CN219281035U - Prefabricated bottom plate of connecting type light steel-concrete combined superposed floor system - Google Patents
Prefabricated bottom plate of connecting type light steel-concrete combined superposed floor system Download PDFInfo
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- CN219281035U CN219281035U CN202320845270.7U CN202320845270U CN219281035U CN 219281035 U CN219281035 U CN 219281035U CN 202320845270 U CN202320845270 U CN 202320845270U CN 219281035 U CN219281035 U CN 219281035U
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Abstract
The utility model discloses a prefabricated bottom plate of a connecting type light steel-concrete combined superposed floor system, which relates to the technical field of buildings and comprises a prefabricated bottom plate body, wherein the prefabricated bottom plate body sequentially comprises a lower plate body and an upper plate body from bottom to top, a plurality of core mould layers are fixedly connected between the lower plate body and the upper plate body, two lower connecting pieces and two upper connecting pieces which are distributed front and back are respectively arranged below and above the left side and the right side of the core mould layers, a plurality of holes are formed in the upper end of the upper plate body in a penetrating way, the holes are respectively arranged above the core mould layers, a plurality of lower plate steel bars and a plurality of upper plate steel bars are respectively fixedly arranged in the lower plate body and the upper plate body, so that the prefabricated bottom plate meets deflection limitation, the thickness and the dead weight of a floor slab are not increased continuously, the consumption of concrete is reduced, and the prefabricated bottom plate is simple and convenient to construct, high in assembly rate and suitable for the assembly construction of a large-span floor system.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a prefabricated bottom plate of a connecting type light steel-concrete combined superposed floor system.
Background
Compared with a solid reinforced concrete floor slab, the light floor slab has the application advantages of light weight, heat insulation, sound insulation, material saving and the like, and is particularly suitable for a large-span structure. Along with the rapid development of the assembled structure in China, a light superposed floor system is also generated. The light superposed floor combines the advantages of the light floor and the superposed components, reduces the workload of construction sites, reduces the labor cost and ensures the light weight and the high strength of the floor slab.
The steel-concrete composite laminated slab is a new type laminated floor slab, and is composed of prefabricated base plate and cast-in-situ layer.
However, in the prior art, the steel-concrete combined prefabricated bottom plate can be composed of an upper plate, a lower plate and steel connecting pieces, the steel connecting pieces are generally arranged along the length direction of the plate, the upper plate and the lower plate are solid reinforced concrete plates, the laminated plate formed by the steel-concrete combined prefabricated bottom plate and the cast-in-situ layer is a solid floor, and as the span is increased, the thickness of the floor is also increased continuously to meet the deflection limitation, the dead weight of the floor is increased, the consumption of concrete is increased, and the practical performance of the prefabricated bottom plate is reduced.
Disclosure of Invention
The utility model aims to provide a prefabricated bottom plate of a connecting light steel-concrete combined superposed floor system, which is simple and convenient to construct, high in assembly rate and suitable for assembly construction of a large-span floor system.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the prefabricated bottom plate of the connecting type light steel-concrete combined laminated floor comprises a prefabricated bottom plate body, wherein the prefabricated bottom plate body sequentially comprises a lower plate body and an upper plate body from bottom to top, a plurality of core mold layers are fixedly connected between the lower plate body and the upper plate body, two lower connecting pieces and two upper connecting pieces which are distributed front and back are respectively arranged below and above the left side and the right side of the core mold layers, a plurality of holes are formed in the upper end of the upper plate body in a penetrating manner, the holes are respectively positioned above the core mold layers, and a plurality of lower plate steel bars and a plurality of upper plate steel bars are respectively fixedly arranged inside the lower plate body and the upper plate body;
the lower connecting piece comprises a lower web plate, the lower end of the lower plate body is embedded and provided with a bottom anchor plate fixedly connected with the lower end of the lower web plate, the upper end of the lower web plate penetrates through and extends to the upper side of the lower plate body, and the left side and the right side of the lower web plate are fixedly connected with lower anchor plates;
the upper connecting piece comprises an upper web plate, a top anchor plate fixedly connected with the upper end of the upper web plate is embedded and installed at the upper end of the upper layer plate body, the lower end of the upper web plate penetrates through and extends to the lower part of the upper layer plate body, the left side and the right side of the upper web plate are fixedly connected with upper anchor plates, the upper web plate is positioned between the core mold layer and the lower web plate, and the upper web plate is attached to one side of the core mold layer;
the upper connecting piece comprises an upper web plate, the upper end of the upper plate body is embedded and provided with a top anchor plate fixedly connected with the upper end of the upper plate body, the lower end of the upper web plate penetrates through and extends to the lower side of the upper plate body, the left side and the right side of the upper web plate are fixedly connected with upper anchor plates, the upper web plate is located between the core mold layer and the lower web plate, and the upper web plate is attached to one side of the core mold layer.
In order to enhance the connection stability of the lower connecting piece and the upper connecting piece, the prefabricated bottom plate of the connecting type light steel-concrete composite laminated floor system is preferable, and a reserved fillet weld is reserved between the lower connecting piece and the upper connecting piece.
In order to enhance the anchoring capability of the concrete slab to the steel connecting piece, the prefabricated bottom plate of the connecting type light steel-concrete combined laminated floor system is preferable, the shape of the lower connecting piece and the upper connecting piece is in a shape like a Chinese character ' Tu ' or a shape like a C ', and the lower connecting piece and the upper connecting piece are made of steel materials.
In order to effectively reduce the dead weight of the composite floor slab, the prefabricated bottom plate of the connecting type light steel-concrete composite floor slab is preferable, and the core mould layer can adopt a filling core mould or a heat insulation plate layer.
In order to improve the integrity of the laminated slab, the prefabricated bottom plate of the connecting type light steel-concrete composite laminated floor system is preferable, and the shape of the hole is circular, rectangular or polygonal.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model ensures that the prefabricated bottom plate meets deflection limitation, the thickness and the dead weight of the floor plate can not be increased continuously, the consumption of concrete is reduced, the construction of the prefabricated bottom plate is simple and convenient, the assembly rate is high, and the utility model is suitable for the assembly construction of large-span floors.
Drawings
FIG. 1 is a front view of a prefabricated floor of a composite lightweight steel-concrete composite laminate floor of the present utility model;
FIG. 2 is a block diagram of the lower and upper connectors of the present utility model;
FIG. 3 is a block diagram of an upper connector of the present utility model;
FIG. 4 is a block diagram of a lower connector of the present utility model;
FIG. 5 is a cross-sectional structural view of the prefabricated floor body of the present utility model;
FIG. 6 is a bottom view of the upper plate of the present utility model;
FIG. 7 is a block diagram of the lower plate body and core mold layer of the present utility model;
fig. 8 is a structural view of the lower and upper connectors of the present utility model using C-shape.
In the figure: 1. prefabricating a bottom plate body; 2. a lower plate body; 201. lower plate steel bars; 3. an upper plate body; 301. upper plate steel bars; 302. a hole; 4. a core mold layer; 5. a lower connecting piece; 501. a lower web; 502. a bottom anchor plate; 503. a lower anchor plate; 6. an upper connecting piece; 601. an upper web; 602. a top anchor plate; 603. an upper anchor plate.
Detailed Description
Referring to fig. 1 to 8, a prefabricated bottom plate of a connecting light steel-concrete composite laminated floor comprises a prefabricated bottom plate body 1, wherein the prefabricated bottom plate body 1 sequentially comprises a lower plate body 2 and an upper plate body 3 from bottom to top, a plurality of core mold layers 4 are fixedly connected between the lower plate body 2 and the upper plate body 3, two lower connecting pieces 5 and two upper connecting pieces 6 which are distributed front and back are respectively arranged below and above the left side and the right side of the plurality of core mold layers 4, a plurality of holes 302 penetrate through the upper end of the upper plate body 3, the plurality of holes 302 are respectively positioned above the plurality of core mold layers 4, and a plurality of lower plate steel bars 201 and a plurality of upper plate steel bars 301 are respectively fixedly arranged inside the lower plate body 2 and the upper plate body 3;
the lower connecting piece 5 comprises a lower web plate 501, a bottom anchor plate 502 fixedly connected with the lower end of the lower web plate 501 is embedded and installed at the lower end of the lower plate body 2, the upper end of the lower web plate 501 penetrates through and extends to the upper side of the lower plate body 2, and lower anchor plates 503 are fixedly connected to the left side and the right side of the lower web plate 501;
the upper connecting piece 6 comprises an upper web 601, a top anchor plate 602 fixedly connected with the upper end of the upper web 601 is embedded and mounted at the upper end of the upper plate body 3, the lower end of the upper web 601 penetrates through and extends to the lower side of the upper plate body 3, upper anchor plates 603 are fixedly connected to the left side and the right side of the upper web 601, the upper web 601 is located between the core mold layer 4 and the lower web 501, and the upper web 601 is attached to one side of the core mold layer 4.
In this embodiment: the prefabricated bottom plate body 1 comprises a plurality of core mould layers 4, a lower plate body 2 and an upper plate body 3, the height of the core mould layers 4 is slightly smaller than the distance between the lower plate body 2 and the upper plate body 3, the length is the clear distance between the upper connecting piece 6 and the lower connecting piece 5 of two rows of steel connecting pieces, the width is the distance between the upper connecting piece 6 and the lower connecting piece 5 of two adjacent longitudinal connecting pieces, the core mould layers 4 are arranged at intervals longitudinally, the core mould layers 4 are not arranged at the opening holes 302 of the upper plate body 3 so as to arrange transverse reinforcing steel bars to form a bidirectional plate, the prefabricated bottom plate meets deflection limitation, the thickness and the dead weight of a floor slab are not increased continuously, the consumption of concrete is reduced, the prefabricated bottom plate is simple and convenient to construct, the assembly rate is high, and the prefabricated bottom plate is suitable for assembly construction of a large-span floor slab.
As a technical optimization scheme of the utility model, a reserved fillet weld is reserved between the lower connecting piece 5 and the upper connecting piece 6.
In this embodiment: and a fillet weld is reserved between the lower connecting piece 5 and the upper connecting piece 6, so that welding of the adjacent lower connecting piece 5 and upper connecting piece 6 is facilitated, and the connection stability of the lower connecting piece 5 and the upper connecting piece 6 is enhanced.
As a technical optimization scheme of the utility model, the shape of the lower connecting piece 5 and the upper connecting piece 6 is in a shape like a Chinese character 'Tu' or a shape like a Chinese character 'C', and the lower connecting piece 5 and the upper connecting piece 6 are made of steel materials.
In this embodiment: the shape of the lower connector 5 and the upper connector 6 can be varied, such as a double C-shaped connector (figure 8), and the invariably characteristic is that anchor plates are arranged at the upper surface and the lower surface of the upper laminate and the lower laminate, so that the anchoring capability of the concrete slab to the steel connector is enhanced.
As a technical optimization scheme of the present utility model, the core mold layer 4 may be a filling core mold or a heat insulation plate layer.
In this embodiment: the core mould layer 4 can adopt a filling core mould or a heat insulation board layer, can effectively reduce the dead weight of the composite floor slab, and has the advantages of light weight, high strength, energy conservation, heat insulation and the like.
As a technical optimization scheme of the present utility model, the shape of the hole 302 is circular, rectangular or polygonal.
In this embodiment: by forming the holes 302, concrete is conveniently poured from the holes 302 to form a lower layer plate, meanwhile, cast-in-situ layer concrete is more conveniently poured from the holes 302, the situation that concrete is not compact in gaps between the upper layer plate and the lower layer plate can be avoided, more preferably, the holes 302 of the upper layer plate can be used for increasing engagement between new and old concrete, and the integrity of the laminated plate is improved.
Working principle: firstly, upper connecting pieces 6 are firstly arranged above an upper layer plate body 3 along a plurality of longitudinal rows at intervals, then longitudinal upper layer plate steel bars 301 above the upper layer plate body 3 are arranged according to design requirements, then middle holes 302 are subjected to formwork, upper layer plate concrete is poured to form the upper layer plate body 3, meanwhile, lower connecting pieces 5 are arranged along a plurality of longitudinal rows at intervals, the positions of the lower connecting pieces correspond to the upper connecting pieces 6 one by one, the lower web plates 501 are ensured to be connected with the upper web plates 601 in a staggered mode, then the longitudinal lower layer plate steel bars 201 of the lower layer plate body 2 are arranged according to design requirements, after the concrete of the lower layer plate body 2 is hardened to a certain strength, core mould layers 4 are clamped with the lower connecting pieces 5 at intervals, then the upper layer plate body 3 is overturned and is placed on the lower layer plate body 2, the lower web plates 501 of the upper and lower connecting pieces are connected with the upper web plates 601 in a staggered mode, and each pair of connecting pieces are welded in sequence at a reserved angle welding seam position, and therefore, the manufacturing of the connecting type multi-rib steel-concrete composite hollow bottom plate is completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (5)
1. The utility model provides a prefabricated bottom plate of connected light steel-concrete combination coincide superstructure, includes prefabricated bottom plate body (1), its characterized in that: the prefabricated bottom plate body (1) sequentially comprises a lower plate body (2) and an upper plate body (3) from bottom to top, a plurality of core mold layers (4) are fixedly connected between the lower plate body (2) and the upper plate body (3), two lower connecting pieces (5) and two upper connecting pieces (6) which are distributed front and back are respectively arranged below and above the left side and the right side of the core mold layers (4), a plurality of holes (302) are formed in the upper end of the upper plate body (3) in a penetrating mode, the holes (302) are respectively located above the core mold layers (4), and a plurality of lower plate steel bars (201) and a plurality of upper plate steel bars (301) are respectively fixedly installed inside the lower plate body (2) and the upper plate body (3);
the lower connecting piece (5) comprises a lower web plate (501), a bottom anchor plate (502) fixedly connected with the lower end of the lower web plate (501) is embedded and installed at the lower end of the lower plate body (2), the upper end of the lower web plate (501) penetrates through and extends to the upper side of the lower plate body (2), and lower anchor plates (503) are fixedly connected to the left side and the right side of the lower web plate (501);
the upper connecting piece (6) comprises an upper web plate (601), a top anchor plate (602) fixedly connected with the upper end of the upper web plate (601) is embedded and mounted at the upper end of the upper layer plate body (3), the lower end of the upper web plate (601) penetrates through and extends to the lower side of the upper layer plate body (3), upper anchor plates (603) are fixedly connected to the left side and the right side of the upper web plate (601), the upper web plate (601) is located between the core mold layer (4) and the lower web plate (501), and the upper web plate (601) is attached to one side of the core mold layer (4).
2. The prefabricated floor panel of a connected lightweight steel-concrete composite laminate floor system of claim 1, wherein: a reserved fillet weld is reserved between the lower connecting piece (5) and the upper connecting piece (6).
3. The prefabricated floor panel of a connected lightweight steel-concrete composite laminate floor system of claim 1, wherein: the shape of the lower connecting piece (5) and the upper connecting piece (6) is in a shape like a Chinese character 'Tu' or a shape like a Chinese character 'C', and the lower connecting piece (5) and the upper connecting piece (6) are made of steel materials.
4. The prefabricated floor panel of a connected lightweight steel-concrete composite laminate floor system of claim 1, wherein: the core mould layer (4) can adopt a filling core mould or a heat insulation board layer.
5. The prefabricated floor panel of a connected lightweight steel-concrete composite laminate floor system of claim 1, wherein: the shape of the hole (302) is round or rectangular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845270.7U CN219281035U (en) | 2023-04-17 | 2023-04-17 | Prefabricated bottom plate of connecting type light steel-concrete combined superposed floor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320845270.7U CN219281035U (en) | 2023-04-17 | 2023-04-17 | Prefabricated bottom plate of connecting type light steel-concrete combined superposed floor system |
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| Publication Number | Publication Date |
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| CN219281035U true CN219281035U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320845270.7U Active CN219281035U (en) | 2023-04-17 | 2023-04-17 | Prefabricated bottom plate of connecting type light steel-concrete combined superposed floor system |
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| Country | Link |
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| CN (1) | CN219281035U (en) |
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- 2023-04-17 CN CN202320845270.7U patent/CN219281035U/en active Active
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