CN112324017A - Lightweight concrete reinforced mesh frame composite thermal insulation wall panel and installation method thereof - Google Patents
Lightweight concrete reinforced mesh frame composite thermal insulation wall panel and installation method thereof Download PDFInfo
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- CN112324017A CN112324017A CN202011461364.1A CN202011461364A CN112324017A CN 112324017 A CN112324017 A CN 112324017A CN 202011461364 A CN202011461364 A CN 202011461364A CN 112324017 A CN112324017 A CN 112324017A
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- thermal insulation
- wall panel
- lightweight concrete
- reinforced mesh
- frame composite
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- 239000004567 concrete Substances 0.000 title claims abstract description 58
- 238000009413 insulation Methods 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 12
- 239000002002 slurry Substances 0.000 claims description 23
- 210000001503 joint Anatomy 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 16
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000011381 foam concrete Substances 0.000 claims description 2
- 239000011426 gypsum mortar Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000011429 hydraulic mortar Substances 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000011433 polymer cement mortar Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 11
- 239000011414 polymer cement Substances 0.000 description 9
- 239000011162 core material Substances 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/7401—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails
- E04B2/7403—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails with special measures for sound or thermal insulation including fire protection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
本发明提供了一种轻质混凝土钢筋网架复合保温墙板。主要用于装配式建筑的外围护非承重墙体，其特征在于将钢筋网架与保温板、轻质混凝土层连接成一体的立体组合轻质墙板。克服现有技术的弊端，达到了保温与结构一体化的技术要求，实现了建筑保温与结构同寿命的目的。具有重量轻、强度高、保温效果好、防火、防开裂、使用寿命长、安装施工方便、工程造价低等特点，具有明显的技术进步和突出的技术优势。
The invention provides a lightweight concrete reinforced mesh frame composite thermal insulation wallboard. It is mainly used for the outer protective non-load-bearing wall of prefabricated buildings. The disadvantages of the prior art are overcome, the technical requirement of thermal insulation and structure integration is achieved, and the purpose of building thermal insulation and structure with the same lifespan is achieved. It has the characteristics of light weight, high strength, good thermal insulation effect, fire prevention, anti-cracking, long service life, convenient installation and construction, and low engineering cost. It has obvious technological progress and outstanding technical advantages.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a lightweight concrete reinforced bar net frame composite heat-insulation wallboard for an external protective non-bearing wall body of an assembled building and an installation method thereof.
Technical Field
Along with the development of the prefabricated building in China, various prefabricated wallboards are produced, the light concrete wallboard used for the outer enclosure non-bearing wall of the prefabricated building is prefabricated and formed in a factory at present, and the prefabricated building has the advantages of light weight, simple structure, energy conservation, environmental protection, convenience in construction, low construction cost and the like, but the prior art has the following problems:
1. when the existing lightweight concrete wallboard is produced in a factory, because of the limitation of the production technical level, only one layer or two layers of reinforcing mesh sheets are arranged in the lightweight concrete, and a reinforcing mesh frame structure is not formed, so that the bending strength and the bending strength of the wallboard are relatively low, and certain quality potential safety hazards exist when the wallboard is applied to an exterior wall enclosure structure of a building.
2. The existing lightweight concrete wallboard is prefabricated by adopting a single material, has large heat conductivity coefficient and poor heat insulation performance, and is difficult to meet the design standard requirement of energy-saving buildings in northern areas of China. If the wallboard is used in northern areas of China, the outer side of the wallboard needs to be pasted with an insulation board for external insulation treatment, so that the construction process is complex, and the problems of hollowness, cracking, water seepage, falling, ignition, poor durability and the like exist.
3. The plate joint connection of the existing lightweight concrete wallboard mostly adopts a mode of a concave-convex mortise, the plate joint structure is complex, sealing materials are difficult to embed and fill, the plate joint is easy to crack due to improper treatment, cold air and rainwater infiltration are caused, and the heat insulation effect and the engineering quality of the wall body are influenced.
Disclosure of Invention
In order to overcome various defects in the prior art, the invention provides a light concrete reinforced bar net frame composite heat-insulation wallboard for an external protective non-bearing wall body of an assembly type building and an installation method thereof. The invention relates to a three-dimensional combined light wallboard which integrates a reinforcing steel bar net rack, a heat insulation board and a light concrete layer, and realizes the same service life of heat insulation and structure. The slab joints are subjected to double-groove grouting or L-shaped lap joint treatment, and the formed wall has the obvious technical advantages of light weight, high strength, good heat preservation effect, fire resistance, cracking resistance, long service life, convenience in installation and construction, low engineering cost and the like.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides a light concrete reinforcing bar net frame composite insulation wallboard, includes light concrete layer, heated board, reinforcing bar net piece, reinforcing bar web member, light concrete layer arranges the heated board both sides, reinforcing bar net piece is arranged in respectively in the light concrete layer of both sides, reinforcing bar web member passes the heated board and is connected with the reinforcing bar net piece of both sides. According to design calculation requirements, the insulation board with certain thickness and combustion performance not lower than B1 grade is selected as a core material, and the reinforcing steel bar web members penetrate through the insulation board to be connected with reinforcing steel bar meshes on two sides, so that a reinforcing steel bar net rack with the insulation board core material is formed. The mode that the reinforcing bar web member passes through the heat preservation board core material is any one or combination of straight insertion and inclined insertion. The connection mode of the reinforcing bar web members and the reinforcing bar net sheets on the two sides is any one or the combination of two or more than two of welding, screws, bolts and buckles.
And further, placing the reinforcing steel bar net rack with the heat insulation plate core material in a mould box, then pouring lightweight concrete, and removing the mould to maintain to form the lightweight concrete reinforcing steel bar net rack composite heat insulation plate, wherein the poured lightweight concrete is any one of aerated concrete, foam concrete and lightweight aggregate concrete.
Furthermore, the butt joint groove, the L-shaped embedded notch and the lap joint notch on the wallboard can be molded in a mold box by one-time casting, and can also be molded in a secondary mode through mechanical cutting after the mold is disassembled and maintained. According to wallboard erection joint mode can divide into: the wall comprises four types of external hanging butt joint type wall boards, external hanging lap joint type wall boards, embedded butt joint type wall boards and embedded lap joint type wall boards.
Further, two horizontal and two vertical terminal surfaces of external butt joint formula wallboard all have the butt joint recess, and its mounting means is: fixing the metal connecting piece on the main body structure, then placing the wallboard on the metal connecting piece, utilizing the metal connecting piece to support the wallboard, respectively connecting the upper end and the lower end of the wallboard with the main body structure by bolts, and finally filling bonding heat preservation slurry in the transverse butt joint groove and the vertical butt joint groove of the wallboard or filling bonding slurry after inserting the heat preservation plate.
Furthermore, two vertical end faces of the externally-hung lap joint type wallboard are provided with butt joint grooves, and two transverse end faces are provided with L-shaped lap joint notches. The installation method comprises the following steps: fixing the metal connecting piece on the main structure, then placing the wallboard on the metal connecting piece, after the wallboard is supported by the metal connecting piece, the upper end and the lower end of the wallboard are respectively connected with the main structure by bolts, when the upper wallboard and the lower wallboard are lapped, polymer cement bonding slurry can be filled in the transverse lap joint, and finally, the bonding heat-insulating slurry is filled in the vertical butt joint groove or the bonding slurry is filled after the heat-insulating board is inserted.
Furthermore, two horizontal and two vertical terminal surfaces of embedded dock wallboard all have the butt joint recess, and the wallboard medial surface upper and lower extreme has the embedded notch of "L" type respectively. The installation method comprises the following steps: embedding the L-shaped embedded notch of the wallboard into the main structure, supporting the wallboard by using the main structure beam, connecting the upper end and the lower end of the wallboard with the main structure by using bolts respectively, and finally filling bonding heat-insulating slurry into the transverse and vertical butt-joint grooves of the wallboard or filling bonding slurry after inserting the heat-insulating board.
Further, two vertical terminal surfaces of embedded overlap joint formula wallboard have the butt joint recess, and two horizontal terminal surfaces have embedded notch of "L" type and overlap joint mouth respectively, and its mounting method is: embedding the embedded notch of wallboard "L" type in the major structure earlier, utilize the major structure roof beam to hold the wallboard after, both ends are connected with major structure with the bolt respectively about the wallboard, when upper and lower wallboard overlap joint, can pack polymer cement bonding slurry in horizontal lap joint, fill bonding heat preservation slurry or fill bonding slurry after inserting the heated board in vertical butt joint recess at last.
Furthermore, for the wall body formed by the installation of the different installation modes, after the bonding mortar is adopted to stick the alkali-resistant gridding cloth at the transverse and vertical plate joints of the wall surface, the outer wall surface can be leveled by adopting concrete mortar, thermal insulation mortar or polymer cement slurry. The inner wall surface can be leveled by concrete mortar, polymer cement slurry or gypsum mortar.
Drawings
FIG. 1 is a schematic view of a composite thermal insulation wallboard with externally hung butt-jointed lightweight concrete reinforcing steel bar net racks;
FIG. 2 is a schematic view of the composite thermal insulation wall panel with externally hung lap joint type lightweight concrete reinforcing steel bar net racks;
FIG. 3 is a schematic view of a composite thermal insulation wallboard with an embedded butt joint type lightweight concrete reinforcement mesh frame;
FIG. 4 is a schematic view of a composite thermal insulation wallboard with an embedded lap joint type lightweight concrete reinforcement mesh frame;
FIG. 5 is a vertical sectional view of the externally hung butt-jointed lightweight concrete reinforced frame composite thermal insulation wallboard;
FIG. 6 is a vertical sectional view of the composite thermal insulation wall panel with the externally hung lap joint type lightweight concrete reinforcing steel bar net rack;
FIG. 7 is a vertical sectional view of the composite thermal insulation wall panel with an embedded butt joint type lightweight concrete steel bar net frame;
FIG. 8 is a vertical sectional view of the composite thermal insulation wallboard with embedded lap joint type lightweight concrete reinforcement mesh frames;
FIG. 9 is a transverse cross-sectional view of a lightweight concrete reinforced frame composite thermal insulation wallboard;
FIG. 10 is a schematic view of the connection of the externally hung butt-jointed lightweight concrete reinforced frame composite thermal insulation wall panel;
FIG. 11 is a schematic view showing the connection of the composite thermal insulation wall panel with the externally hung lap joint type lightweight concrete reinforcing steel bar net frame;
FIG. 12 is a schematic view of the connection of the embedded butt-joint type lightweight concrete steel bar mesh frame composite thermal insulation wall panel;
FIG. 13 is a schematic view showing the connection of the embedded lap-joint type lightweight concrete steel bar mesh frame composite thermal insulation wall panel;
FIG. 14 is a schematic view of the connection of the butted vertical grooves of the lightweight concrete steel bar mesh frame composite heat-insulating wall panels;
fig. 15 is a schematic view of the processing of the slab joints and the wall surface of the lightweight concrete reinforced frame composite thermal insulation wallboard.
In the figure: 1. light concrete reinforcing bar net rack composite heat insulation wallboard 2, reinforcing bar web member 3, reinforcing bar net sheet 4, heat insulation board 5, light concrete 6, butt joint groove 7, L-shaped embedded notch 8, L-shaped lap joint notch 9, metal connecting piece 10, building main structure beam 11, bolt 12, bonding heat insulation slurry 13, alkali-resistant mesh cloth 14, polymer cement slurry
Detailed Description
As shown in fig. 5, 6, 7, 8 and 9, the reinforcing bar web members 2 penetrate through the heat-insulating board 4 and are connected with the reinforcing bar net pieces 3 on two sides to form a reinforcing bar net rack with heat-insulating core materials, the reinforcing bar net rack with the heat-insulating core materials is placed in a mould box, the light concrete 5 is synchronously poured around the reinforcing bar net rack, and the light concrete reinforcing bar net rack composite heat-insulating board 1 is formed after demoulding and maintenance.
As shown in fig. 1, 2, 3 and 4, the butt-joint groove 6, the L-shaped embedded notch 7 and the L-shaped lap notch 8 on the wall plate can be molded in a mold box by one-step casting or by mechanical cutting.
As shown in fig. 10, the metal connecting member 9 is fixed on the main structure beam 10, the external butt-jointed wall panel is placed on the metal connecting member 9, the wall panel is supported by the metal connecting member 9, and the upper and lower ends of the wall panel are butt-jointed and then are respectively connected and fixed with the main structure beam 10 by the bolts 11. And the next wallboard is installed by parity of reasoning.
As shown in fig. 11, the metal connecting member 9 is fixed on the main structure beam 10, the external lapping type wall panel is placed on the metal connecting member 9, the wall panel is supported by the metal connecting member 9, and the upper and lower ends of the wall panel are lapped and then fixed to the main structure beam 10 by bolts 11. When the upper plate and the lower plate are lapped, the transverse lap joint seam is filled with polymer cement bonding slurry 14. And the next wallboard is installed by parity of reasoning.
As shown in fig. 12, the L-shaped embedded notch 7 of the wall panel is first embedded into the main structure, the wall panel is supported by the main structure beam 10, and the upper and lower ends of the wall panel are connected and fixed to the main structure beam 10 by bolts 11 after being butted. And the next wallboard is installed by parity of reasoning.
As shown in fig. 13, the L-shaped embedded notch 7 of the wall panel is first embedded into the main structure, the wall panel is supported by the main structure beam 10, and the upper and lower ends of the wall panel are fixed to the main structure beam 10 by bolts 11 after being lapped. When the upper plate and the lower plate are lapped, the transverse lap joint seam is filled with polymer cement bonding slurry 14. And the next wallboard is installed by parity of reasoning.
As shown in fig. 10, 12 and 14, the bonding heat-insulating slurry 12 is poured into the horizontal and vertical butt-joint grooves 6 between the plates to form the lightweight concrete reinforced bar net frame composite heat-insulating wall.
As shown in fig. 15, after the alkali-resistant mesh cloth 13 is pasted with the polymer cement bonding slurry at the joint of the wall surface plate, the polymer cement slurry 14 is used for leveling and plastering.
The foregoing embodiments are merely illustrative of the principles of the invention and its efficacy, and are not to be construed as limiting the invention in any way, except as to the extent that the invention is covered. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. It is therefore contemplated that those skilled in the art will be able to devise various modifications and equivalents without departing from the spirit and scope of the present invention as defined by the appended claims.
In conclusion, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461364.1A CN112324017A (en) | 2020-12-14 | 2020-12-14 | Lightweight concrete reinforced mesh frame composite thermal insulation wall panel and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011461364.1A CN112324017A (en) | 2020-12-14 | 2020-12-14 | Lightweight concrete reinforced mesh frame composite thermal insulation wall panel and installation method thereof |
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| CN112324017A true CN112324017A (en) | 2021-02-05 |
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| CN202011461364.1A Pending CN112324017A (en) | 2020-12-14 | 2020-12-14 | Lightweight concrete reinforced mesh frame composite thermal insulation wall panel and installation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936576A (en) * | 2021-02-23 | 2021-06-11 | 中清大科技股份有限公司 | Production method of thermal insulation external wall panel |
| CN113059681A (en) * | 2021-02-23 | 2021-07-02 | 薄永强 | Production method of thermal insulation external wall panel |
| CN113427628A (en) * | 2021-06-30 | 2021-09-24 | 江苏华伟佳建材科技有限公司 | Light self-insulation concrete wallboard and processing and construction method thereof |
| CN114135049A (en) * | 2021-12-13 | 2022-03-04 | 淄博中鹏环保科技股份有限公司 | Light concrete composite heat-insulating wallboard and preparation method thereof |
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| EP2155980A1 (en) * | 2007-03-28 | 2010-02-24 | Maisons Laprise INC. | Insulated structural wall panel |
| CN203684522U (en) * | 2013-12-31 | 2014-07-02 | 吕燕 | Lightweight composite prefabricated wall plate for house |
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| CN107882261A (en) * | 2017-12-14 | 2018-04-06 | 北京博创绿色建筑科技有限公司 | A kind of assembled building enclosure thermal insulating composite panel |
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| CN110295681A (en) * | 2019-03-14 | 2019-10-01 | 南京东垚环保材料有限公司 | The high-strength foam concrete filled-in panel external wall self-insulation system of precast light |
| CN211622098U (en) * | 2019-12-13 | 2020-10-02 | 广西建工集团有限责任公司 | Semi-embedded external waterproof internal heat insulation external wall panel |
| CN214423691U (en) * | 2020-12-14 | 2021-10-19 | 李当生 | Light concrete reinforced bar net frame composite thermal insulation wall board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2155980A1 (en) * | 2007-03-28 | 2010-02-24 | Maisons Laprise INC. | Insulated structural wall panel |
| CN203684522U (en) * | 2013-12-31 | 2014-07-02 | 吕燕 | Lightweight composite prefabricated wall plate for house |
| CN106499113A (en) * | 2016-12-03 | 2017-03-15 | 青岛科瑞新型环保材料集团有限公司 | One kind is just beating preparation technology without finish coat assembled body of wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936576A (en) * | 2021-02-23 | 2021-06-11 | 中清大科技股份有限公司 | Production method of thermal insulation external wall panel |
| CN113059681A (en) * | 2021-02-23 | 2021-07-02 | 薄永强 | Production method of thermal insulation external wall panel |
| CN113427628A (en) * | 2021-06-30 | 2021-09-24 | 江苏华伟佳建材科技有限公司 | Light self-insulation concrete wallboard and processing and construction method thereof |
| CN114135049A (en) * | 2021-12-13 | 2022-03-04 | 淄博中鹏环保科技股份有限公司 | Light concrete composite heat-insulating wallboard and preparation method thereof |
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