CN214697169U

CN214697169U - Assembled buckling-restrained energy-dissipation brace

Info

Publication number: CN214697169U
Application number: CN202120693678.8U
Authority: CN
Inventors: 董银峰; 田慧; 韦乐君; 张曼
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-12
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a but assembled buckling restrained brace, include: an inner support structure and a restraint assembly; the inner support structure comprises a support inner core, a filling component and an adhesive-free layer; the restraint assembly includes an outer restraint layer and a fastening member; the outside constrained layer parcel is in support the outside of inner core, the packing element sets up outside constrained layer with support between the inner core, no adhesive linkage sets up support the inner core with between the packing element, fastening element is equipped with a plurality ofly, and is a plurality of fastening element can dismantle to be fixed the outside on outside constrained layer can directly set up packing element and not have the adhesive linkage in the outside that supports the inner core to wrap up it in the inboard through outside constrained layer, bang mortar, concrete through packing element, can realize on-the-spot assembly and disassemble, and the installation is more convenient, need not to use large machine to accomplish the installation, is favorable to promoting the efficiency of construction.

Description

Assembled buckling-restrained energy-dissipation brace

Technical Field

The utility model relates to a building earthquake-resistant structure field, more specifically the utility model relates to a buckling restrained brace that consumes energy that says so.

Background

The geological structure is complex in China, the earthquake fracture zone is quite developed, the earthquake activity range is wide, the strength is high, the frequency is high, and the improvement of the earthquake resistance of the building structure is the most fundamental and effective measure for disaster prevention and reduction. In the field of civil engineering, energy dissipation and shock absorption technologies have been widely used in engineering structures, wherein buckling restrained energy dissipation bracing is one of the most common energy dissipation devices. The support can achieve full yielding under the action of tension and compression, and has stable and full hysteresis curve and good hysteresis energy consumption performance.

At present, the buckling restrained brace produced at home and abroad basically takes mild steel as a main stressed component. Because the low yield point steel as the core energy-consuming material of the BRB can obtain a stable and full hysteresis curve and better low-cycle fatigue performance, the low yield point steel becomes the mainstream material for manufacturing the BRB member at present, but has the following defects:

1) although the strength of mild steel is high, the mild steel has the defects of weak deformability and large mass, and does not have the resetting capability;

2) mortar or concrete is poured between the steel sleeve and the core material, so that the buckling-restrained energy-dissipation brace steel sleeve and the core material can only be cast in place and cannot be disassembled and assembled at any time;

3) most of the prior buckling-restrained brace external restraint members mostly adopt steel sleeves, the core material adopts low-yield steel, mortar or concrete is poured between the steel sleeves and the core material, so that the whole buckling-restrained brace is heavy, is easy to bend due to dead weight in the using process, and is not convenient to transport and carry.

Therefore, how to provide a light-weight and resetting assembled buckling-restrained energy-consuming brace is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a mountable buckling restrained energy dissipation brace, which at least solves one of the above technical problems in the prior art to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an assemblable buckling restrained brace comprising: an inner support structure and a restraint assembly;

the inner support structure comprises a support inner core, a filling component and an adhesive-free layer;

the restraint assembly includes an outer restraint layer and a fastening member;

the outer constraint layer is wrapped outside the supporting inner core, the filling component is arranged between the outer constraint layer and the supporting inner core, the non-bonding layer is arranged between the supporting inner core and the filling component, the number of the fastening components is multiple, and the fastening components are detachably fixed on the outer side of the outer constraint layer.

According to the technical scheme, compare with prior art, the utility model provides a but assembled buckling restrained brace can directly set up packing element and not have the adhesive layer in the outside that supports the inner core to through outside constrained layer with its parcel in the inboard, through packing element banning mortar, concrete, can realize on-the-spot assembly and disassemble, it is more convenient to install, need not to use large-scale machinery can accomplish the installation, is favorable to promoting the efficiency of construction.

Preferably, in the assembled buckling restrained energy dissipation brace, the brace inner core comprises a buckling restrained core material and a reset core material, and the reset core material is arranged on the outer side of the buckling restrained core material; in this scheme, can make the buckling restrained core material possess certain reset function through setting up the core that resets, promote.

Preferably, in the assembled buckling-restrained energy-dissipation brace, the buckling-restrained core material is made of steel, and the reset core material is made of magnesium alloy. The strength is almost the same as that of steel, but the modulus of elasticity and density are only about 20% of that of steel. In the earlier researches, feasibility researches of applying magnesium alloy to the buckling restrained brace are carried out, magnesium alloy materials are applied to the ordinary pure steel buckling restrained brace, the bearing capacity meets requirements, residual deformation is small, the brace has certain resetting capacity, the damping capacity of the brace is enhanced, and the response of a main structure body under an earthquake is further reduced.

Preferably, in the assembled buckling-restrained energy dissipation brace, the buckling-restrained core material is cylindrical, the cross section of the buckling-restrained core material is cross-shaped, the plurality of reset core materials are both plate-shaped structures with L-shaped cross sections, and two side plates of the plurality of reset core materials are fixed on corresponding side walls of the buckling-restrained core material.

Preferably, in the assembled buckling restrained energy dissipation brace, the two ends of the buckling restrained core material are provided with the unconstrained and unyielding connecting ends, and the unconstrained and unyielding connecting ends are used for connecting the building wall, the damping device and the like.

Preferably, in the assembled buckling restrained brace described above, the filling members are square columns and are provided with a plurality of blocks, and the plurality of filling members are respectively abutted against the side walls of the corresponding reset core materials and are fixed by the external constraining layers and the fastening members.

Preferably, in the assembled buckling-restrained brace, the filling parts are made of wood, so that the whole brace device is lighter, and is convenient to assemble and disassemble at any time, the flexibility is greatly improved, the product weight is greatly reduced, and the brace is easy to transport.

Preferably, in the assembled buckling restrained brace, the outer constraint layer is made of carbon fiber cloth.

Preferably, in the assembled buckling restrained brace, the fastening member is a square buckle, one side wall of the square buckle is provided with an opening, two sides of the opening extend outwards to form opposite connecting side plates, the fastening member is sleeved on the outer side of the external constraint layer, and the two connecting side plates are fixed through bolts.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1-2 are schematic structural views of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, an assembled buckling restrained brace according to the present invention comprises:

an inner support structure 1 and a restraint assembly 2;

the inner support structure 1 comprises a support core 10, a filling member 11 and a non-adhesive layer 12;

the restraint assembly 2 includes an outer restraint layer 20 and a fastening member 21;

the external restraint layer 20 is wrapped outside the support core 10, the filling member 11 is arranged between the external restraint layer 20 and the support core 10, the non-adhesive layer 12 is arranged between the support core 10 and the filling member 11, a plurality of fastening members 21 are arranged, and the plurality of fastening members 21 are detachably fixed on the outer side of the external restraint layer 20.

In order to further optimize the above technical solution, the support core 10 includes a buckling-restrained core 100 and a reset core 101, and the reset core 101 is disposed outside the buckling-restrained core 100.

Specifically, the buckling-restrained core material 100 is made of steel, and the reset core material 101 is made of magnesium alloy.

Specifically, the buckling-restrained core material 100 is a column, the cross section of the buckling-restrained core material is a cross shape, the plurality of reset core materials 101 are arranged and are all plate-shaped structures with L-shaped cross sections, and two side plates of the plurality of reset core materials are fixed on corresponding side walls of the buckling-restrained core material 100.

In order to further optimize the technical scheme, two ends of the buckling-restrained core material 100 are provided with unconstrained connecting ends 102 for connecting the building wall and the damping device.

In order to further optimize the above technical means, the filling members 11 are provided in a plurality of pieces in a square column, and the plurality of filling members 11 are respectively abutted against the side walls of the corresponding restoring core material 101 and fixed by the outer constraining layer 20 and the fastening member 21.

Specifically, the material of the filling member 11 is wood.

Specifically, the material of the non-adhesive layer 12 is a rubber layer.

In order to further optimize the above technical solution, the material of the external constraining layer 20 is carbon fiber cloth.

In order to further optimize the above technical solution, the fastening component 21 is a square buckle, one side wall of the square buckle is open, two sides of the opening extend outward to form opposite connecting side plates, the fastening component 21 is sleeved outside the external constraint layer 20, and the two connecting side plates are fixed by bolts.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An assemblable buckling restrained brace, comprising: an inner support structure (1) and a restraint assembly (2);

the inner support structure (1) comprises a support inner core (10), a filling component (11) and a non-adhesive layer (12);

the restraining assembly (2) comprising an outer restraining layer (20) and a fastening member (21);

the external restraint layer (20) is wrapped outside the supporting inner core (10), the filling component (11) is arranged between the external restraint layer (20) and the supporting inner core (10), the non-adhesive layer (12) is arranged between the supporting inner core (10) and the filling component (11), a plurality of fastening components (21) are arranged, and the plurality of fastening components (21) are detachably fixed on the outer side of the external restraint layer (20).

2. An assemblable buckling restrained brace as claimed in claim 1, wherein the inner bracing core (10) comprises a buckling restrained core (100) and a return core (101), the return core (101) being disposed outside the buckling restrained core (100).

3. The mountable buckling restrained brace as claimed in claim 2, wherein the buckling restrained core material (100) is steel and the return core material (101) is magnesium alloy.

4. The assembled buckling restrained brace as claimed in claim 3, wherein the buckling restrained core material (100) is cylindrical and cross-shaped in cross section, the plurality of the reset core materials (101) are provided and are each of a plate-shaped structure with an L-shaped cross section, and two side plates of the plurality of the reset core materials (101) are fixed on corresponding side walls of the buckling restrained core material (100).

5. An assemblable buckling restrained brace as claimed in claim 4, wherein the buckling restrained core (100) is provided with unconstrained unyielding ends (102) at both ends.

6. An assembled buckling restrained brace as claimed in claim 5, wherein the filler members (11) are square columns and provided with a plurality of pieces, and the plurality of filler members (11) are respectively abutted with the corresponding side walls of the resetting core material (101) and fixed through the external constraining layer (20) and the fastening members (21).

7. An assembled buckling restrained brace as claimed in claim 6, wherein the filler member (11) is of wood.

8. The assembled buckling restrained brace according to claim 7, wherein the material of the non-adhesive layer (12) is a rubber layer.

9. An assembled buckling restrained brace as claimed in claim 8, wherein the material of the outer restraining layer (20) is carbon fibre cloth.

10. An assembled buckling restrained brace as claimed in claim 9, wherein said fastening member (21) is a square buckle, one side wall of which is open, two sides of said opening extend outward to form opposite connecting side plates, said fastening member (21) is sleeved on the outer side of said external constraining layer (20), and two of said connecting side plates are fixed by bolts.