CN218597471U - Hang two-way superimposed sheet connection structure of mould exempts from - Google Patents
Hang two-way superimposed sheet connection structure of mould exempts from Download PDFInfo
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- CN218597471U CN218597471U CN202222028646.3U CN202222028646U CN218597471U CN 218597471 U CN218597471 U CN 218597471U CN 202222028646 U CN202222028646 U CN 202222028646U CN 218597471 U CN218597471 U CN 218597471U
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Abstract
A hang two-way superimposed sheet connection structure of mould exempts from includes: the concrete composite slab comprises a steel bottom plate, studs, a composite slab precast concrete bottom plate and a composite slab concrete cast-in-place layer, wherein the composite slab precast concrete bottom plate is arranged on the steel bottom plate, the composite slab concrete cast-in-place layer is arranged on the composite slab precast concrete bottom plate, and the studs are buried in the composite slab precast concrete bottom plate and are inserted in the steel bottom plate. The application provides a pair of exempt from to hang two-way superimposed sheet joint construction of mould simple structure, construction convenience can cancel seam crossing and hang the mould construction, practices thrift construction period, reduces construction process, the seam width satisfy construction operation requirement can, reduced two-way superimposed sheet's seam width.
Description
Technical Field
The utility model belongs to the technical field of the reinforced concrete structure, concretely relates to exempt from to hang two-way superimposed sheet joint construction of mould.
Background
The assembly type building has the advantages of high industrialization level, high construction speed, reduction of material and energy consumption, reduction of site dust and construction waste and the like. With the requirement of carbon neutralization and carbon peak reaching, in recent years, the application of fabricated buildings is rapidly popularized nationwide, and laminated floor systems with cast-in-place lower prefabricated bottom plates and upper laminated layers are particularly widely applied.
Compared with the traditional cast-in-place concrete floor, the laminated slab reduces the scaffold erection and the template consumption on the construction site, and improves the construction efficiency. The laminated slab can be divided into the one-way laminated slab and the two-way laminated slab according to different connection forms of the prefabricated bottom plates at the lower parts of the laminated slab, wherein the two-way laminated slab is widely accepted due to the advantages that the stress characteristics of the two-way laminated slab are the same as those of the traditional cast-in-place concrete floor slab, the splicing cold seam of the one-way laminated slab does not exist, the cast-in-place concrete seam which is not less than 300mm needs to be arranged between the two-way laminated slab, the seam width of the large-diameter bottom rib is further increased, a hanging die needs to be additionally arranged at the cast-in-place concrete seam for construction, compared with the one-way laminated slab, the construction process is increased, and the construction efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present application provides a two-way superimposed sheet connection structure of mould exempts from to hang, includes: the concrete cast-in-place layer comprises a steel bottom plate, studs, a laminated slab precast concrete bottom plate and a laminated slab concrete cast-in-place layer, wherein the steel bottom plate is arranged at the bottom of the edge of the laminated slab precast concrete bottom plate, the studs are welded on the steel bottom plate and embedded in the laminated slab precast concrete bottom plate and the laminated slab concrete cast-in-place layer, and the laminated slab concrete cast-in-place layer is poured on the laminated slab precast concrete bottom plate and above the steel bottom plate.
Preferably, a gap is formed between two adjacent steel bottom plates.
Preferably, two adjacent steel bottom plates are connected at the position of the gap by adopting discontinuous welding.
Preferably, seam additional steel bars are arranged in two adjacent laminated slab concrete cast-in-situ layers and are arranged above the steel bottom plate.
Preferably, the precast concrete bottom plate of the superimposed slab is provided with a superimposed slab bottom rib, and the superimposed slab bottom rib is inserted into the superimposed slab concrete cast-in-place layer.
Preferably, a protective layer is sprayed below the steel bottom plate.
The application provides a pair of exempt from to hang two-way superimposed sheet joint construction of mould simple structure, construction convenience can cancel seam crossing and hang the mould construction, practices thrift construction period, reduces construction process, the seam width satisfy construction operation requirement can, reduced two-way superimposed sheet's seam width.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a connection structure of a hanging-free two-way composite slab of the present invention;
fig. 2 is an implementation schematic diagram of a two-way superimposed sheet connection structure without hanging a mold according to the present invention.
Detailed description of the preferred embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and 2, in an embodiment of the present application, the present application provides a hanging-die-free two-way composite slab connection structure, including: the concrete pouring device comprises a steel bottom plate 1, studs 2, a laminated slab precast concrete bottom plate 4 and a laminated slab concrete pouring layer 7, wherein the steel bottom plate 1 is arranged at the bottom of the edge of the laminated slab precast concrete bottom plate 4, the studs 2 are welded and arranged on the steel bottom plate 1 and buried in the laminated slab precast concrete bottom plate 4 and the laminated slab concrete pouring layer 7, and the laminated slab concrete pouring layer 7 is poured on the laminated slab precast concrete bottom plate 4 and above the steel bottom plate 1.
In the embodiment of the application, the steel bottom plate 1, the stud 2 and the laminated slab precast concrete bottom plate 4 are precast into a whole at a factory. The steel bottom plate 1 is arranged at the bottom of the edge position of the precast concrete bottom plate 4 of the composite slab and extends outwards, and is integrated with the precast concrete bottom plate 4 of the composite slab through the stud 2.
In the embodiment of the application, the stud 2 is welded and fixed on the steel bottom plate 1, so that the steel bottom plate 1 works together with the laminated slab precast concrete bottom plate 4 and the laminated slab concrete cast-in-place layer 7.
In the embodiment of the present application, a gap 3 is formed between two adjacent steel bottom plates 1.
In the embodiment of the application, discontinuous welding connection is performed between two adjacent steel bottom plates 1 at the position of the gap 3 so as to release the welding stress of the steel bottom plates 1.
In the embodiment of the application, joint additional steel bars 8 are arranged in two adjacent laminated slab concrete cast-in-place layers 7, and the joint additional steel bars 8 are arranged above the steel bottom plate 1.
In the embodiment of the application, be provided with superimposed sheet end muscle 5 on the superimposed sheet precast concrete bottom plate 4, superimposed sheet end muscle 5 is inserted and is arranged in the cast-in-place layer 7 of superimposed sheet concrete.
In this application embodiment, steel bottom plate 1 with the template when superimposed sheet precast concrete bottom plate 4 regard as the cast-in-place layer of superimposed sheet concrete 7 concrete placement jointly, cancel conventional suspended formwork construction.
In this application embodiment, replace superimposed sheet bottom rib 5 at the piece department at steel bottom plate 1 and satisfy cross-section bending resistance requirement, can need not to satisfy superimposed sheet bottom rib 5 at the anchor requirement of seam department, reduce the seam width.
In the embodiment of the present application, the laminated plate concrete cast-in-place layer 7 is a laminated plate concrete surface layer cast in place at a construction site.
In the embodiment of the application, the seam additional steel bar 8 is arranged at the seam of the adjacent laminated slab and is consistent with the arrangement direction of the precast concrete bottom slab 4 of the laminated slab.
In the embodiment of the application, the steel bottom plate protective layer 6 is fireproof and anticorrosive paint sprayed on a construction site to ensure the fireproof and durable performances of the steel bottom plate 1.
In the embodiment of the application, steel bottom plate 1, peg 2 and superimposed sheet precast concrete bottom plate 4 are prefabricated into whole at the mill and are transported to the job site and hoist and mount and arrange and take one's place, carry out discontinuous welded connection in space 3 department between adjacent steel bottom plate 1, ligature installation seam additional reinforcing bar 8, the reinforcing bar in the cast-in-place layer of ligature superimposed sheet concrete 7 and the concreting, at last at steel bottom plate 1 bottom spraying protective layer 6.
The application provides a pair of exempt from to hang two-way superimposed sheet joint construction of mould simple structure, construction convenience can cancel seam crossing and hang the mould construction, practices thrift construction period, reduces construction process, the seam width satisfy construction operation requirement can, reduced two-way superimposed sheet's seam width.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or illustrative of the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides a two-way superimposed sheet joint construction who exempts from to hang mould which characterized in that includes: the concrete cast-in-place layer comprises a steel bottom plate, studs, a laminated slab precast concrete bottom plate and a laminated slab concrete cast-in-place layer, wherein the steel bottom plate is arranged at the bottom of the edge of the laminated slab precast concrete bottom plate, the studs are welded on the steel bottom plate and embedded in the laminated slab precast concrete bottom plate and the laminated slab concrete cast-in-place layer, and the laminated slab concrete cast-in-place layer is poured on the laminated slab precast concrete bottom plate and above the steel bottom plate.
2. The hoist-free two-way composite slab connection structure according to claim 1, wherein a gap is formed between adjacent two of the steel bottom plates.
3. The hanging-free two-way composite slab connecting structure as recited in claim 2, wherein two adjacent steel bottom plates are connected by discontinuous welding at the gap position.
4. The hoisting-free two-way composite slab connection structure according to claim 2, wherein a seam additional reinforcing steel bar is provided in two adjacent composite slab concrete cast-in-place layers, and the seam additional reinforcing steel bar is arranged above the steel bottom plate.
5. The hanging-die-free two-way composite slab connection structure as claimed in claim 1, wherein a composite slab bottom rib is arranged on the composite slab precast concrete base plate, and the composite slab bottom rib is inserted into the composite slab concrete cast-in-place layer.
6. The hanging die-free two-way composite slab connection structure as recited in claim 1, wherein a protective layer is sprayed under the steel bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028646.3U CN218597471U (en) | 2022-08-03 | 2022-08-03 | Hang two-way superimposed sheet connection structure of mould exempts from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222028646.3U CN218597471U (en) | 2022-08-03 | 2022-08-03 | Hang two-way superimposed sheet connection structure of mould exempts from |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218597471U true CN218597471U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222028646.3U Active CN218597471U (en) | 2022-08-03 | 2022-08-03 | Hang two-way superimposed sheet connection structure of mould exempts from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218597471U (en) |
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2022
- 2022-08-03 CN CN202222028646.3U patent/CN218597471U/en active Active
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