CN218843351U - Beam support and prefabricated rigidity-variable floor connecting structure - Google Patents
Beam support and prefabricated rigidity-variable floor connecting structure Download PDFInfo
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- CN218843351U CN218843351U CN202221947743.6U CN202221947743U CN218843351U CN 218843351 U CN218843351 U CN 218843351U CN 202221947743 U CN202221947743 U CN 202221947743U CN 218843351 U CN218843351 U CN 218843351U
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Abstract
A beam support and prefabricated variable-rigidity floor connection structure comprises a prefabricated variable-rigidity floor, a prefabricated beam, a beam connecting piece, additional steel bars and post-cast materials; the prefabricated variable-rigidity floor slab comprises a prefabricated floor slab and a wing plate; the prefabricated floor slab comprises prefabricated floor slab concrete and prefabricated floor slab reinforcing steel bars; the prefabricated floor slab steel bars comprise transverse steel bars and longitudinal steel bars; the wing plates comprise wing plate reinforcing steel bars and wing plate concrete; the top surface of the wing plate concrete is not higher than the top surface of the lower transverse steel bar, and the wing plate concrete and the prefabricated floor plate concrete are poured together into a whole; the end part of the wing plate is arranged on or close to the precast beam; the additional reinforcing steel bars comprise transverse additional reinforcing steel bars and longitudinal additional reinforcing steel bars; the transverse additional steel bars are connected with the upper transverse steel bars of the prefabricated floor slab in a welding or lap joint mode; one end of the beam connecting piece is fixedly connected with the precast beam in a welding or bolting mode; and post-cast materials are poured above the precast beams.
Description
Technical Field
The utility model relates to a precast concrete structure field particularly relates to a roof beam support and prefabricated variable rigidity floor connection structure.
Background
The prefabricated floor slab accords with the industrialized development direction of buildings promoted in China, and is a specific implementation mode of a green sustainable development concept. The combination of precast concrete floor slabs and steel beams is encountered in the construction.
The traditional precast floor slab is a prestressed hollow floor slab, and when the traditional precast floor slab is connected with a steel beam, the end part of the precast floor slab is lapped on the steel beam. This technique has the following problems: 1. the earthquake force is difficult to effectively transmit under the action of the earthquake; 2. the falling is easy; 3. there is the gap easily between girder steel top surface and the precast floor slab, should corrode.
The invention provides a technology for prefabricating a variable-rigidity floor slab, which can effectively improve the integrity between the floor slabs and can transmit the integral earthquake force, but a specific technology for prefabricating a steel beam connected to one side of the variable-rigidity floor slab is not provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a roof beam support and prefabricated rigidity-variable floor connection structure, this connection structure through set up at beam slab node and attach technical measure such as watering behind muscle and the node, can effectively promote whole shock resistance and girder steel and prefabricated floor's connection performance, reduce the moment of torsion to the girder steel under the dead weight effect, can exempt from the die block moreover or lack the die block, improve construction quality and construction speed. The connection structure provided by the invention has the advantages of good mechanical property, simplicity in manufacturing, quickness in construction, environmental friendliness and the like.
The utility model discloses a realize like this:
a beam support and prefabricated variable-rigidity floor connection structure comprises a prefabricated variable-rigidity floor, a prefabricated beam, a beam connecting piece, additional steel bars and post-cast materials; the prefabricated variable-rigidity floor slab comprises a prefabricated floor slab and a wing plate; the prefabricated floor slab comprises prefabricated floor slab concrete and prefabricated floor slab reinforcing steel bars; the prefabricated floor slab steel bars are provided with an upper layer steel bar mesh and a lower layer steel bar mesh, and comprise transverse steel bars and longitudinal steel bars; the wing plates comprise wing plate reinforcing steel bars and wing plate concrete; the top surface of the wing plate concrete is not higher than the top surface of the lower transverse steel bar, and the wing plate concrete and the prefabricated floor plate concrete are cast together into a whole; the precast beam is a steel beam, a precast steel-concrete combined beam or a precast concrete beam; the end part of the wing plate is arranged on or close to the precast beam; the additional reinforcing steel bars comprise transverse additional reinforcing steel bars and longitudinal additional reinforcing steel bars; the transverse additional steel bars are connected with the upper transverse steel bars of the prefabricated floor slab in a welding or lap joint mode; one end of the beam connecting piece is fixedly connected with the precast beam in a welding or bolting mode; and post-cast materials are poured above the precast beams.
Preferably, the transverse steel bars and the longitudinal steel bars are orthogonal or oblique to each other; the upper transverse steel bar extends out of the concrete side face of the prefabricated floor; the wing plates are positioned on the side surfaces of the precast floor slabs and are correspondingly arranged; the wing plate steel bars are provided with steel bar meshes and comprise wing plate transverse steel bars and wing plate longitudinal steel bars; the wing plate transverse steel bars and the transverse steel bars at the lower part of the precast floor slab are connected into a whole or are formed by extending the transverse steel bars at the lower part of the precast floor slab; the beam connecting piece is a stud, a steel bar, profile steel or a welded steel component; the beam connecting pieces are arranged at intervals along the length direction of the precast beam; the transverse reinforcing steel bars of the wing plates extend out of the side faces of the concrete of the wing plates, extend into the upper parts of the precast beams and are wrapped by post-cast materials; and the post-cast material wraps the additional steel bars, the transverse steel bars of the prefabricated floor slab and the beam connecting piece to form a post-cast block for connecting the prefabricated beam and the prefabricated variable-rigidity floor slab.
Preferably, the transverse additional steel bars are arranged corresponding to the transverse steel bars of the wing plate extending out of the concrete side surface of the wing plate; the transverse reinforcing steel bars and the transverse additional reinforcing steel bars of the wing plates are connected with each other in a welding or overlapping mode.
Preferably, the transverse reinforcement of the wing plate forms a reinforcement ring above the beam; the beam connector is inserted into the reinforcement ring.
Preferably, the upper transverse steel bars of the precast floor slabs extend out of the concrete side faces of the precast floor slabs and are connected with the wing plate transverse steel bars into a whole to form a U shape, extend into the upper portions of the precast beams and are wrapped by post-cast materials.
Preferably, the transverse steel bars on the upper part of the precast floor slab extend out of the concrete side surface of the precast floor slab and are connected with the transverse steel bars of the wing plate to form a U shape and extend into the upper part of the precast beam, and the longitudinal additional steel bars are inserted into the U-shaped steel bars to form a steel bar cage; the reinforcement cage is wrapped by post-cast material.
Preferably, variable-rigidity floors are arranged on two sides of the precast beam, the transverse additional steel bars are connected with the upper transverse steel bars of the variable-rigidity floors on the two sides in a welding or lap joint mode; the transverse steel bars of the wing plate are partially or completely exposed out of the concrete surface of the wing plate.
Preferably, the transverse additional steel bars form closed rectangular steel bars and are arranged corresponding to the transverse steel bars of the precast floor slab.
Preferably, the prefabricated rigidity-variable floor slab is provided with a transverse steel connecting piece; one end of the steel connecting piece is fixed on the prefabricated variable-rigidity floor slab, the other end of the steel connecting piece is connected with the steel connecting piece of the prefabricated variable-rigidity floor slab on the other side of the beam, and the connecting mode is bolting or welding.
Compared with the prior art the utility model has the following characteristics and beneficial effect:
1. the utility model discloses a roof beam support and prefabricated rigidity-variable floor connection structure, support tip set up attaches the muscle, simple structure, construction and preparation of being convenient for.
2. The utility model discloses a roof beam support and prefabricated rigidity-variable floor connection structure, roof beam pass through the roof beam connecting piece and are connected with the precast concrete floor, can effectively transmit horizontal seismic force, prevent to drop.
3. The utility model discloses a roof beam support and prefabricated rigidity-variable floor connection structure, roof beam connecting piece are located the roof beam middle part, can effectively reduce the moment of torsion to the roof beam.
4. The utility model discloses a roof beam support and prefabricated rigidity-variable floor connection structure, beam connection spare have flexible cover, allow to take place relative little deformation between floor and the roof beam, can effectively reduce the moment of torsion to the roof beam.
5. The utility model discloses a roof beam support and prefabricated rigidity-variable floor connection structure set up the post-cast material between prefabricated floor and the roof beam, can effectively promote the anticorrosive fire behavior of upper limb of beam steel structure part.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of a beam support in connection with a precast floor slab;
FIG. 2 is a schematic plan view of a prefabricated floor slab;
FIG. 3 is a schematic cross-sectional view of a prefabricated floor slab with U-shaped extending steel bars;
FIG. 4 is a schematic cross-sectional view of the additional reinforcing bars in a U-shaped form;
figure 5 is a schematic transverse cross-section with a steel connection.
Fig. 6 is a plan view showing the construction of the reinforcement ring formed by the transverse reinforcement of the wing plate.
Reference numerals: 1-precast floor slab concrete, 2-precast floor slab steel bars, 2.1-transverse steel bars, 2.2-longitudinal steel bars, 3-post-cast material, 4-precast beams, 5-additional steel bars, 5.1-transverse additional steel bars, 5.2-longitudinal additional steel bars, 6-beam connecting pieces, 7-wing plates, 8-wing plate steel bars, 8.1-wing plate transverse steel bars, 8.2-wing plate longitudinal steel bars, 9-wing plate concrete and 10-steel connecting pieces.
The specific implementation mode is as follows:
in order to better understand the objects, technical solutions and functions of the present invention, the present invention will be described in further detail with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it is to be understood that the terms "comprises," "comprising," "consists of," "8230," "consisting of," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed if necessary or inherent to such product, apparatus, process or method. Without further limitation, an element defined by the phrases "comprising/including" \8230; "comprising 8230; \8230; composition of \8230;" does not exclude the presence of additional like elements in a product, device, process, or method that includes the element.
In the present application, the term "fixedly connected" is to be understood in a broad sense, unless expressly stated or limited otherwise, for example: the connection can be a sleeve connection, a lap joint, a welding connection, a bolt connection or a combination of the above connections; the terms "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; the two components can be directly connected or indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or the interaction relationship of the two components; the term "through-length reinforcement" means that the reinforcement is continuous without breaking, or the reinforcement is broken but the fixed connection between the reinforcements is broken. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is also to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships illustrated in the figures, and are merely used for convenience in describing and simplifying the present invention, rather than to indicate or imply that the device, component, or structure so referred to must have a particular orientation, be constructed or operated in a particular orientation, and are not to be construed as limiting the present invention.
The following describes the present invention in detail with reference to preferred embodiments thereof in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, a beam support and prefabricated variable-rigidity floor connection structure comprises a prefabricated variable-rigidity floor, a prefabricated beam 4, a beam connecting piece 6, additional steel bars 5 and post-cast materials 3; the prefabricated variable-rigidity floor slab comprises a prefabricated floor slab and a wing plate 7; the prefabricated floor slab comprises prefabricated floor slab concrete 1 and prefabricated floor slab reinforcing steel bars 2; the prefabricated floor slab reinforcing steel bars 2 are provided with an upper layer reinforcing steel bar net and a lower layer reinforcing steel bar net, and comprise transverse reinforcing steel bars 2.1 and longitudinal reinforcing steel bars 2.2; the wing plate 7 comprises a wing plate reinforcing steel bar 8 and a wing plate concrete 9; the top surface of the wing plate concrete 9 is not higher than the top surface of the lower transverse steel bar 2.1, and is cast together with the prefabricated floor plate concrete 1 into a whole; the precast beam 4 is a steel beam, a precast steel-concrete combined beam or a precast concrete beam; the end of the wing plate 7 is on or adjacent to the precast beam 4; the additional reinforcing steel bars 5 comprise transverse additional reinforcing steel bars 5.1 and longitudinal additional reinforcing steel bars 5.2; the transverse additional steel bars 5.1 are connected with the transverse steel bars 2.1 at the upper part of the prefabricated floor slab in a welding or lap joint mode; one end of the beam connecting piece 6 is fixedly connected with the precast beam 4 in a welding or bolting mode; and a post-cast material 3 is poured above the precast beam 4.
Preferably, the transverse steel bars 2.1 and the longitudinal steel bars 2.2 are orthogonal or oblique to each other; the upper transverse steel bar 2.1 extends out of the side face of the prefabricated floor slab concrete 1; the wing plates 7 are positioned on the side surfaces of the precast floor slabs and are correspondingly arranged; the wing plate steel bars 8 are provided with steel bar meshes and comprise wing plate transverse steel bars 8.1 and wing plate longitudinal steel bars 8.2; the wing plate transverse steel bar 8.1 and the prefabricated floor lower part transverse steel bar 2.1 are connected into a whole or formed by extending the prefabricated floor lower part transverse steel bar 2.1; the beam connecting piece 6 is a stud, a steel bar, profile steel or a welded steel component; the beam connecting pieces 6 are arranged at intervals along the length direction of the precast beam 4; the transverse reinforcing steel bar 8.1 of the wing plate extends out of the side face of the concrete 9 of the wing plate, extends into the upper part of the precast beam 4 and is wrapped by the post-cast material 3; and the post-cast material 3 wraps the additional steel bars 5, the transverse steel bars 2.1 of the prefabricated floor slab and the beam connecting piece 6 to form a post-cast block which is connected with the prefabricated beam 4 and the prefabricated variable-rigidity floor slab.
Preferably, the transverse additional steel bars 5.1 are arranged corresponding to the wing plate transverse steel bars 8.1 extending out of the side face of the wing plate concrete 9; the transverse reinforcing steel bar 8.1 and the transverse additional reinforcing steel bar 5.1 of the wing plate are mutually connected in a welding or overlapping mode.
Preferably, as shown in fig. 6, the transverse reinforcement bars 8.1 of the wing plate form a reinforcement ring above the beam; the reinforcing steel bar rings are U-shaped, circular and the like, the clear distance of the reinforcing steel bar rings is larger than the outer diameter of the beam connecting piece, and the collapse resistance can be improved under extreme conditions; and the beam connecting piece 6 is inserted into the reinforcing steel bar ring to connect the precast beam 4 and the precast variable-rigidity floor slab.
Preferably, as shown in fig. 3, the upper transverse steel bars 2.1 of the precast floor slabs extend out of the lateral sides of the precast floor slab concrete 1 and are connected with the wing plate transverse steel bars 8.1 into a whole to form a U shape, and the U shape extends into the upper parts of the precast beams 4 and is wrapped by the post-cast material 3.
Further, the transverse steel bar 2.1 at the upper part of the precast floor slab extends out of the side surface of the precast floor slab concrete 1 and is connected with the transverse steel bar 8.1 of the wing plate to form a U shape and extends into the upper part of the precast beam 4, and the longitudinal additional steel bar 5.2 is inserted into the U-shaped steel bar to form a steel bar cage; the reinforcement cage is wrapped by the post-cast 3 to form a composite beam.
Preferably, variable-rigidity floors are arranged on two sides of the precast beam 4, the transverse additional steel bars 5.1 are connected with the upper transverse steel bars 2.1 of the variable-rigidity floors on the two sides in a welding or lap joint mode; the transverse reinforcing steel bars 8.1 of the wing plate are partially or completely exposed out of the surface of the concrete 9 of the wing plate.
Preferably, as shown in fig. 4, the transverse additional reinforcement 5.1 forms a closed rectangular rib arranged corresponding to the transverse reinforcement 2.1 of the prefabricated floor slab.
Further, as shown in fig. 5, the prefabricated rigidity-variable floor slab is provided with a transverse steel connecting piece 10; one end of the steel connecting piece 10 is fixed on the prefabricated rigidity-variable floor slab, the other end of the steel connecting piece is connected with the steel connecting piece 10 of the prefabricated rigidity-variable floor slab on the other side of the beam, and the connecting mode is bolting or welding.
Preferably, the girder connection 6 is located in an edge region of the cross section of the precast girder 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modifications, equivalent replacements, and improvements made by those skilled in the art within the technical scope of the present invention should be covered within the scope of the present invention.
Claims (9)
1. The utility model provides a roof beam support and prefabricated rigidity floor connection structure that becomes, including prefabricated rigidity floor, precast beam (4), roof beam connecting piece (6), additional reinforcing bar (5), post-cast material (3), its characterized in that: the prefabricated variable-rigidity floor slab comprises a prefabricated floor slab and a wing plate (7); the prefabricated floor slab comprises prefabricated floor slab concrete (1) and prefabricated floor slab reinforcing steel bars (2); the prefabricated floor slab steel bars (2) are provided with an upper layer steel bar mesh and a lower layer steel bar mesh and comprise transverse steel bars (2.1) and longitudinal steel bars (2.2); the wing plate (7) comprises a wing plate reinforcing steel bar (8) and a wing plate concrete (9); the top surface of the wing plate concrete (9) is not higher than the top surface of the lower transverse steel bar (2.1), and the wing plate concrete and the prefabricated floor plate concrete (1) are poured together into a whole; the precast beam (4) is a steel beam, a precast steel-concrete combined beam or a precast concrete beam; the end part of the wing plate (7) is arranged on the precast beam (4) or is close to the precast beam (4); the additional reinforcing steel bars (5) comprise transverse additional reinforcing steel bars (5.1) and longitudinal additional reinforcing steel bars (5.2); the transverse additional steel bars (5.1) are connected with the transverse steel bars (2.1) at the upper part of the prefabricated floor slab in a welding or lap joint mode; one end of the beam connecting piece (6) is fixedly connected with the precast beam (4) in a welding or bolting mode; and post-cast materials (3) are poured above the precast beams (4).
2. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 1, wherein: the transverse steel bars (2.1) and the longitudinal steel bars (2.2) are mutually orthogonal or oblique; the upper transverse steel bar (2.1) extends out of the side face of the prefabricated floor slab concrete (1); the wing plates (7) are positioned on the side faces of the precast floor slabs and are correspondingly arranged; the wing plate steel bars (8) are provided with steel bar meshes and comprise wing plate transverse steel bars (8.1) and wing plate longitudinal steel bars (8.2); the wing plate transverse steel bar (8.1) and the prefabricated floor lower part transverse steel bar (2.1) are connected into a whole or formed by extending the prefabricated floor lower part transverse steel bar (2.1); the beam connecting piece (6) is a stud, a steel bar, profile steel or a welded steel component; the beam connecting pieces (6) are arranged at intervals along the length direction of the precast beam (4); the wing plate transverse steel bar (8.1) extends out of the side face of the wing plate concrete (9), extends into the upper part of the precast beam (4), and is wrapped by the post-cast material (3); and the post-cast material (3) wraps the additional steel bars (5), the transverse steel bars (2.1) of the prefabricated floor slab and the beam connecting piece (6) to form a post-cast block for connecting the prefabricated beam (4) and the prefabricated variable-rigidity floor slab.
3. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 2, wherein: the transverse additional steel bars (5.1) and wing plate transverse steel bars (8.1) extending out of the side faces of the wing plate concrete (9) are arranged correspondingly; the transverse steel bar (8.1) and the transverse additional steel bar (5.1) of the wing plate are connected with each other in a welding or overlapping mode.
4. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 2, wherein: the transverse reinforcement (8.1) of the wing plate forms a reinforcement ring above the beam; a beam connector (6) is inserted into the reinforcement ring.
5. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 1, wherein: the upper transverse steel bar (2.1) of the prefabricated floor slab stretches out of the side face of the concrete (1) of the prefabricated floor slab and is connected with the transverse steel bar (8.1) of the wing plate into a whole to form a U shape, stretches into the upper portion of the prefabricated beam (4), and is wrapped by the post-cast material (3).
6. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 1, wherein: the upper transverse steel bar (2.1) of the prefabricated floor slab extends out of the side face of the prefabricated floor slab concrete (1) and is connected with the wing plate transverse steel bar (8.1) to form a U shape and extends into the upper part of the prefabricated beam (4), and the longitudinal additional steel bar (5.2) is inserted into the U-shaped steel bar to form a steel bar cage; the reinforcement cage is wrapped by the post-cast material (3).
7. The beam support and prefabricated variable-rigidity floor slab connecting structure according to claim 2, wherein: variable-rigidity floors are arranged on two sides of the precast beam (4), the transverse additional steel bars (5.1) are connected with the upper transverse steel bars (2.1) of the variable-rigidity floors on the two sides in a welding or lap joint mode; the transverse steel bars (8.1) of the wing plate are partially or completely exposed out of the surface of the concrete (9) of the wing plate.
8. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 1, wherein: the transverse additional reinforcing steel bars (5.1) form closed rectangular reinforcing steel bars and are arranged corresponding to the transverse reinforcing steel bars (2.1) of the prefabricated floor slab.
9. The beam support and prefabricated variable-rigidity floor slab connection structure according to claim 1, wherein: the prefabricated variable-rigidity floor slab is provided with a transverse steel connecting piece (10); one end of the steel connecting piece (10) is fixed on the prefabricated variable-rigidity floor slab, the other end of the steel connecting piece is connected with the steel connecting piece (10) of the prefabricated variable-rigidity floor slab on the other side of the beam, and the connecting mode is bolting or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221947743.6U CN218843351U (en) | 2022-07-26 | 2022-07-26 | Beam support and prefabricated rigidity-variable floor connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221947743.6U CN218843351U (en) | 2022-07-26 | 2022-07-26 | Beam support and prefabricated rigidity-variable floor connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN218843351U true CN218843351U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221947743.6U Active CN218843351U (en) | 2022-07-26 | 2022-07-26 | Beam support and prefabricated rigidity-variable floor connecting structure |
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| CN (1) | CN218843351U (en) |
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- 2022-07-26 CN CN202221947743.6U patent/CN218843351U/en active Active
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