CN219638208U - Assembled composite fiber net reinforced steel bar truss combined plate - Google Patents
Assembled composite fiber net reinforced steel bar truss combined plate Download PDFInfo
- Publication number
- CN219638208U CN219638208U CN202320962073.3U CN202320962073U CN219638208U CN 219638208 U CN219638208 U CN 219638208U CN 202320962073 U CN202320962073 U CN 202320962073U CN 219638208 U CN219638208 U CN 219638208U
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- Prior art keywords
- steel bar
- bottom plate
- bar truss
- truss
- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 104
- 239000010959 steel Substances 0.000 title claims abstract description 104
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 title claims abstract description 16
- 238000005336 cracking Methods 0.000 claims abstract description 23
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000004567 concrete Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011374 ultra-high-performance concrete Substances 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 abstract description 8
- 239000011433 polymer cement mortar Substances 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 admixture Substances 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of assembly type buildings, and particularly relates to an assembly type composite fiber net reinforced steel bar truss composite board, which comprises a bottom board; the bottom surface of the bottom plate is provided with a reinforced anti-cracking layer, and the reinforced anti-cracking layer is a carbon fiber net or a glass fiber net; at least one steel bar truss, wherein the steel bar truss is fixedly connected with the bottom plate; the steel bar truss is a truss type steel bar framework formed by welding an upper chord steel bar, two lower chord steel bars and two side web member steel bars; the steel wire mesh is connected to the bottom of the steel bar truss, and the bottoms of the steel wire mesh and the lower chord steel bar are embedded in the bottom plate; the bottom edge of the side edge of the bottom plate is provided with a chamfer to form an internally-retracted accommodating cavity. According to the utility model, no additional special connecting piece is required, so that the consumable cost is reduced, and the anti-cracking performance can be improved by arranging the steel wire mesh and enhancing the anti-cracking layer; and the side edges of the bottom plate are subjected to chamfering treatment, so that the subsequent modified polymer cement mortar trowelling treatment is convenient, no crack is generated in the later stage of the joint line of the treatment, and the overall strength and quality are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of assembled buildings, and particularly relates to an assembled composite fiber net reinforced steel bar truss composite board.
Background
The steel bar truss floor support plate is more and more favored in the market because of the advantages of standardization, industrial production, stable quality, uniform steel bar distribution, accurate size and the like. Among the prior art, steel bar truss building carrier plate generally includes the bottom plate and connects the steel bar truss on the bottom plate, and general steel bar truss passes through the connecting piece equipment to be fixed on the bottom plate, and the patent that for instance grant bulletin number CN 217580755U discloses a exempt from to tear open mould steel bar truss building carrier plate, and it is including setting up the exempt from to tear open the bottom plate in the bottom, setting up at a plurality of reinforcing bar subassembly of exempt from to tear open bottom plate upper portion and will exempt from to tear open a plurality of special connecting piece that bottom plate and reinforcing bar subassembly link together, and special connecting piece includes bolted connection spare and metal connecting piece. When the floor support plate is used, the following technical problems exist: firstly, the special connecting piece is arranged, so that the processing and the manufacturing are troublesome, the consumable cost is increased, and meanwhile, the production efficiency is reduced; secondly, no steel wire mesh is arranged in the disassembly-free bottom plate, so that the cracking resistance is poor; thirdly, the disassembly-free base plate is not provided with any reinforced anti-cracking material, so that the construction load bearing capacity is poor and needs to be improved; fourth, form the splice after the building carrier plate concatenation, later stage needs to plaster the splice and handles, and the splice that above-mentioned structure formed is very little, is difficult to plaster and handles, influences the efficiency of construction.
Disclosure of Invention
In order to solve the problems in the prior art, an assembled composite fiber mesh reinforced steel bar truss composite board is provided.
The technical scheme adopted for solving the technical problems is as follows:
the technical scheme provides an assembled composite fiber net reinforced steel bar truss composite board, which comprises:
a bottom plate; the bottom surface of the bottom plate is provided with a reinforced anti-cracking layer;
the steel bar truss is fixedly connected with the bottom plate; the steel bar truss is a truss type steel bar framework formed by welding an upper chord steel bar, two lower chord steel bars and two side web member steel bars;
the steel wire mesh is connected to the bottom of the steel bar truss, and the bottom ends of the steel wire mesh and the lower chord steel bars are embedded in the bottom plate.
Preferably, the reinforced anti-cracking layer is a carbon fiber net or a glass fiber net.
Preferably, the bottom edge of the side edge of the bottom plate is provided with a chamfer to form an adduction type accommodating cavity.
Preferably, the chamfer is an R-chamfer.
Preferably, the side edges of the bottom plates are provided with splicing parts and containing cavities, the splicing parts are of a planar structure, and when two adjacent bottom plates are spliced, the adjacent splicing parts are spliced closely to form splicing seams; and after the adjacent accommodating cavities are closed, a seam smearing and leveling area is formed.
Preferably, the bottom plate is formed by casting not lower than C40 concrete or ultra-high performance concrete.
Preferably, the thickness of the bottom plate is 20 mm-25 mm.
Preferably, the steel bar truss and the steel wire mesh are welded in a resistance spot welding mode.
Preferably, the wire diameter of the steel wire mesh sheet is 0.3cm, and the mesh openings are 10cm x 10cm.
Compared with the prior art, the utility model has the following advantages:
1. the steel wire mesh is arranged in the bottom plate, so that the cracking resistance is improved; the steel wire mesh piece is directly connected with the steel bar truss, an additional special connecting piece is not required to be arranged, the consumable cost is reduced, after the steel wire mesh piece is connected with the steel bar truss as a whole, the bottom ends of the steel wire mesh piece and the lower chord steel bar are directly buried in the bottom plate, the subsequent special connecting piece is not required to be used for connection, the steps are simplified, and the production efficiency is improved.
2. The bottom surface of the bottom plate is also provided with the reinforced anti-cracking layer, so that the anti-cracking performance of the bottom plate can be further improved, and the reinforced anti-cracking layer adopts a carbon fiber net or a glass fiber net, so that the capability of bearing construction load can be greatly improved; during processing, only a carbon fiber net or a glass fiber net is paved on the bottom layer of the die, and a bottom plate with a reinforced anti-cracking layer is formed after concrete is poured, so that the processing and the manufacturing are convenient, and the overall strength is improved.
3. The bottom edge of the side edge of the bottom plate is provided with the chamfer to form the adduction type accommodating cavity, and the adjacent accommodating cavities are combined to form the seam-plastering leveling area, so that the subsequent construction treatment is facilitated, the modified polymer cement mortar is adopted for the subsequent trowelling treatment, and the seam joint after the treatment has no crack, and the overall strength and quality are greatly improved.
Drawings
The foregoing and additional aspects and advantages of the utility model will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a perspective view of the structure of the present utility model.
Fig. 2 is a schematic view of the structure of fig. 1 at another angle of the present utility model.
Fig. 3 is a front view of the utility model of fig. 1.
Fig. 4 is a cross-sectional view of the structure of the present utility model in fig. 3.
Fig. 5 is a schematic view of the structure of the splice and the accommodating cavity.
Reference numerals illustrate:
1-a bottom plate; 2-a steel bar truss; 21-winding steel bars; 22-lower chord steel bars; 23-web bar reinforcement; 3-chamfering; 31-a receiving chamber; 32-splice; 4-reinforcing the anti-cracking layer; 5-wire mesh sheet.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1-5, this embodiment proposes an assembled composite fiber mesh reinforced rebar truss composite board, which mainly includes the following structure:
a base plate 1; the bottom surface of the bottom plate 1 is provided with a reinforced anti-cracking layer 4; the bottom plate 1 is formed by casting not lower than C40 concrete or high-performance concrete or ultra-high-performance concrete (UHPC); the thickness of the bottom plate 1 is 20 mm-25 mm.
At least one steel bar truss 2, wherein the steel bar truss 2 is fixedly connected with the bottom plate 1; the steel bar truss 2 is a triangular truss, namely a truss type steel bar skeleton welded by an upper chord steel bar 21, two lower chord steel bars 22 and two side web member steel bars 23.
At least one steel wire net piece 5, steel wire net piece 5 are connected in the bottom of steel bar truss 2, and steel wire net piece 5 and the bottom of lower chord steel bar 22 are all buried in bottom plate 1. The consolidation mode between the steel wire mesh 5 and the steel bar truss 2 includes, but is not limited to, binding, welding and the like, and in this embodiment, the welding mode is preferred, and the steel bar truss 2 and the steel wire mesh 5 are welded by adopting a resistance spot welding mode.
It should be noted that: the ultra-high performance concrete (UHPC) is a cement-based composite material which is prepared from raw materials such as cement, admixture, aggregate, reinforcing fiber, additive, water and the like, has ultra-high mechanical property and ultra-high erosion resistance medium permeability and has the characteristic of improving brittleness.
The structural form of the design of the bottom plate 1, the steel wire mesh 5 and the steel bar truss 2 can bring the following advantages:
the steel wire mesh 5 is arranged in the bottom plate 1, so that the cracking resistance is improved; the steel wire mesh 5 is directly connected with the steel bar truss 2, no additional special connecting piece is needed, consumable cost is reduced, after the steel wire mesh 5 is connected with the steel bar truss 2 into a whole, the bottom ends of the steel wire mesh 5 and the lower chord steel bars 22 are directly buried in the bottom plate 1, no special connecting piece is needed for subsequent reuse, steps are simplified, and production efficiency is improved.
The steel wire mesh 5 in this embodiment may be selected from the following specifications:
the wire diameter of the steel wire mesh 5 is 0.3cm, and the mesh holes are 10cm x 10cm.
In this embodiment, the structural form of the steel bar truss 2 may be any one of the following, in which the web member steel bar 23 of the steel bar truss 2 is provided with a horizontal bottom angle, and when in use, the horizontal bottom angle of the web member steel bar 23 of the steel bar truss 2 is welded with the steel wire mesh 5; and secondly, the web member steel bars 23 of the steel bar truss 2 do not have horizontal bottom angles, and the lower ends of the web member steel bars 23 of the steel bar truss 2 are welded with the steel wire meshes 5.
In this embodiment, the reinforcing anti-cracking layer 4 is a carbon fiber net or a glass fiber net. The bottom plate 1 is used as a steel bar truss 2 to cooperatively work to participate in stress, is used as a plate to transmit load to the truss, is in a composite stress state of integral tensile force and local bending moment, the stress is superposition of integral tensile stress and local bending tensile stress, and the bottom surface of the plate with the maximum tensile stress is provided with a carbon fiber net and/or a glass fiber net with good tensile property, so that the crack resistance is higher.
The bottom surface of the bottom plate 1 is provided with the reinforced anti-cracking layer 4, so that the anti-cracking performance of the bottom plate can be further improved, and the reinforced anti-cracking layer 4 adopts a carbon fiber net or a glass fiber net, so that the construction load bearing capacity can be greatly improved; during processing, only a carbon fiber net or a glass fiber net is paved on the bottom layer of the die, and the bottom plate 1 with the reinforced anti-cracking layer 4 is formed after concrete is poured, so that the processing and the manufacturing are convenient, and meanwhile, the overall strength is improved.
As another embodiment, the bottom edge of the side edge of the bottom plate 1 is provided with a chamfer 3 to form an internally-retracted accommodating cavity 31; the shape of chamfer 3 includes, but is not limited to, an R-chamfer, an oblique chamfer, in this embodiment chamfer 3 is an R-chamfer.
The side edges of the bottom plates 1 are provided with splicing parts 32 and accommodating cavities 31, the splicing parts 32 are of a planar structure, and when two adjacent bottom plates 1 are spliced, the adjacent splicing parts 32 are spliced closely to form splicing seams; after the adjacent accommodating cavities 31 are closed, a seam-smearing leveling area is formed, so that the subsequent trowelling treatment is facilitated.
The close joint seam is convenient to process, the concrete slurry can play a role in filling the seam in the construction process, after concrete is poured for a period of time, the shrinkage of the concrete is mostly finished, and the modified polymer cement mortar is adopted for trowelling at the moment, so that no crack exists in the later stage of the processed seam, and the overall strength and quality are greatly improved.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. Assembled composite fiber mesh reinforcing steel bar truss composite board, its characterized in that includes:
a bottom plate; the bottom surface of the bottom plate is provided with a reinforced anti-cracking layer;
the steel bar truss is fixedly connected with the bottom plate; the steel bar truss is a truss type steel bar framework formed by welding an upper chord steel bar, two lower chord steel bars and two side web member steel bars;
the steel wire mesh is connected to the bottom of the steel bar truss, and the bottom ends of the steel wire mesh and the lower chord steel bars are embedded in the bottom plate.
2. The fabricated, composite fiber web reinforced rebar truss composite panel of claim 1, wherein the reinforcing anti-cracking layer is a carbon fiber web or a fiberglass web.
3. The fabricated, composite fiber web reinforced rebar truss composite panel of claim 1, wherein the bottom edge of the bottom plate side has a chamfer forming an internally received cavity.
4. The fabricated, composite fiber web reinforced rebar truss composite panel of claim 3, wherein the chamfer is an R-chamfer.
5. The assembled composite fiber mesh reinforced steel bar truss composite board as recited in claim 3, wherein the side edges of the bottom plates are provided with splicing parts and containing cavities, the splicing parts are of a planar structure, and when two adjacent bottom plates are spliced, the adjacent splicing parts are spliced closely to form a splicing seam; and after the adjacent accommodating cavities are closed, a seam smearing and leveling area is formed.
6. The fabricated, composite fiber net reinforced steel bar truss composite slab as claimed in claim 1, wherein the bottom plate is cast of no less than C40 concrete or ultra-high performance concrete.
7. The fabricated, composite fiber net reinforced steel bar truss composite sheet as claimed in claim 1, wherein the thickness of the bottom plate is 20 mm-25 mm.
8. The assembled composite fiber mesh reinforced steel bar truss composite panel of claim 1, wherein the steel bar truss and the steel wire mesh are welded by resistance spot welding.
9. The fabricated composite fiber net reinforced steel bar truss composite board as claimed in claim 1, wherein the wire diameter of the wire mesh sheet is 0.3cm, and the mesh openings are 10cm x 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962073.3U CN219638208U (en) | 2023-04-25 | 2023-04-25 | Assembled composite fiber net reinforced steel bar truss combined plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320962073.3U CN219638208U (en) | 2023-04-25 | 2023-04-25 | Assembled composite fiber net reinforced steel bar truss combined plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219638208U true CN219638208U (en) | 2023-09-05 |
Family
ID=87817892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320962073.3U Active CN219638208U (en) | 2023-04-25 | 2023-04-25 | Assembled composite fiber net reinforced steel bar truss combined plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219638208U (en) |
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2023
- 2023-04-25 CN CN202320962073.3U patent/CN219638208U/en active Active
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