CN220225867U - Mould-free support-free laminated slab and connecting structure thereof - Google Patents
Mould-free support-free laminated slab and connecting structure thereof Download PDFInfo
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- CN220225867U CN220225867U CN202320116808.0U CN202320116808U CN220225867U CN 220225867 U CN220225867 U CN 220225867U CN 202320116808 U CN202320116808 U CN 202320116808U CN 220225867 U CN220225867 U CN 220225867U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 230000002787 reinforcement Effects 0.000 claims description 14
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 3
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a mould-free support-free laminated slab and a connecting structure thereof, comprising a bottom plate and a plurality of rib plates arranged above the bottom plate, wherein the rib plates are connected with the bottom plate through truss steel bars, a post-pouring layer is poured on the bottom plate and is flush with the top surface of the rib plates; according to the utility model, the rib plates are arranged on the bottom plate, and truss steel bars are arranged between the bottom plate and the rib plates, so that the purpose of enhancing the rigidity of the laminated plate is achieved.
Description
Technical Field
The utility model relates to the technical field of assembled buildings, in particular to a mould-free and support-free laminated slab and a connecting structure thereof.
Background
The assembled building is a novel construction mode relative to a cast-in-place concrete system, and is mainly characterized in that the original working procedure of on-site operation is subjected to modularized design, modularized components and parts are changed into factories to be produced in a mechanized, automatic and even intelligent mode, and then the components and parts are transported to the site to be hoisted and assembled by adopting a mechanized means. Wherein the primary stress members of the building structure comprise vertical members: walls and columns; horizontal component: beams, floors and stairs; therefore, the horizontal floor slab is one of main stress members for forming the building structure, and has the characteristics of wide application range and large product consumption.
At present, the horizontal floor slab adopted by the assembled building structure mainly comprises the following components: (1) a steel bar truss superimposed sheet: (2) steel bar truss floor carrier plate: the bottom plate adopts a profiled steel plate, and a steel bar truss is welded on the profiled steel plate; (3) a bottom die steel bar truss plate without disassembly; (4) The bottom die-detachable steel bar truss plate (5) is prestressed and laminated with concrete ribbed concrete plates (6).
However, the main problems of the floor slab are: (1) The rigidity is insufficient to bear the construction load, so that the lower part of the laminated slab is required to be erected with a supporting frame; (2) The steel bar truss superimposed sheet generally needs to be added with a post-cast strip with the width of 200mm-300mm, and the post-cast strip needs to be constructed in a mode of supporting or hanging a mould; (3) The disassembly-free bottom die steel bar truss plate does not need to be supported with a template, but the bottom die cannot participate in stress; (4) The detachable bottom die steel bar truss plate needs to be detached, and the labor cost is high. (5) When the floor slab is insufficient in end supporting length, a scaffold needs to be erected at the end.
In order to solve the problems, the utility model provides a mould-free and support-free laminated slab and a connecting structure thereof, which are used for solving the problems of low rigidity and high construction cost of the conventional floor laminated slab.
Disclosure of Invention
The utility model aims to provide a mould-free and support-free laminated slab and a connecting structure thereof, so as to achieve the purposes of improving the rigidity of the floor laminated slab and reducing the construction cost.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a exempt from mould and exempt from to prop superimposed sheet, includes the bottom plate and sets up a plurality of floor of bottom plate top, the floor with the bottom plate passes through truss reinforcing bar to be connected, the pouring has the post-cast layer on the bottom plate just post-cast layer top surface is not less than the top surface of floor.
Preferably, the bottom plate and the rib plates are made of high-ductility concrete.
Preferably, a double-layer reinforcing steel bar net is arranged in the post-pouring layer, and truss reinforcing steel bars are arranged in the two layers of reinforcing steel bar net in a penetrating mode.
Preferably, the rib plate is provided with a preset steel bar groove, and the upper layer steel bars of the double-layer steel bar mesh are placed in the steel bar groove.
Preferably, the truss steel bar comprises a plurality of steel bar connecting units which are arranged side by side, the steel bar connecting units are triangular with one end open, the open ends of the steel bar connecting units are arranged in the bottom plate, and the top angles of the steel bar connecting units are arranged in the rib plates.
A connecting structure applied to a laminated slab and a structure comprises the laminated slab, the structure and the connecting structure arranged between the laminated slab and the structure.
Preferably, the structure is an I-shaped steel beam, the connecting structure comprises a T-shaped embedded steel plate which is arranged in the bottom plate and extends out of the bottom plate, and the T-shaped embedded steel plate is connected with the upper flange of the I-shaped steel beam.
Preferably, the structure is a superimposed shear wall, the connecting structure comprises brackets arranged on the side walls of the superimposed shear wall, lifting columns arranged on the brackets and supporting plates arranged at the lifting ends of the lifting columns, and the superimposed sheet is arranged on the supporting plates.
Preferably, the structure is a superimposed shear wall, the connecting structure comprises an L-shaped embedded steel plate, one side of the L-shaped embedded steel plate is arranged in the superimposed sheet, the other side of the L-shaped embedded steel plate is buckled on the inner wall of the superimposed shear wall, a first through hole is formed in the L-shaped embedded steel plate, which is in contact with the inner wall of the superimposed shear wall, a connecting plate provided with a second through hole is arranged at a position, corresponding to the L-shaped embedded steel plate, on the outer wall of the superimposed shear wall, and bolts penetrate through the first through hole and the second through hole to fix the superimposed sheet with the superimposed shear wall.
Preferably, the structure is a grouting sleeve shear wall, the connecting structure comprises a flat plate type embedded steel plate which is arranged in the laminated plate and extends out of the laminated plate, a third through hole is formed in the portion, extending out of the laminated plate, of the flat plate type embedded steel plate, an installation groove matched with the third through hole and provided with internal threads is formed in the grouting sleeve shear wall, and a bolt penetrates through the third through hole and is screwed in the installation groove.
Compared with the prior art, the utility model has the following technical effects:
1. according to the utility model, the rib plates are arranged on the bottom plate, and truss steel bars are arranged between the bottom plate and the rib plates, so that the purpose of enhancing the rigidity of the laminated plate is achieved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings that are necessary for the embodiments will be briefly described below, it being evident that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of a post-pouring layer of a laminated slab without pouring;
FIG. 2 is a schematic structural view of a laminated slab;
FIG. 3 is a schematic diagram of a connection structure with a superimposed sheet when the structure is an I-beam;
FIG. 4 is a schematic view of one of the connection structures with superimposed sheets when the structure is a superimposed shear wall;
FIG. 5 is another schematic view of a connection structure with a superimposed sheet when the structure is a superimposed shear wall;
FIG. 6 is another schematic view of a connection structure with a superimposed sheet when the structure is a grouted sleeve shear wall;
wherein, 1, rib plate; 2. truss steel bars; 3. a bottom plate; 4. a reinforcing mesh; 5. post-pouring layer; 6. superimposed sheets; 7. t-shaped embedded steel plates; 8. an I-beam; 9. superimposed shear wall; 10. a bearing plate; 11. lifting columns; 12. a bracket; 13. l-shaped embedded steel plates; 14. a connecting plate; 15. grouting a sleeve shear wall; 16. and (5) a flat plate type embedded steel plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a mould-free and support-free laminated slab and a connecting structure thereof, so as to achieve the purposes of improving the rigidity of the floor laminated slab and reducing the construction cost.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 2, a mold-free and support-free laminated slab comprises a bottom plate and a plurality of rib plates 1 arranged above the bottom plate, wherein the rib plates 1 are connected with the bottom plate through truss steel bars 2, a post-pouring layer 5 is poured on the bottom plate 3, and the top surface of the post-pouring layer 5 is not lower than the top surface of the rib plates 1; according to the utility model, the rib plates 1 are arranged on the bottom plate, and the truss reinforcing steel bars 2 are arranged between the bottom plate 3 and the rib plates 1, so that the purpose of enhancing the rigidity of the laminated slab 6 is achieved, in addition, the construction of the connecting structure of the laminated slab 6 and the structure is simple, and the stability of the connection of the laminated slab 6 and the structure can be effectively ensured.
Further, the bottom plate 3 and the rib plates 1 are made of high-ductility concrete.
Referring to fig. 1, a double-layer reinforcing mesh 4 is arranged in the post-cast layer, and truss reinforcing steel bars 2 are arranged in the two layers of reinforcing mesh 4 in a penetrating manner.
Further, a reinforcement groove is preset on the rib plate 1, and upper layer reinforcement of the double-layer reinforcement mesh 4 is placed in the reinforcement groove.
Referring to fig. 1, the truss reinforcement 2 includes a plurality of reinforcement bar connection units disposed side by side, the reinforcement bar connection units are triangles with one end open, the open ends of the reinforcement bar connection units are disposed in the bottom plate 3, and the top angles of the reinforcement bar connection units are disposed in the rib plates 1.
The connecting structure applied to the laminated slab and the structure comprises the laminated slab 6, the structure and the connecting structure arranged between the laminated slab 6 and the structure.
Referring to fig. 3, the structure is an i-beam 8, the connection structure includes a T-shaped embedded steel plate 7 disposed inside the bottom plate and extending out of the bottom plate, and the T-shaped embedded steel plate 7 is connected with an upper flange of the i-beam 8.
Referring to fig. 4, the structure is a superimposed shear wall 9, the connection structure includes brackets 12 disposed on the side walls of the superimposed shear wall 9, lifting columns 11 disposed on the brackets 12, and support plates 10 disposed at the lifting ends of the lifting columns 11, and the superimposed sheet is disposed on the support plates 10.
Referring to fig. 5, the structure is a superimposed shear wall 9, the connection structure includes an L-shaped embedded steel plate 13 with one side disposed in the superimposed sheet and the other side fastened on the inner wall of the superimposed shear wall 9, a first through hole is formed on the L-shaped embedded steel plate 13 contacting with the inner wall of the superimposed shear wall 9, a connection plate 14 with a second through hole is disposed on the outer wall of the superimposed shear wall 9 at a position corresponding to the L-shaped embedded steel plate 13, and bolts penetrate through the first through hole and the second through hole to fix the superimposed sheet with the superimposed shear wall 9.
Referring to fig. 6, the structure is a grouting sleeve shear wall 15, the connection structure comprises a flat plate type pre-buried steel plate 16 arranged in the laminated plate and extending out of the laminated plate, a third through hole is formed in the portion, extending out of the laminated plate, of the flat plate type pre-buried steel plate 16, a mounting groove matched with the third through hole and provided with internal threads is formed in the grouting sleeve shear wall 15, and a bolt penetrates through the third through hole and is screwed in the mounting groove.
The manufacturing flow of the superimposed sheet in the utility model is as follows:
manufacturing a mould-free and disassembly-free laminated slab in a factory; transporting to a construction site; selecting corresponding connection structures for different structures and constructing; hoisting the laminated slab; binding reinforcing steel bars; and (5) post-pouring layer concrete construction.
The adaptation to the actual need is within the scope of the utility model.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The mold-free support-free laminated slab is characterized by comprising a bottom plate and a plurality of rib plates arranged above the bottom plate, wherein the rib plates are connected with the bottom plate through truss steel bars, a post-pouring layer is poured on the bottom plate, and the top surface of the post-pouring layer is not lower than the top surface of the rib plates;
the bottom plate and the rib plates are made of high-ductility concrete;
a double-layer reinforcing steel bar net is arranged in the post-pouring layer, and truss reinforcing steel bars are arranged in the two layers of reinforcing steel bar net in a penetrating manner;
the rib plate is provided with a preset steel bar groove, and upper layer steel bars of the double-layer steel bar net are placed in the steel bar groove.
2. The mold-free and support-free laminated slab according to claim 1, wherein the truss reinforcement comprises a plurality of reinforcement connection units arranged side by side, the reinforcement connection units are triangular with one end open, the open ends of the reinforcement connection units are arranged in the bottom plate, and the top angles of the reinforcement connection units are arranged in the rib plates.
3. A connection structure for a laminated slab and a structure, characterized in that the laminated slab according to any one of claims 1 to 2 is applied, comprising a laminated slab, a structure and a connection structure arranged between the laminated slab and the structure.
4. A connection structure for a composite slab and a structure according to claim 3, wherein the structure is a steel i-beam, the connection structure comprises a T-shaped embedded steel plate arranged inside the bottom plate and extending out of the bottom plate, and the T-shaped embedded steel plate is connected with an upper flange of the steel i-beam.
5. A connection structure for a composite slab and a structure according to claim 3, wherein the structure is a superimposed shear wall, the connection structure comprises brackets arranged on the side walls of the superimposed shear wall, lifting columns arranged on the brackets, and supporting plates arranged at the lifting ends of the lifting columns, and the composite slab is arranged on the supporting plates.
6. The connecting structure for the superimposed sheet and the structure according to claim 3, wherein the structure is a superimposed sheet, the connecting structure comprises an L-shaped embedded steel plate, one side of the L-shaped embedded steel plate is arranged in the superimposed sheet, the other side of the L-shaped embedded steel plate is buckled on the inner wall of the superimposed sheet, a first through hole is formed in the L-shaped embedded steel plate, which is in contact with the inner wall of the superimposed sheet, a connecting plate with a second through hole is arranged at a position, corresponding to the L-shaped embedded steel plate, on the outer wall of the superimposed sheet, and bolts penetrate through the first through hole and the second through hole to fix the superimposed sheet with the superimposed sheet.
7. The connecting structure for the laminated slab and the structure according to claim 3, wherein the structure is a grouting sleeve shear wall, the connecting structure comprises a flat plate type embedded steel plate which is arranged in the laminated slab and extends out of the laminated slab, a third through hole is formed in the portion, extending out of the laminated slab, of the flat plate type embedded steel plate, an installation groove matched with the third through hole and provided with internal threads is formed in the grouting sleeve shear wall, and a bolt penetrates through the third through hole and is screwed in the installation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116808.0U CN220225867U (en) | 2023-01-17 | 2023-01-17 | Mould-free support-free laminated slab and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116808.0U CN220225867U (en) | 2023-01-17 | 2023-01-17 | Mould-free support-free laminated slab and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220225867U true CN220225867U (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320116808.0U Active CN220225867U (en) | 2023-01-17 | 2023-01-17 | Mould-free support-free laminated slab and connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220225867U (en) |
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2023
- 2023-01-17 CN CN202320116808.0U patent/CN220225867U/en active Active
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