CN215166764U

CN215166764U - Displacement type buckling restrained brace energy dissipation structure

Info

Publication number: CN215166764U
Application number: CN202023286630.XU
Authority: CN
Inventors: 魏然
Original assignee: Tianjin Tenio Architecture And Engineering Co ltd
Current assignee: Tianjin Tenio Architecture And Engineering Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-14
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a displacement type buckling restrained brace energy dissipation structure, which comprises a core material and a limiter sleeved on the core material; the core material comprises two long steel plates which are arranged in parallel up and down and are divided into a middle plastic restraint section, two transition sections and two connecting sections, wherein the middle plastic restraint section is positioned in the middle of the whole core material, the two transition sections are respectively positioned at two ends of the plastic restraint section, and the two connecting sections are respectively positioned at the outer ends of the two transition sections; the transition section and the connecting section of the long steel plate are internally provided with webs, and the webs of the connecting section of the long steel plate are provided with reinforcing ribs; the limiter is a square steel pipe, the square steel pipe is sleeved on the middle plastic constraint section and the two transition sections of the core material long steel plate, the middle plastic constraint section of the long steel plate in the square steel pipe is filled with grouting material filling materials, and buffer materials are arranged at two ends of the grouting material filling materials.

Description

Displacement type buckling restrained brace energy dissipation structure

Technical Field

The utility model belongs to the technical field of building structure takes precautions against earthquakes and subtracts disaster engineering, concretely relates to displacement type bucking restraint supports energy dissipation structure.

Background

In 2009, global building structure earthquake-proof and disaster-reduction students propose 'earthquake-proof cities with recoverable functions' as a large direction for the work of the earthquake engineering design field; the method is based on deepening and development of a first generation performance design theory (PBEE) in the 90 th years of the last century, so a structure system and a technology with a recoverable function need to be developed, a structural seismic isolation and reduction technology is an important component of the structure technology with the recoverable function, and a Buckling Restrained Brace (BRB) is one of means of an energy dissipation and shock absorption technology and serves as a displacement type metal energy dissipater to dissipate energy by buckling in rare earthquakes, protect a main body structure and reduce structural damage; the earthquake-resistant steel plate is easy to replace after an earthquake, so that the main body structure can be quickly restored to the use function.

The traditional buckling restrained brace easily has the problems that a connecting node is out of control firstly, a core material energy consumption section is not buckled, energy can not be consumed, the buckling restrained brace fails, and a main body structure cannot be protected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a displacement type bucking restraint supports energy dissipation structure to solve current bucking restraint and support the node and easily lose control earlier, the unyielding problem of core power consumption section.

The utility model discloses a realize through following technical scheme:

a displacement type buckling restrained brace energy dissipation structure comprises a core material and a limiter sleeved on the core material;

the core material comprises two long steel plates which are arranged in parallel up and down and are divided into a middle plastic restraint section, two transition sections and two connecting sections, wherein the middle plastic restraint section is positioned in the middle of the whole core material, the two transition sections are respectively positioned at two ends of the plastic restraint section, and the two connecting sections are respectively positioned at the outer ends of the two transition sections;

the transition section and the connecting section of the long steel plate are internally provided with webs, and the webs of the connecting section of the long steel plate are provided with reinforcing ribs;

the limiter is a square steel pipe, the square steel pipe is sleeved on the middle plastic constraint section and the two transition sections of the core material long steel plate, the middle plastic constraint section of the long steel plate in the square steel pipe is filled with grouting material filling materials, and buffer materials are arranged at two ends of the grouting material filling materials.

In the technical scheme, the web plate is vertically connected between the two long steel plates along the length direction of the long steel plates.

In the technical scheme, the reinforcing ribs are vertically connected to the web plate along the length direction of the web plate.

In the technical scheme, the reinforcing ribs are positioned on the bisection plane of the web plate.

In the technical scheme, the inner diameter of the square steel pipe is slightly larger than the width of the long steel plate, so that the core material can be sleeved in the square steel pipe.

In the technical scheme, the transition section of the long steel plate in the square steel pipe is also filled with grouting material filling materials.

In the above technical scheme, the grouting material filler is mortar, common concrete or composite grouting material.

In the above technical scheme, the buffer material is made of an EVA material.

The utility model discloses an advantage and beneficial effect do:

the displacement type buckling restrained brace energy dissipation structure of the utility model has the advantages that the core material is easy to yield under the designed bearing capacity, and the bearing capacity is not obviously reduced under 3% of large deformation; the structure is simple, and the manufacturing cost is reduced.

Drawings

Figure 1 is a structural schematic diagram of a displacement type buckling restrained brace energy dissipation structure.

Fig. 2 is a schematic view of the structure of the core material.

Fig. 3 is a section a-a of fig. 1.

Fig. 4 is a section B-B of fig. 2.

Fig. 5 is a section C-C of fig. 3.

In the figure: 1: core material, 2: limiter, 1-1: long steel plate, 1-2: web, 1-3: reinforcing ribs, 1-4: grouting material filler, 1-5: cushioning material, a: intermediate plastic restraint section, b: transition section, c: and (4) connecting the sections.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.

Referring to the attached drawings, the displacement type buckling restrained brace energy dissipation structure comprises a core material 1 and a limiter 2 sleeved on the core material.

The core material 1 comprises two long steel plates 1-1 which are arranged in parallel up and down, and the long steel plates are divided into a middle plastic restraint section a, two transition sections b and two connecting sections c, wherein the middle plastic restraint section a is located in the middle of the whole core material, the two transition sections b are located at two ends of the plastic restraint section respectively, and the two connecting sections c are located at the outer ends of the two transition sections respectively.

The middle plastic constraint section a of the long steel plate is free of a web plate, the transition section b and the connection section c of the long steel plate are internally provided with web plates 1-2, the web plates 1-2 are vertically connected between the two long steel plates along the length direction of the long steel plate, the web plate of the connection section c of the long steel plate is provided with reinforcing ribs 1-3, and the reinforcing ribs are vertically connected to the web plate along the length direction of the web plate; further, the reinforcing ribs are located on the bisecting plane of the web.

The limiter 2 is a square steel pipe, the square steel pipe is sleeved on the middle plastic constraint section and the two transition sections of the core material long steel plate (the inner diameter of the square steel pipe is slightly larger than the width of the long steel plate so that the square steel pipe can be sleeved into the core material), the middle plastic constraint section of the long steel plate in the square steel pipe is filled with grouting material fillers 1-4, and buffer materials 1-5 are arranged at two ends of the grouting material fillers.

Furthermore, the transition section of the long steel plate in the square steel pipe is also filled with grouting material filling.

Furthermore, the grouting material filler is mortar, common concrete or a composite grouting material.

Furthermore, the buffer material is made of EVA material.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.

Claims

1. The utility model provides a displacement type bucking restraint supports dissipation structure which characterized in that: comprises a core material and a limiter sleeved on the core material;

2. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: the web plate is vertically connected between the two long steel plates along the length direction of the long steel plates.

3. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: the reinforcing ribs are vertically connected to the web plate along the length direction of the web plate.

4. A displacement type buckling restrained brace energy dissipation structure as defined in claim 3, wherein: the reinforcing ribs are positioned on the bisecting plane of the web plate.

5. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: the inner diameter of the square steel pipe is larger than the width of the long steel plate, so that the core material can be sleeved in the square steel pipe.

6. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: and the transition section of the long steel plate in the square steel pipe is also filled with grouting material filler.

7. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: the grouting material filler adopts mortar or common concrete or composite grouting material.

8. The displacement type buckling restrained brace energy dissipation structure of claim 1, wherein: the buffer material is made of EVA material.