CN108149810A - A kind of hollow acrylic composite board - Google Patents
A kind of hollow acrylic composite board Download PDFInfo
- Publication number
- CN108149810A CN108149810A CN201711450239.9A CN201711450239A CN108149810A CN 108149810 A CN108149810 A CN 108149810A CN 201711450239 A CN201711450239 A CN 201711450239A CN 108149810 A CN108149810 A CN 108149810A
- Authority
- CN
- China
- Prior art keywords
- bulkhead
- cavity
- acrylic
- pieces
- boards
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000000565 sealant Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000002808 molecular sieve Substances 0.000 claims abstract description 9
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003463 adsorbent Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 22
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000004566 building material Substances 0.000 description 5
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E04B1/82—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 sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- 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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6137—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by formlocking
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings 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
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a kind of hollow acrylic composite boards, including bulkhead and at least two pieces of acrylic boards, the bulkhead is hollow tubular structure, bulkhead is located between two pieces of adjacent acrylic boards, bulkhead surrounds the cavity of sealing with two pieces of adjacent acrylic boards, and adsorbent of molecular sieve is equipped in the bulkhead, and the madial wall of bulkhead is equipped with first through hole, outer groove is formed between the lateral wall surrounding of bulkhead and adjacent two pieces of acrylic boards, sealant is filled in the outer groove.Glass is replaced with acrylic board, reduce the weight of composite plate, easy to carry, transport and installation, the load that building and stent are born is small, fabric structure intensity higher, and acrylic board machine-shaping is easy, and production cost is low, building cost can be reduced, large-scale promotion is suitble to use.
Description
Technical field
The invention belongs to the technical field of building materials, specifically, being related to a kind of hollow acrylic composite board.
Background technology
Hollow glass is made of two layers or more than two layers plate glass, the high-strength high-air-tightness compound binding agent of surrounding,
By two panels or divided glass and sealing strip, glass bar is Nian Jie, sealing.Centre is filled with dry gas, and drier is filled in frame, to protect
The aridity of air between card sheet glass.It can be according to the original sheet glass for requiring to select various different performances, such as water white transparency float glass process
Glass pattern glass, antisolar glass, heat-reflecting glass, wire glass, tempered glass etc. and frame (aluminium chassis or glass bar etc.),
Through it is cementing, be soldered or welded and be made.
Due to the influence of glass material characteristic, the universal weight of hollow glass is larger, and carrying, transport and installation cause high effort for,
And glass can send out sharp noise when being impacted by external impurities, influence people and work normally life, it is serious even
Glass breaking can be caused to injure passerby by a crashing object, there are larger security risks.
Invention content
For deficiency above-mentioned in the prior art, the present invention provides a kind of hollow acrylic composite board, is come with acrylic board
Glass is replaced, reduces the weight of composite plate, easy to carry, transport and installation.
In order to achieve the above object, the solution that uses of the present invention is：A kind of hollow acrylic composite board, including bulkhead
At least two pieces of acrylic boards, the bulkhead are surrounded by rectangular tube, and bulkhead is located between two pieces of adjacent acrylic boards, bulkhead with
Two pieces of adjacent acrylic boards surround the cavity of sealing, are equipped with adsorbent of molecular sieve in the rectangular tube, bulkhead is close to cavity
Side is equipped with first through hole, and outer groove, the outer shroud are formed between the lateral wall surrounding of bulkhead and adjacent two pieces of acrylic boards
The sealant for pressure bulkhead is filled in slot.
Further, connection component is equipped in the outer groove, adjacent two pieces of acrylic boards are connected by connection component.
Further, the connection component includes the first connecting pole and the second connecting pole, and the free end of the second connecting pole is set
Fluted, the side wall of groove is equipped with limit hole, and the free end of first connecting pole is equipped with and the matched buckle of limit hole.
Further, the first cavity and the second cavity are equipped in the bulkhead, the second cavity is located at the outside of the first cavity,
The lateral wall of second cavity is equipped with the second through-hole, and adsorbent of molecular sieve is filled in the first cavity, is filled in the second cavity multiple
Close material water-proof material.
Further, the compound material water-proof material includes zeolite, subvolcano rock and polyurethane water-stop glue.
The beneficial effects of the invention are as follows：
Glass is replaced with acrylic board, hollow acrylic composite board, profit are manufactured according to the structure of hollow glass
Hollow glass is substituted as the building materials of related building by the use of acrylic composite board, is ensureing building materials with fine translucency and knot
While structure intensity, carrying, transport and the working strength for installing building materials on the one hand can be greatly reduced, reduces the negative of building
On the other hand lotus has better noise reduction using acrylic board, and will not crush glass-like and injure passerby by a crashing object, safety
Property is stronger.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the sectional view of bulkhead of the present invention；
Fig. 4 is structure diagram when the first connecting pole of the invention is connect with the second connecting pole；
In attached drawing：
1- bulkheads, 11- first through hole, the second through-holes of 12-, the first cavitys of 13-, the second cavitys of 14-, 2- acrylic boards, 3-
Adsorbent of molecular sieve, the compound material water-proof materials of 4-, 5- cavitys, 6- connection components, the first connecting poles of 61-, the second connecting poles of 62-, 63-
Limit hole, 64- grooves, 65- buckles, 7- sealants.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described：
The present invention provides a kind of hollow acrylic composite board, as depicted in figs. 1 and 2, including bulkhead 1 and two pieces of acrylic boards
2, the 1 generally use aluminium material of bulkhead is made, as shown in figure 3, the bulkhead 1 is surrounded by rectangular tube, first is equipped in bulkhead 1
13 and second cavity 14 of cavity, the second cavity 14 are located at the outside of the first cavity 13, and bulkhead 1 is equipped with the close to the side of cavity 5
One through-hole 11, the lateral wall of the second cavity 14 are equipped with the second through-hole 12, adsorbent of molecular sieve 3 are filled in rectangular tube, second is empty
Compound material water-proof material 4 is filled in chamber 14.Bulkhead 1 is located between two pieces of adjacent acrylic boards 2, bulkhead 1 and 2 phase of acrylic board
Cooperation, bulkhead 1 are fixedly linked by the adhesives such as butyl rubber or silicone structure sealant and the acrylic board 2 positioned at its both sides,
Bulkhead 1 surrounds the cavity 5 of sealing, the lateral wall surrounding of bulkhead 1 and two pieces of adjacent acrylics with two pieces of adjacent acrylic boards 2
Outer groove is formed between plate 2, the sealant 7 for pressure bulkhead 1, the material of the sealant 7 are filled in the outer groove
Can be hot melt butyl rubber, polyisobutene or TR sealant etc..
Sealant 7 is by sunlight long-term irradiation, it may appear that the phenomenon that degumming, causes to occur between sealant 7 and acrylic board 2
Gap influences sealing performance.So include boiling filled with compound material water-proof material 4, the compound material water-proof material 4 in the second cavity 14
Stone, subvolcano rock and polyurethane water-stop glue.Above-mentioned polyurethane water-stop glue is using polyurethane water-swellable sealing common in the market
Glue, after sealant 7 and the disengaging of acrylic board 2, extraneous moisture can enter through the second through-hole 12 in the second cavity 14, polyurethane
Water-stop glue water-swellable simultaneously connect with sealant 7 and reconstitutes sealing structure.Above-mentioned subvolcano rock is the porous knot of surface porosity
Structure, carrier of the hole on subvolcano stone surface as polyurethane water-stop glue during production and assembly, during polyurethane water-stop glue water-swellable,
Gap between zeolite and subvolcano stone can inwardly be expanded for polyurethane water-stop glue provides space, avoids polyurethane water-stop glue mistake
Degree expands outward and squeezes acrylic board 2.When polyurethane water-stop glue water-swellable and after re-form sealing structure, zeolite can be with
Partial moisture in second cavity 14 is reuptaked by its inner void.
Above-mentioned 3 generally use 3a molecular sieves of adsorbent of molecular sieve, for adsorbing vapor in cavity 5 etc., in outer groove
After interior filling sealant 7, cavity 5 can be isolated with outside air.The structure of hollow acrylic composite board and hollow glass phase
Seemingly, after replacing glass using acrylic board 2, building materials are from heavy and light, half at least lighter than ordinary insulating glass, easy to carry, transport
And installation, the load that building and stent are born is small, fabric structure intensity higher.And compared to glass, acrylic board 2 can
Plasticity is strong, and machine-shaping is easy, and production cost is low, can reduce building cost.
Further, connection component 6 is equipped in the outer groove, connection component 6 is located at adjacent two acrylic boards, 2 four angles
Position, adjacent two pieces of acrylic boards 2 by connection component 6 be connected.6 one side of connection component can make sub- gram of adjacent two
More firm, another aspect is connected between power plate 2, in outer groove after filling sealant 7, connection component 6 also has sealant 7
There are reinforcing and positioning action, sealant 7 is prevented to be subjected to displacement influence sealing performance by external force effect.
Specifically, as shown in figure 4, the connection component 6 includes the first connecting pole 61 and the second connecting pole 62, the second connection
The free end of column 62 is equipped with groove 64, and the side wall of groove 64 is equipped with limit hole 63, and the free end of first connecting pole 61 is equipped with
With the matched buckle 65 of limit hole 63.The buckle 65 is located in the container of 61 side wall of the first connecting pole, when buckle 65 is inserted
During entering groove 64, the 65 clamping end stress of being buckled is pressed into container, when the clamping end of buckle 65 reaches limit
It during the hole 63 of position, is sticked under the action of elastic force in limit hole 63, realizes the connection of the first connecting pole 61 and the second connecting pole 62, this
When the first connecting pole 61 end be against the bottom of groove 64.Connecting pole on adjacent two acrylic board 2 is correspondingly arranged, dress
Then first connecting pole 61 and the second connecting pole 62 are respectively aligned to a firmly pressure by timing, you can complete assembling, later stage filling is close
Speed during sealing 7 is also faster.
Embodiment described above only expresses the specific embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Claims (5)
1. a kind of hollow acrylic composite board, it is characterized in that：Including bulkhead and at least two pieces of acrylic boards, the bulkhead is by rectangular
Pipe surrounds, and bulkhead is located between two pieces of adjacent acrylic boards, and bulkhead surrounds the cavity of sealing with two pieces of adjacent acrylic boards,
Adsorbent of molecular sieve is equipped in the rectangular tube, bulkhead is equipped with first through hole, the lateral wall surrounding of bulkhead close to the side of cavity
Outer groove is formed between two pieces of adjacent acrylic boards, the sealant for pressure bulkhead is filled in the outer groove.
2. a kind of hollow acrylic composite board according to claim 1, it is characterized in that：Connection group is equipped in the outer groove
Part, adjacent two pieces of acrylic boards are connected by connection component.
3. a kind of hollow acrylic composite board according to claim 2, it is characterized in that：The connection component includes first and connects
Column and the second connecting pole are connect, the free end of the second connecting pole is equipped with groove, and the side wall of groove is equipped with limit hole, first connection
The free end of column is equipped with and the matched buckle of limit hole.
4. a kind of hollow acrylic composite board according to claim 1, it is characterized in that：The first cavity is equipped in the bulkhead
With the second cavity, the second cavity is located at the outside of the first cavity, and the lateral wall of the second cavity is equipped with the second through-hole, in the first cavity
Filled with adsorbent of molecular sieve, compound material water-proof material is filled in the second cavity.
5. a kind of hollow acrylic composite board according to claim 4, it is characterized in that：The compound material water-proof material includes boiling
Stone, subvolcano rock and polyurethane water-stop glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450239.9A CN108149810A (en) | 2017-12-27 | 2017-12-27 | A kind of hollow acrylic composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450239.9A CN108149810A (en) | 2017-12-27 | 2017-12-27 | A kind of hollow acrylic composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108149810A true CN108149810A (en) | 2018-06-12 |
Family
ID=62462430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450239.9A Pending CN108149810A (en) | 2017-12-27 | 2017-12-27 | A kind of hollow acrylic composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108149810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942562A (en) * | 2021-02-03 | 2021-06-11 | 浙江吉祥建设集团有限公司 | Fabricated structure and construction method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2350602A1 (en) * | 1973-09-13 | 1975-04-24 | Fankhauser Glas Ag Steffisburg | Double glass windows for heat and sound insulation - surrounded by plastic foil to form pressure balancing zone |
| JPH09295838A (en) * | 1996-05-02 | 1997-11-18 | Kanegafuchi Chem Ind Co Ltd | Double glazing and its production |
| CN1442386A (en) * | 2002-03-06 | 2003-09-17 | 尚启水 | Grout, concrete waterproof agent and its manufacturing technology |
| JP2006325752A (en) * | 2005-05-24 | 2006-12-07 | Dai Ichi Kogyo Seiyaku Co Ltd | Volcanic ash granulating thing comprising humus excellent in shape retainability |
| CN101761292A (en) * | 2010-01-12 | 2010-06-30 | 浙江中力节能玻璃制造有限公司 | Double-cavity coated hollow glass with three-way separation double-isolation frame |
| TWM484643U (en) * | 2014-04-18 | 2014-08-21 | Yih Jen Ind Corp | Ceiling fan with fast-mounted blades |
| CN204022678U (en) * | 2014-05-30 | 2014-12-17 | 杭州燕锋玻璃有限公司 | A kind of low radiation coated glass |
| CN207934226U (en) * | 2017-12-27 | 2018-10-02 | 成都市兴三维玻璃制造有限公司 | A kind of hollow acrylic composite board |
-
2017
- 2017-12-27 CN CN201711450239.9A patent/CN108149810A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2350602A1 (en) * | 1973-09-13 | 1975-04-24 | Fankhauser Glas Ag Steffisburg | Double glass windows for heat and sound insulation - surrounded by plastic foil to form pressure balancing zone |
| JPH09295838A (en) * | 1996-05-02 | 1997-11-18 | Kanegafuchi Chem Ind Co Ltd | Double glazing and its production |
| CN1442386A (en) * | 2002-03-06 | 2003-09-17 | 尚启水 | Grout, concrete waterproof agent and its manufacturing technology |
| JP2006325752A (en) * | 2005-05-24 | 2006-12-07 | Dai Ichi Kogyo Seiyaku Co Ltd | Volcanic ash granulating thing comprising humus excellent in shape retainability |
| CN101761292A (en) * | 2010-01-12 | 2010-06-30 | 浙江中力节能玻璃制造有限公司 | Double-cavity coated hollow glass with three-way separation double-isolation frame |
| TWM484643U (en) * | 2014-04-18 | 2014-08-21 | Yih Jen Ind Corp | Ceiling fan with fast-mounted blades |
| CN204022678U (en) * | 2014-05-30 | 2014-12-17 | 杭州燕锋玻璃有限公司 | A kind of low radiation coated glass |
| CN207934226U (en) * | 2017-12-27 | 2018-10-02 | 成都市兴三维玻璃制造有限公司 | A kind of hollow acrylic composite board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942562A (en) * | 2021-02-03 | 2021-06-11 | 浙江吉祥建设集团有限公司 | Fabricated structure and construction method thereof |
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