CN219825695U

CN219825695U - Fully assembled buckling restrained energy-dissipation supporting member

Info

Publication number: CN219825695U
Application number: CN202321292796.3U
Authority: CN
Inventors: 魏梦思; 袁波; 马克俭; 郑世宇; 陈靖; 田子东; 魏艳辉
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-13
Anticipated expiration: 2033-05-25

Abstract

The utility model provides a fully assembled buckling restrained energy dissipation supporting member which comprises an H-shaped steel outer restraining unit, a core plate core unit, unbonded materials, high-strength bolts and backing plates, wherein the H-shaped steel outer restraining unit is symmetrically arranged on the upper side and the lower side of the core plate core unit, the unbonded materials are arranged between flange plates of the H-shaped steel outer restraining unit and the core plate core unit, meanwhile, the backing plates are symmetrically arranged between the flange plates and on the left side and the right side of the core plate core unit, and the high-strength bolts penetrate through the flange plates and the backing plates on the two sides and are screwed and fixed. The utility model has simple structure and is convenient for inspection and replacement after earthquake; the energy consumption capacity and the application range of the whole energy consumption support can be adjusted by using different inner member materials; the whole energy dissipation support is of an assembled structure, and is easy to install and uninstall.

Description

Fully assembled buckling restrained energy-dissipation supporting member

Technical Field

The utility model relates to a fully assembled buckling restrained energy-dissipation supporting member, and belongs to the technical field of earthquake resistance of building structures.

Background

Buckling restrained energy dissipation brace (BRB) is an earthquake-resistant energy dissipation device with two supporting and energy dissipation dampers. The buckling restrained energy-consuming brace consists of a core unit, a restraining unit and a non-adhesive material and a filling material which are positioned between the core unit and the restraining unit.

The buckling restrained energy-dissipation brace increases the rigidity of the core material by using a restraint system, so that the core material is not buckled when being pressed, stability of a hysteresis curve is ensured, both tension and pressed can enter yield, the hysteresis performance is excellent, and the buckling restrained energy-dissipation brace has definite yield bearing capacity. Under the action of small earthquake, rigidity is provided for the main body structure, the function of a fuse can be achieved under the middle and large earthquake, the main body structure is protected from yielding or serious damage under the middle and large earthquake, damaged supports can be conveniently replaced, and the novel earthquake-resistant reinforced concrete structure can be used for earthquake-resistant reinforced reconstruction engineering of various new buildings and existing buildings.

However, conventional buckling-restrained energy-consuming struts suffer from the following drawbacks: 1. the restraint unit needs to be filled with concrete mortar, so that the self weight of the restraint unit is large, and the restraint unit is inconvenient to transport; 2. the production period is long, the processing procedure is complex, and the materials are wasted; 3. the clearance between the constraint unit and the core unit is difficult to control, and the machining precision is not high.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the fully assembled buckling restrained energy-dissipation supporting member which is simple in structure, low in cost and high in strength, and the device can achieve the purpose of damping and dissipating energy through the full-section yield of the inner member.

The technical scheme of the utility model is as follows: the utility model provides a full assembled buckling restrained energy dissipation brace member, includes H shaped steel outer constraint unit, core unit, unbonded material, high-strength bolt and backing plate, has arranged H shaped steel outer constraint unit at the upper and lower both sides of core unit symmetrically, is provided with unbonded material between the flange plate of H shaped steel outer constraint unit and core unit of core, has arranged the backing plate between the flange plate and the left and right sides that is located core unit of core simultaneously symmetrically, high-strength bolt passes flange plate and the backing plate of both sides and screws up fixedly.

Further, main tail wing plates are reserved at two ends of the core unit of the core plate, auxiliary tail wing plates are symmetrically welded and fixed on the main tail wing plates, and the main tail wing plates and the auxiliary tail wing plates form a cross-shaped connecting plate; the flange plate of the H-shaped steel outer constraint unit comprises an outer flange plate and an inner flange plate close to the core unit of the core plate, two ends of the inner flange plate extend out of two ends of a web plate of the H-shaped steel outer constraint unit, and a yielding groove corresponding to the auxiliary tail wing plate is formed in the extending end of the inner flange plate.

Further, semicircular bulges are symmetrically arranged on two sides of the middle part of the core unit of the core plate, and semicircular grooves which are matched with the semicircular bulges are formed in the inner side of the backing plate.

Further, the thickness of the backing plate is equal to the sum of the thicknesses of the core units of the core plate and the unbonded material.

By adopting the technical scheme, the utility model has the advantages that:

1. the structure is simple, the dead weight is light, and the inspection and the replacement after an earthquake are convenient;

2. the energy consumption capacity and the application range of the whole energy consumption support can be adjusted by using different inner member materials;

3. the whole energy-consuming support is of an assembled structure, and is easy to install and uninstall;

4. the energy consumption capability is excellent and the manufacturing cost is low;

5. the restraining unit is made of sectional materials, and processing and installation are convenient.

Drawings

FIG. 1 is a perspective view of a schematic structural diagram of the present utility model;

FIG. 2 is a front view of a schematic structural diagram of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an exploded view of a schematic structural view of the present utility model;

fig. 5 is a schematic structural view of a core unit of the core board;

reference numerals illustrate: the device comprises a 1-H-shaped steel outer constraint unit, a 2-core plate core unit, 3-non-binding materials, 4-high-strength bolts, 5-backing plates, 1-1-inner flange plates, 1-2-outer flange plates, 2-1-main tail wing plates, 2-2-auxiliary tail wing plates and 2-3-semicircular bulges.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Examples

The schematic diagrams of the fully assembled buckling restrained energy-dissipation supporting member are shown in fig. 1-5, the fully assembled buckling restrained energy-dissipation supporting member comprises an H-shaped steel outer restraining unit 1, a core plate unit 2, unbonded materials 3, high-strength bolts 4 and a backing plate 5, wherein the H-shaped steel outer restraining unit 1 is symmetrically arranged on the upper side and the lower side of the core plate unit 2, the unbonded materials 3 are arranged between flange plates of the H-shaped steel outer restraining unit 1 and the core plate unit 2, meanwhile, the backing plate 5 is symmetrically arranged between the flange plates and on the left side and the right side of the core plate unit 2, and the high-strength bolts 4 penetrate through the flange plates on the two sides and the backing plate 5 and are screwed and fixed. The thickness of the backing plate 5 is equal to the sum of the thicknesses of the core unit 2 and the unbonded material 3.

Referring to fig. 5, the two ends of the core unit 2 of the core board are reserved with main tail wing plates 2-1, auxiliary tail wing plates 2-2 are symmetrically welded and fixed on the main tail wing plates 2-1, and the main tail wing plates 2-1 and the auxiliary tail wing plates 2-2 form a cross-shaped connecting plate; the flange plate of the H-shaped steel outer constraint unit 1 comprises an outer flange plate 1-2 and an inner flange plate 1-1 close to the core plate core unit 2, two ends of the inner flange plate 1-1 extend out of two web plates of the H-shaped steel outer constraint unit 1, and a yielding groove 1-3 corresponding to the auxiliary tail wing plate 2-2 is formed in the extending end of the inner flange plate 1-1.

Referring to fig. 4, semicircular protrusions 2-3 are symmetrically arranged on two sides of the middle of the core unit 2, and semicircular grooves which are matched with the semicircular protrusions 2-3 are formed on the inner side of the backing plate 5, so that the core unit 2 of the core plate can be further prevented from being shifted in the working process, and the stability of the whole supporting device is improved.

The H-shaped steel is used as the constraint component, the profile is convenient to process, the bending resistance is high, and a good constraint effect can be achieved. The fully assembled buckling restrained energy-consuming brace is adopted, the outer restraining member can be detached after earthquake, the damage condition of the inner core can be conveniently checked, and the use function can be quickly recovered by replacing the damaged inner core at any time. Therefore, the fully assembled buckling restrained energy-dissipation supporting member can be used for damping and dissipating energy of building structures (houses, bridges and the like), and the device can achieve the purpose of damping and dissipating energy through full-section yielding of the inner member. When the buckling-free energy consumption supporting device is installed, the supporting device is only required to be connected to a displacement position of a building structure (houses, bridges and the like) under multiple factors such as earthquake and the like through bolts, and then the installation is completed.

Claims

1. The utility model provides a full assembled buckling restrained energy dissipation brace member, includes H shaped steel external restraint unit (1), core unit (2), unbonded material (3), high strength bolt (4) and backing plate (5), its characterized in that: the high-strength steel core plate is characterized in that H-shaped steel outer constraint units (1) are symmetrically arranged on the upper side and the lower side of the core plate core unit (2), non-adhesive materials (3) are arranged between flange plates of the H-shaped steel outer constraint units (1) and the core plate core unit (2), backing plates (5) are symmetrically arranged between the flange plates and on the left side and the right side of the core plate core unit (2), and high-strength bolts (4) penetrate through the flange plates on the two sides and the backing plates (5) and are screwed and fixed.

2. The fully assembled buckling restrained energy-dissipating support member of claim 1, wherein: the two ends of the core unit (2) of the core plate are reserved with main tail wing plates (2-1), auxiliary tail wing plates (2-2) are symmetrically welded and fixed on the main tail wing plates (2-1), and the main tail wing plates (2-1) and the auxiliary tail wing plates (2-2) form a cross-shaped connecting plate; the flange plate of the H-shaped steel outer constraint unit (1) comprises an outer flange plate (1-2) and an inner flange plate (1-1) close to the core plate core unit (2), two ends of the inner flange plate (1-1) extend out of two web ends of the H-shaped steel outer constraint unit (1), and a yielding groove (1-3) corresponding to the auxiliary tail wing plate (2-2) is formed in the extending end of the inner flange plate (1-1).

3. The fully assembled buckling restrained energy-dissipating support member of claim 1, wherein: semicircular bulges (2-3) are symmetrically arranged on two sides of the middle part of the core unit (2), and semicircular grooves matched with the semicircular bulges (2-3) are formed in the inner side of the base plate (5).

4. The fully assembled buckling restrained energy-dissipating support member of claim 1, wherein: the thickness of the backing plate (5) is equal to the sum of the thicknesses of the core unit (2) and the unbonded material (3).