CN220377534U - Prefabricated unidirectional laminated slab anchoring support beam structure - Google Patents
Prefabricated unidirectional laminated slab anchoring support beam structure Download PDFInfo
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- CN220377534U CN220377534U CN202321848416.XU CN202321848416U CN220377534U CN 220377534 U CN220377534 U CN 220377534U CN 202321848416 U CN202321848416 U CN 202321848416U CN 220377534 U CN220377534 U CN 220377534U
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- 238000004873 anchoring Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000002131 composite material Substances 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 7
- 239000011800 void material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000010923 batch production Methods 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 108010068370 Glutens Proteins 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of building structures, and particularly relates to a prefabricated unidirectional laminated slab anchoring support beam structure, which comprises a support beam and a prefabricated unidirectional laminated slab connected to one side of the support beam; the bottom ribs are uniformly distributed in the stress direction of the prefabricated unidirectional laminated slab, the end parts of the bottom ribs are bent in a Z shape to form end part flying ribs, and the end part flying ribs are bent below the beam surface steel bars of the support beams; l-shaped steel bars are uniformly arranged in the length direction of the support Liang Yanliang, and the horizontal sections of the L-shaped steel bars extend into the beam for anchoring. According to the anchoring support beam structure of the prefabricated unidirectional laminated slab, the end part of the bottom rib of the prefabricated unidirectional laminated slab is bent to form the end part flying rib, so that the prefabricated layer concrete side die is avoided, differentiated steel bar holes are prevented from being reserved on the die plate, and batch production of the prefabricated layer is realized; the bent end part flying rib can be directly inserted below the beam surface steel bar during installation, so that the beam surface steel bar is avoided, batch production of factories is realized, field barrier-free installation is realized, and the efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of building structures, and particularly relates to a prefabricated unidirectional laminated slab anchoring support beam structure.
Background
With the development of building industrialization, more and more buildings are built in an assembled mode, and laminated slabs as main prefabricated members are playing an increasingly important role. According to the atress condition, prefabricated superimposed sheet usually designs and divide into prefabricated two-way superimposed sheet and prefabricated one-way superimposed sheet, and wherein, the preparation installation flow of prefabricated one-way superimposed sheet is: firstly, manufacturing a prefabricated layer in a factory, then transporting to a construction site for positioning and mounting, and finally pouring the cast-in-situ layer. Therefore, whether the prefabricated unidirectional laminated slab can be used efficiently or not depends mainly on whether the prefabricated unidirectional laminated slab can be produced in batch in a factory or not and whether the prefabricated unidirectional laminated slab can be installed on site without barriers or not.
At present, the problem that the bottom rib and the beam gluten conflict exists in the manufacturing and mounting process of the prefabricated unidirectional laminated slab, when the prefabricated unidirectional laminated slab is installed on site, manual adjustment is needed by workers, the workload is large, the time consumption is long, and the efficiency is low.
Disclosure of Invention
In order to solve at least one or more of the above technical problems, the present utility model provides a prefabricated unidirectional composite slab anchoring support beam structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a prefabricated unidirectional laminated slab anchoring support beam structure comprises a support beam and a prefabricated unidirectional laminated slab connected to one side of the support beam;
the bottom ribs are uniformly distributed in the stress direction of the prefabricated unidirectional laminated slab, the end parts of the bottom ribs are bent in a Z shape to form end part flying ribs, and the end part flying ribs are bent below the beam surface steel bars of the support beams;
l-shaped steel bars are uniformly arranged in the length direction of the support Liang Yanliang, and the horizontal sections of the L-shaped steel bars extend into the beam for anchoring.
Further, the end flying ribs are parallel to the stress direction of the prefabricated unidirectional laminated slab.
Further, the length of the end flying rib extending below the beam surface reinforcing steel bar is not less than 50mm.
Further, the diameters of the end flying ribs and the diameters of the L-shaped steel bars are the same, and the distance between the adjacent end flying ribs and the distance between the adjacent L-shaped steel bars are the same.
Further, the vertical section of the L-shaped steel bar extends upwards to be flush with the beam surface steel bar, and the anchoring length of the horizontal section of the L-shaped steel bar extending into the beam is more than or equal to 12d and at least to Liang Zhongxian, wherein d is the diameter of the L-shaped steel bar.
Further, a clearance distance is arranged between the support beam and the prefabricated unidirectional superimposed sheet.
Further, the width of the clearance distance is 100mm.
Further, plate bottom steel bars parallel to the length direction of the beams are arranged in the clearance distance, and two ends of the plate bottom steel bars respectively extend into the beams on two adjacent sides to be anchored.
Furthermore, the two ends of the plate bottom steel bars respectively extend into the adjacent two side beams to be anchored with a length not less than 320mm.
Compared with the prior art, the utility model has at least the following technical effects or advantages:
according to the prefabricated unidirectional laminated slab anchoring support beam structure, the end part of the bottom rib of the prefabricated unidirectional laminated slab is bent to form the end part flying rib, so that a prefabricated layer concrete side die is avoided, differentiated steel bar holes are prevented from being reserved on a template, and batch production of the prefabricated layer is realized; the bent end flying rib can be directly inserted below the beam surface steel bar during installation, so that the beam surface steel bar is avoided, the field workload is greatly saved, the batch production of factories is realized, the industrial target of the field barrier-free installation is realized, the workload is effectively reduced, and the efficiency is improved.
Drawings
FIG. 1 is a top view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
fig. 3 is a schematic structural view of an L-shaped reinforcing bar according to an embodiment of the present utility model.
Wherein: 1-a support beam; 11-beam face steel bars; 12-L-shaped steel bars; 2-prefabricating a unidirectional laminated slab; 21-a bottom rib; 22-end flying ribs; 23-prefabricating layers; 24-a cast-in-situ layer; 3-reserving a distance; 31-plate bottom steel bar.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.
Examples:
as shown in fig. 1, 2 and 3, the embodiment of the utility model provides a prefabricated unidirectional laminated slab anchoring support beam structure, which comprises a support beam 1 and a prefabricated unidirectional laminated slab 2 connected to one side of the support beam 1;
the bottom ribs 21 are uniformly distributed in the stress direction of the prefabricated unidirectional laminated slab 2, the end parts of the bottom ribs 21 are bent in a Z shape to form end part flying ribs 22, and the end part flying ribs 22 are bent below the beam surface steel bars 11 of the support beam 1;
the support beam 1 is uniformly provided with L-shaped steel bars 12 along the length direction of the beam, and the horizontal section of the L-shaped steel bars 12 extends into the beam for anchoring.
In a specific implementation process, as shown in fig. 2, the prefabricated unidirectional laminated slab 2 in the embodiment of the present utility model includes a prefabricated layer 23 and a cast-in-situ layer 24; the prefabricated layer 23 of the prefabricated unidirectional composite slab 2 is cast during prefabrication, and the cast-in-place layer 24 is cast in situ after being mounted on the support beam 1. Before the precast layer 23 is poured, the bottom rib 21 in the stress direction of the precast unidirectional laminated slab 2 is bent in a Z shape to form an end flying rib 22. The end part flying rib 22 is bent upwards near one end of the prefabricated layer 23, so that a concrete side mould of the prefabricated layer 23 is avoided, and differentiated steel bar holes are prevented from being reserved on the mould plate; the end of the end flying rib 22 away from the prefabricated layer 23 is bent downwards, so that when the prefabricated unidirectional composite slab 2 is installed, the end flying rib 22 can be directly inserted below the beam surface reinforcing steel bar 11 to avoid the beam surface reinforcing steel bar 11, wherein the angle alpha of the end flying rib 22 bent downwards away from the prefabricated layer 23 is larger than 90 degrees, and preferably 100 degrees.
According to the prefabricated unidirectional laminated slab anchoring support beam structure provided by the embodiment of the utility model, the end part flying ribs are formed by bending the bottom rib ends of the prefabricated unidirectional laminated slab, so that the prefabricated layer concrete side mould is avoided, differentiated steel bar holes are prevented from being reserved on the mould plate, and the batch production of the prefabricated layers is realized; the bent end flying rib can be directly inserted below the beam surface steel bar during installation, so that the beam surface steel bar is avoided, the field workload is greatly saved, the batch production of factories is realized, the industrial target of the field barrier-free installation is realized, the workload is effectively reduced, and the efficiency is improved.
In one possible embodiment, as shown in fig. 1, the direction of extension of the end rib 22 in the example of the present utility model is parallel to the direction of the stress of the prefabricated unidirectional composite sheet. This makes it possible to more equalize the stress of the prefabricated unidirectional composite sheet 2.
In one possible embodiment, as shown in fig. 1 and 2, the length of the end flying rib 22 extending below the face rebar 11 in the example of the present utility model is not less than 50mm. By means of the design, the connection stability of the support beam 1 and the prefabricated unidirectional laminated slab 2 can be better guaranteed.
In a possible embodiment, in order to further ensure the connection stability of the support beam 1 and the prefabricated unidirectional composite slab 2, the end flying ribs 22 and the L-shaped steel ribs 12 in the embodiment of the present utility model are steel bars with the same type and the same diameter, and the spacing between adjacent end flying ribs 22 is the same as the spacing between adjacent L-shaped steel ribs 12.
In a possible embodiment, in order to better ensure the connection stability of the support beam 1 and the prefabricated unidirectional composite slab 2, as shown in fig. 2, the vertical section of the L-shaped steel bar 12 in the embodiment of the present utility model extends upwards to be flush with the beam surface steel bar 11, and the horizontal section of the L-shaped steel bar 12 extends into the beam to have an anchoring length of equal to or greater than 12d and at least to Liang Zhongxian, where d is the diameter of the L-shaped steel bar.
In a possible embodiment, in order to facilitate the mounting of the prefabricated unidirectional composite sheet 2 onto the support beam 1, as shown in fig. 1 and 2, an embodiment of the utility model provides a clearance distance 3 between the support beam 1 and the prefabricated unidirectional composite sheet 2. By setting the clearance distance 3, enough operation space can be provided for anchoring the end flying rib 22 of the prefabricated unidirectional laminated slab 2 below the beam surface reinforcing steel bar 11, and barrier-free installation is further realized. The width of the clearance distance 3 in the embodiment of the present utility model is preferably 100mm, and of course, the width may be adjusted according to actual requirements, which is not limited herein.
In a specific implementation, it should be noted that the length of the end flybar 22 is matched to the width of the clearance 3, for example: when the width of the clearance distance 3 is 100mm, the vertical projection length of the end flying rib 22 should be not less than 150mm; when the width of the clearance distance 3 is 150mm, the vertical projection length of the end flying rib 22 should be not less than 200mm, and so on, and will not be described in detail herein.
In a possible embodiment, in order to ensure the structural strength and stability at the clearance distance 3, as shown in fig. 2, the embodiment of the present utility model arranges the plate bottom steel bars 31 parallel to the beam length direction in the clearance distance 3, and two ends of the plate bottom steel bars 31 respectively extend into the adjacent two side beams to be anchored. By arranging the plate bottom steel bars 31, the structural strength and stability of the space 3 can be effectively improved.
In a possible embodiment, in order to ensure the stability of the connection position of the plate bottom steel bars 31, the length of the anchoring of the two ends of the plate bottom steel bars 31 extending into the adjacent two side beams is not less than 320mm in the embodiment of the utility model. By respectively extending the two ends of the plate bottom steel bars 31 into the adjacent two side beams for anchoring, the stability of the joint of the plate bottom steel bars 31 can be effectively ensured.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The prefabricated unidirectional laminated slab anchoring support beam structure is characterized by comprising a support beam and a prefabricated unidirectional laminated slab connected to one side of the support beam;
the bottom ribs are uniformly distributed in the stress direction of the prefabricated unidirectional laminated slab, the end parts of the bottom ribs are bent in a Z shape to form end part flying ribs, and the end part flying ribs are bent below the beam surface steel bars of the support beams;
l-shaped steel bars are uniformly arranged in the length direction of the support Liang Yanliang, and the horizontal sections of the L-shaped steel bars extend into the beam for anchoring.
2. The prefabricated unidirectional composite anchor stock beam construction of claim 1, wherein the end flybars are parallel to the direction of force applied to the prefabricated unidirectional composite.
3. The prefabricated unidirectional composite anchor stock beam construction of claim 1, wherein the length of the end flying rib extending below the face steel bar is not less than 50mm.
4. The prefabricated unidirectional composite anchor-in support beam construction of claim 1, wherein the end flying ribs have the same diameter as the L-shaped steel bars, and the spacing between adjacent end flying ribs is the same as the spacing between adjacent L-shaped steel bars.
5. The prefabricated unidirectional composite anchor support beam construction of claim 1, wherein the vertical section of the L-shaped rebar extends upwardly to be flush with the beam face rebar, and the horizontal section of the L-shaped rebar extends into the beam for an anchoring length of 12d or more and at least Liang Zhongxian, wherein d is the diameter of the L-shaped rebar.
6. The prefabricated unidirectional composite anchor stock beam construction of claim 1, wherein a clearance distance is provided between the stock beam and the prefabricated unidirectional composite.
7. The prefabricated unidirectional composite anchor stock beam construction of claim 6, wherein the void distance has a width of 100mm.
8. The prefabricated unidirectional composite anchor support beam structure of claim 7, wherein plate bottom steel bars parallel to the length direction of the beams are arranged in the clearance distance, and two ends of the plate bottom steel bars extend into adjacent two-side beams respectively for anchoring.
9. The prefabricated unidirectional composite anchor support beam structure of claim 8, wherein the two ends of the plate bottom steel bar respectively extend into the adjacent two side beams to be anchored by a length not less than 320mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321848416.XU CN220377534U (en) | 2023-07-13 | 2023-07-13 | Prefabricated unidirectional laminated slab anchoring support beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321848416.XU CN220377534U (en) | 2023-07-13 | 2023-07-13 | Prefabricated unidirectional laminated slab anchoring support beam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220377534U true CN220377534U (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321848416.XU Active CN220377534U (en) | 2023-07-13 | 2023-07-13 | Prefabricated unidirectional laminated slab anchoring support beam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220377534U (en) |
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2023
- 2023-07-13 CN CN202321848416.XU patent/CN220377534U/en active Active
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