CN113898115A - Straw concrete light steel keel self-insulation wallboard and construction method thereof - Google Patents
Straw concrete light steel keel self-insulation wallboard and construction method thereof Download PDFInfo
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- CN113898115A CN113898115A CN202111227342.3A CN202111227342A CN113898115A CN 113898115 A CN113898115 A CN 113898115A CN 202111227342 A CN202111227342 A CN 202111227342A CN 113898115 A CN113898115 A CN 113898115A
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- keel
- formed thin
- walled steel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
The invention provides a straw concrete light steel keel self-insulation wallboard and a construction method thereof. Two sets of opposite C type cold-formed thin-walled steel fossil fragments parallel arrangement, both ends respectively with sky, ground fossil fragments fixed connection constitute fossil fragments frame, fix two OSB boards in fossil fragments frame's upper and lower terminal surface department, every group opposite C type cold-formed thin-walled steel fossil fragments all include two C type cold-formed thin-walled steel fossil fragments and a plurality of lacing bars, two C type cold-formed thin-walled steel fossil fragments are arranged from top to bottom and the opening just right, lacing bars are fixed on two C type cold-formed thin-walled steel fossil fragments, fill up straw concrete in the space that two OSB boards enclose. The invention utilizes the straw concrete and the novel keel structure to block the cold bridge effect of the cold-bending thin-wall section steel in the wallboard, and improves the heat-insulating property of the wallboard. Meanwhile, the straw concrete prevents the buckling damage of the cold-formed thin-walled steel.
Description
Technical Field
The invention belongs to the field of heat-insulating wallboards, and particularly relates to a straw concrete light steel keel self-heat-insulating wallboard and a construction method thereof, which are used for an outer heat-insulating wallboard of a village and town light steel structure house in a severe cold or cold region.
Background
At present, cold-formed thin-wall section steel light steel keel wall plates utilized at home and abroad mostly adopt a sandwich system of two plates and one core; the cold-formed thin-wall steel keels are mostly in a through wallboard type structural form, so that the cold bridge phenomenon of the wallboard is obvious, and the popularization and the use in severe cold and cold areas are not facilitated; and the wallboard is directly filled with materials such as glass fiber, rock wool and the like, so that the phenomena of hollowness and insufficient hanging force of the wallboard exist in the wallboard. In addition, rock wool, polystyrene foam particles and other materials are products of modern chemical smelting, and a large number of resources are consumed through a heavy process. Therefore, it is necessary to design a new self-insulation wall panel to solve the above problems.
Disclosure of Invention
In view of the above, the invention aims to provide a straw concrete light steel keel self-insulation wallboard and a construction method thereof, wherein the wallboard has the performances of green, environmental protection and self insulation; the cold bridge effect of the cold-bending thin-wall section steel in the wallboard is blocked by using the straw concrete and a novel keel structure mode, and the heat insulation performance of the wallboard is improved; and compared with rock wool and the like, the straw concrete has certain strength, can improve the bending and compression rigidity of the wallboard, and prevents the early buckling damage of the cold-bending thin-walled steel in the wallboard.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a straw concrete light steel keel self-insulation wall board comprises a top keel, two opposite C-shaped cold-formed thin-walled steel keels, an OSB board, a ground keel and straw concrete, wherein the two OSB boards are respectively a lower OSB board and an upper OSB board, the two opposite C-shaped cold-formed thin-walled steel keels are arranged in two groups, the two opposite C-shaped cold-formed thin-walled steel keels are arranged in parallel, two ends of each opposite C-shaped cold-formed thin-walled steel keel are respectively and fixedly connected with the top keel and the ground keel to form a keel frame, the upper OSB board and the lower OSB board are respectively fixed at the upper end surface and the lower end surface of the keel frame through a plurality of pull rivets, each opposite C-shaped cold-formed thin-walled steel keel group comprises two C-shaped cold-formed thin-walled steel keels and a plurality of cold-formed thin-walled steel batten strips, the two C-shaped cold-formed thin-walled steel keels are arranged up and down and are opposite in opening, a certain distance is arranged between the two C-shaped cold-formed thin-formed steel keel, the front and back end surfaces of the two C-formed thin-formed steel keels are fixedly connected, the space enclosed by the upper OSB plate and the lower OSB plate is filled with straw concrete.
Further, the two ends of the two sets of opposite C-shaped cold-formed thin-walled steel keels 3 are connected to the middle sections of the top keel and the ground keel.
Further, it is just to arranging to hang keel and ground keel, two sets of opposition C type cold-formed thin-walled steel keels along the perpendicular bisector symmetrical arrangement between hang keel and the ground keel.
Further, the lower OSB plate and the upper OSB plate are the same in size and completely cover the ceiling keel and the ground keel.
Furthermore, the ceiling keel and the earthworm bone have the same structure and comprise two U-shaped channel steels which are arranged in parallel and are opposite up and down, and the distance between the two U-shaped channel steels is adapted to the distance between the two C-shaped cold-bending thin-wall section steel keels in the same group.
Further, the straw concrete comprises straw fiber, MgO and MgSO4An aqueous solution and a modifier, wherein the mass content of the straw fiber is 12 percent, the content of the modifier is 1 percent, MgO and MgSO4MgO: MgSO in aqueous solution4:H2The molar mass ratio of O is 9:1: 20.
Further, the length of the straw fiber is 5 mm.
A construction method of a straw concrete light steel keel self-insulation wallboard comprises the following steps:
firstly, preparing a mould, paving a lower OSB plate at the lower side, anchoring a C-shaped cold-formed thin-walled steel keel, a top keel, a ground keel and the lower OSB plate on the lower OSB plate by using a pulling rivet, assembling and welding the C-shaped cold-formed thin-walled steel keel and a cold-formed thin-walled steel batten strip, pouring and vibrating straw concrete, and anchoring an upper OSB plate on the C-shaped cold-formed thin-walled steel keel, the top keel and the ground keel by using the pulling rivet to finish the assembly of the wallboard; and curing the wallboard under natural conditions after assembly, and hoisting and transporting the wallboard to a site for assembly and splicing after the wallboard reaches the curing age.
Compared with the prior art, the self-insulation straw concrete light steel keel wallboard and the construction method thereof have the following advantages:
(1) the wall board adopts straw concrete as filler in the cold-formed thin-walled steel light steel keel wall board, and the cold-formed thin-walled steel in the wall board adopts an opposite C-shaped section structure mode. This kind of straw concrete in wallboard has certain intensity and thermal insulation performance is good, and this kind of wallboard fossil fragments mode of construction has good thermal insulation performance in comparing fossil fragments mode of construction in traditional wallboard, can obviously block cold bridge effect.
(2) The wallboard can be used as a novel green, environment-friendly and energy-saving building product in village and town residences in severe cold and cold regions.
(3) The wallboard is used as a prefabricated wallboard, and can be prefabricated and processed in factories, so that the processing quality of the wallboard is improved; only the wall boards need to be spliced on site. The on-site installation speed of the wallboard can be improved, the construction period is shortened, and the cost is saved. Meanwhile, the wallboard has good heat preservation and heat insulation performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a straw concrete light steel keel self-insulation wallboard according to an embodiment of the invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
figure 4 is a top view of the keel;
figure 5 is a left side view of the keel;
figure 6 is an elevation view of the keel.
Description of reference numerals:
1-rivet, 2-ceiling keel, 3-opposite C-shaped cold-formed thin-walled steel keel, 4-OSB plate, 4-1-lower OSB plate, 4-2-upper OSB plate, 5-ground keel, 6-cold-formed thin-walled steel batten strip and 7-straw concrete.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-6, a self-heat-insulation wall slab of a straw concrete light steel keel comprises a ceiling keel 2, opposite C-shaped cold-formed thin-walled steel keels 3, OSB plates 4, a ground keel 5 and straw concrete 7, wherein the OSB plates 4 are two, namely a lower OSB plate 4-1 and an upper OSB plate 4-2, the opposite C-shaped cold-formed thin-walled steel keels 3 are arranged in two groups, the two groups of opposite C-shaped cold-formed thin-walled steel keels 3 are arranged in parallel, two ends of each opposite C-shaped cold-formed thin-walled steel keel are fixedly connected with the ceiling keel 2 and the ground keel 5 to form a keel frame, the upper OSB plate 4-1 and the lower OSB plate 4-2 are respectively fixed at the upper end surface and the lower end surface of the keel frame through a plurality of pulling rivets, each group of opposite C-shaped cold-formed thin-walled steel keels 3 comprises two C-shaped cold-formed thin-walled steel keels and a plurality of cold-formed thin-formed steel batten strips 6, the two C-shaped cold-formed steel keels are arranged up and down and are opposite to each other, a certain distance is arranged between the two C-shaped cold-formed thin-walled steel keels, a plurality of cold-formed thin-walled steel batten strips 6 are fixedly connected to the front end faces and the rear end faces of the two C-shaped cold-formed thin-walled steel keels, and a space enclosed by the upper OSB plate and the lower OSB plate is filled with straw concrete 7.
Two ends of the two sets of opposite C-shaped cold-formed thin-walled steel keels 3 are connected to the middle sections of the top keel 2 and the ground keel 5.
The ceiling keel 2 and the ground keel 5 are arranged oppositely, and the two sets of opposite C-shaped cold-formed thin-walled steel keels 3 are arranged symmetrically along the perpendicular bisector between the ceiling keel 2 and the ground keel 5.
The lower OSB plate 4-1 and the upper OSB plate 4-2 are the same in size and both completely cover the ceiling keel 2 and the ground keel 5. The top keel 2 and the ground keel 5 are identical in structure and comprise two U-shaped channel steels which are arranged in parallel from top to bottom, and the distance between the two U-shaped channel steels is matched with the distance between the two C-shaped cold-formed thin-walled steel keels in the same group.
The straw concrete 7 comprises straw fiber, MgO and MgSO4An aqueous solution and a modifier, wherein the mass content of the straw fiber is 12 percent, the content of the modifier is 1 percent, MgO and MgSO4MgO: MgSO in aqueous solution4:H2The molar mass ratio of O is 9:1:20, and the length of the straw fiber is 5 mm. The standard value of the compression strength of the straw concrete under the mixing proportion is 2.2MPa, the standard value of the tensile strength is 0.64MPa, the thermal conductivity is 0.0862W/(m.K), the elastic modulus is 195MPa, and the Poisson ratio is 0.378. The straw concrete has good heat preservation performance and certain strength. The wall board made of the straw concrete has certain hanging force and good heat preservation performance, and has good popularization value in severe cold and cold regions.
Compared with the traditional C-shaped cold-formed thin-walled steel keels, the opposite C-shaped steel keel has the function of blocking a cold bridge phenomenon under the condition of the same steel consumption, and the wallboard has good bending resistance and compression resistance.
A construction method of a straw concrete light steel keel self-insulation wallboard comprises the following steps:
firstly, preparing a mould which is a cuboid structure box, paving a lower OSB plate 4-2 at the bottom of the cuboid mould box, anchoring a C-shaped cold-formed thin-walled steel keel, a skullage 2, a ground keel 5 and the lower OSB plate 4-2 on the lower OSB plate 4-2 by using a rivet 1, assembling and welding the C-shaped cold-formed thin-walled steel keel and a cold-formed thin-walled steel batten 6, pouring and vibrating straw concrete 7, and finally anchoring an upper OSB plate 4-1 on the C-shaped cold-formed thin-walled steel keel, the skullage 2 and the ground keel 5 by using the rivet 1 to complete the assembly of the wallboard; and curing the wallboard under natural conditions after assembly, and hoisting and transporting the wallboard to a site for assembly and splicing after the wallboard reaches the curing age.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a straw concrete light steel keel self preservation temperature wallboard which characterized in that: the steel keel structure comprises a top keel (2), two opposite C-shaped cold-formed thin-walled steel keels (3), OSB plates (4), a ground keel (5) and straw concrete (7), wherein the number of the OSB plates (4) is two, namely a lower OSB plate (4-1) and an upper OSB plate (4-2), the two opposite C-shaped cold-formed thin-walled steel keels (3) are arranged in two groups, the two opposite C-shaped cold-formed thin-walled steel keels (3) are arranged in parallel, two ends of each opposite C-shaped cold-formed thin-walled steel keel are fixedly connected with the top keel (2) and the ground keel (5) respectively to form a keel frame, the upper OSB plate (4-1) and the lower OSB plate (4-2) are fixed on the upper end surface and the lower end surface of the keel frame through a plurality of rivets, each group of opposite C-shaped cold-formed thin-walled steel keels (3) comprises two C-shaped cold-formed thin-formed-walled steel keels and a plurality of cold-formed steel batten strips (6), the two C-shaped cold-formed steel keels are arranged up and down and just opposite to openings, a certain distance is arranged between the two C-shaped cold-formed thin-walled steel keels, a plurality of cold-formed thin-walled steel batten strips (6) are fixedly connected to the front end faces and the rear end faces of the two C-shaped cold-formed thin-walled steel keels, and the space enclosed by the upper OSB plate and the lower OSB plate is filled with straw concrete (7).
2. The straw concrete light steel keel self-insulation wallboard as claimed in claim 1, wherein: two ends of the two sets of opposite C-shaped cold-formed thin-walled steel keels (3) are connected to the middle sections of the top keel (2) and the ground keel (5).
3. The straw concrete light steel keel self-insulation wallboard as claimed in claim 1, wherein: the top keel (2) and the ground keel (5) are arranged just oppositely, and the two sets of opposite C-shaped cold-formed thin-walled steel keels (3) are arranged symmetrically along the perpendicular bisector between the top keel (2) and the ground keel (5).
4. The straw concrete light steel keel self-insulation wallboard as claimed in claim 1, wherein: the lower OSB plate (4-1) and the upper OSB plate (4-2) are the same in size and both completely cover the ceiling keel (2) and the ground keel (5).
5. The straw concrete light steel keel self-insulation wallboard as claimed in claim 1, wherein: the top keel (2) and the ground keel (5) are identical in structure and comprise two U-shaped channel steels which are arranged vertically and oppositely in parallel, and the distance between the two U-shaped channel steels is matched with the distance between the two C-shaped cold-formed thin-walled steel keels in the same group.
6. The straw concrete light steel keel self-insulation wallboard as claimed in claim 1, wherein: the straw concrete (7) comprises straw fiber, MgO and MgSO4An aqueous solution and a modifier, wherein the mass content of the straw fiber is 12 percent, the content of the modifier is 1 percent, MgO and MgSO4MgO: MgSO in aqueous solution4:H2The molar mass ratio of O is 9:1: 20.
7. The straw concrete light steel keel self-insulation wallboard as claimed in claim 6, wherein: the length of the straw fiber is 5 mm.
8. The construction method of the self-insulation straw concrete light steel keel wallboard as claimed in any one of claims 1-7, wherein: the method specifically comprises the following steps:
firstly, preparing a mould, paving a lower OSB plate (4-2) at the lower side, anchoring a C-shaped cold-formed thin-walled steel keel, a skullage (2), a ground keel (5) and the lower OSB plate (4-2) on the lower OSB plate (4-2) by using a rivet (1), assembling and welding the C-shaped cold-formed thin-walled steel keel and a cold-formed thin-walled steel batten strip (6), pouring and vibrating straw concrete (7), and finally anchoring the upper OSB plate (4-1) on the C-shaped cold-formed thin-walled steel keel, the skullage (2) and the ground keel (5) by using the rivet (1) to complete the assembly of the wallboard; and curing the wallboard under natural conditions after assembly, and hoisting and transporting the wallboard to a site for assembly and splicing after the wallboard reaches the curing age.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111227342.3A CN113898115A (en) | 2021-10-21 | 2021-10-21 | Straw concrete light steel keel self-insulation wallboard and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111227342.3A CN113898115A (en) | 2021-10-21 | 2021-10-21 | Straw concrete light steel keel self-insulation wallboard and construction method thereof |
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| CN113898115A true CN113898115A (en) | 2022-01-07 |
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| CN202111227342.3A Pending CN113898115A (en) | 2021-10-21 | 2021-10-21 | Straw concrete light steel keel self-insulation wallboard and construction method thereof |
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