CN113958046A - Cold and hot bridge conversion structure of aluminum plate glass curtain wall and construction method - Google Patents
Cold and hot bridge conversion structure of aluminum plate glass curtain wall and construction method Download PDFInfo
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- CN113958046A CN113958046A CN202111135483.2A CN202111135483A CN113958046A CN 113958046 A CN113958046 A CN 113958046A CN 202111135483 A CN202111135483 A CN 202111135483A CN 113958046 A CN113958046 A CN 113958046A
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000005357 flat glass Substances 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 147
- 239000010959 steel Substances 0.000 claims abstract description 147
- 239000004568 cement Substances 0.000 claims abstract description 30
- 239000011094 fiberboard Substances 0.000 claims abstract description 30
- 239000011490 mineral wool Substances 0.000 claims abstract description 15
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 14
- 238000010079 rubber tapping Methods 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 5
- 238000005034 decoration Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000005246 galvanizing Methods 0.000 claims 2
- 238000010422 painting Methods 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract 5
- 239000004567 concrete Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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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
- 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
- E04B1/7654—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 comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
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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
- 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
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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
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
- E04B2/965—Connections of mullions and transoms
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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
- 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
- E04B2001/7679—Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Bridges Or Land Bridges (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a cold-hot bridge conversion structure of an aluminum plate glass curtain wall and a construction method, wherein vertical C-shaped steel is welded at the bottom side of a lower flange of a main structural steel beam, horizontal C-shaped steel is welded at the bottom of the vertical C-shaped steel, angle steel is welded at two sides of the bottom side of an upper flange and two sides of the top side of the lower flange of the structural steel beam, heat insulation layers formed by heat insulation rock wool boards are paved at two sides and inside the side edges of the angle steel at two sides of a web plate of the main structural steel beam, the heat insulation layers formed by the heat insulation rock wool boards are paved in a space surrounded by the lower flange of the main structural steel beam, the vertical C-shaped steel and the horizontal C-shaped steel, cement fiberboards are paved at two sides of the heat insulation layers, and are fixedly installed on the side edges of the angle steel through self-tapping screws and are fixedly installed on the side edges of the vertical C-shaped steel and the horizontal C-shaped steel. The invention cancels the reinforced concrete lower hanging beam, has convenient construction, can be directly constructed in the floor and has high construction quality.
Description
Technical Field
The invention belongs to the field of curtain wall construction, and particularly relates to a cold and hot bridge conversion structure of an aluminum plate glass curtain wall and a construction method.
Background
In the aluminum plate glass curtain wall system, the joint of the aluminum plate glass curtain wall and the main structure is a position needing important treatment, and the current treatment method is shown in fig. 1: outside the major structure floor, in the aluminum plate, adopt concrete to add masonry structure, promptly, increase the anti-bank of concrete of one at the upside, the anti-bank of concrete adopts the construction of building by laying bricks or stones, increases a reinforced concrete lower beam in the downside, and reinforced concrete lower beam is built along with major structure floor is integrative, then pastes heat preservation rock wool board at the anti-bank of concrete and reinforced concrete lower beam, forms indoor outer divided cold and hot conversion structure. The above method has the following problems:
1) in order to meet the fireproof requirement, the fireproof paint spraying of the main structure steel beam is required to be completed before the construction of the reinforced concrete lower hanging beam, then the assembly of the templates is carried out, the inner template cannot be completely disassembled after the concrete is poured, and part of the templates are exposed outside, so that the secondary cleaning and polishing are required, the construction wastes time and labor, the fireproof paint of the whole steel beam cannot be formed at one time, the quality is affected, the residual templates and other materials are hidden troubles, and a large amount of material waste and labor loss are also caused;
2) the concrete lower hanging beam is of an overhanging structure, and a supporting system and a reinforcing system are additionally arranged in the construction process, so that the engineering cost is increased;
3) the aluminum plate of the arc-shaped outer vertical surface has high requirement on the forming effect of the concrete, and the labor cost and the construction period cost are increased;
4) the heat preservation rock wool board utilizes the hanging flower basket construction when curtain unit begins the construction such as need, has influenced the progress of engineering greatly and has increased equipment cost.
Disclosure of Invention
The invention aims to provide a cold-hot bridge conversion structure of an aluminum plate glass curtain wall and a construction method.
The technical scheme adopted by the invention is as follows:
a cold and hot bridge conversion structure of an aluminum plate glass curtain wall comprises vertical C-shaped steel welded to the bottom side of a lower flange of a main structure steel beam along the line, horizontal C-shaped steel welded to the bottom of the vertical C-shaped steel along the line, and angle steel welded to two sides of the bottom side of an upper flange and two sides of the top side of a lower flange of the structure steel beam along the line, wherein two side edges of the vertical C-shaped steel are aligned with the main structure steel beam; the heat preservation layers formed by heat preservation rock wool boards are fully paved inside the side edges of the angle steels on the two sides of the web plate of the main structure steel beam, the cement fiber boards are paved on the two sides of the heat preservation layers, and the cement fiber boards are fixedly installed on the side edges of the angle steels through self-tapping screws; the heat preservation that has the heat preservation rock wool board to form has been laid to the space that the lower flange of major structure girder steel, vertical C shaped steel, horizontal C shaped steel enclose, has laid the cement fiberboard at the heat preservation both sides, and the cement fiberboard passes through self-tapping screw fixed mounting on the side of vertical C shaped steel and horizontal C shaped steel.
Preferably, the vertical C-shaped steel and the horizontal C-shaped steel are welded in a fillet welding mode, and polishing treatment is completed after welding.
Preferably, the angle steel is hot galvanized angle steel.
The construction method of the cold and hot bridge conversion structure of the aluminum plate glass curtain wall comprises the following steps:
s1, before construction of the aluminum plate glass curtain wall, welding vertical C-shaped steel on the bottom side of a lower flange of a main structure steel beam along a line, aligning two side edges of the vertical C-shaped steel with the main structure steel beam, welding horizontal C-shaped steel on the bottom of the vertical C-shaped steel along the line, enabling an opening of the horizontal C-shaped steel to be upward, aligning the two side edges with the vertical C-shaped steel, and enabling the main structure steel beam, the vertical C-shaped steel and the horizontal C-shaped steel to form a bearing system for cold and hot bridge conversion; angle steel is welded on the two sides of the bottom side of the upper flange and the two sides of the top side of the lower flange of the structural steel beam, and one side of the angle steel is aligned with the main structural steel beam; firstly, carrying out spraying treatment on anticorrosive and antirust paint on the bearing system and the angle steel, and then carrying out spraying treatment on a fireproof coating;
s2, paving heat-preservation rock wool boards inside the side edges of the angle steels on two sides of the web plate of the main structure steel beam to form a heat-preservation layer, paving cement fiberboards on two sides of the heat-preservation layer, and fixedly installing the cement fiberboards on the side edges of the angle steels through self-tapping screws; the heat-preservation rock wool board is paved in the space enclosed by the lower flange of the main structure steel beam, the vertical C-shaped steel and the horizontal C-shaped steel to form a heat-preservation layer, the cement fiber boards are paved on two sides of the heat-preservation layer, and the cement fiber boards are fixedly installed on the side edges of the vertical C-shaped steel and the horizontal C-shaped steel through self-tapping screws.
Preferably, after the cement fiberboard is installed, the exterior of the cement fiberboard is painted for decoration and painted.
Preferably, the vertical C-shaped steel and the horizontal C-shaped steel are welded in a fillet welding mode, and polishing treatment is completed after welding.
Preferably, the angle steel is hot galvanized angle steel.
The invention has the beneficial effects that:
the invention cancels the lower hanging beam of the reinforced concrete, greatly reduces the difficulty of the pouring of the floor slab template and the concrete in the construction of the main structure, reduces the concrete consumption of the main structure and the installation and use of the template, has convenient construction and reduces the labor cost and the material cost; the invention cancels the reinforced concrete lower hanging beam, can start construction before curtain wall construction, is directly in the building layer, adopts the movable scaffold for construction, can effectively save the construction period and reduce the equipment cost; the invention uses the main structure steel beam to form a bearing system for converting the cold bridge and the hot bridge, has reliable bearing and more convenient operation, and can be suitable for most steel structure public buildings; by adopting the construction method, the whole curtain wall system is lofted along with the radian of the original main structure steel beam, so that the construction quality of the whole curtain wall engineering is ensured, and the forming effect of the outer vertical surface is improved; the invention adopts the cement fiber board for external plugging, and can be painted into different beautifying effects according to specific requirements, thereby improving the aesthetic degree of the whole building.
Drawings
FIG. 1 is a schematic view of the joint between the glass curtain wall and the main structure of the prior art.
Fig. 2 is a first construction process of the cold-hot bridge conversion structure of the aluminum plate glass curtain wall in the embodiment of the invention.
Fig. 3 shows a second construction process of the cold-hot bridge transformation structure of the aluminum plate glass curtain wall in the embodiment of the invention.
Fig. 4 shows a third construction process of the cold-hot bridge converting structure of the aluminum plate glass curtain wall in the embodiment of the invention.
Fig. 5 is a schematic view of the aluminum plate glass curtain wall after the construction of the cold-hot bridge conversion structure is completed in the embodiment of the invention.
In the figure: 1-reverse ridge of concrete; 2-main structure floor slab; 3-a main structure steel beam; 31-upper flange; 32-a web; 33-lower flange; 4-hanging the beam under the reinforced concrete; 5-an aluminum plate; 6-heat preservation rock wool board; 7-fillet weld; 8-vertical C-section steel; 9-transverse C-section steel; 10-angle steel; 11-self-tapping screws; 12-cement fiberboard; 13-aluminum keel; 14-glass curtain wall keel.
Detailed Description
The invention is further described below with reference to the figures and examples.
The invention provides a construction method of a cold and hot bridge conversion structure of an aluminum plate glass curtain wall, which comprises the following steps:
s1, before construction of the aluminum plate glass curtain wall, as shown in figure 2, vertical C-shaped steel 8 is welded along the bottom side of a lower flange 33 of a main structural steel beam 3, two side edges of the vertical C-shaped steel 8 are aligned with the main structural steel beam 3, transverse C-shaped steel 9 is welded along the bottom of the vertical C-shaped steel 8, an opening of the transverse C-shaped steel 9 is upward, two side edges of the transverse C-shaped steel are aligned with the vertical C-shaped steel 8, and the main structural steel beam 3, the vertical C-shaped steel 8 and the transverse C-shaped steel 9 form a bearing system for cold-hot bridge conversion; as shown in fig. 3, angle steel 10 is welded on both sides of the bottom side of the upper flange 31 and both sides of the top side of the lower flange 33 of the structural steel beam 3, and one side of the angle steel 10 is aligned with the main structural steel beam 3; firstly, spraying anticorrosive and antirust paint on the bearing system and the angle steel 10, and then spraying fireproof paint;
s2, as shown in figure 4, paving heat-insulating rock wool boards 6 on two sides of a web plate 32 of the main structure steel beam 3 and within the side edges of the angle steel 10 on two sides to form a heat-insulating layer, paving cement fiberboards 12 on two surfaces of the heat-insulating layer, and fixedly installing the cement fiberboards 12 on the side edges of the angle steel 10 through self-tapping screws 11; as shown in fig. 4, the heat-insulating rock wool boards 6 are fully paved in the space surrounded by the lower flange 33 of the main structural steel beam 3, the vertical C-shaped steel 8 and the horizontal C-shaped steel 9 to form a heat-insulating layer, the cement fiber boards 12 are paved on two sides of the heat-insulating layer, and the cement fiber boards 12 are fixedly installed on the side edges of the vertical C-shaped steel 8 and the horizontal C-shaped steel 9 through self-tapping screws 11; after the cement fiberboard 12 is installed, the exterior of the cement fiberboard 12 can be painted for decoration and painted with paint.
In the present embodiment, as shown in fig. 2 and 3, the vertical C-section steel 8 and the horizontal C-section steel 9 are welded in the form of fillet welds 7, and the welding is finished by grinding.
In the present embodiment, a hot-dip galvanized angle steel is used as the angle steel 10, L50 × 4 and @300mm are used as the angle steel 10, and a cross recessed countersunk head is used as the tapping screw 11.
As shown in fig. 5, the invention cancels the reinforced concrete lower hanging beam 4, greatly reduces the difficulty of pouring the floor slab template and the concrete in the construction of the main structure, reduces the consumption of the concrete of the main structure and the installation and use of the template, is convenient for construction, and reduces the labor cost and the material cost; as shown in figure 5, the invention cancels the reinforced concrete lower hanging beam 4, can start construction before curtain wall construction, and can be directly constructed in a floor by adopting a movable scaffold, thereby effectively saving construction period and reducing equipment cost; the invention utilizes the main structure steel beam 3 to form a bearing system for converting the cold bridge and the hot bridge, has reliable bearing and more convenient operation, and can be suitable for most steel structure public buildings; by adopting the construction method, the whole curtain wall system is lofted along with 3 radians of the original main structure steel beam, so that the construction quality of the whole curtain wall engineering is ensured, and the forming effect of the outer vertical surface is improved; the invention adopts the cement fiber board 12 to carry out external plugging, and can be painted into different beautifying effects according to specific requirements, thereby improving the aesthetic degree of the whole building.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a cold and hot bridge transform structure of aluminum plate glass curtain wall which characterized in that: the steel structure comprises vertical C-shaped steel welded on the bottom side of a lower flange of a main structure steel beam along the line, horizontal C-shaped steel welded on the bottom of the vertical C-shaped steel along the line, and angle steel welded on two sides of the bottom side of an upper flange and two sides of the top side of a lower flange of the structure steel beam along the line, wherein two side edges of the vertical C-shaped steel are aligned with the main structure steel beam, an opening of the horizontal C-shaped steel is upward, two side edges of the horizontal C-shaped steel are aligned with the vertical C-shaped steel, one side edge of the angle steel is aligned with the main structure steel beam, the vertical C-shaped steel and the horizontal C-shaped steel form a bearing system for cold and hot bridge conversion, and the bearing system and the angle steel are subjected to anticorrosion, antirust and fireproof treatment; the heat preservation layers formed by heat preservation rock wool boards are fully paved inside the side edges of the angle steels on the two sides of the web plate of the main structure steel beam, the cement fiber boards are paved on the two sides of the heat preservation layers, and the cement fiber boards are fixedly installed on the side edges of the angle steels through self-tapping screws; the heat preservation that has the heat preservation rock wool board to form has been laid to the space that the lower flange of major structure girder steel, vertical C shaped steel, horizontal C shaped steel enclose, has laid the cement fiberboard at the heat preservation both sides, and the cement fiberboard passes through self-tapping screw fixed mounting on the side of vertical C shaped steel and horizontal C shaped steel.
2. The cold-hot bridge converting structure of aluminum plate glass curtain wall as claimed in claim 1, wherein: and the vertical C-shaped steel and the horizontal C-shaped steel are welded in an angle welding manner, and the polishing treatment is completed by welding.
3. The cold-hot bridge converting structure of aluminum plate glass curtain wall as claimed in claim 1, wherein: the angle steel adopts hot galvanizing angle steel.
4. A construction method of a cold and hot bridge conversion structure of an aluminum plate glass curtain wall is characterized in that: comprises the steps of (a) carrying out,
s1, before construction of the aluminum plate glass curtain wall, welding vertical C-shaped steel on the bottom side of a lower flange of a main structure steel beam along a line, aligning two side edges of the vertical C-shaped steel with the main structure steel beam, welding horizontal C-shaped steel on the bottom of the vertical C-shaped steel along the line, enabling an opening of the horizontal C-shaped steel to be upward, aligning the two side edges with the vertical C-shaped steel, and enabling the main structure steel beam, the vertical C-shaped steel and the horizontal C-shaped steel to form a bearing system for cold and hot bridge conversion; angle steel is welded on the two sides of the bottom side of the upper flange and the two sides of the top side of the lower flange of the structural steel beam, and one side of the angle steel is aligned with the main structural steel beam; firstly, carrying out spraying treatment on anticorrosive and antirust paint on the bearing system and the angle steel, and then carrying out spraying treatment on a fireproof coating;
s2, paving heat-preservation rock wool boards inside the side edges of the angle steels on two sides of the web plate of the main structure steel beam to form a heat-preservation layer, paving cement fiberboards on two sides of the heat-preservation layer, and fixedly installing the cement fiberboards on the side edges of the angle steels through self-tapping screws; the heat-preservation rock wool board is paved in the space enclosed by the lower flange of the main structure steel beam, the vertical C-shaped steel and the horizontal C-shaped steel to form a heat-preservation layer, the cement fiber boards are paved on two sides of the heat-preservation layer, and the cement fiber boards are fixedly installed on the side edges of the vertical C-shaped steel and the horizontal C-shaped steel through self-tapping screws.
5. The construction method of the cold-hot bridge conversion structure of the aluminum plate glass curtain wall as claimed in claim 4, wherein: and after the cement fiberboard is installed, performing decoration and finishing painting and paint spraying work on the outer part of the cement fiberboard.
6. The construction method of the cold-hot bridge conversion structure of the aluminum plate glass curtain wall as claimed in claim 4, wherein: and the vertical C-shaped steel and the horizontal C-shaped steel are welded in an angle welding manner, and the polishing treatment is completed by welding.
7. The construction method of the cold-hot bridge conversion structure of the aluminum plate glass curtain wall as claimed in claim 4, wherein: the angle steel adopts hot galvanizing angle steel.
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| CN202111135483.2A CN113958046B (en) | 2021-09-27 | 2021-09-27 | Cold and hot bridge conversion structure of aluminum plate glass curtain wall and construction method |
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| CN202111135483.2A CN113958046B (en) | 2021-09-27 | 2021-09-27 | Cold and hot bridge conversion structure of aluminum plate glass curtain wall and construction method |
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| CN210134554U (en) * | 2019-05-22 | 2020-03-10 | 山东联兴绿厦建筑科技有限公司 | Fireproof inner wallboard and building |
| CN210459560U (en) * | 2019-06-04 | 2020-05-05 | 第一摩码人居环境科技（北京）有限公司 | Structure for heat bridge treatment of assembled passive room and assembled passive room |
| CN210369561U (en) * | 2019-06-05 | 2020-04-21 | 浙江绿筑集成科技有限公司 | Fireproof and decorative integrated steel beam |
| CN211114151U (en) * | 2019-07-22 | 2020-07-28 | 天津申茂企业管理有限公司杭州分公司 | Steel beam anti-leakage node structure at outer wall |
| CN110700455A (en) * | 2019-10-10 | 2020-01-17 | 中国一冶集团有限公司 | Thermal insulation aluminum plate curtain wall and installation method thereof |
| CN211774751U (en) * | 2019-11-20 | 2020-10-27 | 上海骏地建筑设计事务所股份有限公司 | Steel construction prefabricated wall panel mounting structure |
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| CN113958046B (en) | 2023-03-28 |
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