CN213418132U

CN213418132U - Novel two-step buckling-restrained brace

Info

Publication number: CN213418132U
Application number: CN202022212040.6U
Authority: CN
Inventors: 张顺华; 马天恩
Original assignee: Hengshui Jincheng Isolation Equipment Co ltd
Current assignee: Hengshui Jincheng Isolation Equipment Co ltd
Priority date: 2020-10-05
Filing date: 2020-10-05
Publication date: 2021-06-11
Anticipated expiration: 2030-10-05

Abstract

The utility model belongs to the technical field of the building shock attenuation is supported, a novel two-step buckling restrained brace is disclosed. The main technical characteristics are as follows: the novel core plate comprises an inner core plate, wherein a sleeve is arranged on the outer side of the inner core plate, a filling material body is arranged between the inner core plate and the sleeve, a non-adhesive material body is arranged between the filling material body and the inner core plate, the top end of the inner core plate is fixed with a first end plate, a top outer core plate is arranged at the top end of the inner core plate, a long-strip-shaped bolt hole is formed in the top outer core plate, an angle steel matched with the inner core plate is arranged at the top end of the sleeve, the top outer core plate is connected with the angle steel through a bolt in the long-strip-shaped bolt hole, the tail end of the inner core plate and the. This novel two-step buckling restrained brace, through the staged yield of metal, can realize less yield displacement and great two-stage rigidity, can increase yield strength.

Description

Novel two-step buckling-restrained brace

Technical Field

The utility model belongs to the technical field of the building shock attenuation is supported, especially, relate to a novel two-step buckling restrained brace.

Background

The buckling restrained brace is an important structural lateral force resistant component and an energy dissipation component, and is widely applied to the field of buildings in China in recent years. The earthquake input energy is consumed through the yield hysteresis of the metal, so that the damage of the main body structure is relieved. The buckling restrained brace comprises an elastic connecting section, an energy consumption section, a restraining mechanism, a non-adhesive material and the like. Common buckling restrained brace interface forms include a straight section, a cross section, an H-shaped section, a box section and the like, and the cross section forms have reasonable application ranges, such as the bearing capacity of the straight section, the cross section, the H-shaped section and the box section is higher and higher.

The double-stage yielding damping member is a novel damping member developed in recent years, small yielding displacement and large two-stage rigidity can be realized through metal staged yielding, and analysis and research show that the double-stage yielding member can enable the deformation of a building structure under the earthquake to be more uniform. Although the bending shear of the metal material can be used to achieve the staged yield, the prior art does have the problem that the staged yield is achieved by using the bending deformation or the combination of the bending deformation and the axial deformation, but the bending and shearing mechanisms simultaneously bring about the complexity of connection and the low material utilization efficiency, and the material loss is large, for example, the plate needs to be processed into the form of dog bone and the like. Aiming at the problems, a staged yielding support of a buckling constraint mechanism is proposed, two energy dissipation core plates with yielding time are arranged in the buckling constraint support to realize staged yielding, the design fully utilizes the buckling constraint mechanism, but a damper with small-earthquake yielding can be damaged under medium and large earthquakes because the part with small-earthquake yielding is placed in a sleeve, and cannot be replaced once damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel two-order buckling restrained brace that the power consumption damping performance is good, the big shake in adaptation.

In order to solve the technical problem, the utility model adopts the technical scheme that: the novel core plate comprises an inner core plate, wherein a sleeve is arranged on the outer side of the inner core plate, a filling material body is arranged between the inner core plate and the sleeve, a non-adhesive material body is arranged between the filling material body and the inner core plate, the top end of the inner core plate is fixed with a first end plate, a top outer core plate is arranged at the top end of the inner core plate, a long-strip-shaped bolt hole is formed in the top outer core plate, an angle steel matched with the inner core plate is arranged at the top end of the sleeve, the top outer core plate is connected with the angle steel through a bolt in the long-strip-shaped bolt hole, the tail end of the inner core plate and the.

The additional technical characteristics are as follows: the cross section of the sleeve is rectangular or circular.

The utility model provides a novel two-step buckling restrained brace, the outside of inner core board sets up the sleeve pipe, and the top and the first terminal plate of inner core board are fixed mutually, and the top of inner core board is connected with the connecting piece that the sheathed tube top passes through top outer core board and angle steel constitutes, and the tail end of inner core board, sheathed tube tail end are fixed mutually with the second terminal plate respectively. Therefore, the inner core plate is connected with one end of the sleeve, the other end of the sleeve is fixed, when a medium or large earthquake comes, the inner core plate is a first action unit, after the inner core plate finishes action, the top outer core plate and the angle steel transmit force to the sleeve, and the inner core plate and the sleeve form a second action unit together. Therefore, through metal staged yielding, smaller yielding displacement and larger two-stage rigidity can be realized, the yield strength can be increased, and meanwhile, the deformation of the building structure under the earthquake can be more uniform through the double-stage yielding component, so that the stability and the safety of the building structure are ensured. The top outer core plate is provided with a strip bolt hole, and the position between the top outer core plate and the angle steel can be adjusted as required. The filling material body is made of foam material, the inner core plate and the sleeve are made of steel, and the angle steel can also be made of steel plates. The cross-section of the sleeve is rectangular or circular, as desired.

Drawings

Fig. 1 is a schematic structural view of the two-stage buckling restrained brace of the present invention;

FIG. 2 is a schematic view of the top end of the core plate;

FIG. 3 is a view A-A of FIG. 2;

fig. 4 is a view B-B of fig. 2.

Detailed Description

The following will further explain the specific structure of the novel two-step buckling restrained brace provided by the present invention with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a novel two-step buckling restrained brace includes inner core board 1, and inner core board 1's the outside is provided with sleeve pipe 2, is provided with filler material body 3 between inner core board 1 and sleeve pipe 2, and inner core board 1's top is fixed mutually with first end plate 4, and inner core board 1's top is provided with top outer core board 5, and inner core board 1's tail end, sleeve pipe 2's tail end are fixed mutually with second end plate 6 respectively, and inner core board 1's tail end is provided with afterbody outer core board 7.

As shown in fig. 2, a sleeve 2 is arranged on the outer side of an inner core plate 1, a filler 3 is arranged between the inner core plate 1 and the sleeve 2, a non-adhesive material 8 is arranged between the filler 3 and the inner core plate 1, the top end of the inner core plate 1 is fixed to a first end plate 4, a top outer core plate 5 is arranged on the top end of the inner core plate 1, an elongated bolt hole 9 is formed in the top outer core plate 5, an angle steel 10 matched with the inner core plate 1 is arranged on the top end of the sleeve 2, and the top outer core plate 5 is connected with the angle steel 10 through a bolt 11 at the elongated bolt hole 9.

As shown in fig. 3, a sleeve 2 is arranged on the outer side of the core plate 1, the sleeve 2 is provided with an angle iron 10, and the angle iron 10 is matched with the core plate 1.

As shown in fig. 4, a sleeve 2 is arranged on the outer side of the inner core plate 1, the sleeve 2 is provided with an angle iron 10, the angle iron 10 is matched with the inner core plate 1, the inner core plate 1 is provided with a top outer core plate 5, and the top outer core plate 5 is connected with the angle iron 10 through a bolt 11.

The utility model provides a novel two-step buckling restrained brace, the outside of inner core plate 1 sets up sleeve pipe 2, and the top and the first end plate 4 of inner core plate 1 are fixed mutually, and the top of inner core plate 1 is connected with the connecting piece that angle steel 10 constitutes through top outer core plate 5 with sleeve pipe 2's top, and the tail end of inner core plate 1, sleeve pipe 2's tail end are fixed mutually with second end plate 6 respectively. Therefore, the inner core plate 1 is connected with one end of the sleeve 2, the other end of the inner core plate is fixed, when a medium or large earthquake comes, the inner core plate 1 is a first action unit, the action of the inner core plate 1 is finished, the top outer core plate 5 and the angle steel 10 transmit force to the sleeve 2, and the inner core plate 1 and the sleeve 2 form a second action unit together. Therefore, through metal staged yielding, smaller yielding displacement and larger two-stage rigidity can be realized, the yield strength can be increased, and meanwhile, the deformation of the building structure under the earthquake can be more uniform through the double-stage yielding component, so that the stability and the safety of the building structure are ensured. The top outer core plate 5 is provided with a strip bolt hole 9, and the position between the top outer core plate 8 and the angle steel 10 can be adjusted according to requirements. The filler material body 3 is made of foam material, the inner core plate 1 and the sleeve 2 are made of steel, and the angle steel 10 can also be made of steel plates. The cross-section of the sleeve 2 is rectangular or circular, as required.

The present invention provides a novel two-step buckling restrained brace, which is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many changes without departing from the scope of the present invention, which is encompassed by the present invention.

Claims

1. Novel two-stage buckling restrained brace, including the inner core board, its characterized in that: the outer side of the inner core plate is provided with a sleeve, a filling material body is arranged between the inner core plate and the sleeve, a non-adhesive material body is arranged between the filling material body and the inner core plate, the top end of the inner core plate is fixed with the first end plate, the top end of the inner core plate is provided with a top outer core plate, the top outer core plate is provided with a strip-shaped bolt hole, the top end of the sleeve is provided with an angle steel matched with the inner core plate, the top outer core plate is connected with the angle steel through a bolt in the strip-shaped bolt hole, the tail end of the inner core plate and the tail end of the sleeve are respectively fixed with the second.

2. The novel two-step buckling restrained brace as recited in claim 1, wherein: the cross section of the sleeve is rectangular or circular.