CN109881840B - Light composite wallboard and manufacturing method - Google Patents
Light composite wallboard and manufacturing method Download PDFInfo
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- CN109881840B CN109881840B CN201910278948.6A CN201910278948A CN109881840B CN 109881840 B CN109881840 B CN 109881840B CN 201910278948 A CN201910278948 A CN 201910278948A CN 109881840 B CN109881840 B CN 109881840B
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- concrete
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- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000006260 foam Substances 0.000 claims abstract description 74
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 235000000396 iron Nutrition 0.000 claims abstract description 18
- 238000004321 preservation Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 229910000746 Structural steel Inorganic materials 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a light composite wallboard and a manufacturing method thereof, comprising a concrete inner panel (1), a concrete outer panel (2), an interlayer foam insulation board (3) between the concrete inner panel and the concrete outer panel, corner angles (4), an inner panel reinforcing steel bar net (5 a) and an outer panel reinforcing steel bar net (5 b); the method comprises the steps of using a rectangular plane female die (A), respectively arranging corner angle irons (4) with the depth consistent with that of the female die at four corners of the female die (A), welding an inner panel reinforcing steel bar net (5 a) on the corner angle irons (4), injecting concrete trowelling to form a concrete inner panel (1) in the female die (A), arranging rectangular foam heat-insulating plates (3) and foam heat-insulating blocks (31) on the surface of the concrete inner panel (1), welding four corners of an outer panel reinforcing steel bar net (5 b) with the corner angle irons (4), injecting concrete trowelling in the female die (A), forming a concrete outer panel (2), curing and solidifying to obtain the light composite wallboard. The manufacturing method is simple, and the manufactured light composite wallboard has good heat preservation and high strength.
Description
Technical Field
The invention relates to a light composite wallboard and a manufacturing method thereof, in particular to a light composite wallboard which has good heat preservation, high strength and simple and convenient combined use, and is particularly suitable for assembling and using rural building houses.
Background
Today, the assembled building is gradually popularized, and the light composite wallboard has various varieties and own characteristics.
Disclosure of Invention
The invention aims to provide a light composite wallboard for a flat house, which has good heat preservation and high strength, is simple and convenient to use in a combined way, and is particularly suitable for assembling and using in rural building houses.
The invention relates to a light composite wallboard, which comprises a concrete inner panel 1, a concrete outer panel 2, an interlayer foam heat-insulating board 3 between the concrete inner panel and the concrete outer panel, corner angles 4, an inner panel reinforcing steel bar net 5a and an outer panel reinforcing steel bar net 5b;
the inner side surface of the concrete inner panel 1/the concrete outer panel 2 is provided with reinforcing ribs 11 in a rectangular grid distribution, each reinforcing rib 11 is provided with connecting convex blocks 12 in an interval distribution, the connecting convex blocks 12 are integrally connected with the concrete outer panel 2/the concrete inner panel 1, and each rectangular grid formed by the reinforcing ribs 11 is provided with connecting columns 14 integrally connected between the concrete inner panel 1 and the concrete outer panel 2;
each cavity formed between the concrete inner panel 1 and the concrete outer panel 2 is internally provided with a foam heat-insulating plate 3 and a foam heat-insulating block 31;
corner angle irons 4 are arranged at four corners of the formed composite wallboard;
an inner panel reinforcing steel bar net 5a is arranged in the concrete inner panel 1, and an outer panel reinforcing steel bar net 5b is arranged in the concrete outer panel 2; the inner panel reinforcing steel bar net 5a and the outer panel reinforcing steel bar net 5b are formed by a plurality of reinforcing steel bars 51 which are distributed vertically and horizontally;
the two ends of the steel bars 511 at the four outer sides of the inner panel reinforcing steel bar mesh 5a and the outer panel reinforcing steel bar mesh 5b are welded with the corner angle irons 4, so that each corner angle iron 4 is firmly fixed at four corners of the composite wallboard;
the window 6 on the composite wallboard is formed by the concrete inner panel 1 and the concrete outer panel 2 in which the rectangular lattice formed by the reinforcing ribs 11 is hollow.
The light composite wallboard for the flat house has good heat preservation property, high strength and simple and convenient combined use, and is particularly suitable for assembling and using the rural building houses.
The manufacturing method of the light composite wallboard comprises the following steps:
1. a rectangular plane female die A is used;
2. as shown in fig. 11, corner angle irons 4 with the depth consistent with that of the female die are respectively arranged at four corners of the female die A, four corners of an inner panel reinforcing steel bar net 5a formed by a plurality of reinforcing steel bars 51 distributed vertically and horizontally are welded with the corner angle irons 4, and the inner panel reinforcing steel bar net 5a and the bottom surface of the female die A form a certain interval; filling concrete into the female die A for trowelling, and accommodating the inner panel reinforcing steel bar net 5a therein to form a concrete inner panel 1;
3. as shown in fig. 12, a rectangular foam insulation board 3 is placed on the surface of the concrete inner panel 1 obtained in the step 2, and a certain distance is reserved between the foam insulation board 3 and four sides of the inner side of the female die A, namely a peripheral groove C1 is formed; the foam heat-insulating plates 3 in the interior are mutually spaced at a certain distance to form internal grooves C2, and the internal grooves C2 form cross-shaped distribution;
foam heat-insulating blocks 31 are arranged on the surface of the concrete inner panel 1 in the peripheral grooves C1 and the inner grooves C2 at intervals, grooves C3 are formed between the two foam heat-insulating blocks 31, and the upper end surfaces 31 'of the foam heat-insulating blocks 31 are lower than the upper end surfaces 3' of the foam heat-insulating plates 3;
through holes K are distributed on the plate surface of each foam heat-insulating plate 3,
4. in the groove C3 formed between the two foam heat insulation blocks 31, concrete is injected into the through holes K distributed on the board surface of each foam heat insulation board 3 in the peripheral groove C1 and the inner groove C2; the rectangular grid reinforcing ribs 11 are formed by the peripheral grooves C1 and the inner grooves C2, namely the peripheral reinforcing ribs 11a and the inner reinforcing ribs 11b are formed; the height difference between the upper end surface 31 'of the foam heat insulation block 31 and the upper end surface 3' of the foam heat insulation plate 3 forms the height of the reinforcing rib 11;
the grooves C3 formed between the foam heat-insulating blocks 31 form connecting convex blocks 12 which are distributed on the rectangular grid reinforcing ribs 11 at intervals;
through holes K formed and connected with the columns 14 are distributed on the surface of each foam insulation board 3;
5. the four corners of an outer panel reinforcing steel bar net 5b formed by a plurality of reinforcing steel bars 51 distributed vertically and horizontally are welded with corner angle irons 4, and the outer panel reinforcing steel bar net 5b and the outer plane of a female die A form a certain interval;
6. injecting concrete into the female die A on the foam heat-insulating plate 3 for trowelling, and accommodating the outer panel reinforcing steel bar net 5b therein to form a concrete outer panel 2;
7. curing and solidifying to obtain the light composite wallboard.
The manufacturing method of the light composite wallboard is simple, and the manufactured light composite wallboard has good heat preservation and high strength.
Drawings
Fig. 1, 2, 3, 4 are schematic structural views of an embodiment of the lightweight composite wallboard of the present invention, wherein fig. 1 is a front view, fig. 2 is a top view of fig. 1, fig. 3 is a cross-sectional view A-A of fig. 1, and fig. 4 is a cross-sectional view B-B of fig. 1.
Fig. 5 is an isometric view of an embodiment of the lightweight composite wallboard of the present invention, showing the appearance of the lightweight composite wallboard in which the lateral and vertical sides are both open.
Fig. 6 is an exterior perspective view of an embodiment of the lightweight composite wall panel of the present invention showing the open appearance of the lateral side surfaces of the lightweight composite wall panel and the closed appearance of the vertical side surfaces.
Fig. 7 is a sectional view taken along line D-D, E-E of fig. 4, showing that the inner panel reinforcing mesh 5a is provided in the concrete inner panel 1 and the outer panel reinforcing mesh 5b is provided in the concrete outer panel 2.
Fig. 8 is a schematic structural view of the concrete inner panel 1 or the concrete outer panel 2 of the light composite wallboard embodiment of the present invention, which shows that four peripheral reinforcing ribs 11a and middle reinforcing ribs 11b are arranged between the concrete inner panel 1 or the concrete outer panel 2, connecting lugs 12 are arranged on the reinforcing ribs, and connecting columns 14 are arranged between the concrete inner panel 1 or the concrete outer panel 2.
Fig. 9 is a schematic structural view of the concrete inner panel 1 or the concrete outer panel 2 of the light composite wallboard embodiment of the present invention, which shows that four peripheral reinforcing ribs 11a, middle reinforcing ribs 11b are arranged between the concrete inner panel 1 or the concrete outer panel 2, connecting lugs 12 are arranged on the reinforcing ribs, and connecting columns 14 are arranged between the concrete inner panel 1 or the concrete outer panel 2; one side vertical side surface of the light composite wallboard is a closed vertical side surface 10.
Fig. 10 is a view showing the right angle butt joint assembly of two lightweight composite wall panels according to the present invention.
Fig. 11 is a schematic process diagram of the method for manufacturing the light composite wallboard, which shows that corner angle irons 4 are respectively arranged at four corners of a rectangular plane female die A, and four corners of an inner panel reinforcing steel bar net 5a formed by a plurality of vertically and horizontally distributed reinforcing steel bars 51 are welded with the corner angle irons 4.
Fig. 12 is a schematic view of the process of the method for manufacturing a lightweight composite wallboard according to the present invention, which shows a state in which a rectangular foam insulation board 3 and an insulating foam insulation block 31 are placed on the surface of a concrete floor formed by trowelling injected concrete.
FIG. 13 shows the placement of rectangular foam insulation panels on the surface of a poured concrete slab that is smoothed to form a concrete floor
3. Insulating foam insulation blocks 31, foam insulation strips 32 which form the left or right vertical edge 16 of the light composite wallboard
The surface is a complete concrete face.
Detailed Description
The invention relates to a light composite wallboard, which comprises a concrete inner panel 1, a concrete outer panel 2, an interlayer foam heat-insulating board 3 between the concrete inner panel and the concrete outer panel, corner angles 4, an inner panel reinforcing steel bar net 5a and an outer panel reinforcing steel bar net 5b;
the inner side surface of the concrete inner panel 1 or the concrete outer panel 2 is provided with reinforcing ribs 11 in a rectangular grid distribution, each reinforcing rib 11 is provided with connecting convex blocks 12 in an interval distribution, the connecting convex blocks 12 are integrally connected with the concrete outer panel 2 or the concrete inner panel 1, and each rectangular grid formed by the reinforcing ribs 11 is provided with connecting columns 14 integrally connected between the concrete inner panel 1 and the concrete outer panel 2;
each cavity formed between the concrete inner panel 1 and the concrete outer panel 2 is internally provided with a foam heat-insulating plate 3 and a foam heat-insulating block 31;
corner angle irons 4 are arranged at four corners of the formed composite wallboard;
an inner panel reinforcing steel bar net 5a is arranged in the concrete inner panel 1, and an outer panel reinforcing steel bar net 5b is arranged in the concrete outer panel 2; the inner panel reinforcing steel bar net 5a and the outer panel reinforcing steel bar net 5b are formed by a plurality of reinforcing steel bars 51 which are distributed vertically and horizontally;
the two ends of the steel bars 511 at the four outer sides of the inner panel reinforcing steel bar mesh 5a and the outer panel reinforcing steel bar mesh 5b are welded with the corner angle irons 4, so that each corner angle iron 4 is firmly fixed at four corners of the composite wallboard;
the window 6 on the composite wallboard is formed by the concrete inner panel 1 and the concrete outer panel 2 in which the rectangular lattice formed by the reinforcing ribs 11 is hollow.
The invention discloses a manufacturing method of a light composite wallboard, which comprises the following steps:
1. a rectangular plane female die A is used;
2. as shown in fig. 11, corner angle irons 4 with the depth consistent with that of the female die are respectively arranged at four corners of the female die A, four corners of an inner panel reinforcing steel bar net 5a formed by a plurality of reinforcing steel bars 51 distributed vertically and horizontally are welded with the corner angle irons 4, and the inner panel reinforcing steel bar net 5a and the bottom surface of the female die A form a certain interval; filling concrete into the female die A for trowelling, and accommodating the inner panel reinforcing steel bar net 5a therein to form a concrete inner panel 1;
3. as shown in fig. 12, a rectangular foam insulation board 3 is placed on the surface of the concrete inner panel 1 obtained in the step 2, and a certain distance is reserved between the foam insulation board 3 and four sides of the inner side of the female die A, namely a peripheral groove C1 is formed; the foam heat-insulating plates 3 in the interior are mutually spaced at a certain distance to form internal grooves C2, and the internal grooves C2 form cross-shaped distribution; foam heat-insulating blocks 31 are arranged on the surface of the concrete inner panel 1 in the peripheral grooves C1 and the inner grooves C2 at intervals, grooves C3 are formed between the two foam heat-insulating blocks 31, and the upper end surfaces 31 'of the foam heat-insulating blocks 31 are lower than the upper end surfaces 3' of the foam heat-insulating plates 3;
through holes K are distributed on the plate surface of each foam heat-insulating plate 3,
4. in the groove C3 formed between the two foam heat insulation blocks 31, concrete is injected into the through holes K distributed on the board surface of each foam heat insulation board 3 in the peripheral groove C1 and the inner groove C2;
the rectangular grid reinforcing ribs 11 are formed by the peripheral grooves C1 and the inner grooves C2, namely the peripheral reinforcing ribs 11a and the inner reinforcing ribs 11b are formed; the height difference between the upper end surface 31 'of the foam heat insulation block 31 and the upper end surface 3' of the foam heat insulation plate 3 forms the height of the reinforcing rib 11;
the grooves C3 formed between the two foam heat-insulating blocks 31 form connecting convex blocks 12 which are distributed on the rectangular grid reinforcing ribs 11 at intervals;
through holes K formed and connected with the columns 14 are distributed on the surface of each foam insulation board 3;
5. the four corners of an outer panel reinforcing steel bar net 5b formed by a plurality of reinforcing steel bars 51 distributed vertically and horizontally are welded with corner angle irons 4, and the outer panel reinforcing steel bar net 5b and the outer plane of a female die A form a certain interval;
6. injecting concrete into the female die A on the foam heat-insulating plate 3 for trowelling, and accommodating the outer panel reinforcing steel bar net 5b therein to form a concrete outer panel 2;
7. curing and solidifying to obtain the light composite wallboard.
Referring to fig. 12 and 13, an inner frame a 'is arranged in the female die a, and the inner frame a' is hollow to form a window.
Referring to fig. 13, a foam heat-insulating strip 32 is arranged on the left side or the right side in the female die a, a spacing between the foam heat-insulating strip 32 and the inner side of the female die a is formed, namely an edge groove C4 is formed, the upper end face 32 'of the foam heat-insulating strip 32 is leveled with the upper plane of the female die a, connecting grooves 321 are distributed at the upper end of the foam heat-insulating strip 32, and the bottom surface of the connecting grooves 321 is leveled with the upper end face 31' of the foam heat-insulating block 31; putting 1-3 concrete blocks 35 into the vertical edge groove C4 to extrude and fix the foam heat preservation strips 32, and injecting concrete into the vertical edge groove C4 to form a left vertical edge or a right vertical edge 16 of the concrete, so that the left vertical edge or the right vertical edge of the light composite wallboard is closed by the concrete; the concrete in the connecting groove 321 forms a connection body of the concrete outer panel 2 and the concrete left or right standing edge 16.
The foam heat-insulating plate 3, the foam heat-insulating blocks 31 and the foam heat-insulating strips 32 form a cold-insulating bridge cut-off at the intervals of the concrete inner panel 1, the concrete outer panel 2 and the concrete left or right vertical edge 16.
Referring to fig. 11, a through hole 41 is formed in the corner angle iron 4, and a nut 42 is welded at the inner side of the corner angle iron 4 corresponding to the through hole 41 and is used for connecting a boom to hoist when the light composite wallboard is transported, assembled and disassembled.
Claims (3)
1. A manufacturing method of a light composite wallboard is characterized in that:
(1) Using a rectangular planar female die (a);
(2) The four corners of the female die (A) are respectively provided with corner angle irons (4) with the depth consistent with that of the female die, four corners of an inner panel reinforcing steel bar net (5 a) formed by a plurality of reinforcing steel bars (51) distributed vertically and horizontally are welded with the corner angle irons (4), and the inner panel reinforcing steel bar net (5 a) and the bottom surface of the female die (A) form a certain interval; filling concrete into the female die (A) for trowelling, and accommodating the inner panel reinforcing steel bar net (5 a) therein to form a concrete inner panel (1);
(3) Placing a rectangular foam heat-insulating plate (3) on the surface of the concrete inner panel (1) obtained in the step (2), and leaving a certain distance between the foam heat-insulating plate (3) and four sides of the inner side of the female die (A), namely forming a peripheral groove (C1); the foam heat-insulating plates (3) in the interior are spaced with a certain distance to form internal grooves (C2), and the internal grooves (C2) form cross-shaped distribution;
foam heat insulation blocks (31) are distributed on the surface of the concrete inner panel (1) in the peripheral grooves (C1) and the inner grooves (C2) at intervals, grooves (C3) are formed between the two foam heat insulation blocks (31), and the upper end face (31 ') of the foam heat insulation blocks (31) is lower than the upper end face (3') of the foam heat insulation board (3);
through holes (K) are distributed on the plate surface of each foam heat-insulating plate (3),
(4) In the grooves (C3) formed between the two foam heat insulation blocks (31), concrete is injected into through holes (K) distributed on the surface of each foam heat insulation plate (3) in the inner grooves (C2) in the peripheral grooves (C1);
the peripheral grooves (C1) and the inner grooves (C2) form rectangular grid reinforcing ribs (11), namely four peripheral reinforcing ribs (11 a) and inner reinforcing ribs (11 b); the height difference between the upper end surface (31 ') of the foam heat insulation block (31) and the upper end surface (3') of the foam heat insulation plate (3) forms the height of the reinforcing rib (11);
connecting convex blocks (12) which are distributed at intervals on rectangular grid reinforcing ribs (11) are formed by grooves (C3) formed between the foam heat insulation blocks (31);
through holes (K) formed and connecting columns (14) are distributed on the surface of each foam heat-insulating plate (3);
(5) The four corners of an outer panel reinforcing steel bar net (5 b) formed by a plurality of reinforcing steel bars (51) distributed vertically and horizontally are welded with corner angle irons (4), and the outer panel reinforcing steel bar net (5 b) and the outer plane of a female die (A) form a certain interval;
(6) Injecting concrete into the female die (A) on the foam heat-insulating plate (3) for trowelling, and accommodating the reinforcing steel bar net (5 b) of the outer panel into the female die to form the concrete outer panel (2);
(7) Curing and solidifying to obtain the light composite wallboard.
2. The method for manufacturing the light composite wallboard according to claim 1, wherein the method comprises the following steps:
a foam heat preservation strip (32) is arranged on the left side or the right side in the female die (A), a spacing reserved between the foam heat preservation strip (32) and the inner side of the female die (A) is formed, namely an edge groove (C4) is formed, the upper end face (32 ') of the foam heat preservation strip (32) is leveled with the upper plane of the female die (A), connecting grooves (321) are distributed at the upper end of the foam heat preservation strip (32), and the bottom face of each connecting groove (321) is leveled with the upper end face (31') of each foam heat preservation block (31); 1-3 concrete blocks (35) are placed in the vertical edge grooves (C4) to extrude and fix the foam heat preservation strips (32), concrete is injected into the vertical edge grooves (C4) to form left or right vertical edges (16) of the concrete, and the left or right vertical edges of the light composite wallboard are closed by the concrete; the concrete in the connecting groove (321) forms a connecting body of the concrete outer panel (2) and the left or right vertical edge (16) of the concrete: the corner angle iron (4) is provided with a through hole (41), and a nut (42) is welded at the inner side of the corner angle iron (4) corresponding to the through hole and is used for connecting a suspender to hoist when the light composite wallboard is transported, assembled and disassembled.
3. A lightweight composite wallboard made by the method of claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278948.6A CN109881840B (en) | 2019-04-09 | 2019-04-09 | Light composite wallboard and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910278948.6A CN109881840B (en) | 2019-04-09 | 2019-04-09 | Light composite wallboard and manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN109881840A CN109881840A (en) | 2019-06-14 |
| CN109881840B true CN109881840B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910278948.6A Active CN109881840B (en) | 2019-04-09 | 2019-04-09 | Light composite wallboard and manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109881840B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217256A (en) * | 2022-07-29 | 2022-10-21 | 南京旭丰绿色建筑科技有限公司 | Reinforced composite simple-assembly sound-insulation heat-preservation prefabricated slab and preparation method thereof |
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| CN1480604A (en) * | 2003-07-23 | 2004-03-10 | 张英保 | Concrete composite wallboard |
| CN1538013A (en) * | 2003-10-22 | 2004-10-20 | 张英保 | Concrete composite wall board and its building structure and construction method |
| AU2009200924A1 (en) * | 2008-03-12 | 2009-10-01 | Building Green Panel Pty Ltd | High-strength steel mesh wall panel |
| CN202007460U (en) * | 2010-10-09 | 2011-10-12 | 唐山北极熊建材有限公司 | Waterproof heat-insulating board for cement-based building |
| CN105822009A (en) * | 2016-05-04 | 2016-08-03 | 北京珠穆朗玛绿色建筑科技有限公司 | Concrete heat preservation composite component plate, outer wall building envelope and assembling method |
| WO2017197852A1 (en) * | 2016-05-16 | 2017-11-23 | 史世英 | Fire-prevention, insulation, noise-elimination combined floor slab |
| CN207277674U (en) * | 2017-09-26 | 2018-04-27 | 杭州泽通建筑节能新材料有限公司 | Armored concrete and air entrained concrete composite thermo-insulating wall board |
| CN210636674U (en) * | 2019-04-09 | 2020-05-29 | 闫明李 | Light composite wall board |
-
2019
- 2019-04-09 CN CN201910278948.6A patent/CN109881840B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480604A (en) * | 2003-07-23 | 2004-03-10 | 张英保 | Concrete composite wallboard |
| CN1538013A (en) * | 2003-10-22 | 2004-10-20 | 张英保 | Concrete composite wall board and its building structure and construction method |
| AU2009200924A1 (en) * | 2008-03-12 | 2009-10-01 | Building Green Panel Pty Ltd | High-strength steel mesh wall panel |
| CN202007460U (en) * | 2010-10-09 | 2011-10-12 | 唐山北极熊建材有限公司 | Waterproof heat-insulating board for cement-based building |
| CN105822009A (en) * | 2016-05-04 | 2016-08-03 | 北京珠穆朗玛绿色建筑科技有限公司 | Concrete heat preservation composite component plate, outer wall building envelope and assembling method |
| WO2017197852A1 (en) * | 2016-05-16 | 2017-11-23 | 史世英 | Fire-prevention, insulation, noise-elimination combined floor slab |
| CN207277674U (en) * | 2017-09-26 | 2018-04-27 | 杭州泽通建筑节能新材料有限公司 | Armored concrete and air entrained concrete composite thermo-insulating wall board |
| CN210636674U (en) * | 2019-04-09 | 2020-05-29 | 闫明李 | Light composite wall board |
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| CN109881840A (en) | 2019-06-14 |
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