CN216239247U - Laminated floor slab with hollow mold - Google Patents
Laminated floor slab with hollow mold Download PDFInfo
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- CN216239247U CN216239247U CN202122225256.0U CN202122225256U CN216239247U CN 216239247 U CN216239247 U CN 216239247U CN 202122225256 U CN202122225256 U CN 202122225256U CN 216239247 U CN216239247 U CN 216239247U
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- slab
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- reinforcing mesh
- prefabricated layer
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 51
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 17
- 238000011065 in-situ storage Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a laminated floor slab with hollow moulds, which comprises a prefabricated layer and a cast-in-place layer, wherein a slab bottom reinforcing mesh is arranged in the prefabricated layer, a slab surface reinforcing mesh is arranged in the cast-in-place layer, a plurality of hollow moulds are distributed on the upper surface of the prefabricated layer, the hollow moulds are positioned in the cast-in-place layer and are positioned below the slab surface reinforcing mesh, and the slab bottom reinforcing mesh and the slab surface reinforcing mesh are connected through reinforcing connectors positioned between two adjacent hollow moulds. The slab bottom reinforcing mesh and the slab surface reinforcing mesh are connected through the reinforcing steel bar connecting pieces, so that the cast-in-place layer and the prefabricated layer are stably connected, the anti-seismic performance is improved, the prefabricated layer is light and thin, the transportation and the hoisting are convenient, excessive space cannot be occupied due to the thickness of the floor slab in the transportation process, the hollow mold is not easily damaged, and the problems of inconvenient transportation and hoisting caused by the fact that the hollow mold is pre-buried in the prefabricated layer of the existing laminated hollow floor slab are solved. The utility model can be directly manufactured in the existing component factory according to the mode of producing the laminated plate without adding a new working procedure.
Description
Technical Field
The utility model relates to a composite floor slab, in particular to a composite floor slab with a hollow mold.
Background
With the development of industrial technology in recent years, China actively explores and develops assembly type buildings. The 'guidance suggestion about the rapid development of the prefabricated building' in the office of the State Council '2016' 71 issued by the office of the State office indicates that the prefabricated concrete structure needs to be developed according to local conditions, and the time of about 10 years is strived for, so that the prefabricated building occupies 30% of the newly-built building. On the other hand, the standard system needs to be perfected, and the technical innovation needs to be strengthened.
With the development of the prefabricated building greatly promoted by the country, the composite floor slab becomes the most common prefabricated structural member applied to the current prefabricated building due to the advantages of standardized design, industrialized manufacturing, high installation mechanization degree, better structural integral rigidity, superior seismic performance, better economic benefit and the like, and comprises a prefabricated layer and a cast-in-place layer. The cast-in-place hollow floor has the advantages of reducing the dead weight of the structure, increasing the rigidity of the floor slab, shortening the construction period, improving the sound insulation effect, reducing the construction cost and the like due to the hollow mold product arranged in the structure, and is particularly suitable for multi-story high-rise buildings with large column nets, large bay, large space, large span and large load. The composite hollow floor slab combines the composite floor slab and hollow floor slab technology, and has more obvious advantages.
The hollow mould of pre-buried in the prefabricated layer is usually in the hollow floor of current coincide, and hollow mould part is pre-buried in the prefabricated in situ and the prefabricated layer of part exposure, but, hollow mould general thickness is higher, if the problem of inconvenient transportation and hoist is caused easily at the pre-buried hollow mould in the prefabricated position on prefabricated layer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the composite floor slab with the hollow mould, which has the advantages of simple structure, convenient construction, low manufacturing cost, construction efficiency improvement and earthquake-resistant performance improvement.
The purpose of the utility model is realized by the following technical scheme: the utility model provides a take coincide floor of empty core mould, includes prefabricated layer and cast-in-place layer, its characterized in that be equipped with bottom of the slab reinforcing bar net in the prefabricated layer be equipped with face reinforcing bar net in the cast-in-place layer a plurality of empty core moulds are arranged to the upper surface on prefabricated layer, just empty core mould is located cast-in-place in situ and is in the below of face reinforcing bar net, bottom of the slab reinforcing bar net and face reinforcing bar net link to each other through the steel bar connection spare that is located between the two adjacent empty core moulds.
The hollow mould is placed on the upper surface of the prefabricated layer, the whole hollow mould is positioned in the cast-in-place layer, the slab bottom reinforcing mesh of the prefabricated layer is connected with the slab surface reinforcing mesh of the cast-in-place layer through the reinforcing steel bar connecting piece, so that the cast-in-place layer and the prefabricated layer are stably connected, the anti-seismic performance is improved, the prefabricated layer is light and thin, the transportation and the hoisting are convenient, too much space cannot be occupied due to the thickness of the floor slab in the transportation process, the hollow mould is not easily crushed, and the problem of inconvenience in transportation and hoisting caused by the fact that the hollow mould is pre-buried in the prefabricated layer of the existing laminated hollow floor slab is solved. In addition, the composite floor slab with the hollow mold can be directly manufactured in the existing member factory according to the mode of producing the composite slab without adding a new working procedure.
The steel bar connecting piece comprises truss steel bars and S-shaped tie bars, wherein the truss steel bars and the S-shaped tie bars are pre-buried in a prefabricated layer, the lower portions of the truss steel bars are located in the prefabricated layer, the tops of the truss steel bars are exposed out of the prefabricated layer, the bottoms of the truss steel bars are connected with a steel bar net at the bottom of a plate, the tops of the truss steel bars are connected with the lower ends of the S-shaped tie bars, and the upper ends of the S-shaped tie bars are connected with the steel bar net at the surface of the plate. According to the utility model, the truss steel bars are arranged in the prefabricated layer, and the truss steel bars are connected with the plate surface steel bar mesh through the S-shaped tie bars, so that the cast-in-place layer and the prefabricated layer are connected more stably, the S-shaped tie bars can improve the shearing resistance, and the hollow mould is not easy to run.
The plate surface reinforcing mesh is formed by binding on site or welded reinforcing mesh sheets are adopted.
The truss reinforcing steel bar comprises a pair of web member reinforcing steel bars and upper chord reinforcing steel bars connected with the upper ends of the web member reinforcing steel bars, the lower parts of the web member reinforcing steel bars are embedded in a prefabricated layer, the upper ends of the web member reinforcing steel bars and the upper chord reinforcing steel bars are exposed out of the prefabricated layer, the lower ends of the web member reinforcing steel bars are connected with the slab bottom reinforcing mesh, and the upper chord reinforcing steel bars are connected with the lower ends of the S-shaped tie bars.
Compared with the prior art, the utility model has the following remarkable effects:
the prefabricated floor is light and thin, convenient to transport and hoist, free of occupation of too much space due to the thickness of a floor slab in the transportation process, and not prone to being crushed, and solves the problem of inconvenience in transportation and hoisting caused by the fact that the hollow mold is pre-buried in the prefabricated layer of the existing laminated hollow floor slab.
The truss reinforcing steel bars are arranged in the prefabricated layers, the truss reinforcing steel bars and the plate reinforcing mesh are connected through the S-shaped tie bars, so that the cast-in-place layers and the prefabricated layers are connected more stably, the shear resistance of the S-shaped tie bars can be improved, and the hollow mold is not prone to displacement.
The composite floor slab with the hollow mold can be directly manufactured in the existing member factory according to the mode of producing the composite slab, and a new working procedure is not required to be added.
The composite floor slab and hollow floor slab combined technology is adopted, the manufacturing is simple, the safety and the reliability are realized, the construction and installation fault-tolerant rate is low, the light hollow mold is arranged in the structure of the composite floor slab and the hollow floor slab according to the principle of the composite floor slab and the hollow floor slab, the using amount of reinforcing steel bars and concrete is saved, the loss of the template is reduced, the production cost is effectively reduced, the economic value is obvious, a large number of primary and secondary beams are not arranged, the construction is more convenient, the construction period is shortened, and the construction progress is accelerated; with the reduction of the self weight of the floor slab, the earthquake effect is reduced, the load borne by the beam, the column and the foundation is reduced, the manufacturing cost is reduced, the net height of the structure is increased, and the method is particularly suitable for multi-story high-rise buildings with large column nets, large bay, large space, large span and large load.
The utility model can be suitable for floors of the bottom layer, the middle layer and the top layer of the building structure, namely the utility model can be used for at least one layer of parts of the bottom layer, the middle layer and the top layer, when one deck plate is used for the utility model, the other floor parts can use a cast-in-place structure system, so that the utility model can be combined with the cast-in-place structure system and the assembly type structure system for use.
Sixthly, according to actual requirements of actual engineering, different plate thicknesses and different plate spans can be selected according to design requirements, so that the method is wide in application range and suitable for wide popularization and use.
Drawings
The utility model is described in further detail below with reference to the figures and the specific embodiments.
FIG. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic longitudinal sectional view of the present invention.
Detailed Description
As shown in fig. 1 and 2, the composite floor slab with the hollow mold of the present invention comprises a prefabricated layer 1 and a cast-in-place layer 2, wherein a slab-bottom reinforcing mesh 3 is arranged in the prefabricated layer 1, a slab-face reinforcing mesh 6 is arranged in the cast-in-place layer 2, and the slab-face reinforcing mesh 6 is formed by field binding or welded reinforcing mesh sheets. A plurality of hollow moulds 5 are arranged on the upper surface of the prefabricated layer 1, the hollow moulds 5 are longitudinally placed, the hollow moulds 5 are transversely arranged in parallel, the hollow moulds 5 are positioned in the cast-in-situ layer 2 and positioned below the plate surface reinforcing mesh 6, and the plate bottom reinforcing mesh 3 and the plate surface reinforcing mesh 6 are connected through a reinforcing steel bar connector positioned between the two adjacent hollow moulds 5.
In this embodiment, the reinforcing bar coupler includes a truss reinforcing bar 4 and an S-tie bar 7 embedded in the prefabricated layer 1, the truss reinforcing bar 4 of this embodiment includes a pair of web members 42 and an upper chord reinforcing bar 41 connected to the upper ends of the web members 42, the lower portions of the web members 42 are embedded in the prefabricated layer 1, the upper ends of the web members 42 and the upper chord reinforcing bar 41 are exposed from the prefabricated layer 1, the lower ends of the web members 42 are anchored to the slab-bottom reinforcing bar net 3, the upper chord reinforcing bar 41 is connected to the lower end of the S-tie bar 7, and the upper end of the S-tie bar 7 is connected to the slab-bottom reinforcing bar net 6.
The construction process of the utility model is as follows: manufacturing a prefabricated layer 1, embedding a slab-bottom reinforcing mesh 3 and truss reinforcing steel bars 4 in the prefabricated layer 1, anchoring and fixing the lower ends of web member reinforcing steel bars 42 of the truss reinforcing steel bars 4 and the slab-bottom reinforcing mesh 3, and exposing the upper ends of the web member reinforcing steel bars 42 and upper chord reinforcing steel bars 41 out of the prefabricated layer 1; the prefabricated layer 1 is transported to a construction site, after the prefabricated layer 1 is hoisted, a certain number of hollow molds 5 are arranged above the prefabricated layer 1 at intervals according to design requirements, after the hollow molds 5 are placed, the plate reinforcing mesh 6 (the plate reinforcing mesh can be bound on site and can also be welded with reinforcing mesh sheets) is laid above the hollow molds 5, the plate reinforcing mesh 6 presses down the hollow molds 5, the truss reinforcing bars 4 and the plate reinforcing mesh 6 are fixed through the S tie bars 7, meanwhile, the hollow molds 5 are not prone to shifting, and concrete pouring is carried out.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, there are other embodiments of the reinforcing bar coupler according to the present invention without departing from the above-mentioned basic technical idea of the present invention, and therefore, the present invention can be modified, substituted or changed in various other forms within the scope of the appended claims.
Claims (4)
1. The utility model provides a take coincide floor of hollow mould, it includes prefabricated layer and cast-in-place layer, its characterized in that: the prefabricated layer is internally provided with a slab bottom reinforcing mesh, the cast-in-situ layer is internally provided with a slab face reinforcing mesh, the upper surface of the prefabricated layer is provided with a plurality of hollow molds, the hollow molds are positioned in the cast-in-situ layer and below the slab face reinforcing mesh, and the slab bottom reinforcing mesh and the slab face reinforcing mesh are connected through a reinforcing steel bar connecting piece positioned between every two adjacent hollow molds.
2. The composite floor slab with the hollow mold according to claim 1, wherein: the steel bar connecting piece comprises a truss steel bar and an S-shaped tie bar, the truss steel bar and the S-shaped tie bar are embedded in the prefabricated layer in advance, the lower portion of the truss steel bar is located in the prefabricated layer, the top of the truss steel bar is exposed out of the prefabricated layer, the bottom of the truss steel bar is connected with the plate bottom steel bar net, the top of the truss steel bar is connected with the lower end of the S-shaped tie bar, and the upper end of the S-shaped tie bar is connected with the plate surface steel bar net.
3. The composite floor slab with hollow mold according to claim 2, characterized in that: the plate face reinforcing mesh is formed by binding on site or welded reinforcing mesh sheets are adopted.
4. A composite floor slab with hollow mould according to claim 2 or 3, characterised in that: the truss reinforcing steel bar comprises a pair of web member reinforcing steel bars and upper chord reinforcing steel bars connected with the upper ends of the web member reinforcing steel bars, the lower portions of the web member reinforcing steel bars are embedded in the prefabricated layer, the upper ends of the web member reinforcing steel bars and the upper chord reinforcing steel bars are exposed out of the prefabricated layer, the lower ends of the web member reinforcing steel bars are connected with the plate bottom reinforcing mesh, and the upper chord reinforcing steel bars are connected with the lower ends of the S-shaped tie bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122225256.0U CN216239247U (en) | 2021-09-14 | 2021-09-14 | Laminated floor slab with hollow mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122225256.0U CN216239247U (en) | 2021-09-14 | 2021-09-14 | Laminated floor slab with hollow mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216239247U true CN216239247U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122225256.0U Active CN216239247U (en) | 2021-09-14 | 2021-09-14 | Laminated floor slab with hollow mold |
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| CN (1) | CN216239247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277991A (en) * | 2021-10-27 | 2022-04-05 | 广东省建科建筑设计院有限公司 | Superposed hollow floor slab with formwork |
-
2021
- 2021-09-14 CN CN202122225256.0U patent/CN216239247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277991A (en) * | 2021-10-27 | 2022-04-05 | 广东省建科建筑设计院有限公司 | Superposed hollow floor slab with formwork |
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