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Abstract
The invention discloses a fully-prefabricated load-bearing light steel assembly type composite wallboard and a manufacturing method thereof, wherein the wallboard comprises a light steel composite wallboard, a transition patch board, an upper U-shaped guide rail, a lower U-shaped guide rail, a diagonal steel belt, an anti-pulling connecting piece and a fixed steel belt; the light steel composite wallboard is fixedly connected with a lower U-shaped guide rail fixed on the floor and an upper U-shaped guide rail on a floor beam through a rabbet, and the anti-pulling connecting piece is connected and fixed between two adjacent standard light steel composite wallboards through a self-tapping screw; the light steel composite wallboards are fixedly connected with each other by adopting a fixed steel belt through two rows of self-tapping screws along the tongue-and-groove of the two light steel composite wallboards respectively; the transition patch board is limited in the upper U-shaped guide rail and the lower U-shaped guide rail through the rabbet. The invention improves the integral stability and lateral rigidity resistance of the wall body, improves the installation precision and the structural integrity of the wall body, and enhances the shearing resistance of the wall board and the pulling resistance between the wall board and the floor.
Description
Technical Field
The invention relates to the technical field of building structure engineering, in particular to a fully-prefabricated load-bearing light steel assembly type composite wallboard and a manufacturing method thereof.
Background
The steel structure building has the characteristics of environmental protection, good earthquake resistance, high construction speed, recyclable materials and the like. The cold-formed thin-walled steel can economically obtain more reasonable section shape, and then obtain satisfactory strength-to-weight ratio, therefore, in the steel structure building, the reasonable use of the cold-formed thin-walled steel can obviously reduce the steel consumption, and the adoption of the cold-formed thin-walled steel building has important significance for saving resources and energy, reducing environmental pollution and promoting social sustainable development.
The method for manufacturing the cold-formed thin-wall section steel combined wall in the existing cold-formed thin-wall building technology comprises the following steps: the structure framework is characterized in that the middle of the sealing plates on two sides of the structure framework is filled with rock wool or glass wool; secondly, a single-face sealing plate of a structural framework frame is formed, light heat-insulating mortar is sprayed on a construction site machine, or a double-face sealing plate of the structural framework is formed, and a solid wall of the light heat-insulating mortar is poured on the construction site; thirdly, a single-side sealing plate of the structural framework is manufactured by spraying foamed polyurethane on a construction site. Fiber heat-insulating materials such as rock wool and glass wool are easy to contact with human respiratory tracts or skins in the construction process and are possibly harmful to human health, and the on-site spraying or pouring of the light heat-insulating mortar in the cavity of the combined wall structure can not only cause a large amount of wet operation in the construction site, but also slow down the construction progress of the wall structure, and the method of spraying the foamed polyurethane causes a large amount of pollution to the environment and is harmful to the bodies of operators. Although cold-formed thin-walled steel fabricated combined walls are reported sporadically in China, the degree of assembly of most walls at present still stays on the level of members, certain differences exist among modular design, modular production, modular transportation and modular installation of integral wallboards, and particularly, the thermal insulation performance, the vertical bearing capacity, the horizontal shearing resistance and the vertical connection reliability of the walls and floors are also very insufficient.
Disclosure of Invention
The invention aims to solve the defects and provides a fully-prefabricated load-bearing light steel assembly type composite wallboard and a manufacturing method thereof.
In order to achieve the purpose, the technical solution of the invention is as follows: a fully prefabricated load-bearing light steel assembly type composite wallboard comprises a light steel composite wallboard, a transition patch board, an upper U-shaped guide rail, a lower U-shaped guide rail, a diagonal steel belt, an anti-pulling connecting piece and a fixed steel belt; the light steel composite wallboard is a prefabricated light polymer aggregate concrete wallboard with a square structure and a standard structure, wherein the interior of the prefabricated light polymer aggregate concrete wallboard is provided with a C-shaped light steel frame, raised grooves are formed in the upper side, the lower side, the left side and the right side of the light steel composite wallboard, and the C-shaped light steel frame is arranged in the grooves; the light steel composite wallboard is fixedly connected with a lower U-shaped guide rail fixed on the floor surface and an upper U-shaped guide rail on a floor beam through a rabbet, the anti-pulling connecting piece is connected and fixed between two adjacent standard light steel composite wallboards through self-tapping screws, two vertical rows of nail holes are arranged at the fixing position of the anti-pulling connecting piece and the light steel composite wallboard, each row of nail holes are respectively corresponding to the rabbet of one standard light steel composite wallboard, and the anti-pulling connecting piece is fixed with the floor surface by adopting chemical bolts; the light steel composite wallboards are fixedly connected with each other by adopting a fixed steel belt through two rows of self-tapping screws along the tongue-and-groove of the two light steel composite wallboards respectively; the transition patch board is a precast slab poured by concrete, is fixed between standard light steel composite wallboards and is used for compensating width allowance, and is provided with a pipeline distribution slot and a fixed switch socket slot; the transition patch board is limited in the upper U-shaped guide rail and the lower U-shaped guide rail through the rabbet, and two sides of the transition patch board are provided with a diagonal steel belt in the cross direction and fixedly connected with the upper U-shaped guide rail and the lower U-shaped guide rail through self-tapping screws; the upper U-shaped guide rail and the lower U-shaped guide rail are fixed with all the grooves and tongues therein through self-tapping screws; all the connecting seams are filled with heat-insulating mortar and are adhered with glass fiber mesh cloth to form a unified whole body among the wall boards.
Furthermore, the fixed steel strip is a galvanized or aluminized zinc steel strip.
The invention provides a method for manufacturing a fully-prefabricated load-bearing light steel assembly type composite wallboard, which comprises the following steps:
And 2, adopting an anti-pulling connecting piece to connect and fix two adjacent standard light steel composite wallboards through self-tapping screws.
And 3, connecting and fixing the adjacent light steel composite wallboards along the tongue-and-groove of the two light steel composite wallboards by adopting steel belts through two rows of self-tapping screws.
And 4, inserting a transition supplementing plate into the upper U-shaped guide rail and the lower U-shaped guide rail at the position where the wiring line slot and the fixed switch socket slot are required to be arranged or the position where the width allowance is required to be compensated.
And 5, fixedly connecting the diagonal steel belt in the cross direction with the upper U-shaped guide rail and the lower U-shaped guide rail by using self-tapping screws at two sides of the transition patch.
And 6, filling all the connecting joints with thermal insulation mortar, adhering glass fiber mesh cloth to form a unified whole between the wallboards, and performing surface treatment on the wall body according to needs.
The invention has the following advantages:
1. the light steel assembled composite wall panel passes through the steel structural framework bearing, and the wall frame post of concatenation department is C shape light gauge steel between two blocks of standard wallboards to it is fixed with steel band entire body connection back to back, improved the overall stability, the anti lateral rigidity of wall body, avoided the wall frame post pressurized unstability of wallboard.
2. The light polymer slurry is filled into the inner cavity of the steel structure framework and wraps the steel structure framework, and has the functions of fire prevention, heat preservation, heat insulation, sound insulation, light steel framework deformation limitation and the like.
3. The floor surface and the floor beam are respectively provided with the upper and lower U-shaped guide rails before the wallboard is installed, and the wallboard is fixed by the self-tapping screws after being inserted into the U-shaped guide rails, so that the installation precision and the structural integrity of the wall body are improved.
4. The wallboard and the floor surface adopt the anti-pulling connecting piece to enhance the shearing resistance of the wallboard and the anti-pulling force between the wallboard and the floor surface.
5. The invention adds the cuttable transition patch board, when the standard wall board can not be used completely due to the limitation of the width of the wall body, the transition patch board can be applied between the standard light steel composite wall boards, and the two sides of the transition patch board are respectively added with a diagonal steel strip which is connected with the upper and lower U-shaped guide rails in the cross direction to fix the transition patch board, thereby not only breaking through the limitation of the width of the wall body, but also increasing the utilization rate of the light steel composite wall board.
6. The prefabricated house has the advantages of simple structure, convenience in installation, capability of saving the construction period and low cost, thereby overcoming the defects of single structure, complex installation process and high labor cost of the existing prefabricated house; meanwhile, the fully-prefabricated light steel composite wallboard has the advantages of light dead weight, less steel consumption, heat preservation, sound insulation, high assembly degree, capability of being quickly and fully prefabricated and assembled for construction, and suitability for low-rise and multi-rise building bearing wall systems.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the light steel composite wall panel of the present invention.
FIG. 3 is a schematic structural diagram of a transition patch of the present invention.
FIG. 4 is a schematic cross-sectional view of the present invention.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a fully prefabricated load-bearing light steel assembly type composite wallboard comprises a light steel composite wallboard 1, a transition patch board 2, an upper U-shaped guide rail 3, a lower U-shaped guide rail 4, a diagonal steel strip 5, an anti-pulling connecting piece 6 and a fixed steel strip 7; the light steel composite wallboard 1 is a prefabricated light polymer aggregate concrete wallboard with a square structure and a standard structure, wherein a C-shaped light steel frame is arranged inside the prefabricated light polymer aggregate concrete wallboard, raised tongue-and-grooves are arranged on the upper side, the lower side, the left side and the right side of the light steel composite wallboard 1, and the C-shaped light steel frame is arranged in the tongue-and-groove; the light steel composite wall board 1 is fixedly connected with a lower U-shaped guide rail 4 fixed on the floor surface and an upper U-shaped guide rail 3 on a floor beam through a rabbet, the anti-pulling connecting piece 6 is fixedly connected between two adjacent standard light steel composite wall boards 1 through a self-tapping screw 8, two vertical rows of nail holes are arranged at the fixing position of the anti-pulling connecting piece 6 and the light steel composite wall board 1, each row of nail holes are respectively corresponding to the rabbet of one standard light steel composite wall board 1, and the anti-pulling connecting piece 6 and the floor surface are fixed by chemical bolts; the light steel composite wall boards 1 are fixedly connected with each other by adopting a fixed steel belt 7 through two rows of self-tapping screws 8 along the tongue-and-groove of the two light steel composite wall boards 1; the transition patch panel 2 is a precast panel poured by concrete, the transition patch panel 2 is fixed between standard light steel composite wallboards 1 and is used for compensating width allowance, and the transition patch panel 2 is provided with a wiring line slot and a fixed switch socket slot; the transition patch 2 is limited in the upper U-shaped guide rail 3 and the lower U-shaped guide rail 4 through the rabbet, and two sides of the transition patch 2 are provided with a diagonal steel strip 5 in the cross direction and fixedly connected with the upper U-shaped guide rail 3 and the lower U-shaped guide rail 4 through self-tapping screws 8; the upper U-shaped guide rail 3 and the lower U-shaped guide rail 4 are fixed with all the grooves and tongues therein through self-tapping screws 8; all the connecting seams are filled with heat-insulating mortar and are adhered with glass fiber mesh cloth to form a unified whole body among the wall boards.
Further, the fixed steel strip 7 is made of a galvanized or aluminum-zinc-plated steel strip.
The invention provides a method for manufacturing a fully-prefabricated load-bearing light steel assembly type composite wallboard, which comprises the following steps:
And 2, adopting an anti-pulling connecting piece 6 to connect and fix two adjacent standard light steel composite wallboards 1 through self-tapping screws 8.
And step 3, connecting and fixing the adjacent light steel composite wall boards 1 along the tongue-and-groove of the two light steel composite wall boards 1 by adopting a fixed steel belt 7 through two rows of self-tapping screws 8.
And 4, inserting the transition supplementing plate 2 into the upper U-shaped guide rail 3 and the lower U-shaped guide rail 4 at the position where the wiring line slot and the fixed switch socket slot are required to be arranged or the position where the width allowance is required to be compensated.
And 5, fixedly connecting a diagonal steel strip in the cross direction with the upper U-shaped guide rail 3 and the lower U-shaped guide rail 4 by using self-tapping screws at two sides of the transition patch 2.
And 6, filling all the connecting joints with heat-insulating mortar, adhering glass fiber mesh cloth to form a unified whole between the wall boards, and performing surface treatment on the wall body according to the requirement.
Claims (2)
1. The utility model provides a but, light steel assembled composite wall panel of full prefabrication bearing which characterized in that: the device comprises a light steel composite wallboard, a transition patch board, an upper U-shaped guide rail, a lower U-shaped guide rail, a diagonal steel belt, an anti-pulling connecting piece and a fixed steel belt; the light steel composite wallboard is a prefabricated light polymer aggregate concrete wallboard which is of a square structure and has a standard structure and a C-shaped light steel frame inside, raised tongue-and-grooves are arranged on the upper side, the lower side, the left side and the right side of the light steel composite wallboard, and the C-shaped light steel frame is arranged in the tongue-and-groove; the light steel composite wallboard is fixedly connected with a lower U-shaped guide rail fixed on the floor surface and an upper U-shaped guide rail on a floor beam through a rabbet, the anti-pulling connecting piece is connected and fixed between two adjacent standard light steel composite wallboards through self-tapping screws, two vertical rows of nail holes are arranged at the fixing position of the anti-pulling connecting piece and the light steel composite wallboard, each row of nail holes are respectively corresponding to the rabbet of one standard light steel composite wallboard, and the anti-pulling connecting piece is fixed with the floor surface by adopting chemical bolts; the light steel composite wallboards are fixedly connected with each other by adopting a fixed steel belt through two rows of self-tapping screws along the tongue-and-groove of the two light steel composite wallboards; the transition patch board is a precast slab poured by concrete, and is fixed between standard light steel composite wallboards for compensating width allowance; the transition patch board is limited in the upper U-shaped guide rail and the lower U-shaped guide rail through the rabbet, and two sides of the transition patch board are provided with a diagonal steel belt in the cross direction and fixedly connected with the upper U-shaped guide rail and the lower U-shaped guide rail through self-tapping screws; the upper U-shaped guide rail and the lower U-shaped guide rail are fixed with all the grooves and tongues therein through self-tapping screws; all the connecting seams are filled with heat-insulating mortar and are adhered with glass fiber mesh cloth to form a unified whole body among the wall boards; the wall frame column of the wall board is prevented from being unstably pressed;
the fixed steel strip is made of a galvanized or aluminized zinc steel strip; the transition patch panel is provided with a wiring line slot and a fixed switch socket slot.
2. The method for manufacturing the fully prefabricated load-bearing light steel assembly type composite wall panel according to claim 1, is characterized by comprising the following steps:
step 1, mounting a lower U-shaped guide rail on the floor of a standard floor, mounting an upper U-shaped guide rail on a floor beam, inserting tongue-and-groove of a light steel composite wallboard into the upper U-shaped guide rail and the lower U-shaped guide rail, and fixing the light steel composite wallboard through self-tapping screws;
step 2, adopting an anti-pulling connecting piece to connect and fix two adjacent standard light steel composite wallboards through self-tapping screws;
step 3, connecting and fixing the adjacent light steel composite wallboards along the tongue-and-groove of the two light steel composite wallboards by adopting steel belts through two rows of self-tapping screws respectively;
step 4, inserting transition compensation plates into the upper U-shaped guide rail and the lower U-shaped guide rail at the positions where the wiring line slot and the fixed switch socket slot are required to be arranged or the positions where the width allowance is required to be compensated;
step 5, fixedly connecting a diagonal steel strip in the cross direction with an upper U-shaped guide rail and a lower U-shaped guide rail by using self-tapping screws at two sides of the transition patch;
and 6, filling all the connecting joints with heat-insulating mortar, adhering glass fiber mesh cloth to form a unified whole between the wall boards, and performing surface treatment on the wall body according to the requirement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628428.4A CN107217758B (en) | 2017-07-28 | 2017-07-28 | Fully-prefabricated load-bearing light steel assembly type composite wallboard and manufacturing method thereof |
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| CN201710628428.4A CN107217758B (en) | 2017-07-28 | 2017-07-28 | Fully-prefabricated load-bearing light steel assembly type composite wallboard and manufacturing method thereof |
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| CN107217758B true CN107217758B (en) | 2022-09-20 |
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| CN110924544A (en) * | 2019-11-09 | 2020-03-27 | 北京杰信越发制冷设备安装工程有限公司 | Heat insulation structure for assembled refrigerator and installation method thereof |
| CN111305456A (en) * | 2020-03-30 | 2020-06-19 | 四川华远建设工程有限公司 | Assembled wall and construction process thereof |
| CN111502108A (en) * | 2020-04-28 | 2020-08-07 | 贵州大学 | Cold-formed thin-wall C-shaped steel edge-wrapped phosphogypsum module infilled wall and manufacturing method thereof |
| CN112942636A (en) * | 2021-02-06 | 2021-06-11 | 重庆市臻成建材有限公司 | Wall installation method capable of realizing rapid construction |
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| CN201495658U (en) * | 2009-06-29 | 2010-06-02 | 杭州泰欣实业有限公司 | Joist connecting mechanism of composite wall panel |
| CN102477770A (en) * | 2010-11-25 | 2012-05-30 | 欧文斯科宁知识产权资产有限公司 | Structural member for concrete slabs and construction method for pouring concrete slabs |
| CN106149966A (en) * | 2016-08-29 | 2016-11-23 | 齐齐哈尔维思科技有限公司 | A kind of multi-layer combined skeleton sandwich layer self-insulating external wall panel |
| CN206337726U (en) * | 2016-12-29 | 2017-07-18 | 山西中技金谷新型建材有限公司 | A kind of prefabricated assembled lightweight steel construction wallboard |
| CN106639129A (en) * | 2017-01-16 | 2017-05-10 | 南京声远声学科技有限公司 | Wood composite wallboard, and high-sound-isolation prefabrication method and assembly method thereof |
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