CN114991341A - Zero carbon building structure of assembled and heat preservation decoration integration wall body - Google Patents
Zero carbon building structure of assembled and heat preservation decoration integration wall body Download PDFInfo
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- CN114991341A CN114991341A CN202210821604.7A CN202210821604A CN114991341A CN 114991341 A CN114991341 A CN 114991341A CN 202210821604 A CN202210821604 A CN 202210821604A CN 114991341 A CN114991341 A CN 114991341A
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 22
- 238000005034 decoration Methods 0.000 title claims abstract description 20
- 238000004321 preservation Methods 0.000 title claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 3
- 230000010354 integration Effects 0.000 title description 3
- 239000004567 concrete Substances 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000004964 aerogel Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000011381 foam concrete Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000001723 curing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 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
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
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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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses an assembled zero-carbon building structure and heat-insulation decoration integrated wall, belonging to the technical field of external wall panels for buildings; the composite wall comprises a keel frame and a composite wall body layer embedded in the keel frame; the keel frame is a hollow square frame body, and the upper side, the lower side, the left side and the right side of the frame body are both plug-in structures with one convex side and the other concave side; wiring ports are arranged on the upper side, the lower side, the left side and the right side of the frame body; the composite wall layer comprises concrete layers on two sides, and a heat insulation layer is arranged between the concrete layers on the two sides; the integrated wall is prefabricated and is directly assembled and connected for use through a plug-in type structure on a use site; the invention realizes the integrated assembly of the outer wall body, improves the heat insulation performance of the wall body, ensures the strength and stability performance of the wall body, reduces the thickness of the wall body and meets the requirement of zero-carbon buildings.
Description
Technical Field
The invention belongs to the technical field of exterior wall enclosure parts for energy conservation of fabricated buildings, and relates to an integrated exterior enclosure structure wall body which is formed by combining and integrating fabricated ultra-low energy consumption, near-zero energy consumption and zero-carbon building heat preservation and decoration units.
Background
At present, the building energy-saving technology has unprecedented development and progress. The heat preservation, heat insulation and decoration of the building envelope structure become the key points of building energy-saving research, the internal heat preservation technology is gradually replaced by the external heat preservation technology of the external wall, and the external heat preservation of the external wall is gradually popularized and applied. The most common method is to stick the insulation board on the outer wall surface by means of adhesive mortar, and to smear a thin layer of polymer anti-crack mortar on the outer side of the insulation board. The external thermal insulation system of the external wall is a thermal insulation system arranged on the surface of the external wall of a building, has complex change of environmental conditions and higher requirement on weather-proof conditions, and puts forward higher requirements on the quality and the service life of the external thermal insulation system of the external wall. To ensure excellent quality and long service life, the external thermal insulation system is required to be firmly and reliably connected with the external wall surface and cannot be loosened and fall off; the outer surface of the outer heat insulation system is complete and firm, and cannot crack, seep water, peel and delaminate. Due to the reason of fierce market competition, the reason of great quality difference of polymer mortar of chemical building materials and the reason of great difference of construction quality and technology of buildings, the quality and the service life of an external thermal insulation system of an external wall are difficult to be effectively controlled and ensured, the thermal insulation boards are loosened and fall off, and surface cracking and peeling sometimes occur, so that the effective development of the energy-saving work of the buildings is seriously influenced. Meanwhile, the exterior wall finishing materials are various, and a considerable part of designers select heavy finishing materials such as ceramic tiles and the like, so that stricter and complex requirements are provided for the exterior wall external heat insulation structure. The external thermal insulation structure applied and popularized in the building field at present is difficult to meet the complicated application requirements.
At present, integrated walls with various styles appear in the market, and energy-saving walls mainly comprise passive ultralow-energy-consumption walls and near-zero-energy-consumption walls; the passive ultra-low energy consumption building is a building which is adaptive to climatic characteristics and natural conditions, adopts a fresh air heat recovery technology through an enclosure structure with higher heat insulation performance and air tightness performance, and provides a comfortable indoor environment by utilizing renewable energy sources. And in the passive ultra-low energy consumption building, an insulating layer of 12-15cm is required to be added outside the wall body to achieve the energy saving rate of 75%. For the wall body with near zero energy consumption, a heat-insulating layer of 12-15cm is further added in the wall body on the basis of adding a heat-insulating layer of 10-20cm outside the wall body, so that the thickness of the wall body is increased to 45-50 cm; and because the intensity of the wall body needs to be ensured, structures such as a supporting metal frame or a reinforcing rib and the like are generally required to be installed in the wall body, the heat preservation structure connected to the outer part of the wall body main body is unstable, and has a falling unstable factor, meanwhile, the heat preservation performance is poor, the thickness of the wall body is increased, and the requirements of modern green low-carbon buildings cannot be met.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides an assembled zero-carbon building structure and heat-insulation and decoration integrated wall. The purpose is under the prerequisite that does not increase wall body thickness, guarantees the thermal insulation performance of wall body simultaneously to the intensity of wall body.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an assembled zero-carbon building structure and heat preservation and decoration integrated wall comprises a keel frame and a composite wall body layer embedded in the keel frame; the keel frame is a hollow square frame body, and the upper side, the lower side, the left side and the right side of the frame body are both plug-in structures with one convex side and the other concave side; wiring ports are arranged on the upper side, the lower side, the left side and the right side of the frame body; the composite wall layer comprises concrete layers on two sides, and a heat insulation layer is arranged between the concrete layers on the two sides; the integrated wall body is prefabricated and is directly assembled and connected for use through a plug-in type structure on a use site.
Preferably, the front and back of the keel frame are provided with metal net films, and the concrete layer is poured between the metal net films and the heat insulation layer.
Preferably, the metal mesh membrane is a light steel mesh membrane.
Preferably, the decorative plate or the solar panel is directly connected to the concrete layer positioned on the outer side of the integrated wall body.
Preferably, the connecting wire of the solar panel is embedded in the keel frame.
Preferably, the bulges and the depressions of two adjacent walls are spliced to form connecting gaps, and the gaps are filled and connected through connecting glue.
Preferably, the thickness of the concrete layer is 5-7 cm.
Preferably, the material of the concrete layer is one of cement foam concrete, modified polyphenyl granule concrete and aerogel modified polyphenyl granule concrete.
Preferably, the inner surfaces of the left side wall and the right side wall of the keel frame are provided with fixing buckles, and the heat preservation layer is fixed between the fixing buckles at the two sides.
Preferably, the heat insulation layer is a vacuum heat insulation plate.
Compared with the prior art, the invention has the following beneficial effects:
the integrated wall body is combined with the embedded wall body through the frame type keel structure, the thickness of the conventional heat-insulating wall body is reduced while the strength of the wall body is ensured, the surrounding keel frames limit the inner wall body layer and provide effective support for the outside, the inner wall body layer and the outer wall body layer are firmly combined through pouring and connecting of the inner layer light concrete and the outer layer light concrete, and the integral stability of the wall body is further improved.
According to the invention, the heat-insulating layer is arranged between the light concrete layers to form internal heat insulation, after the wall body is assembled and connected, the outer surface can be directly connected with an external decoration, the mounting of a heat-insulating structure is not required, the wall body can realize the heat-insulating property, meanwhile, the thickness of the wall body is effectively reduced, the indoor area is increased, the mounting construction of the facing is directly carried out, the convenience and the rapidness are realized, and the integral flatness is improved; meanwhile, the heat insulation layer is positioned on the inner layer of the wall body, so that the phenomenon that the heat insulation layer falls off after long-term use is avoided.
The periphery of the keel frame is provided with the wiring connecting holes, so that the wall body is greatly convenient to arrange a pre-buried line, and the outer surface of the wall body can be directly connected with clean energy facilities such as a solar panel and the like, so that the zero-carbon building wall body is really realized.
The heat insulation layer filled in the wall body is a vacuum heat insulation plate, so that the heat conductivity coefficient is reduced to 0.08, the service life of the heat insulation plate can be effectively prolonged, and the integral thickness of the wall body can be adjusted within 20 cm.
The integrated wall body realizes the integrated assembly of the outer wall body, improves the heat insulation performance of the wall body, ensures the strength and stability performance of the wall body, and meets the requirement of zero-carbon buildings.
Drawings
Fig. 1 is a structural schematic view of a keel frame of the integrated wall body in embodiment 1.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural diagram of the two integrated walls according to embodiment 1 after assembly and connection.
FIG. 4 is a cross-sectional view of the wall layer of example 1.
Fig. 5 is a longitudinal sectional view of the integrated wall body in embodiment 3.
Fig. 6 is a transverse sectional view of the integrated wall body in embodiment 3.
In the drawing, 1 is a keel frame, 2 is a wall body layer, 3 is a plug-in type structure, 4 is a wiring port, 5 is a decorative plate, 6 is a fixing buckle, 21 is a light steel net film, 22 is a light concrete layer, and 23 is a heat preservation layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solutions of the present invention are described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
An assembled zero-carbon building structure and heat preservation decoration integrated wall body is characterized in that each component unit of the wall body comprises a keel frame 1 and a wall body layer 2 embedded in the keel frame; as shown in fig. 1 and 2, the keel frame 1 is a hollow square frame body made of light steel keels, and the frame body is formed by welding partial light steel keels; the periphery of the frame body is provided with an assembly and insertion structure, namely the upper side, the lower side, the left side and the right side of the frame body are both insertion structures 3 with one convex side and the other concave side; the four sides of the inserting structure 3 are all provided with wiring ports 4 which are uniformly provided with circular holes; as shown in fig. 4, light steel net films 21 are fixed on the front and rear sides of the keel frame 1, a layer of light concrete 22 with a thickness of 5cm is poured on the inner sides of the light steel net films 21 on the two sides, and a porous heat insulation layer 23 is arranged between the light concrete layers 22 on the two sides.
Wherein the lightweight concrete is prepared by uniformly mixing concrete slurry and aerogel modified polyphenyl particles; adding 2.6kg of aerogel modified polyphenyl particles into each cubic meter of concrete slurry; the aerogel modified polyphenyl particles are prepared by adding aerogel components into the modified polyphenyl particles, and the material can be directly purchased in the market in the prior art.
The preparation method of the integrated wall body comprises the steps of horizontally placing the keel frame 1 in a mold, firstly welding a layer of light steel net film 21 below the keel frame 1, pouring a layer of light concrete layer with the thickness of 5cm, and adopting variable frequency vibration and buffer pressurization. 2-4 hanging pieces are pre-embedded at the top of the wall body in the poured lightweight concrete layer and are used for on-site assembly and hanging; the frequency conversion vibration is firstly vibration for 15 seconds at 100HZ frequency and 0.4mm amplitude, and then vibration for 10 seconds at 500HZ frequency and 0.3mm amplitude. Molding under 1800-2200 kN pressure, and the time required by the whole vibration pressing process is about 20-22 s. Then horizontally placing the heat-insulating layer 23 on the light concrete layer of the bottom layer, pouring light concrete on the heat-insulating layer 23 again, and carrying out frequency conversion vibration and buffer pressurization again; the thickness of the wall body layer formed by the lightweight concrete on the inner layer side and the lightweight concrete on the outer layer side and the heat insulation layer inside is equal to that of the keel frame.
And (3) after the module is demoulded, covering and watering by adopting a plastic film, naturally curing, and performing damp-heat curing at the curing temperature of 80-95 ℃, the humidity of more than or equal to 95 percent and the curing time of more than or equal to 6 hours to obtain a module finished product. Plastering on a lightweight concrete layer positioned on the outer side of the integrated wall body, and then bonding a decorative plate.
As shown in fig. 3, the integrated wall is prefabricated and is directly assembled and connected for use through a plug-in type structure on a use site; in the process of splicing, 1-2cm connecting gaps are reserved after the bulges and the depressions of two adjacent wall bodies are spliced, and the gaps are filled and connected through connecting glue.
Example 2
The utility model provides a zero carbon building structure of assembled and heat preservation decoration integration wall body, the structure of wall body is the same with embodiment 1 in this embodiment, and what the difference is that the outer wall is connected is solar panel, and solar panel's wiring has been pre-buried in fossil fragments frame before pouring light concrete, and the connector lug is worn out wiring mouth 4.
Example 3
As shown in fig. 5 and 6, in the present embodiment, no metal net film is disposed on the front and back surfaces of the keel frame 1, the fixing buckles 6 are disposed on the inner surfaces of the left and right side walls of the keel frame 1, the insulating layer 23 is a vacuum insulating board, the insulating vacuum board is fixed between the fixing buckles 6 on the two sides, the lightweight concrete boards, i.e., the lightweight concrete layer 22, are bonded on the two sides of the insulating vacuum board, the keel frame 1 is completely filled with the lightweight concrete boards on the two sides and the vacuum insulating board in the middle, the decorative boards 5 are bonded on the front and back surfaces of the keel frame and the surfaces of the lightweight concrete boards to form a wall, and then the wall is directly assembled and connected on site.
The above is a further detailed description of the present invention with reference to specific preferred embodiments, which should not be considered as limiting the invention to the specific embodiments described herein, but rather as a matter of simple derivation or substitution within the scope of the invention as defined by the appended claims, it will be understood by those skilled in the art to which the invention pertains.
Claims (10)
1. An assembled zero-carbon building structure and heat-insulation decoration integrated wall body is characterized by comprising a keel frame and a composite wall body layer embedded in the keel frame; the keel frame is a hollow square frame body, and the upper side, the lower side, the left side and the right side of the frame body are both of plug-in type structures with one side protruding and the other side sunken; the upper side, the lower side, the left side and the right side of the frame body are provided with wiring ports; the composite wall layer comprises concrete layers on two sides, and a heat insulation layer is arranged between the concrete layers on the two sides; the integrated wall body is prefabricated and is directly assembled and connected for use through a plug-in type structure on a use site.
2. The assembly type zero-carbon building structure and heat preservation and decoration integrated wall body as claimed in claim 1, wherein metal net films are arranged on the front face and the rear face of the keel frame, and the concrete layer is poured between the metal net films and the heat preservation layer.
3. The assembled zero-carbon building structure and thermal insulation decoration integrated wall body as claimed in claim 2, wherein the metal net film is a light steel net film.
4. The assembled zero-carbon building structure and thermal insulation and decoration integrated wall body of claim 1, wherein the decorative plate or the solar panel is directly connected to the concrete layer on the outer side of the integrated wall body.
5. The assembled zero-carbon building structure and heat preservation and decoration integrated wall body of claim 4, wherein the connecting wires of the solar panels are embedded in the keel frame.
6. The assembled zero-carbon building structure and heat preservation and decoration integrated wall body as claimed in claim 1, wherein the protrusions and the recesses of two adjacent wall bodies are spliced to leave connecting gaps, and the gaps are filled and connected through connecting glue.
7. The assembled zero-carbon building structure and thermal insulation and decoration integrated wall body as claimed in claim 1, wherein the thickness of the concrete layer is 5-7 cm.
8. The assembled zero-carbon building structure and heat preservation and decoration integrated wall body as claimed in claim 1, wherein the concrete layer is made of one of cement foam concrete, modified polyphenyl particle concrete and aerogel modified polyphenyl particle concrete.
9. The assembled zero-carbon building structure and heat preservation and decoration integrated wall body as claimed in claim 1, wherein fixing buckles are arranged on inner surfaces of left and right side walls of the keel frame, and the heat preservation layer is fixed between the fixing buckles on the two sides.
10. The assembled zero-carbon building structure and thermal insulation decoration integrated wall body as claimed in claim 1, wherein the thermal insulation layer is a vacuum thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210821604.7A CN114991341A (en) | 2022-07-13 | 2022-07-13 | Zero carbon building structure of assembled and heat preservation decoration integration wall body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210821604.7A CN114991341A (en) | 2022-07-13 | 2022-07-13 | Zero carbon building structure of assembled and heat preservation decoration integration wall body |
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| Publication Number | Publication Date |
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| CN114991341A true CN114991341A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210821604.7A Pending CN114991341A (en) | 2022-07-13 | 2022-07-13 | Zero carbon building structure of assembled and heat preservation decoration integration wall body |
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| CN102182263A (en) * | 2011-03-31 | 2011-09-14 | 哈尔滨工业大学 | Prefabricated bamboo-net light heat insulation wall |
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| CN202644775U (en) * | 2012-05-14 | 2013-01-02 | 中国十七冶集团有限公司 | Prefabricated sandwich external wall panel with thermal insulation concrete |
| CN205421604U (en) * | 2016-03-17 | 2016-08-03 | 江西省中蔚建设集团有限公司 | Multifunctional wall body for green building |
| CN106968361A (en) * | 2017-04-28 | 2017-07-21 | 惠州美森板业有限公司 | A kind of composite wallboard structure and combined wall |
| CN211898941U (en) * | 2020-03-11 | 2020-11-10 | 张诗幸 | Assembled light steel villa composite wall frame-type keel support |
| CN214329436U (en) * | 2020-11-24 | 2021-10-01 | 赵成国 | Steel frame net nest sandwich composite wall |
| CN113898081A (en) * | 2021-10-26 | 2022-01-07 | 中国建筑科学研究院有限公司 | Light shell type external heat preservation photovoltaic photo-thermal integrated wall structure |
-
2022
- 2022-07-13 CN CN202210821604.7A patent/CN114991341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012069016A1 (en) * | 2010-11-25 | 2012-05-31 | 欧文斯科宁知识产权资产有限公司 | Prefabricated thermal insulating composite panel, assembly thereof, moulded panel and concrete slab comprising same, method and mould profile for prefabricating same |
| CN102182263A (en) * | 2011-03-31 | 2011-09-14 | 哈尔滨工业大学 | Prefabricated bamboo-net light heat insulation wall |
| CN202644775U (en) * | 2012-05-14 | 2013-01-02 | 中国十七冶集团有限公司 | Prefabricated sandwich external wall panel with thermal insulation concrete |
| CN205421604U (en) * | 2016-03-17 | 2016-08-03 | 江西省中蔚建设集团有限公司 | Multifunctional wall body for green building |
| CN106968361A (en) * | 2017-04-28 | 2017-07-21 | 惠州美森板业有限公司 | A kind of composite wallboard structure and combined wall |
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