CN109736475B - Light-weight assembled outer wall and construction method thereof - Google Patents

Light-weight assembled outer wall and construction method thereof Download PDF

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Publication number
CN109736475B
CN109736475B CN201910009956.0A CN201910009956A CN109736475B CN 109736475 B CN109736475 B CN 109736475B CN 201910009956 A CN201910009956 A CN 201910009956A CN 109736475 B CN109736475 B CN 109736475B
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strength concrete
light steel
wall
steel structure
door
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CN109736475A (en
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唐小卫
陈州
王德兵
沈松柏
周效丞
唐小刚
唐伟
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Jiangsu Suzhong Construction Group Co Ltd
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Jiangsu Suzhong Construction Group Co Ltd
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Abstract

The invention discloses a light-weight assembled outer wall and a construction method thereof, and relates to the technical field of assembled outer walls. According to the light-weight assembled outer wall and the construction method thereof, when the assembled outer wall panel is prepared, a large number of molds are not needed, labor and materials are saved, the size of the obtained single assembled outer wall panel is large, the light weight is realized in the aspect of weight, and the selected material has high strength, long service life and high recovery rate.

Description

Light-weight assembled outer wall and construction method thereof
Technical Field
The invention relates to the technical field of assembled exterior walls, in particular to a light assembled exterior wall and a construction method thereof.
Background
The outer wall is an important wall structure of a building body, is defined by a judgment method, is set as an A-B wall, if the A-B wall line can cut a related enclosure structure, the A-B wall line is an inner wall, otherwise, the A-B wall line is an outer wall, and from the aspect of architecture, the building is enclosed to form an indoor and outdoor boundary member which is called the outer wall, and the A-B wall structure has the functions of: the outer wall is used for bearing a certain load, shielding wind and rain, preserving heat, insulating heat, preventing noise, preventing fire, and the like, the outer wall is usually assembled during construction, and the outer wall plays a role and occupies a position in a complete building body, so that the importance is self-evident.
Modern outer walls mostly adopt solid or ordinary prefabricated sandwich PC outer walls, and the outer walls of the type have some problems, such as too heavy weight which is more than 5 times of the weight of ordinary light building blocks, higher requirement on lifting equipment, too much load considered during the design of main body structures, large steel content of the main body structures and foundations, and the problems of edge sealing and bridge breaking of plates are not solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a light-weight assembled outer wall and a construction method thereof, and solves the problems in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a light-duty assembled outer wall comprises an assembled outer wall board and a building main body, wherein the assembled outer wall board is laid on the outer side of the building main body and comprises a prefabricated high-strength concrete board, a heat insulation layer, a light steel structure, an inner decoration panel, a door and window structure body and a fireproof wall body, an outer decoration surface covers the outer side surface of the prefabricated high-strength concrete board, a door and window edge is installed in the middle of the prefabricated high-strength concrete board, the heat insulation layer is arranged on the inner side of the prefabricated high-strength concrete board, a reserved opening is formed in the middle of the heat insulation layer, the light steel structure is arranged on the inner side of the heat insulation layer, a switching piece is uniformly arranged on the inner side surface of the light steel structure, a mounting opening is formed in the middle of the light steel structure, the inner decoration panel is arranged on the inner side of the light steel structure, an opening is formed in the middle of the, the outer edge of the building main body is uniformly provided with connecting pieces, and the middle of the building main body is provided with a door window opening;
the construction method of the light assembled outer wall comprises the following process steps:
(1) manufacturing the assembled external wall panel:
a. selecting high-strength concrete as a base material, adding water for fusion, stirring, molding in a mold, cooling, curing and demolding to prepare a prefabricated high-strength concrete plate, reserving a door and window hole in the prefabricated high-strength concrete plate, and additionally arranging a door and window edge at the position of the door and window hole;
b. selecting a special mold to prepare an outer facing upper facing, pressing the outer facing on the outer side surface of the prefabricated high-strength concrete plate before the prefabricated high-strength concrete plate is completely solidified, filling a gap between the prefabricated high-strength concrete plate and the outer facing by using building glue, and reserving a door and window hole on the outer facing;
c. preparing a heat insulation layer, reserving a reserved opening on the heat insulation layer, and bonding the heat insulation layer with the high-strength concrete slab by using building glue;
d. preparing a light steel structure, reserving a mounting hole on the light steel structure, sealing a combination body of a high-strength concrete plate and a heat insulation layer on the light steel structure through high-strength concrete, drilling a thread reserved hole on the surface of the inner side of the light steel structure, and fixing an adapter on the light steel structure through a bolt;
e. preparing an inner decoration panel, reserving an opening on the inner decoration panel, and bonding the inner decoration panel on the inner side surface of the light steel structure by building glue;
f. assembling the fireproof wall body on the inner page of the assembled external wall panel in a seamless butt joint manner;
g. the inside and the outside of the assembled external wall panel are coated with nano ceramic paint as an antifouling protective agent;
(2) the assembly between the assembled external wall panel and the building main body is as follows:
a. breaking door and window openings corresponding to the positions of the opening, the placing opening, the reserved opening and the door and window edges on the building main body to be installed;
b. installing connecting pieces on a building main body to be installed by using bolt pieces, wherein the connecting pieces correspond to the adapter pieces one by one in position, and the connecting pieces are hinged with the adapter pieces;
c. flatly paving the assembled external wall boards on the outer side surface of the building main body in a one-to-one butt joint mode, cleaning sundries in gaps between the adjacent assembled external wall boards, filling MS double-wave sealing rubber strips, and finally filling and decorating the gaps by adopting building glue and a filling agent;
the high-strength concrete is prepared by adding a water reducing agent, fly ash, F mineral powder, slag, silicon powder and other mixtures to raw materials of cement, sand and stone and producing the mixture by a conventional process;
the exterior facing is made of Polycarbonate (PC), and the whole weight of the prefabricated high-strength concrete slab, the exterior facing and the edges of the door and the window is 120kg per square meter;
the building glue is specifically composed of one or more than two of 107 glue, 108 glue, 801 glue and 901 glue powder;
the heat-insulating layer comprises the following raw materials in percentage by weight: taking rubber powder polyphenyl granules as a middle layer, uniformly coating inorganic thermal mortar on two side surfaces of the middle layer to form a thermal insulation interlayer, and bonding a rock wool thermal insulation felt outside the thermal insulation interlayer to finally obtain a thermal insulation layer with the weight of 10 kg/square meter;
the light steel structure is a light steel keel taking a hot galvanized plate strip as a raw material, and the weight is 10kg per square meter;
the interior decoration panel is a magnesium substrate surface, the raw materials of the magnesium substrate are magnesium oxide with the activity of 83-85%, magnesium sulfate with the baume degree of 28 and an addition material, wherein the addition material comprises a modifier, a coagulant, sawdust, fly ash and expanded perlite, and the weight of the finally obtained interior decoration panel is 15kg per square meter;
the adaptor and the connecting piece are made of hot galvanizing materials, and the total weight of the adaptor and the connecting piece is 5kg per square meter.
Optionally, the maximum size of a single wallboard of the fabricated external wallboard is 4.2m × 13m, and the weight is 160kg per square meter.
The invention provides a light assembled outer wall and a construction method thereof, compared with the traditional mode, the light assembled outer wall has the following beneficial effects:
the light-weight assembled outer wall integrates heat preservation, decoration and a building enclosure structure, and compared with various existing composite wall boards such as a dry-hanging stone outer wall, a prefabricated sandwich heat preservation concrete plate, an aerated concrete outer wall plate, a foamed cement composite outer wall plate, a sandwich prefabricated concrete outer wall plate and the like, the light-weight assembled outer wall plate has the advantages of lighter weight, smaller influence on hoisting equipment, rapidness and convenience in installation, no need of a large number of molds during preparation of the assembled outer wall plate, labor and material conservation, large size of the obtained single assembled outer wall plate, realization of light weight in weight, and high strength, long service life and high recovery rate of the selected materials; the assembled outer wall adopts a light steel keel and high-strength concrete combined structure system, namely, the light steel keel is used as a structural member of the wall board and forms a wall board main body together with high-strength concrete, and has a personalized outer facing texture system, namely, various textures can be processed on the outer facing through a special mold.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a transit node according to the present invention.
In the figure: 1. an assembled external wall panel; 2. prefabricating a high-strength concrete slab; 3. an exterior finish; 4. a door window edge; 5. a heat insulation layer; 6. reserving a port; 7. a light steel structure; 8. an adapter; 9. a placement port; 10. an interior trim panel; 11. an opening; 12. a building body; 13. a connecting member; 14. door and window openings; 15. a door and window structure; 16. provided is a fireproof wall body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 2, the present invention provides a technical solution: a light-duty assembled outer wall comprises an assembled outer wall plate 1 and a building main body 12, the assembled outer wall plate 1 is laid on the outer side of the building main body 12, the assembled outer wall plate 1 comprises a prefabricated high-strength concrete plate 2, a heat insulation layer 5, a light steel structure 7, an inner decoration panel 10, a door and window structure body 15 and a fireproof wall body 16, an outer decoration surface 3 covers the outer side surface of the prefabricated high-strength concrete plate 2, a door and window edge 4 is installed in the middle of the prefabricated high-strength concrete plate 2, the inner side of the prefabricated high-strength concrete plate 2 is provided with the heat insulation layer 5, a reserved opening 6 is formed in the middle of the heat insulation layer 5, the light steel structure 7 is arranged on the inner side of the heat insulation layer 5, a switching piece 8 is uniformly arranged on the inner side surface of the light steel structure 7, a placement opening 9 is formed in the middle of the light steel structure 7, the inner decoration panel 10 is arranged, the outer side wall of the fabricated exterior wall panel 1 is provided with a fireproof wall 16, the outer edges of the building body 12 are uniformly provided with connecting pieces 13, and the middle of the building body 12 is provided with a door and window opening 14.
The construction method of the light assembled outer wall comprises the following process steps:
(1) manufacturing of the fabricated exterior wall panel 1:
a. selecting high-strength concrete as a base material, adding water for fusion, stirring, molding in a mold, cooling, curing and demolding to prepare a prefabricated high-strength concrete plate 2, reserving a door and window hole in the prefabricated high-strength concrete plate 2, and additionally arranging a door and window edge 4 at the position of the door and window hole;
b. selecting a special mold to prepare an upper facing of the outer facing 3, pressing the outer facing 3 on the outer side surface of the prefabricated high-strength concrete plate 2 before the prefabricated high-strength concrete plate 2 is completely solidified, filling a gap between the prefabricated high-strength concrete plate 2 and the outer facing 3 by using building glue, and reserving a door and window hole on the outer facing 3;
c. preparing a heat insulation layer 5, reserving a reserved opening 6 on the heat insulation layer 5, and bonding the heat insulation layer 5 and the high-strength concrete slab 2 by using building glue;
d. preparing a light steel structure 7, reserving a mounting hole 9 on the light steel structure 7, sealing a combination body of a high-strength concrete plate 2 and a heat-insulating layer 5 on the light steel structure 7 through high-strength concrete, drilling a thread reserved hole on the inner side surface of the light steel structure 7, and fixing a connector 8 on the light steel structure 7 through a bolt;
e. preparing an inner decoration panel 10, reserving an opening 11 on the inner decoration panel 10, and bonding the inner decoration panel 10 on the inner side surface of the light steel structure 7 by building glue;
f. assembling a fireproof wall body 16 on the inner page of the assembled external wall panel 1 in a seamless butt joint manner;
g. the inside and the outside of the assembled external wall panel 1 are coated with nano ceramic paint as an antifouling protective agent;
(2) assembling the fabricated external wall panel 1 and the building main body 12:
a. a door window opening 14 corresponding to the opening 11, the mounting opening 9, the reserved opening 6 and the door window edge 4 is broken on a building main body 12 to be installed;
b. installing connecting pieces 13 on a building main body 12 to be installed by using bolt pieces, wherein the positions of the connecting pieces 13 and the adaptor pieces 8 correspond to each other one by one, and the connecting pieces 13 are hinged with the adaptor pieces 8;
c. the assembled external wall panels 1 are tiled on the outer side surface of the building main body 12 in a one-to-one butt joint mode, sundries in gaps between the adjacent assembled external wall panels 1 are cleaned up, MS double-wave sealing rubber strips are filled in, and the gaps are filled and decorated finally by building glue and a filling agent.
The high-strength concrete is prepared by adding a water reducing agent, fly ash, F mineral powder, slag, silicon powder and other mixtures to raw materials of cement, sand and stone and producing the mixture by a conventional process.
The exterior facing 3 is made of Polycarbonate (PC), and the whole weight of the prefabricated high-strength concrete plate 2, the exterior facing 3 and the door and window ribs 4 is 120 kg/square meter.
The building glue is specifically composed of one or more than two of 107 glue, 108 glue, 801 glue and 901 glue powder.
The raw materials and the preparation process of the heat preservation and insulation layer 5 are as follows: the glue powder polyphenyl particles are used as a middle layer, inorganic heat-preservation mortar is uniformly coated on the two side surfaces of the middle layer to form a heat-preservation interlayer, a rock wool heat-preservation felt is bonded outside the heat-preservation interlayer, and finally the weight of the obtained heat-preservation and heat-preservation layer 5 is 10 kg/square meter.
The light steel structure 7 is a light steel keel made of hot galvanized sheet strips, and the weight of the light steel keel is 10kg per square meter.
The interior decoration panel 10 is specifically a magnesium substrate surface, raw materials of the magnesium substrate are magnesium oxide with activity of 83-85%, magnesium sulfate with baume degree of 28 and additive materials, wherein the additive materials comprise a modifier, a coagulant, sawdust, fly ash and expanded perlite, and the weight of the finally obtained interior decoration panel 10 is 15 kg/square meter.
The adaptor 8 and the connector 13 are made of hot galvanizing materials, and the total weight of the adaptor 8 and the connector 13 is 5kg per square meter.
The largest dimension of the single wallboard of the fabricated external wallboard 1 is 4.2m multiplied by 13m, and the weight is 160kg per square meter.
In conclusion, the size of the fabricated external wall panel 1 is limited to 4.2m multiplied by 13m, one meter of weight is accumulated to be 160kg, compared with a dry-hanging stone external wall with the weight of 326kg and a prefabricated sandwich heat-insulating concrete slab with the weight of 425kg, the fabricated external wall panel 1 prepared by the invention has the absolute advantage of light weight, and the direct advantage brought by the advantage is convenient for workers to install, adjust, transport, lift and the like; when the light-weight fabricated exterior wall is used for construction, MS double-wave sealing adhesive strips and a blocking, dredging and waterproofing structure are adopted between the fabricated exterior wall panel 1 and the fabricated exterior wall panel 1 for water prevention, and nano ceramic paint from France is preferably selected as an antifouling protective agent on the wall surface; the assembled external wall panel 1 is flexibly and mechanically connected with the building main body 12 through the adaptor 8 and the connecting piece 13, so that the installation and adjustment are convenient, the six-direction adjustment can be realized, and the controllable installation error can be realized; the assembled outer wall adopts a light steel keel and high-strength concrete combined structure system, namely, the light steel keel is used as a structural member of the wall board and forms a wall board main body together with the high-strength concrete; the assembled outer wall is provided with a personalized outer decorative surface texture system, and various textures of the outer decorative surface can be processed through a special mold; the assembled outer wall adopts the A-level fireproof assembled inner leaf wall technology, and the assembled inner leaf wall, namely a fireproof wall body, is flexible to assemble and can be in seamless butt joint; when the assembled external wall panel is prepared, a large number of dies are not needed, labor and materials are saved, the size of the obtained single assembled external wall panel is large, light weight is achieved in the aspect of weight, and the selected materials are high in strength, long in service life and high in recovery rate.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (1)

1. A light-duty assembled outer wall, includes assembled side fascia (1) and building subject (12), its characterized in that: the outer side of the building main body (12) is paved with an assembled outer wall board (1), the assembled outer wall board (1) comprises a prefabricated high-strength concrete board (2), a heat insulation layer (5), a light steel structure (7), an inner decoration panel (10), a door and window structure body (15) and a fireproof wall body (16), the outer side surface of the prefabricated high-strength concrete board (2) is covered with an outer decoration surface (3), a door and window edge (4) is installed in the middle of the prefabricated high-strength concrete board (2), the inner side of the prefabricated high-strength concrete board (2) is provided with the heat insulation layer (5), a reserved opening (6) is formed in the middle of the heat insulation layer (5), the light steel structure (7) is arranged on the inner side of the heat insulation layer (5), adapter pieces (8) are evenly arranged on the inner side surface of the light steel structure (7), and a placement opening (9) is formed in the middle, the inner side of the light steel structure (7) is provided with an inner decoration panel (10), an opening (11) is formed in the middle of the inner decoration panel (10), the outer side wall of the assembled external wall panel (1) is provided with a fireproof wall body (16), connecting pieces (13) are uniformly arranged on the outer edge of the building main body (12), a door and window opening (14) is formed in the middle of the building main body (12), and the construction method of the light assembled external wall comprises the following process steps:
(1) manufacturing the fabricated external wall panel (1):
a. selecting high-strength concrete as a base material, adding water for fusion, stirring, molding in a mold, cooling, curing and demolding to prepare a prefabricated high-strength concrete plate (2), reserving a door and window hole in the prefabricated high-strength concrete plate (2), and additionally arranging a door and window edge (4) at the position of the door and window hole;
b. selecting a special mold to prepare an upper facing of the outer facing (3), pressing the outer facing (3) on the outer side surface of the prefabricated high-strength concrete plate (2) before the prefabricated high-strength concrete plate (2) is completely solidified, filling a gap between the prefabricated high-strength concrete plate (2) and the outer facing (3) by using building glue, and reserving a door and window hole on the outer facing (3);
c. preparing a heat insulation layer (5), reserving a reserved opening (6) on the heat insulation layer (5), and bonding the heat insulation layer (5) and the prefabricated high-strength concrete slab (2) by using building glue;
d. preparing a light steel structure (7), reserving a mounting hole (9) on the light steel structure (7), sealing and fixing a prefabricated high-strength concrete plate (2) and heat insulation layer (5) assembly on the light steel structure (7) through high-strength concrete, drilling a thread reserved hole on the inner side surface of the light steel structure (7), and fixing a connector (8) on the light steel structure (7) through a bolt;
e. preparing an inner decoration panel (10), reserving an opening (11) on the inner decoration panel (10), and bonding the inner decoration panel (10) on the inner side surface of the light steel structure (7) by building glue;
f. assembling the fireproof wall body (16) on the inner page of the assembled external wall panel (1) in a seamless butt joint manner;
g. the inside and the outside of the assembled external wall panel (1) are coated with nano ceramic paint as an antifouling protective agent;
(2) assembling the assembled external wall panel (1) and the building main body (12):
a. a door window opening (14) corresponding to the opening (11), the placing opening (9), the reserved opening (6) and the door window edge (4) is broken on the building main body (12) to be installed;
b. connecting pieces (13) are installed on a building main body (12) to be installed by using bolt pieces, the positions of the connecting pieces (13) and the adaptor pieces (8) are in one-to-one correspondence, and the connecting pieces (13) are hinged with the adaptor pieces (8);
c. the assembled external wall panels (1) are flatly paved on the outer side surface of the building main body (12) in a one-to-one butt joint mode, MS double-wave sealing rubber strips are filled after sundries in gaps between the adjacent assembled external wall panels (1) are cleaned up, and the gap is finally filled and decorated by adopting building glue and a filling agent, the high-strength concrete is the high-strength concrete which is obtained by producing the mixture of cement, sand and stone raw materials, a water reducing agent, fly ash, F mineral powder, slag and silica powder by a conventional process, the exterior facing (3) is made of polycarbonate PC material, the whole weight of the prefabricated high-strength concrete plate (2), the exterior facing (3) and the door and window ribs (4) is 120kg per square meter, the building glue is specifically composed of one or two or more of 107 glue, 108 glue, 801 glue and 901 glue powder, and the heat-insulating layer (5) is prepared from the following raw materials in a preparation process: the method comprises the steps of taking rubber powder polyphenyl particles as a middle layer, uniformly coating inorganic heat-insulation mortar on two side faces of the middle layer to form a heat-insulation interlayer, adhering a rock wool heat-insulation felt outside the heat-insulation interlayer, wherein the finally obtained heat-insulation layer (5) is 10kg per square meter in weight, the light steel structure (7) is a light steel keel made of hot galvanized sheet strips as raw materials, the weight is 10kg per square meter, the interior decoration panel (10) is a magnesium substrate face, the raw materials of the magnesium substrate are magnesium oxide with the activity of 83-85%, magnesium sulfate with the baume degree of 28 and an additive material, the additive material comprises a modifier, a coagulant, sawdust, fly ash and expanded perlite, the finally obtained interior decoration panel (10) is 15kg per square meter in weight, the adapter piece (8) and the connecting piece (13) are made of hot galvanized materials, and the total weight of the adapter piece (8) and the connecting piece (13) is 5kg per, the maximum size of a single wallboard of the assembled external wallboard (1) is 4.2m multiplied by 13m, and the weight is 160kg per square meter.
CN201910009956.0A 2019-01-06 2019-01-06 Light-weight assembled outer wall and construction method thereof Active CN109736475B (en)

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US11396749B2 (en) * 2020-01-21 2022-07-26 Mitek Holdings, Inc. Exterior wall system

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Publication number Priority date Publication date Assignee Title
CN205100427U (en) * 2015-10-16 2016-03-23 中国十七冶集团有限公司 Compound concrete outer wall board of prefabricated heat preservation
CN105804297A (en) * 2014-12-30 2016-07-27 宝钢建筑系统集成有限公司 Prefabricated building external wall system and construction method thereof
CN107460983A (en) * 2017-08-23 2017-12-12 上海君道住宅工业有限公司 Light steel compound external wall panel of assembled and preparation method thereof
CN108086582A (en) * 2016-11-21 2018-05-29 济南汇富建筑工业有限公司 A kind of prefabricated assembled concrete wallboard for fabricated construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105804297A (en) * 2014-12-30 2016-07-27 宝钢建筑系统集成有限公司 Prefabricated building external wall system and construction method thereof
CN205100427U (en) * 2015-10-16 2016-03-23 中国十七冶集团有限公司 Compound concrete outer wall board of prefabricated heat preservation
CN108086582A (en) * 2016-11-21 2018-05-29 济南汇富建筑工业有限公司 A kind of prefabricated assembled concrete wallboard for fabricated construction
CN107460983A (en) * 2017-08-23 2017-12-12 上海君道住宅工业有限公司 Light steel compound external wall panel of assembled and preparation method thereof

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