CN221219320U - Prefabricated ribbed bottom plate, template and concrete composite floor slab - Google Patents
Prefabricated ribbed bottom plate, template and concrete composite floor slab Download PDFInfo
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- CN221219320U CN221219320U CN202323210120.8U CN202323210120U CN221219320U CN 221219320 U CN221219320 U CN 221219320U CN 202323210120 U CN202323210120 U CN 202323210120U CN 221219320 U CN221219320 U CN 221219320U
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- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000011065 in-situ storage Methods 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 238000009415 formwork Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The utility model provides a prefabricated ribbed bottom plate, a template and a concrete composite floor slab, which relate to the technical field of buildings and comprise a bottom plate and a plurality of rib plates arranged on the bottom plate at intervals, wherein a plurality of grooves are formed in the bottom plate at equal intervals, the rib plates are convexly arranged on the top surface of the bottom plate and are integrally formed with the bottom plate, and connecting grooves which are communicated with the grooves in one-to-one correspondence are formed in the rib plates, so that concrete of a cast-in-situ layer can be connected with connecting channels formed by the grooves into a whole through the connecting grooves; the top interval of floor is equipped with a plurality of U type grooves that are used for installing transverse reinforcement, the opening in U type groove orientation the top surface of floor, so that transverse reinforcement can be directly put into the U type inslot is spacing. Thereby improving the problem that the existing prefabricated ribbed bottom plate structure is unfavorable for the arrangement of transverse steel bars of the cast-in-situ layer and improving the construction efficiency.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a prefabricated ribbed bottom plate, a template and a concrete composite floor slab.
Background
The composite floor slab is an assembled integral floor slab formed by laminating precast slabs and cast-in-situ layers, wherein the precast slabs are not only one of the components of the floor slab, but also permanent templates of the cast-in-situ layers, and play an important role. Compared with the common precast slab, the existing precast ribbed bottom plate has the advantages that the rigidity of the precast slab is greatly improved by the rib structure, the integrity is good, extra support is not needed to be arranged on site, and the precast ribbed bottom plate has the advantages of easy hoisting and transportation and is widely applied. However, most of the existing rib structures are required to be provided with holes for transverse steel bars to pass through, before casting of a cast-in-situ layer, the transverse steel bars are required to pass through the holes in each rib in sequence, operators are required to move between the ribs in the construction process to penetrate the transverse steel bars in alignment with the holes, and the process affects the speed of arranging the steel bar mesh, so that the construction efficiency is low.
Disclosure of utility model
The utility model discloses a prefabricated ribbed bottom plate, and aims to solve the problem that the existing prefabricated ribbed bottom plate structure is unfavorable for the arrangement of transverse steel bars of a cast-in-situ layer, so that the construction efficiency is low.
The utility model adopts the following scheme:
the prefabricated ribbed bottom plate comprises a bottom plate and a plurality of rib plates arranged on the bottom plate at intervals, wherein a plurality of grooves are formed in the bottom plate at equal intervals, the rib plates are convexly arranged on the top surface of the bottom plate and are integrally formed with the bottom plate, and connecting grooves communicated with the grooves in one-to-one correspondence are formed in the rib plates, so that concrete of a cast-in-situ layer can be connected with connecting channels formed by the connecting grooves and the grooves into a whole; the top interval of floor is equipped with a plurality of U type grooves that are used for installing transverse reinforcement, the opening in U type groove orientation the top surface of floor, so that transverse reinforcement can be directly put into the U type inslot is spacing.
As a further improvement, the connecting groove is arched and penetrates through the rib plate along the extending direction of the groove.
As a further improvement, the grooves are arranged along a straight line, and the groove width of the connecting groove is the same as the groove width of the grooves.
The first side plates and the second side plates are distributed along the periphery of the base plate, a plurality of first grooves for installing the groove plates are uniformly formed in the two opposite first side plates, and a plurality of second grooves for installing the rib templates are uniformly formed in the two opposite second side plates.
As a further improvement, the rib template comprises a cover plate, rib side plates and a connecting plate, wherein the cover plate is provided with two side cover plates which are arranged in parallel and U-shaped steel plates which are arranged between the side cover plates at intervals; the cover plate is arranged between two opposite rib side plates, connecting holes are formed in two ends of each rib side plate, U-shaped holes are uniformly distributed in the upper end of each rib side plate, and arch-shaped holes are uniformly distributed in the lower end of each rib side plate; one end of the connecting plate is provided with a mounting groove, two ends of the rib side plate are inserted into the mounting groove and are locked and limited with the connecting hole through a fastener, and the other end of the connecting plate is propped against the second groove.
As a further improvement, the groove plate is provided with an arched steel plate corresponding to each U-shaped hole.
As a further improvement, the connecting plate is concavely provided with a second limiting part, the second limiting part is used for being in butt joint with the second groove to limit, and the width of the second limiting part is the same as the thickness of the second side plate.
As a further improvement, the height of both sides of the groove plate is the same as the height of the first groove.
The concrete composite floor slab comprises a cast-in-situ concrete layer, longitudinal steel bars, transverse steel bars and the prefabricated ribbed bottom plate, wherein the transverse steel bars are arranged in the U-shaped grooves of the rib plates, the longitudinal steel bars are distributed between two rib plates and are bound with the transverse steel bars to form a steel bar net, and the cast-in-situ concrete layer covers the steel bar net and is connected with the prefabricated ribbed bottom plate into a whole.
As a further improvement, the top surface of the rib plate is leveled with the top surface of the cast-in-situ concrete layer.
By adopting the technical scheme, the utility model can obtain the following technical effects:
According to the application, the plurality of U-shaped grooves are arranged at the top of the rib plate, and the transverse ribs are arranged along the openings of the U-shaped grooves during rib arrangement, so that holes on the rib plate do not need to be penetrated one by one, the operation is convenient, the rib arrangement speed can be improved, and the construction efficiency is further improved. Meanwhile, the arrangement of the U-shaped groove and the connecting groove opens up the area between the rib plates, so that the concrete of the cast-in-situ layer can be communicated with the top end and the bottom end of the rib plates as a whole, and the strength of the composite floor slab is improved. In addition, the arrangement of the grooves strengthens the connection between new and old concrete and increases the shear strength of the composite floor slab. The advantages of the present application are apparent over the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a form according to one embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of a bottom mold plate according to one embodiment of the present utility model;
FIG. 4 is a schematic diagram of a slot plate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a rib form in accordance with one embodiment of the present utility model;
FIG. 6 is an exploded view of a rib form in accordance with one embodiment of the present utility model;
FIG. 7 is a schematic structural view of a connecting plate according to an embodiment of the present utility model;
Fig. 8 is a structural schematic diagram of a reinforcing mesh layout of a cast-in-place concrete layer according to an embodiment of the present utility model;
fig. 9 is a schematic structural view of a concrete composite floor slab according to an embodiment of the present utility model.
Icon: 1-a first side plate; 11-a first groove; 2-a second side plate; 21-a second groove; 31-a trough plate; 32-arch steel plates; 33-fixing holes; 4-rib templates; 411-side cover panels; 412-U-shaped steel plate; 42-rib side plates; 421-connecting holes; 422-U-shaped hole; 423-arch-shaped holes; 43-connecting plates; 431-mounting groove; 44-screw; 45-screw cap; 5-prefabricating transverse ribs of the layers; 6-prefabricating longitudinal ribs of the layers; 7-rib plates; 71-U-shaped groove; 72-connecting grooves; 8-a bottom plate; 81-grooves; 9-cast-in-situ concrete layer; 91-longitudinal rebar; 92-transverse steel bars; 10-fixing bolts.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
With reference to fig. 1, this embodiment provides a prefabricated ribbed bottom plate, which includes a bottom plate 8 and a plurality of ribs 7 disposed on the bottom plate 8 at intervals, wherein a plurality of grooves 81 are disposed on the bottom plate 8 at equal intervals, the ribs 7 are disposed on the top surface of the bottom plate 8 in a protruding manner and integrally formed with the bottom plate 8, and connecting grooves 72 in one-to-one correspondence with the grooves 81 are disposed on the ribs 7, so that concrete of a cast-in-situ layer can be connected into a whole through connecting channels formed by the connecting grooves 72 and the grooves 81; the top of the rib plate 7 is provided with a plurality of U-shaped grooves 71 at intervals for installing the transverse reinforcing steel bars 92, and the openings of the U-shaped grooves 71 face the top surface of the rib plate 7, so that the transverse reinforcing steel bars 92 can be directly placed into the U-shaped grooves 71 for limiting.
In this embodiment, the plurality of grooves 81 are formed on the bottom plate 8 and the connecting grooves 72 in one-to-one correspondence with the grooves 81 are formed on the rib plate 7, so that the concrete of the cast-in-situ layer can be connected into a whole through the connecting channels. The grooves 81 strengthen the connection of new and old concrete, the shear strength of the composite floor slab is improved, and the arrangement of the connecting grooves 72 opens up the area between the rib plates 7 and 7, so that the concrete of the cast-in-situ layer can be connected into a whole. In addition, a plurality of U type grooves 71 that rib 7 top set up, it can to put into the opening of horizontal muscle along U type groove 71 when the cloth muscle, need not the cavity on the one-to-one passing rib 7, convenient operation improves cloth muscle speed, and then promotes the efficiency of construction.
In one embodiment, the connecting groove 72 is arched and extends through the rib 7 in the direction of extension of the recess 81. Preferably, the grooves 81 are arranged along a straight line, and the width of the connecting groove 72 is the same as that of the grooves 81 to facilitate the drawing out of the form. The U-shaped grooves 71 and the connecting grooves 72 are arranged at intervals to ensure that the rib plates 7 are uniformly stressed.
Referring to fig. 2 to 7, the present utility model further provides a prefabricated ribbed bottom plate mold according to any one of the embodiments, including a bottom mold for forming the bottom plate 8 and a rib mold 4 for forming the rib plate 7, wherein the bottom mold includes a base plate, a first side plate 1, a second side plate 2 and a groove plate 31, the first side plate 1 and the second side plate 2 are arranged along the periphery of the base plate, a plurality of first grooves 11 for installing the groove plate 31 are uniformly formed on the two opposite first side plates 1, and a plurality of second grooves 21 for installing the rib mold 4 are uniformly formed on the two opposite second side plates 2. The rib template 4 comprises a cover plate, rib side plates 42 and a connecting plate 43, wherein the cover plate is provided with two side cover plates 411 which are arranged in parallel and U-shaped steel plates 412 which are arranged between the side cover plates 411 at intervals; the cover plate is arranged between two opposite rib side plates 42, the two ends of the rib side plates 42 are provided with connecting holes 421, the upper ends of the rib side plates are uniformly provided with U-shaped holes 422, and the lower ends of the rib side plates are uniformly provided with arched holes 423; one end of the connecting plate 43 is provided with a mounting groove 431, two ends of the rib side plate 42 are inserted into the mounting groove 431 and are locked and limited with the connecting hole 421 through a fastener, and the other end of the connecting plate 43 is propped against the second groove 21.
The manufacturing process of this embodiment is as follows:
(1) The first side plate 1 and the second side plate 2 are welded on a base plate, and a prefabricated layer transverse rib 5 and a prefabricated layer longitudinal rib 6 are arranged on a bottom template to form a prefabricated layer reinforcing mesh;
(2) Fixing holes 33 are formed at two ends of the groove plate 31 and are locked and fixed with the first groove 11 through the fixing bolts 10;
(3) Assembling the rib template 4, inserting two ends of the rib side plate 42 into the mounting grooves 431 of the connecting plate 43, and locking and limiting with the connecting holes 421 by utilizing the screw 44 and the screw cap 45; placing the connection plate 43 on the second groove 21, inserting a cover plate, wherein the length of the cover plate is smaller than the interval between the two side plates and can support the connection plate 43 to prevent the connection plate 43 from being inwardly fallen;
(4) Pouring concrete, and removing the template after the strength of the concrete reaches the requirement. The sequence of removing the form is to remove the nuts 45, screws 44 first, then remove the cover plate and rib side plates 42 in sequence, and finally gradually withdraw each side plate. Thereby completing the manufacture of the prefabricated ribbed bottom plate.
In a preferred embodiment, the trough plate 31 is provided with arched steel plates 32 corresponding to the U-shaped holes 422, and the arched steel plates 32 cooperate with the U-shaped holes 422 to form the connecting grooves 72. By disposing the arched steel plates 32 on the channel plates 31, the structure of the rib form 4 can be simplified, facilitating the installation and removal of the form. Further, the heights of both sides of the trough plate 31 are the same as those of the first trough 11, so that the trough plate 31 can be conveniently fixed on one hand, and on the other hand, a groove 81 can be formed on the bottom plate 8 after the mold is removed, so as to increase the connection strength between the bottom plate 8 and the cast-in-situ concrete layer 9.
In an alternative embodiment of the present utility model, the second limiting portion is concavely disposed on the connecting plate 43, and is used for abutting and limiting the second groove 21, and the width of the second limiting portion is the same as the thickness of the second side plate 2, so that the second limiting portion is well connected with the second groove 21. Preferably, the second limiting portion is provided in a stepped shape. It should be noted that, in this embodiment, the rib form 4 does not need to be welded on site, and the erection of the rib form 4 can be completed by splicing on site after factory processing, so that the construction is convenient and quick.
Referring to fig. 8 and 9, the present utility model further provides a concrete composite floor slab, which comprises a cast-in-situ concrete layer 9, longitudinal steel bars 91, transverse steel bars 92 and the prefabricated ribbed bottom plate according to any of the above embodiments, wherein the transverse steel bars 92 are placed in the U-shaped grooves 71 of the rib plates 7, the longitudinal steel bars 91 are distributed between the two rib plates 7 and are bound with the transverse steel bars 92 to form a steel bar net, and the cast-in-situ concrete layer 9 is covered on the steel bar net and is connected with the prefabricated ribbed bottom plate into a whole. Further, the top surface of the rib plate 7 is leveled with the top surface of the cast-in-situ concrete layer 9, so that the formwork supporting and pouring of the cast-in-situ concrete layer 9 are facilitated. When the cast-in-situ concrete layer 9 is constructed, transverse steel bars 92 are firstly placed in the U-shaped grooves 71, longitudinal steel bars 91 are distributed between the two rib plates 7 and are bound and fixed with the transverse steel bars 92 to form a steel bar net of the cast-in-situ concrete layer, the cast-in-situ concrete layer is communicated with the top end and the bottom end of the rib plates 7 into a whole through the U-shaped grooves 71 and the connecting grooves 72 during pouring, and meanwhile, the grooves 81 are arranged to enable the cast-in-situ concrete layer 9 to be meshed with the prefabricated ribbed bottom plate to form a good connecting effect.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.
Claims (10)
1. The prefabricated ribbed bottom plate is characterized by comprising a bottom plate and a plurality of rib plates arranged on the bottom plate at intervals, wherein a plurality of grooves are formed in the bottom plate at equal intervals, the rib plates are convexly arranged on the top surface of the bottom plate and are integrally formed with the bottom plate, and connecting grooves communicated with the grooves in one-to-one correspondence are formed in the rib plates, so that concrete of a cast-in-situ layer can be connected with connecting channels formed by the connecting grooves and the grooves into a whole; the top interval of floor is equipped with a plurality of U type grooves that are used for installing transverse reinforcement, the opening in U type groove orientation the top surface of floor, so that transverse reinforcement can be directly put into the U type inslot is spacing.
2. The prefabricated ribbed bottom plate of claim 1, wherein the connecting grooves are arched and extend through the rib plate in the direction of extension of the groove.
3. The prefabricated ribbed bottom plate of claim 1, wherein the grooves are arranged in a straight line, and the connecting grooves have the same groove width as the grooves.
4. The prefabricated ribbed bottom plate formwork of claim 1, including a bottom formwork for forming the bottom plate and a rib formwork for forming the rib plate, the bottom formwork including a base plate, a first side plate, a second side plate and a groove plate, the first side plate and the second side plate being disposed along the periphery of the base plate, a plurality of first grooves for mounting the groove plate being uniformly formed in the two opposing first side plates, and a plurality of second grooves for mounting the rib formwork being uniformly formed in the two opposing second side plates.
5. The prefabricated ribbed bottom plate form of claim 4, wherein said ribbed bottom plate includes a cover plate, ribbed side plates, and a connecting plate, said cover plate having two side cover plates disposed in parallel and a U-shaped steel plate disposed in spaced relation between said side cover plates; the cover plate is arranged between two opposite rib side plates, connecting holes are formed in two ends of each rib side plate, U-shaped holes are uniformly distributed in the upper end of each rib side plate, and arch-shaped holes are uniformly distributed in the lower end of each rib side plate; one end of the connecting plate is provided with a mounting groove, two ends of the rib side plate are inserted into the mounting groove and are locked and limited with the connecting hole through a fastener, and the other end of the connecting plate is propped against the second groove.
6. The prefabricated ribbed floor form of claim 5, wherein said channel plate is provided with an arcuate steel plate corresponding to each of said U-shaped holes.
7. The prefabricated ribbed bottom plate formwork of claim 5, wherein the connecting plate is concavely provided with a second limiting portion, the second limiting portion is used for being in abutting limiting with the second groove, and the width of the second limiting portion is the same as the thickness of the second side plate.
8. The form of claim 4 wherein the height of both sides of the channel plate is the same as the height of the first channel.
9. A concrete composite floor slab, which is characterized by comprising a cast-in-situ concrete layer, longitudinal steel bars, transverse steel bars and a prefabricated ribbed bottom plate according to claim 1, wherein the transverse steel bars are arranged in U-shaped grooves of the rib plates, the longitudinal steel bars are distributed between two rib plates and are bound with the transverse steel bars to form a steel bar net, and the cast-in-situ concrete layer is covered on the steel bar net and is connected with the prefabricated ribbed bottom plate into a whole.
10. A concrete composite floor according to claim 9, wherein the top surface of the rib is level with the top surface of the cast-in-place concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210120.8U CN221219320U (en) | 2023-11-24 | 2023-11-24 | Prefabricated ribbed bottom plate, template and concrete composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210120.8U CN221219320U (en) | 2023-11-24 | 2023-11-24 | Prefabricated ribbed bottom plate, template and concrete composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221219320U true CN221219320U (en) | 2024-06-25 |
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ID=91575303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323210120.8U Active CN221219320U (en) | 2023-11-24 | 2023-11-24 | Prefabricated ribbed bottom plate, template and concrete composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221219320U (en) |
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2023
- 2023-11-24 CN CN202323210120.8U patent/CN221219320U/en active Active
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