CN211850267U - Concrete laminated slab - Google Patents
Concrete laminated slab Download PDFInfo
- Publication number
- CN211850267U CN211850267U CN202020274884.0U CN202020274884U CN211850267U CN 211850267 U CN211850267 U CN 211850267U CN 202020274884 U CN202020274884 U CN 202020274884U CN 211850267 U CN211850267 U CN 211850267U
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- Prior art keywords
- slab
- prefabricated
- concrete
- concrete composite
- side plate
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- 239000004567 concrete Substances 0.000 title claims abstract description 88
- 239000002131 composite material Substances 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Panels For Use In Building Construction (AREA)
Abstract
The utility model relates to a concrete composite slab, which belongs to the field of building structural members and comprises a concrete composite slab body, the concrete laminated slab body comprises a precast slab, a concrete cast-in-place layer is arranged above the precast slab, the precast concrete cast-in-situ layer is internally provided with precast steel bars, the precast slabs are internally provided with reinforced steel wires, the precast slab is a rectangular slab, two long side plates and two short side plates are respectively arranged around the precast slab, a plurality of splicing pieces are distributed on the long side plate at one side of the precast slab along the length direction of the precast slab, splicing grooves for the splicing pieces to slide are arranged on the long side plate at the other side of the precast slab along the length direction of the precast slab, a plurality of plug connectors are distributed on one short side plate of the prefabricated plate along the length direction of the prefabricated plate, and a plurality of plug holes for the plug connectors to be inserted are formed in the other short side plate of the prefabricated plate. The utility model discloses the convenient effect of concatenation has.
Description
Technical Field
The utility model belongs to the technical field of the technique of building structure component and specifically relates to a concrete superimposed sheet is related to.
Background
The concrete composite slab is an assembled integral floor slab formed by overlapping a prefabricated slab and a cast-in-place reinforced concrete layer. The concrete composite slab has good integrity, the upper surface and the lower surface of the slab are smooth, the decoration of a finish coat is convenient, and the concrete composite slab is suitable for high-rise buildings and large-bay buildings with higher requirement on the integral rigidity. The construction process saves the procedures of on-site formwork erecting and partial steel bar binding, improves the construction efficiency, saves manpower, and is the embodiment of the industrial production mode of buildings. However, because of reasons such as production and transportation, the floor slab in a room cannot be integrally prefabricated, and in order to solve the problem that the existing precast concrete composite slab is inconvenient to transport and install due to overlarge size, the lower precast slab is often split into a plurality of blocks, and then the lower precast slab is spliced and connected at the installation site.
The existing Chinese patent with the publication number of CN207974314U discloses a prestressed concrete laminated slab, and the key points of the technical scheme are as follows: it includes prefabricated layer and cast-in-place layer, is provided with a plurality of prestressing steel along vertically being provided with in the prefabricated layer, is fixed with a plurality of floors along vertical parallel on the prefabricated layer, all is provided with a plurality of recesses that transversely run through along on the every floor, and recess on the different floors is on same straight line, is provided with the perforated steel bar in the recess, and the perforated steel bar is square waveform, including straightway and square bulge, and the straightway passes the recess, and square bulge is located two and is listed as between the floor, is provided with hollow mould shell below the square bulge. The prefabricated layer of the prestressed concrete composite slab is provided with the ribbed slab, and the ribbed slab is provided with the groove, so that the prefabricated layer and the cast-in-place layer can be tightly meshed, and the integrity is improved; the utility model discloses a fixed hollow mould shell of perforation reinforcing bar packs heat preservation sound insulation combined material in the hollow mould shell, has both alleviateed superimposed sheet's weight, can play the sound-proof effect of heat preservation again.
The above prior art solutions have the following drawbacks: when the concrete composite slabs are used for construction, a plurality of concrete composite slabs need to be assembled together on site and then spliced on site, the two adjacent concrete composite slabs are connected through steel bar welding or other machines in the splicing process by the technical scheme, the connection procedure is complex, and the operation is inconvenient in connection because the construction site is usually messy.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a concrete superimposed sheet has the convenient advantage of concatenation.
The utility model aims at realizing through the following technical scheme:
the utility model provides a concrete superimposed sheet, includes the concrete superimposed sheet body, the concrete superimposed sheet body includes the prefabricated plate, the top of prefabricated plate is provided with the cast-in-place layer of concrete, be provided with the prefabricated steel bar in the cast-in-place layer of concrete, be provided with the enhancement steel wire in the prefabricated plate, the prefabricated plate is rectangular shaped plate, be provided with two rectangular side boards and two short side boards around the prefabricated plate respectively, it has a plurality of splicers to distribute along self length direction on the rectangular side board of prefabricated plate wherein one side, set up along self length direction on the rectangular side board of prefabricated plate opposite side and supply the gliding splice groove of splice, it has a plurality of plug connectors to distribute along self length direction on one of them short side board of prefabricated plate, set up a plurality of spliced eyes that supply the plug connector to insert the establishment on another short side.
By adopting the technical scheme, after the first concrete composite slab is installed, when the concrete composite slab adjacent to the long side plate of the first concrete composite slab is installed, splicing pieces on the long side plate of the adjacent concrete composite slab are inserted into splicing grooves on the long side plate of the first concrete composite slab, so that the position between the two concrete composite slabs is fixed; when the short side plate of the first concrete superimposed sheet is adjacent to the installed concrete superimposed sheet, the plug connectors on the short side plate of the adjacent concrete superimposed sheet are inserted into the plug holes formed in the short side plate of the first concrete superimposed sheet, and the position between the two concrete superimposed sheets is fixed.
The utility model discloses a further set up to: the splicing pieces comprise dovetail blocks, the splicing grooves are dovetail grooves, embedded rods are arranged in the concrete cast-in-place layers and located on one sides of the dovetail blocks, and the dovetail blocks are fixedly connected with the embedded rods.
Through adopting above-mentioned technical scheme, set up pre-buried pole through the one side at the forked tail piece to with pre-buried pole pre-buried in the cast-in-place layer of concrete, improve overall structure's stability.
The utility model discloses a further set up to: the positioning block is arranged at one end, located in the splicing groove, of the long side plate, the containing groove is formed in the bottom wall of the splicing groove, the abutting spring is arranged in the containing groove, and the positioning block is arranged at one end, far away from the bottom wall of the containing groove, of the abutting spring.
Through adopting above-mentioned technical scheme, when the dovetail block on the long curb plate with a concrete superimposed sheet splices the dovetail on another concrete superimposed sheet's the long curb plate, press into the constant head tank with the locating piece in, then promote the dovetail block to the dovetail in, after the dovetail block that is located terminal passes through the dovetail, the locating piece stretches out outside the holding tank under the spring action of abutting the spring, the realization is to the injecing that is located terminal dovetail groove position, thereby make the dovetail block can't shift out from the dovetail, the realization is to the fixed of position between two concrete superimposed sheets.
The utility model discloses a further set up to: one end of the abutting spring, which is far away from the positioning block, is provided with an embedded block, and the embedded block is arranged in a concrete cast-in-situ layer.
Through adopting above-mentioned technical scheme, set up the pre-buried piece through the one end of keeping away from the locating piece at supporting tight spring to with the pre-buried piece pre-buried in the cast-in-place layer of concrete, realize the fixed to supporting tight spring position, make to support tight spring installation stable.
The utility model discloses a further set up to: one end of prefabricated reinforcing bar extends to the outside of one of them short curb plate, the fixed one end that sets up outside the prefabricated reinforcing bar is located the short curb plate of plug connector.
Through adopting above-mentioned technical scheme, through with the fixed one end that sets up outside prefabricated reinforcing bar is located the short curb plate of plug connector to fix the position of plug connector, thereby make the plug connector installation stable.
The utility model discloses a further set up to: the one end that prefabricated reinforcing bar kept away from the plug connector is provided with supplementary grafting piece, the spliced eye is seted up in the middle part of supplementary grafting piece.
Through adopting above-mentioned technical scheme, set up supplementary grafting piece through the one end of keeping away from the plug connector at prefabricated steel bar to set up the spliced eye at supplementary grafting piece's middle part, insert the grafting piece of a concrete superimposed sheet and establish rather than the spliced eye of the adjacent concrete superimposed sheet of short side plate, realize the fixed of position between two concrete superimposed sheets.
The utility model discloses a further set up to: and reinforcing steel bars are arranged around the concrete cast-in-place layer.
Through adopting above-mentioned technical scheme, through set up the reinforcing bar around the cast-in-place layer of concrete, improve the intensity on the cast-in-place layer of concrete to improve overall structure's stability.
To sum up, the utility model discloses a following beneficial technological effect:
1. the utility model discloses a there are a plurality of splicers along self length direction distribution on the long curb plate of prefabricated plate one of them side to set up along self length direction on the long curb plate of prefabricated plate opposite side and supply the gliding splice groove of splice, so that to two adjacent concrete superimposed sheet connections on length direction.
2. The utility model discloses a distribute along self length direction on one of them short curb plate of prefabricated plate has a plurality of plug connectors to set up a plurality of confession plug connectors on another short curb plate of prefabricated plate and insert the spliced eye of establishing, so that to two adjacent concrete superimposed sheet at the ascending connection of width direction.
Drawings
Fig. 1 is a schematic view of a first structure of an embodiment of the present invention, which is used for showing the overall structure of a concrete composite slab body.
Fig. 2 is a schematic view of the internal structure of the prefabricated panel according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention, which is used for showing the structure after the concrete cast-in-place layer is removed.
Fig. 4 is a schematic view of a third structure according to an embodiment of the present invention, for showing the structure after the concrete cast-in-place layer is removed.
Fig. 5 is a cross-sectional view of a long side plate according to an embodiment of the present invention, for showing a structural diagram of a positioning block in the long side plate.
In the figure, 1, a prefabricated plate; 11. reinforcing steel wires; 12. a long side plate; 121. splicing pieces; 1211. a dovetail block; 1212. pre-burying a rod; 122. splicing grooves; 123. accommodating grooves; 13. short side plates; 131. a plug-in unit; 132. an auxiliary plug-in block; 1321. inserting holes; 2. a concrete cast-in-place layer; 21. prefabricating a steel bar; 22. reinforcing steel bars; 3. positioning blocks; 31. the spring is tightly propped; 32. and (6) embedding blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, for the utility model discloses a concrete composite slab, including the concrete composite slab body, the concrete composite slab body includes prefabricated plate 1, and prefabricated plate 1's top is provided with cast-in-place layer of concrete 2, combines fig. 3, is provided with precast reinforcement 21 in the cast-in-place layer of concrete 2, and cast-in-place layer of concrete 2 is provided with reinforcing bar 22 all around to improve cast-in-place layer of concrete 2's intensity, thereby improve overall structure's stability, be provided with in the prefabricated plate 1 and strengthen steel wire 11, in order to improve prefabricated plate 1's intensity.
As shown in fig. 3 and 4, the prefabricated slab 1 is a rectangular slab, two long side plates 12 and two short side plates 13 are respectively arranged around the prefabricated slab 1, a plurality of splicers 121 are distributed on the long side plate 12 on one side of the prefabricated slab 1 along the length direction of the prefabricated slab, each splice 121 comprises a dovetail block 1211, an embedded rod 1212 is arranged in the cast-in-place concrete layer 2 and on one side of each dovetail block 1211, each dovetail block 1211 is fixedly connected with the embedded rod 1212, the embedded rods 1212 are arranged on one side of each dovetail block 1211 and embedded in the cast-in-place concrete layer 2, the stability of the whole structure is improved, the splicing grooves 122 for the splicers 121 to slide are formed in the long side plate 12 on the other side of the prefabricated slab 1 along the length direction of the prefabricated slab, and the splicing grooves 122 are formed in dovetail grooves.
As shown in fig. 3 and 5, a positioning block 3 is disposed on one end of the long side plate 12, which is located at the splicing groove 122, an accommodating groove 123 is disposed on the bottom wall of the splicing groove 122, a tightening spring 31 is disposed in the accommodating groove 123, the positioning block 3 is fixedly connected to one end of the tightening spring 31, which is away from the bottom wall of the accommodating groove 123, when the dovetail block 1211 on the long side plate 12 of one concrete composite slab is spliced to the dovetail groove on the long side plate 12 of another concrete composite slab, the positioning block 3 is pressed into the positioning groove, and then the dovetail block 1211 is pushed into the dovetail groove, after the dovetail block 1211 located at the tail end passes through the dovetail groove, the positioning block 3 extends out of the accommodating groove 123 under the elastic force of the tightening spring 31, so as to limit the position of the dovetail groove located at the tail end, and thus the dovetail block 1211 cannot move out of the dovetail groove, and; one end of the abutting spring 31, which is far away from the positioning block 3, is provided with an embedded block 32, and the embedded block 32 is arranged in the concrete cast-in-place layer 2, so that the position of the abutting spring 31 is fixed, and the abutting spring 31 is stably installed.
As shown in fig. 3 and 4, a plurality of plug connectors 131 are distributed on one of the short side plates 13 of the prefabricated slab 1 along the length direction thereof, one end of the prefabricated steel bar 21 extends to the outside of one of the short side plates 13, the plug connectors 131 are welded at one end of the prefabricated steel bar 21 outside the short side plate 13, and in this embodiment, the plug connectors 131 are round plug rods; a plurality of plug-in holes 1321 for the plug connectors 131 to be inserted are formed in the other short side plate 13 of the prefabricated plate 1, the auxiliary plug-in block 132 is welded at one end, away from the plug connectors 131, of the prefabricated steel bars 21, the plug-in holes 1321 are formed in the middle of the auxiliary plug-in block 132, circular plug rods are inserted into the plug holes in the auxiliary plug-in block 132, and the two concrete composite slabs are positioned.
The utility model discloses a concrete working process does: after the first concrete composite slab is installed, when the concrete composite slab adjacent to the long side plate 12 of the first concrete composite slab is installed, the splicing pieces 121 on the long side plates 12 of the adjacent concrete composite slabs are inserted into the splicing grooves 122 on the long side plates 12 of the first concrete composite slab, so that the position between the two concrete composite slabs is fixed; when the concrete composite slab adjacent to the short side plate 13 of the first concrete composite slab is installed, the plug connectors 131 on the short side plate 13 of the adjacent concrete composite slab are inserted into the plug holes 1321 on the short side plate 13 of the first concrete composite slab, so that the fixation of the positions between the two concrete composite slabs is realized.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a concrete composite slab, includes the concrete composite slab body, the concrete composite slab body includes prefabricated plate (1), the top of prefabricated plate (1) is provided with cast-in-place layer of concrete (2), be provided with precast reinforcement (21) in cast-in-place layer of concrete (2), be provided with in prefabricated plate (1) and strengthen steel wire (11), its characterized in that: the prefabricated slab (1) is a rectangular slab, two long side plates (12) and two short side plates (13) are arranged on the periphery of the prefabricated slab (1) respectively, a plurality of splicing pieces (121) are distributed on the long side plate (12) on one side of the prefabricated slab (1) along the length direction of the prefabricated slab, splicing grooves (122) for the splicing pieces (121) to slide are formed in the long side plate (12) on the other side of the prefabricated slab (1) along the length direction of the prefabricated slab, a plurality of plug connectors (131) are distributed on one short side plate (13) of the prefabricated slab (1) along the length direction of the prefabricated slab, and a plurality of plug-in holes (1321) for the plug connectors (131) to be inserted are formed in the other short side plate (13) of the prefabricated slab (1).
2. A concrete composite according to claim 1 wherein: splice (121) include dovetail block (1211), splice groove (122) are the dovetail, in cast-in-place layer of concrete (2) and be located every one side of dovetail block (1211) all is provided with embedded pole (1212), dovetail block (1211) and embedded pole (1212) fixed connection.
3. A concrete composite according to claim 2 wherein: the positioning block (3) is arranged at one end, located in the splicing groove (122), of the long side plate (12), the accommodating groove (123) is formed in the bottom wall of the splicing groove (122), the abutting spring (31) is arranged in the accommodating groove (123), and the positioning block (3) is arranged at one end, far away from the bottom wall of the accommodating groove (123), of the abutting spring (31).
4. A concrete composite according to claim 3 wherein: one end of the abutting spring (31) far away from the positioning block (3) is provided with an embedded block (32), and the embedded block (32) is arranged in the concrete cast-in-place layer (2).
5. A concrete composite according to claim 1 wherein: one end of the prefabricated steel bar (21) extends to the outside of one of the short side plates (13), and the plug connector (131) is fixedly arranged at one end of the prefabricated steel bar (21) located outside the short side plate (13).
6. A concrete composite according to claim 5 wherein: one end, far away from the plug connector (131), of the prefabricated steel bar (21) is provided with an auxiliary plug-in block (132), and a plug hole (1321) is formed in the middle of the auxiliary plug-in block (132).
7. A concrete composite according to claim 1 wherein: and reinforcing steel bars (22) are further arranged around the concrete cast-in-place layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274884.0U CN211850267U (en) | 2020-03-07 | 2020-03-07 | Concrete laminated slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020274884.0U CN211850267U (en) | 2020-03-07 | 2020-03-07 | Concrete laminated slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211850267U true CN211850267U (en) | 2020-11-03 |
Family
ID=73239254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020274884.0U Expired - Fee Related CN211850267U (en) | 2020-03-07 | 2020-03-07 | Concrete laminated slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211850267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977291A (en) * | 2023-03-20 | 2023-04-18 | 秦皇岛永瑞装配式建筑科技有限公司 | Prefabricated coincide floor of assembled |
-
2020
- 2020-03-07 CN CN202020274884.0U patent/CN211850267U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977291A (en) * | 2023-03-20 | 2023-04-18 | 秦皇岛永瑞装配式建筑科技有限公司 | Prefabricated coincide floor of assembled |
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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: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |