CN218933450U

CN218933450U - Connection structure of buckling restrained brace and filling wall body

Info

Publication number: CN218933450U
Application number: CN202223205455.6U
Authority: CN
Inventors: 曹自强; 宋博; 马德新; 张巨振; 陆振海; 崔婧瑞; 赵艳波
Original assignee: China Construction First Group Corp Ltd
Current assignee: China Construction First Group Corp Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-28
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a connection structure of a buckling restrained brace and a filling wall, which comprises a joist and connecting ribs, wherein the joist is arranged on the outer peripheral side of the buckling restrained brace, one end of each connecting rib is fixed on the joist, and the other end of each connecting rib is fixed on a building structure; the buckling restrained brace is obliquely arranged, the lower end of the buckling restrained brace is connected with the floor slab, and the upper end of the buckling restrained brace is connected with the superstructure; a buffer layer is arranged between the joist and the buckling restrained brace, a concrete layer is filled in front of the buffer layer and the joist, and reinforcing ribs are arranged in the concrete layer. The connecting structure provided by the utility model has reasonable structure and convenient construction, and the buffer layer is arranged between the joist and the buckling restrained brace so as to improve the shock absorption capacity of the connecting structure and the shock resistance of the building structure; a concrete layer with reinforcing ribs is arranged between the buffer layer and the joist, and connecting ribs are arranged on the upper side and the lower side of the joist so as to ensure the strength of the connecting structure.

Description

Connection structure of buckling restrained brace and filling wall body

Technical Field

The utility model belongs to the technical field of constructional engineering, and relates to a connection structure of buckling restrained brace and a filling wall.

Background

The buckling restrained brace is also called buckling restrained brace (Buckling restrained brace, BRB), has the advantages of separating bearing capacity from rigidity, good ductility and hysteresis performance, and can effectively protect a main body structure and reduce stress of adjacent components. Buckling restrained braces can provide substantial lateral stiffness and load-bearing capacity for the frame or bent structure. Buckling restrained braces typically include core panels, outer steel tubes, and the like, for placement in locations of greater forces and deformations within the building structure to protect the building body from seismic damage.

When buckling restrained brace is connected with the filling wall, the buckling restrained brace cannot be directly used to ensure the connection strength of the buckling restrained brace and the filling wall, the problem of earthquake resistance and failure easily occurs, and the effect of the buckling restrained brace is weakened to a certain extent.

Therefore, there is a need to design a connection structure between buckling restrained brace and filling wall, which solves the technical problems existing in the prior art.

Disclosure of Invention

The utility model aims to solve at least part of the technical problems in the prior art to a certain extent, and provides a connecting structure of a buckling restrained brace and a filled wall, which is reasonable in structure and convenient to construct.

In order to solve the technical problems, the connecting structure of the buckling restrained brace and the filling wall body comprises a joist and connecting ribs, wherein the joist is arranged on the outer peripheral side of the buckling restrained brace, one end of each connecting rib is fixed on the joist, and the other end of each connecting rib is fixed on a building structure; the buckling restrained brace is obliquely arranged, the lower end of the buckling restrained brace is connected with the floor slab, and the upper end of the buckling restrained brace is connected with the superstructure; a buffer layer is arranged between the joist and the buckling restrained brace, a concrete layer is filled in front of the buffer layer and the joist, and reinforcing ribs are arranged in the concrete layer.

In some embodiments, the connecting bars are disposed vertically between the floor slab and the superstructure.

In some embodiments, the connection ribs are steel bars, the number of the connection ribs is a plurality of the connection ribs, and the connection ribs are arranged at intervals along the length direction of the joist.

In some embodiments, the connection bars are disposed on the upper and lower sides of the joist.

In some embodiments, the buffer layer is a rock wool board or polystyrene board having a thickness of 100mm.

In some embodiments, the number of the reinforcing ribs is plural, and the reinforcing ribs are disposed at intervals inside the concrete layer.

In some embodiments, the reinforcing bars are reinforcing bars having a diameter of 20-30 mm.

In some embodiments, the joists are disposed on the outside of the infill wall.

In some embodiments, the joists are at least partially disposed inside the infill wall.

In some embodiments, the floor slab is made of foam concrete, and the lower end of the joist is disposed inside the floor slab.

The utility model has the beneficial effects that:

the connecting structure of the buckling restrained brace and the filling wall body is reasonable in structure and convenient to construct, and the buffer layer is arranged between the joist and the buckling restrained brace so as to improve the shock absorption capacity of the connecting structure and the shock resistance of the building structure; a concrete layer with reinforcing ribs is arranged between the buffer layer and the joist, and connecting ribs are arranged on the upper side and the lower side of the joist so as to ensure the strength of the connecting structure.

Drawings

The above-described advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

FIG. 1 is a schematic view of a connection structure of a buckling restrained brace and a infill wall according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of another embodiment of a connection structure of buckling restrained brace and infill wall according to the present utility model;

FIG. 4 is a schematic view of the joist of the present utility model being disposed on the outside of a infill wall;

fig. 5 is a schematic view of the joist of the present utility model disposed inside a filled wall.

Detailed Description

Fig. 1 to 5 are schematic diagrams related to a connection structure between a buckling restrained brace and a filling wall, and the present utility model will be described in detail with reference to the specific embodiments and the accompanying drawings.

The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1 is a schematic view of a connection structure between a buckling restrained brace and a filling wall according to the present utility model, and fig. 2 is a partial enlarged view of a portion in fig. 1. The buckling restrained brace and filling wall connecting structure comprises a joist 10 and connecting ribs 20, wherein the joist 10 is arranged on the outer peripheral side of the buckling restrained brace 30, one end of each connecting rib 20 is fixed to the joist 10, and the other end of each connecting rib 20 is fixed to a building structure.

Further, the buckling restrained brace 30 is disposed obliquely, and has a lower end connected to the floor 40 and an upper end connected to the superstructure 50.

In fig. 2, a buffer layer 60 is disposed between the joist 10 and the buckling restrained brace 30, a concrete layer 70 is filled before the buffer layer 60 and the joist 10, and reinforcing ribs 71 are disposed inside the concrete layer 70 to ensure the strength of the assembly formed by the bracket 10 and the buckling restrained brace 30.

Further, the number of the reinforcing ribs 71 is plural, and the reinforcing ribs are disposed at intervals inside the concrete layer 70. Further, the reinforcing bars 71 are reinforcing bars having a diameter of 20-30 mm. Preferably, the reinforcing ribs 71 are reinforcing bars having a diameter of 22mm, the number of which is 3, and the reinforcing ribs 71 are disposed at intervals inside the concrete layer 70 to ensure the strength of the assembly formed by the bracket 10 and the buckling-restrained brace 30.

In some embodiments, the concrete layer 70 is C15 concrete, which fills in the gap between the joist 10 and the buckling-restrained brace 30, and at least one reinforcing rib 71 is provided inside the concrete layer 70.

In the embodiment shown in fig. 1, the connecting bars 20 are vertically disposed between the floor 40 and the superstructure 50. The connecting ribs 20 are reinforcing steel bars, the number of the reinforcing steel bars is a plurality of the reinforcing steel bars, and the connecting ribs 20 are arranged at intervals along the length direction of the joist 10.

In fig. 1, the connection ribs 20 are provided on the upper and lower sides of the joist 10. Specifically, the connection ribs 20 are connected to the upper and lower sides of the joist 10 in a welded form to improve the structural strength of the joist 10 which is obliquely arranged.

In the embodiment shown in fig. 2, the buffer layer 60 is a rock wool board, and has a thickness of 100mm. It will be appreciated that cushioning layer 60 may also be polystyrene board to enhance the flexibility of buckling-restrained brace 30 and to enhance the ability of bracket 10 and buckling-restrained brace 30 to absorb vibrations.

In fig. 1, the floor 40 is made of foam concrete, and the lower end of the buckling-restrained brace 30 is disposed inside the floor 40 made of foam concrete, so as to ensure the connection reliability of the buckling-restrained brace 30.

Fig. 3 is a modification of the connection structure corresponding to fig. 1, and in comparison with the embodiment shown in fig. 1, the buckling restrained brace 30 in fig. 3 is disposed on the upper surface of the floor slab 40, so as to ensure the connection reliability of the buckling restrained brace 30 and the joist 10.

Fig. 4 is a schematic view of the joist of the present utility model being disposed outside of the infill wall, and in particular, fig. 4 is a transverse cross-sectional view of the joist 10 being disposed outside of the infill wall 80. Joist 10 is provided outside of filling wall 80, and buckling restrained brace 30, buffer layer 60, concrete layer 70 and reinforcing ribs 71 are provided inside joist 10. Specifically, the side surface of the joist 10 abuts against the outer side of the infill wall 80.

Fig. 5 is a schematic view of the joist arrangement of the present utility model inside a infill wall, and in particular, fig. 5 is a transverse cross-sectional view of the joist 10 arranged outside the infill wall 80. The portion of joist 10 is disposed within a infill wall 80 and the structure within joist 10 is similar to that shown in figures 1 and 2. At least part of the joist 10 is arranged in the filled wall 80, and the upper side and the lower side of the joist 10 are provided with connecting ribs 20 to ensure the connection reliability of the buckling restrained brace 30 and the joist 10. It will be appreciated that in some embodiments, joists 10 may be disposed entirely within filled wall 80. It should be noted that, when the joist 10 and the buckling restrained brace 30 therein are partially disposed inside the filling wall 80, a groove needs to be disposed on the outer side of the filling wall 80, and the connection rib 20 fixed to the joist 10 is disposed in the groove. After buckling-restrained brace 30 is fixed to filling wall 80, the grooves need to be filled with mortar to ensure the reliability of the connection between the buckling-restrained brace and the filling wall.

Compared with the defects and shortcomings of the prior art, the connecting structure of the buckling restrained brace and the filling wall body is reasonable in structure and convenient to construct, and the buffer layer is arranged between the joist and the buckling restrained brace, so that the shock resistance of the building structure is improved, and the shock resistance of the connecting structure is improved; a concrete layer with reinforcing ribs is arranged between the buffer layer and the joist, and connecting ribs are arranged on the upper side and the lower side of the joist so as to ensure the strength of the connecting structure.

The present utility model is not limited to the above embodiments, and any person can obtain other products in various forms under the teaching of the present utility model, however, any changes in shape or structure of the products are included in the scope of protection of the present utility model, and all the products having the same or similar technical solutions as the present application are included in the present utility model.

Claims

1. The connecting structure of the buckling restrained brace and the filling wall body is characterized by comprising a joist (10) and connecting ribs (20), wherein the joist (10) is arranged on the outer peripheral side of the buckling restrained brace (30), one end of each connecting rib (20) is fixed on the joist (10), and the other end of each connecting rib (20) is fixed on a building structure; the buckling restrained brace (30) is obliquely arranged, the lower end of the buckling restrained brace is connected with the floor slab (40), and the upper end of the buckling restrained brace is connected with the superstructure (50); a buffer layer (60) is arranged between the joist (10) and the buckling restrained brace (30), a concrete layer (70) is filled in front of the buffer layer (60) and the joist (10), and reinforcing ribs (71) are arranged in the concrete layer (70).

2. The buckling-restrained brace and infill wall connection structure according to claim 1, wherein the connection bars (20) are vertically arranged between the floor slab (40) and the superstructure (50).

3. The connection structure of buckling restrained brace and filling wall according to claim 2, wherein the number of the connection ribs (20) is plural, and the connection ribs (20) are arranged at intervals along the length direction of the joist (10).

4. A buckling restrained brace and infill wall connection according to claim 3, characterised in that the connection bars (20) are provided on the upper and lower sides of the joist (10).

5. The buckling-restrained brace and infill wall connection structure according to claim 1, wherein the cushioning layer (60) is rock wool board or polystyrene board, the thickness of which is 100mm.

6. The buckling-restrained brace and infill wall connecting structure according to claim 1, wherein the number of the reinforcing ribs (71) is plural, and the reinforcing ribs are arranged at intervals inside the concrete layer (70).

7. The connection structure of buckling restrained brace and a filled wall according to claim 6, characterized in that the reinforcing bars (71) are reinforcing bars with a diameter of 20-30 mm.

8. The buckling-restrained brace and infill wall connection structure according to claim 1, wherein the joist (10) is arranged outside the infill wall (80).

9. The buckling-restrained brace and infill wall connection structure according to claim 1, wherein the joist (10) is at least partially arranged inside the infill wall (80).

10. The buckling-restrained brace and infill wall connecting structure according to claim 1, wherein the floor slab (40) is made of foam concrete, and the lower end of the joist (10) is provided inside the floor slab (40).