CN220184419U - Reinforced prefabricated base plate or beam member - Google Patents
Reinforced prefabricated base plate or beam member Download PDFInfo
- Publication number
- CN220184419U CN220184419U CN202321592263.7U CN202321592263U CN220184419U CN 220184419 U CN220184419 U CN 220184419U CN 202321592263 U CN202321592263 U CN 202321592263U CN 220184419 U CN220184419 U CN 220184419U
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- CN
- China
- Prior art keywords
- prefabricated
- hoop
- truss
- bottom plate
- reinforced
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 24
- 239000004567 concrete Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000011065 in-situ storage Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a reinforced prefabricated floor or beam member comprising: prefabricating a bottom plate; a structural hoop disposed within the preformed bottom panel and disposed along the length of the bottom panel; the section of the structural hoop is in an open U shape or a closed opening shape, the horizontal section of the lower bottom surface of the structural hoop is partially embedded into the prefabricated bottom plate, and the other parts extend out of the prefabricated bottom plate; truss; the truss is arranged on the horizontal section of the lower bottom surface of the constructional hoop and comprises a lower chord rib or a pipe and a reinforced concrete narrow plate arranged on the lower chord rib or the pipe; the lower chord rib or the pipe and the horizontal section part of the lower bottom surface are buried in the prefabricated bottom plate together. The utility model adopts the structure hoop and the truss to play a role of connecting the reinforced concrete narrow plate and the prefabricated bottom plate, thereby solving the problem of overlarge steel consumption of the traditional triangular truss, facilitating the penetration of the field hydropower pipeline and solving the problem of truss instability caused by overlong steel bars of the traditional space truss.
Description
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to a reinforced prefabricated bottom plate or beam member.
Background
Prefabricated floors are components for fabricated buildings. The prefabricated bottom plate has the advantages of good integrity and good cracking resistance, and is suitable for high-rise buildings and large-bay buildings with higher overall rigidity.
Existing prefabricated floor elements are typically constructed of a floor made of concrete and a steel truss disposed on the floor. The steel bar truss generally comprises bent web steel bars and steel pipes arranged on the web steel bars. For example, chinese patent publication No. CN219011653U, which includes a prefabricated base plate, a prestressed steel pipe truss is disposed on the prefabricated base plate along the long span direction of the plate, and a special steel connecting member is welded between the prestressed steel pipe truss and the prefabricated base plate. The steel pipe and the triangular steel bar truss have higher cost, and the long-strip steel pipe is easy to generate truss instability under a large span.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a reinforced prefabricated bottom plate or beam member with good truss stability and low cost aiming at the problems in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is that the utility model provides a reinforced prefabricated bottom plate or beam member, which comprises the following components: prefabricating a bottom plate;
a structural hoop disposed within the preformed bottom panel and disposed along the length of the bottom panel; the section of the structural hoop is in an open U shape or a closed opening shape, the horizontal section of the lower bottom surface of the structural hoop is partially embedded into the prefabricated bottom plate, and the other parts extend out of the prefabricated bottom plate;
truss; the truss is arranged on the horizontal section of the lower bottom surface of the constructional hoop and comprises a lower chord rib or a pipe and a reinforced concrete narrow plate arranged on the lower chord rib or the pipe; the lower chord rib or pipe and the horizontal section part of the lower bottom surface are buried in the prefabricated bottom plate together; the reinforced concrete narrow plate is a precast concrete plate, the width of the reinforced concrete narrow plate is larger than the maximum width of the lower chord rib or the pipe and smaller than the width of the horizontal section of the lower bottom surface of the constructional hoop.
Further preferably, the lower chord rib or the pipe is a wavy continuous bent whole hollow pipe or a whole reinforcing steel bar; the extending direction of the lower chord rib or the pipe can be parallel to the length direction of the reinforced concrete narrow plate or perpendicular to the length direction of the reinforced concrete narrow plate.
Further preferably, the concrete slab further comprises cast-in-situ laminated layer concrete, wherein the cast-in-situ laminated layer concrete is cast on the constructional hoops and the trusses in situ and covers the upper surfaces of the reinforced concrete narrow plates.
Further, as preferable, a longitudinal reinforcement can be arranged in the reinforced concrete narrow plate, and the longitudinal reinforcement is a steel bar, a steel pipe, an iron pipe, an alloy pipe or a material rod.
Further preferably, the bottoms of the truss and the constructional hoop directly penetrate through the steel reinforcement framework hooked in the prefabricated bottom plate; or the bottoms of the truss and the constructional hoop are connected with the prefabricated bottom plate through connecting pieces, and the connecting pieces are binding iron wires, steel wires, nylon ropes, bayonet pieces, lantern rings, sleeves, bolts, buckling, anchoring plates, pier heads, connecting buckles, screw rods or perforating pins.
Further preferably, the prefabricated bottom plate is internally provided with reinforcing ribs which are arranged along the length direction of the prefabricated bottom plate and are arranged on the horizontal section part of the lower bottom surface of the constructional hoop at intervals; the plurality of structural hoops and the plurality of reinforcing bars form a spatial framework of reinforcement.
The utility model has the following beneficial effects:
1. the utility model adopts the structure hoop and the truss to play a role of connecting the reinforced concrete narrow plate and the prefabricated bottom plate, thereby solving the problem of overlarge steel consumption of the traditional triangular truss, facilitating the penetration of the field hydropower pipeline and solving the problem of truss instability caused by overlong steel bars of the traditional space truss.
2. The prestressed reinforcement and the structural hoops in the prefabricated bottom plate form a space reinforcement system, the prefabricated bottom plate is prepressed, the effect is like a bucket with hoops, the crack resistance of the whole bottom plate can be enhanced, and the prefabricated bottom plate can be made thinner.
3. In the utility model, the structural hoop can be lifted to the top of the concrete in actual construction, and the structural hoop and the truss are directly inserted to the bottom of the mould for pouring the concrete bottom plate in manufacturing, so that a cushion block is not required to be positioned up and down, and the production and the manufacturing are more convenient, rapid and efficient.
4. In one embodiment of the utility model, the lower chord ribs or pipes can be arranged in parallel or vertically, and can play a role of an anchor plate when arranged in parallel, so that the pulling resistance of the truss is enhanced; when the steel bar is vertically arranged, the steel bar can be used as a steel bar in the other direction in the prefabricated bottom plate, and the steel consumption is saved.
Drawings
FIG. 1 is a plan view of a reinforced prefabricated floor or beam member;
FIG. 2 is a cross-sectional view of a reinforced prefabricated floor or beam member B-B;
FIG. 3 is a cross-sectional view of a reinforced prefabricated floor or beam member A-A;
FIG. 4 is a schematic view of a structural hoop;
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings of embodiments of the present utility model, in which the description is given for some, but not all embodiments of the present utility model. Many variations, modifications, adaptations, and alternatives of the embodiments may occur to one skilled in the art without departing from the scope of the utility model.
Referring to fig. 1-4, the reinforced precast floor or beam element of the present utility model is comprised of a precast floor panel 3, a reinforced concrete slab 1, a truss 2, and a structural hoop 7.
The reinforced concrete narrow plate 1 is a reinforced concrete precast slab, and the width of the reinforced concrete narrow plate is larger than the maximum span of the truss 2 and smaller than the maximum width of the constructional hoop 7.
Truss 2 is a truss structure common in the art. Truss 2 typically includes a lower chord or tube that is a corrugated, continuously bent, hollow tube or bar. Unlike the prior art, the present utility model uses the reinforced concrete narrow plate 1 to replace the existing truss upper chord steel pipe or steel bar.
The lower chord ribs or the pipes can be arranged in parallel or vertically, and can play a role of an anchor plate when arranged in parallel, so that the pulling resistance of the truss is enhanced; when the steel bar is vertically arranged, the steel bar can be used as a steel bar in the other direction in the prefabricated bottom plate, and the steel consumption is saved.
Various longitudinal reinforcements (not shown) such as steel bars, steel pipes, iron pipes, alloy pipes or bars may be provided in the reinforced concrete slab 1 to further enhance the performance of the concrete slab 1.
The structural hoop 7 may be of open "U" shape in cross section or closed "mouth" shape, figure 4 showing an open "U" shape in cross section. The lower bottom surface horizontal segment part of the constructional hoop is buried in the prefabricated bottom plate, and the other parts extend out of the prefabricated bottom plate. Truss 2 is disposed within structural hoop 7, and the lower chord rib or pipe of truss 2 is placed on the lower bottom horizontal section of structural hoop 7 and buried in prefabricated floor 3 together with the lower bottom horizontal section of structural hoop 7.
In fig. 4, the bottoms of the truss and the structural hoop are directly threaded through the rebar framework hooked into the prefabricated floor; in another embodiment, the bottoms of the truss and the structural hoop may be connected to the prefabricated base plate by a connector, the connector being a lashing wire, steel wire, nylon rope, bayonet, collar, sleeve, latch, set, anchor plate, pier head, connector, screw or perforated pin.
The prefabricated bottom plate is internally provided with reinforcing ribs 9 which are arranged along the length direction of the prefabricated bottom plate and are arranged on the horizontal section part of the lower bottom surface of the constructional hoop at intervals; the plurality of structural hoops and the plurality of reinforcing bars form a spatial framework of reinforcement. The space reinforcing steel bar system has a prepressing effect on the prefabricated bottom plate, has the effect similar to a bucket with a hoop, can strengthen the crack resistance of the whole bottom plate, and can make the prefabricated bottom plate thinner.
The prefabricated bottom plate component also comprises cast-in-situ laminated layer concrete 4 which is cast on the construction hoop and the truss in situ and covers the upper surface of the reinforced concrete narrow plate. And (5) casting the cast-in-situ laminated layer concrete 4 on site to finish the manufacture of the reinforced prefabricated bottom plate component.
When the cast-in-situ laminated layer concrete 4 is not poured, a plurality of reinforcing steel bars 6 can be arranged, and after the pouring is finished, the reinforcing steel bars 6 are formed in the cast-in-situ laminated layer concrete 4.
Claims (6)
1. A reinforced prefabricated floor or beam structure, characterized by: comprising the following steps: prefabricating a bottom plate;
a structural hoop disposed within the preformed bottom panel and disposed along the length of the bottom panel; the section of the structural hoop is in an open U shape or a closed opening shape, the horizontal section of the lower bottom surface of the structural hoop is partially embedded into the prefabricated bottom plate, and the other parts extend out of the prefabricated bottom plate;
truss; the truss is arranged on the horizontal section of the lower bottom surface of the constructional hoop and comprises a lower chord rib or a pipe and a reinforced concrete narrow plate arranged on the lower chord rib or the pipe; the lower chord rib or pipe and the horizontal section part of the lower bottom surface are buried in the prefabricated bottom plate together; the reinforced concrete narrow plate is a precast concrete plate, the width of the reinforced concrete narrow plate is larger than the maximum width of the lower chord rib or the pipe and smaller than the width of the horizontal section of the lower bottom surface of the constructional hoop.
2. The reinforced prefabricated floor or beam element of claim 1, wherein: the lower chord rib or the pipe is a wavy continuous bent whole hollow pipe or a whole reinforcing steel bar; the extending direction of the lower chord rib or the pipe can be parallel to the length direction of the reinforced concrete narrow plate or perpendicular to the length direction of the reinforced concrete narrow plate.
3. The reinforced prefabricated floor or beam element of claim 1, wherein: the cast-in-situ laminated layer concrete is cast on the structural hoops and the trusses on site and covers the upper surfaces of the reinforced concrete narrow plates.
4. The reinforced prefabricated floor or beam element of claim 1, wherein: longitudinal reinforcements can be arranged in the reinforced concrete narrow plates, and the longitudinal reinforcements are steel bars, steel pipes, iron pipes, alloy pipes or material rods.
5. The reinforced prefabricated floor or beam element of claim 1, wherein: the bottoms of the truss and the structural hoop directly penetrate through the steel reinforcement framework hooked in the prefabricated bottom plate; or the bottoms of the truss and the constructional hoop are connected with the prefabricated bottom plate through connecting pieces, and the connecting pieces are binding iron wires, steel wires, nylon ropes, bayonet pieces, lantern rings, sleeves, bolts, buckling, anchoring plates, pier heads, connecting buckles, screw rods or perforating pins.
6. The reinforced prefabricated floor or beam element of claim 1, wherein: reinforcing ribs are arranged in the prefabricated bottom plate, are arranged along the length direction of the prefabricated bottom plate and are arranged on the horizontal section part of the lower bottom surface of the constructional hoop at intervals; the plurality of structural hoops and the plurality of reinforcing bars form a spatial framework of reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592263.7U CN220184419U (en) | 2023-06-21 | 2023-06-21 | Reinforced prefabricated base plate or beam member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592263.7U CN220184419U (en) | 2023-06-21 | 2023-06-21 | Reinforced prefabricated base plate or beam member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184419U true CN220184419U (en) | 2023-12-15 |
Family
ID=89113490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321592263.7U Active CN220184419U (en) | 2023-06-21 | 2023-06-21 | Reinforced prefabricated base plate or beam member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220184419U (en) |
-
2023
- 2023-06-21 CN CN202321592263.7U patent/CN220184419U/en active Active
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