CN219586929U

CN219586929U - Concrete structure girder steel just connects node of encorbelmenting

Info

Publication number: CN219586929U
Application number: CN202320553291.1U
Authority: CN
Inventors: 徐雪江
Original assignee: Jiangsu Haosen Building Design Co ltd
Current assignee: Jiangsu Haosen Building Design Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-25
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of building structures, in particular to a cantilever steel beam rigid joint of a concrete structure, which comprises a concrete beam and a cantilever beam, wherein one end of the cantilever beam is poured into the concrete beam, a reinforcing plate is fixedly sleeved on the cantilever beam, the reinforcing plate is positioned at the end part of the cantilever beam or the end part of the concrete beam, the concrete beam comprises Liang Lajin and stirrups, liang Lajin is distributed on the outer side of the cantilever beam, the stirrups surround beam lacing wires, the reinforcing plate is welded with Liang Lajin, stiffening ribs are welded on two side surfaces of the reinforcing plate, and the stiffening ribs are welded on the cantilever beam.

Description

Concrete structure girder steel just connects node of encorbelmenting

Technical Field

The utility model relates to the technical field of building structures, in particular to a cantilever steel beam rigid joint of a concrete structure.

Background

In public construction, each tower is connected to the gallery in two layers often, and the tower exists the span and has the overhanging that is great, and the roof beam height is restricted again, adopts concrete cantilever beam to add the girder steel and realizes.

If all the cantilever beams adopt concrete beams, the section is difficult to meet the building requirement; if all the cantilever beams adopt steel structures, the cantilever beams are connected with the concrete beams in the main body range, and the structure is complex. The corridor is generally of a steel structure, so that the requirement of building beam height can be met by adopting the concrete cantilever beam and the steel beam, and the concrete cantilever beam can be well connected with the corridor.

Disclosure of Invention

The utility model aims to provide a cantilever steel beam rigid joint of a concrete structure, which is characterized in that a reinforcing plate is fixed on a cantilever beam and connected with the concrete beam by pouring the cantilever beam in the concrete beam, so that the connection strength between the cantilever beam and the concrete beam is enhanced, and the bearing capacity and stability of the cantilever beam are ensured.

The utility model provides the following technical scheme: the utility model provides a concrete structure girder steel just connects node of encorbelmenting, concrete beam and encorbelmenting beam, the one end of encorbelmenting the beam is pour in the concrete beam, cup joint on the encorbelmenting beam and be fixed with the reinforcing plate, the reinforcing plate is located the tip of encorbelmenting beam or the tip of concrete beam, the concrete beam includes Liang Lajin and stirrup, liang Lajin distributes in the outside of encorbelmenting beam, and the stirrup is around on the roof beam lacing wire, reinforcing plate and Liang Lajin welding, all weld the stiffening rib on the both sides face of reinforcing plate, the stiffening rib welds on the encorbelmenting beam.

In order to strengthen the joint strength between reinforcing plate and the concrete beam, the reinforcing plate is located on the terminal surface of the concrete beam, still be connected through chemical anchor bolt between reinforcing plate and the concrete beam.

In order to enhance the connection strength between the cantilever beam and the concrete beam, bolts are welded on two side surfaces of the cantilever beam.

In order to improve the aesthetic property of connected node, the caulking groove has been seted up on the surface of concrete beam, the reinforcing plate is located the caulking groove, and the surface of reinforcing plate flushes with concrete beam.

According to the technical scheme, the cantilever beams are box-shaped steel beams, I-steel beams or H-steel beams.

The connection strength of the cantilever beam and the concrete beam is further enhanced, the stiffening rib on one side is also poured in the concrete beam, and the stiffening rib is also connected with a reinforcing steel bar.

In order to improve the stability and the torsion resistance of the cantilever beam, the thickness of the stiffening rib is 14mm.

Compared with the prior art, the utility model has the following beneficial effects: through pouring the cantilever beam in the concrete beam, set up all with concrete beam and cantilever beam welded reinforcing plate, the reinforcing plate cup joints on the cantilever beam, and the reinforcing plate is connected with the concrete beam, has effectively improved the concrete beam and cantilever beam between anti shear strength, welds the stiffening rib simultaneously, has further guaranteed cantilever beam's bearing capacity and stability, and this structural construction is simple, does not need the collocation type steel column, is convenient for construct.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

fig. 3 is a schematic cross-sectional structure of a concrete beam of the present utility model;

in the figure: 1. a concrete beam; 11. stirrups; 12. liang Lajin; 2. a cantilever beam; 21. a bolt; 4. a reinforcing plate; 5. chemical anchor bolts; 6. stiffening ribs; 61. reinforcing steel bars.

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.

Examples

Referring to fig. 1 and 3, the present utility model provides the following technical solutions: the utility model provides a concrete structure girder steel just connects node of encorbelmenting, including concrete beam 1 and encorbelmenting beam 2, the one end of encorbelmenting beam 2 is pour in concrete beam 1 and is fixed in concrete beam 1 through concrete placement, cup joint on the encorbelmenting beam 2 and be fixed with reinforcing plate 4, reinforcing plate 4 welding is at the tip of encorbelmenting beam 2 or connect the terminal surface at concrete beam 1, reinforcing plate 4 of encorbelmenting beam 2 tip is pour in concrete beam 1, reinforcing encorbelment beam 2 and concrete beam 1 between joint strength, shearing resistance and bearing capacity have effectively been improved encorbelment beam 2, concrete beam 1 includes Liang Lajin and stirrup 11, liang Lajin distributes in the outside of encorbelmenting beam 2, stirrup 11 is around on beam lacing wire 12, reinforcing plate 4 and Liang Lajin welding have guaranteed joint strength between reinforcing plate 4 and the concrete beam 1.

As shown in fig. 2, the reinforcing plate 4 is located on the end face of the concrete beam 1, the reinforcing plate 4 is connected with the concrete beam 1 through a chemical anchor bolt 5, the chemical anchor bolt has strong anchoring force and high force transmission performance, and the installation is quick, so that the connection strength between the reinforcing plate 4 and the concrete beam 1 can be improved.

The bolts 21 are welded on the two side faces of the cantilever beam 2, the bolts 21 and the concrete beam 1 are cast together to form through the bolts 21, and the bolt caps are located on the outer sides, so that the connection strength between the cantilever beam 2 and the concrete beam 1 is improved.

The caulking groove has been seted up on the surface of concrete beam 1, and reinforcing plate 4 imbeds in the caulking groove, and the surface of reinforcing plate 4 flushes with concrete beam 1, has improved the aesthetic property of connected node.

The cantilever beam 2 is a box steel beam, i-steel or H-steel, and in this embodiment, the cantilever beam 2 is H-steel, or steel with other shapes.

The stiffening rib 6 on one side is also poured in the concrete beam 1, the stiffening rib 6 is internally provided with a hole, the reinforcing steel bar 61 is penetrated in the hole, the reinforcing steel bar 61 is poured in the concrete beam 1, and the connection strength between the reinforcing plate 4 and the concrete beam 1 is further ensured.

The thickness of the stiffening rib 6 is 14mm, so that the thickness of the stiffening rib 6 is increased, the local stability of the component is ensured, and the stability and the torsion resistance of the cantilever beam are improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a girder steel just connects node of concrete structure encorbelments, includes concrete beam and cantilever beam, its characterized in that: the one end of cantilever beam is pour in the concrete beam, cup joint on the cantilever beam and be fixed with the reinforcing plate, the reinforcing plate is located the tip of cantilever beam or the tip of concrete beam, the concrete beam includes Liang Lajin and stirrup, liang Lajin distributes in the outside of cantilever beam, and the stirrup is around on the roof beam lacing wire, reinforcing plate and Liang Lajin welding, all weld the stiffening rib on the both sides face of reinforcing plate, the stiffening rib welds on the cantilever beam.

2. The concrete structure cantilever steel girder rigid joint according to claim 1, wherein: the reinforcing plate is located on the end face of the concrete beam, and the reinforcing plate is connected with the concrete beam through a chemical anchor bolt.

3. The concrete structure cantilever steel girder rigid joint according to claim 1, wherein: bolts are welded on the two side faces of the cantilever beam.

4. The concrete structure cantilever steel girder rigid joint according to claim 2, wherein: the caulking groove is formed in the surface of the concrete beam, the reinforcing plate is located in the caulking groove, and the surface of the reinforcing plate is flush with the concrete beam.

5. The concrete structure cantilever steel girder rigid joint according to claim 1, wherein: the cantilever beam and the cantilever beam are box-shaped steel beams, I-steel beams or H-steel beams.

6. The concrete structure cantilever steel girder rigid joint according to claim 1, wherein: the stiffening rib on one side is also poured in the concrete beam, and the stiffening rib is also connected with reinforcing steel bars.

7. The concrete structure cantilever steel girder rigid joint according to claim 1, wherein: the stiffening rib has a thickness of 14mm.