CN215054403U - Thin steel plate fireproof separate-warehouse pinned wood-concrete composite floor slab - Google Patents
Thin steel plate fireproof separate-warehouse pinned wood-concrete composite floor slab Download PDFInfo
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- CN215054403U CN215054403U CN202120856388.0U CN202120856388U CN215054403U CN 215054403 U CN215054403 U CN 215054403U CN 202120856388 U CN202120856388 U CN 202120856388U CN 215054403 U CN215054403 U CN 215054403U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 239000004567 concrete Substances 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title claims description 23
- 239000002023 wood Substances 0.000 claims abstract description 110
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
A combined floor of thin steel plate fireproof warehouse and cotter wood-concrete belongs to the technical field of buildings. The steel plate warehouse comprises a steel plate warehouse-divided pinned wood floor, a concrete surface layer, a wood decorative plate and a structural reinforcing mesh, wherein the steel plate warehouse-divided pinned wood floor and the concrete surface layer of the upper layer of the built-in structural reinforcing mesh are connected through upper wood screws, and the steel plate warehouse-divided pinned wood floor and the lower layer of the wood decorative plate are connected through lower wood screws; the wooden floor plate is composed of a plurality of sub floor plates which are arranged in parallel, a plurality of through preformed holes are formed in the side faces of the sub floor plates, the plurality of sub floor plates are integrally formed by inserting the preformed holes through wooden pins, and plugging steel plates are arranged on the periphery of the integral sub floor plates. The invention is in a poor oxygen state when being fired, so that the combustible gas and oxygen decomposed by the temperature rise of the wood cannot reach the combustion proportion, thereby the wood is not easy to combust, and the fire resistance of the floor slab is improved; the manufacturing process is simple, the construction is convenient, the environment is protected, and the aesthetic feeling and the texture of the wood are shown.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to a thin steel sheet fire prevention divides selling of storehouse closes wood-concrete composite floor.
Background
With the increasingly prominent problems of ecological environment deterioration, resource shortage and the like, energy conservation and environmental protection become key research objects in the current engineering field, and the popularization, application and development of green and environment-friendly building materials are imperative. Due to the development of Chinese forestry technology and the increase of foreign imported structural timber, modern timber structures are rapidly developed in China. In order to meet the demand of the market for wood, various engineering structural materials are developed and put into production one after another and gradually become a substitute material for solid wood. The solid wood and the wood-based engineering structural material are green materials, cater to the sustainable development trend and are beneficial to slowing down the climate change. In recent years, the number of large-scale wood structure buildings is increased, and a large amount of attention is paid to a heavy-duty structural material which can replace structural steel bars and concrete, such as orthogonal laminated wood, laminated wood, laminated pinned wood and the like. Laminated lumber is more environmentally friendly because it is substantially free of any adhesive during its manufacture, and is thus receiving more attention and finding increasing use in large timber structure construction.
On the basis of wood structures and concrete structures, a novel structure is developed and formed gradually: wood-concrete integrated configuration. Compared with the traditional wood structure, the strength and the rigidity of the composite wood structure are improved to some extent, and compared with a concrete structure, the composite wood structure can effectively reduce the dead weight of the structure. As high-rise buildings have gradually increased, wood-concrete composite floor slabs made of wood and concrete have been widely used. However, the wood-concrete composite floor slab faces the fire-proof and fire-resistant problems as the traditional wood structural floor slab, and once the wood in the composite floor slab fails due to fire, the strength of the wood-concrete composite floor slab is greatly reduced and even fails. How to effectively solve the problems of fire prevention and fire resistance becomes a main problem for restricting the popularization, application and rapid development of the wood-concrete composite floor slab.
SUMMERY OF THE UTILITY MODEL
To the technical problem that exists, the utility model provides a wooden combined floor of selling in branch storehouse of steel sheet fire prevention, through last pi type steel sheet, fall pi type steel sheet and the isolated air of shutoff steel sheet down, the floor is in the oxygen deficiency state when receiving the fire, though the temperature rises, nevertheless because the air is not enough, hardly burns, can effectually solve the fire prevention of wooden combined floor of concrete, fire-resistant scheduling problem.
The purpose of the utility model is realized through the following technical scheme:
the utility model relates to a wooden-concrete composite floor that sells in thin steel sheet fire prevention branch storehouse, including wooden floor, concrete surface course, wooden decorative board and the structure reinforcing bar net of selling in the thin steel sheet branch storehouse, the wooden floor that sells in the thin steel sheet branch storehouse and the concrete surface course of the built-in structure reinforcing bar net of upper strata pass through the wood-feeding screw connection, the wooden floor that sells in the thin steel sheet branch storehouse and the wooden decorative board of lower floor pass through the wood-discharging screw connection;
the wooden floor plate is composed of a plurality of sub floor plates which are arranged in parallel, a plurality of through preformed holes are formed in the side faces of the sub floor plates, the plurality of sub floor plates are integrally formed by inserting the preformed holes through wooden pins, and plugging steel plates are arranged on the periphery of the integral sub floor plates.
Preferably, the sub-floor comprises a plurality of jointed boards, an upper pi-shaped thin steel plate and a lower inverted pi-shaped thin steel plate, the jointed boards are spliced in parallel, the upper pi-shaped thin steel plate is arranged above the jointed boards in the direction perpendicular to the splicing direction, the lower inverted pi-shaped thin steel plate is arranged below the jointed boards to form the sub-floor, a plurality of sub-floor reserved holes with the same diameter are formed in the corresponding positions of the side surfaces of each jointed board, the upper pi-shaped thin steel plate and the lower inverted pi-shaped thin steel plate, through holes for containing wooden pins are formed after connection, and the axes of the through holes are parallel to the splicing direction.
Preferably, adjacent through holes on the sub-floor are arranged in a staggered mode.
Preferably, the upper pi-shaped thin steel plate and the lower inverted pi-shaped thin steel plate on the sub floor slab have a spacing for avoiding a heat bridge effect on the side face of the jointed plate (7).
Preferably, the interfaces of the plugging steel plates are arranged on the side faces of the pinned wood floor slabs of the thin steel plate sub-warehouse, plugging steel plate pre-drilled holes slightly smaller than the diameter of the side wood screws are pre-drilled in the plugging steel plates, and the plugging steel plates and the sub-floor slabs are fastened by the side wood screws penetrating through the plugging steel plate pre-drilled holes.
Preferably, the side wood screws are linearly and uniformly distributed along the parallel sides of the interface side and the interface side of the plugging steel plate, and the side wood screws at the frame interface of the plugging steel plate are arranged in an encrypted manner.
Preferably, the wood screws are linearly and uniformly distributed along the periphery of the upper part of the pinned wood floor of the steel sheet warehouse, the wood screws are partially nailed into the pinned wood floor of the steel sheet warehouse, and the wood screws are connected with the structural reinforcing mesh.
Preferably, the lower wood screws are uniformly distributed along the wood decorative plate.
The utility model has the advantages that:
1. the steel sheet split-bin pinned wood floor slab and the concrete surface layer of the built-in structure reinforcing mesh on the upper layer are connected through upper wood screws, and the steel sheet split-bin pinned wood floor slab and the lower wood decorative plate are connected through lower wood screws; a plurality of jointed boards are spliced in parallel, and an upper pi-shaped thin steel plate is arranged above the jointed boards in the direction vertical to the splicing direction, and a lower inverted pi-shaped thin steel plate is arranged below the jointed boards to form a sub-floor; the wooden floor of the pinboard is connected with a plurality of sub-floors by wooden pins to form a whole, and the periphery of the whole sub-floor is provided with a plugging steel plate. The upper pi-shaped thin steel plate, the lower inverted pi-shaped thin steel plate and the plugging steel plate can effectively isolate air, and the pinned wood floor is in an oxygen-deficient state when being fired, so that combustible gas and oxygen liberated by heating the wood cannot reach a combustion ratio, the wood is not easy to combust, and the fire resistance of the floor is improved.
2. The dowel wooden floor in steel sheet branch storehouse sets up side by a plurality of sub-floors and constitutes, opens the preformed hole that has a plurality of link up in sub-floor's side, and it is whole that the preformed hole forms through the cotter grafting between a plurality of sub-floors, sets up the shutoff steel sheet in whole sub-floor periphery. The structure is compact, the jointed boards are tightly combined together, the load in the weak jointed board can be shared by the adjacent jointed boards, the influence of the defects on the whole component is reduced, and the material utilization rate is improved; the upper pi-shaped thin steel plate and the lower inverted pi-shaped thin steel plate are not butted at the side surfaces of the jointed plates, and a section of interval is arranged in the middle, so that the heat bridge effect is effectively avoided.
3. The wood-mounting screw is used as a connecting piece to promote the pinned wood floor slabs of the steel sheet separate bins to be tightly combined with the concrete surface layer, and the effects of improving the integrity and the fire resistance can be achieved simultaneously; the utility model does not use adhesive in the manufacturing process, and is a green and environment-friendly building material; the manufacturing process is simple, the construction is convenient, special machinery is not needed, the prefabricated steel plate can be prefabricated in a factory and installed on the site, and the industrial production is realized; the material is simple, the manufacturing cost is low, and the construction cost can be reduced; the lower part is paved with a wooden decorative plate, so that the steel plate can be effectively hidden, and the aesthetic feeling and the texture of the wood are fully displayed; the concrete consumption is reduced, the environment is protected, the dead weight of the structure can be effectively reduced, and the heat preservation and heat insulation performance and the sound insulation and noise reduction performance of the floor slab can be improved by using wood.
Drawings
Fig. 1 is the three-dimensional structure diagram of the composite floor slab of the utility model.
Fig. 2 is a sectional view of the composite floor slab of the present invention.
Fig. 3 is the solid structure view of the thin steel plate split-warehouse pinned wood floor of the utility model.
Fig. 4 is the three-dimensional structure diagram of the sub-floor of the utility model.
Fig. 5 is a three-dimensional structure diagram of the jigsaw of the present invention.
Fig. 6 is a three-dimensional structure view of the middle-upper pi type thin steel plate of the present invention.
Fig. 7 is a three-dimensional structure view of the middle-lower inverted pi-shaped thin steel plate of the present invention.
Fig. 8 is a three-dimensional structure diagram of the plugging steel plate of the present invention.
In the figure: the method comprises the following steps of 1, a thin steel plate warehouse-divided pinned wood floor, 2, a concrete surface layer, 3, a wood decorative plate, 4, an upper wood screw, 5, a lower wood screw, 6, a construction reinforcing mesh, 7, a jointed plate, 8, an upper pi-shaped thin steel plate, 9, a lower inverted pi-shaped thin steel plate, 10, a wood pin, 11, a plugging steel plate, 11-1, a plugging steel plate pre-drilled hole, 12, a side wood screw, 13, a sub-floor and 14, wherein the side wood screw is a side wood screw, the sub-floor is a side wood screw, and the pre-drilled hole is a reserved hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b): as shown in fig. 1-2, the steel plate fireproof warehouse-divided pinned wood-concrete composite floor provided by the present invention comprises a steel plate warehouse-divided pinned wood floor 1, a concrete surface layer 2, a wood decorative plate 3 and a structural reinforcing mesh 6, wherein the steel plate warehouse-divided pinned wood floor 1 and the upper concrete surface layer 2 with the built-in structural reinforcing mesh 6 are connected by upper wood screws 4, and the steel plate warehouse-divided pinned wood floor 1 and the lower wood decorative plate 3 are connected by lower wood screws 5;
as shown in figure 3, the pinned wood floor 1 with steel sheet separated warehouse is composed of a plurality of sub-floors 13 which are arranged in parallel, a plurality of penetrating sub-floor preformed holes 14 are opened on the side surface of the sub-floors 13, the sub-floors 13 are inserted into the sub-floor preformed holes 14 through wood pins 10 to form a whole, and the periphery of the whole sub-floors is provided with a sealing steel plate 11.
Specifically, as shown in fig. 4-7, the sub-floor 13 includes a plurality of jointed boards 7, an upper pi-shaped thin steel plate 8 and a lower inverted pi-shaped thin steel plate 9, the jointed boards 7 are spliced in parallel, the upper pi-shaped thin steel plate 8 is arranged above the jointed boards in a direction perpendicular to the splicing direction, the lower inverted pi-shaped thin steel plate 9 is arranged below the jointed boards, so as to form the sub-floor 13, a plurality of reserved holes 14 with the same diameter are formed in corresponding positions on the side surfaces of each jointed board 7, the upper pi-shaped thin steel plate 8 and the lower inverted pi-shaped thin steel plate 9, a through hole for accommodating the wooden pin 10 is formed after connection, and the axis of the through hole is parallel to the splicing direction.
And adjacent through holes on the sub-floor 13 are arranged in a staggered manner. The upper pi-shaped thin steel plate 8 and the lower inverted pi-shaped thin steel plate 9 on the sub-floor slab 13 have a gap for avoiding the heat bridge effect on the side face of the jointed plate 7, so that the heat bridge effect is effectively avoided.
As shown in fig. 8, the joints of the plugging steel plates 11 are arranged on the side surfaces of the pinned wood floor slabs 1 of the thin steel plate sub-warehouse, plugging steel plate pre-drilled holes 11-1 slightly smaller than the diameter of the side wood screws 12 are pre-drilled in the plugging steel plates 11, and the plugging steel plates 11 and the sub-floor slabs 13 are fastened by the side wood screws 12 penetrating through the plugging steel plate pre-drilled holes 11-1, so that the joints of the plugging steel plates 11 are well butted without overlapping. The side wood screw 12 is along 11 interface sides of shutoff steel sheet and with the parallel side of interface side be linear evenly distributed, the side wood screw 12 at the frame interface department of shutoff steel sheet 11 encrypts the setting, promptly: the density at the interface of the plugging steel plate 11 is higher than that at other positions, so that the sealing part is stable.
The upper wood screws 4 are linearly and uniformly distributed along the periphery of the upper part of the pinned wood floor 1 divided by the thin steel plates, the upper wood screws are partially nailed into the pinned wood floor divided by the thin steel plates, and the upper parts of the upper wood screws 4 are tightly connected with the structural reinforcing mesh 6. The upper wood screws 4 are used as connecting pieces to promote the pinned wood floor 1 and the concrete surface layer 2 of the thin steel plate separate bin to be tightly combined together, and the effects of improving the integrity and the fire resistance can be achieved at the same time.
The wood screws 5 are uniformly distributed along the wood decorative plates 3, so that the wood decorative plates 3 are tightly attached to the lower parts of the pinned wood floor slabs 1 in the thin steel plate bins and are fastened by the wood screws 5, the wood decorative plates 3 can effectively hide steel plates, and the aesthetic feeling and the texture of wood are fully displayed.
Furthermore, the water content of the jointed boards 7 is higher than that of the wooden pins, the water content of the jointed boards 1 of the assembled thin steel plate sub-warehouse needs to be balanced, the wooden pins wet and expand and the jointed boards dry and shrink, so that the two are combined more tightly without being reinforced by adhesives or nails.
Further, the assembling steps of the thin steel plate fireproof separate cabin pinned wood-concrete composite floor slab are as follows: the jointed board 7, the upper pi-shaped thin steel plate 8 and the lower inverted pi-shaped thin steel plate 9 are punched firstly, the side faces of the jointed board 7 are jointed and then wrapped by the upper pi-shaped thin steel plate 8 and the lower inverted pi-shaped thin steel plate 9 to form sub-floors 13, a plurality of sub-floors 13 are connected into a whole by wood pins 10, the periphery of the sub-floors is blocked by blocking steel plates 11, and the pinned wood floors 1 with the thin steel plates in different bins are formed. Wood screws 4 are arranged along the periphery of the upper part of the pinned wood floor slab 1 with the separated thin steel plates, a steel bar mesh 6 is erected, and then the concrete surface layer 2 is poured. And (3) paving a wood decorative plate 3 at the lower part of the pinned wood floor slab 1 divided by the thin steel plates and fastening the wood decorative plate by using lower wood screws 5.
The upper pi-shaped thin steel plate 8 and the lower inverted pi-shaped thin steel plate 9 are both channel steel.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (8)
1. The utility model provides a thin steel plate fire prevention divides round pin of storehouse closes wood-concrete composite floor which characterized in that: the steel plate bin-divided wooden floor slab comprises a steel plate bin-divided wooden floor slab (1), a concrete surface layer (2), a wooden decorative plate (3) and a structural reinforcing mesh (6), wherein the steel plate bin-divided wooden floor slab (1) and the concrete surface layer (2) of the upper layer of the built-in structural reinforcing mesh (6) are connected through upper wood screws (4), and the steel plate bin-divided wooden floor slab (1) and the lower layer of the wooden decorative plate (3) are connected through lower wood screws (5);
the pinned wood floor (1) with the separated thin steel plates is formed by arranging a plurality of sub floor slabs (13) in parallel, a plurality of through reserved holes (14) are formed in the side faces of the sub floor slabs (13), the plurality of sub floor slabs (13) are integrally formed by splicing the reserved holes (14) through wood pins (10), and plugging steel plates (11) are arranged on the periphery of the integral sub floor slabs.
2. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 1, wherein: the sub-floor (13) comprises a plurality of jointed boards (7), an upper Pi-shaped thin steel plate (8) and a lower inverted Pi-shaped thin steel plate (9), the jointed boards (7) are spliced in parallel, the upper Pi-shaped thin steel plate (8) is arranged above the jointed boards in the direction perpendicular to the splicing direction, the lower inverted Pi-shaped thin steel plate (9) is arranged below the jointed boards to form the sub-floor (13), a plurality of sub-floor reserved holes (14) with the same diameter are formed in corresponding positions of the side surfaces of each jointed board (7), the upper Pi-shaped thin steel plate (8) and the lower inverted Pi-shaped thin steel plate (9), through holes for containing wooden pins (10) are formed after connection, and the axes of the through holes are parallel to the splicing direction.
3. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 2, wherein: and adjacent through holes on the sub-floor are arranged in a staggered manner.
4. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 2, wherein: the upper pi-shaped thin steel plate (8) and the lower inverted pi-shaped thin steel plate (9) on the sub floor slab have a gap for avoiding a heat bridge effect on the side face of the jointed plate (7).
5. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 2, wherein: the joint of the plugging steel plate (11) is arranged on the side face of the pinned wood floor (1) of the thin steel plate separate bin, a plugging steel plate pre-drilled hole (11-1) slightly smaller than the diameter of the side wood screw (12) is pre-drilled in the plugging steel plate (11), and the plugging steel plate (11) and the sub-floor (13) are fastened by the side wood screw (12) penetrating through the plugging steel plate pre-drilled hole (11-1).
6. The steel sheet fireproof warehouse-separated pinned wood-concrete composite floor slab as claimed in claim 5, wherein: the side wood screws (12) are linearly and uniformly distributed along the parallel sides of the interface side and the interface side of the plugging steel plate (11), and the side wood screws (12) at the frame interface of the plugging steel plate (11) are arranged in an encrypted manner.
7. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 1, wherein: the wood feeding screws (4) are linearly and uniformly distributed along the periphery of the upper part of the pinned wood floor (1) divided into the thin steel plates, the wood feeding screws (4) are partially nailed into the pinned wood floor (1) divided into the thin steel plates, and the wood feeding screws (4) are connected with the structural reinforcing mesh (6).
8. The steel sheet fireproof sectional pinned wood-concrete composite floor slab as set forth in claim 1, wherein: the lower wood screws (5) are uniformly distributed along the wood decorative plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120856388.0U CN215054403U (en) | 2021-04-25 | 2021-04-25 | Thin steel plate fireproof separate-warehouse pinned wood-concrete composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120856388.0U CN215054403U (en) | 2021-04-25 | 2021-04-25 | Thin steel plate fireproof separate-warehouse pinned wood-concrete composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215054403U true CN215054403U (en) | 2021-12-07 |
Family
ID=79113083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120856388.0U Expired - Fee Related CN215054403U (en) | 2021-04-25 | 2021-04-25 | Thin steel plate fireproof separate-warehouse pinned wood-concrete composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215054403U (en) |
-
2021
- 2021-04-25 CN CN202120856388.0U patent/CN215054403U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |