CN106013921A - Buckling-restrained support component - Google Patents
Buckling-restrained support component Download PDFInfo
- Publication number
- CN106013921A CN106013921A CN201610550042.1A CN201610550042A CN106013921A CN 106013921 A CN106013921 A CN 106013921A CN 201610550042 A CN201610550042 A CN 201610550042A CN 106013921 A CN106013921 A CN 106013921A
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- CN
- China
- Prior art keywords
- buckling
- section
- sleeve parts
- core
- restraining sleeve
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a buckling-restrained support component. The buckling-restrained support component comprises a core stressed part and a sleeve restraining part, wherein the sleeve restraining part sheathes the core stressed part, the core stress part at least comprises a yield section and connection sections respectively arranged at the two sides of the yield section, a stiffening rid is arranged on each connection section of the core stressed part, one end of the core stressed part and the sleeve restraining part are welded into a whole, and a pin shaft connecting device which is matched and connected with a pin shaft is arranged at a connecting end of the sleeve restraining part and the core stressed part. The buckling-restrained support component has the advantages that one end is connected by virtue of a bolt or welded, and the other end is connected by virtue of the pin shaft, thereby guaranteeing that a supporting stress mode is axial stress mainly, the bending moment of a node connection region is reduced, the stability of a node region is guaranteed, and the manufacturing cost is greatly reduced while the strength is improved; and an adjustment space between the pin shaft connecting device and a sleeve can be used for eliminating an error caused by structural construction, and the mounting accuracy of the support component is guaranteed.
Description
Technical field
The present invention relates to building field, be specifically related to a kind of buckling-restrained bracing member for shock-damping energy-dissipating.
Background technology
Buckling restrained brace, also known as undonded prestressed concrete, is the novel earthquake-proof dissipative member of a kind of superior performance, one
Plant the energy-consumption supporting member being attained by surrender in the case of tension and pressurized, improve traditional support at pressurized
The shortcoming of Shi Fasheng flexing, improves the anti-seismic performance of structure.
Buckling restrained brace (be called for short BRB) starts development as far back as 70 to the nineties of 20th century in Japan
And the most full-fledged, promoted and commonly used in Japan, the U.S. and China Taiwan later.1971
Year, Yoshino etc. has carried out hysteretic test research to built-in steel plate shear force wall, and steel plate is X-shaped arranged crosswise
Cross bar, test specimen divides two groups.Under identical loading level, between steel plate and concrete, stay 15mm
One group of gap shows more preferable ductility than gapless one group, has fuller hysteresis loop.1973
Year, Wakabayashi etc. has carried out one to the steel plate support being clipped between the precast rc slab of two sides and has been
The experimental study of row, the most unidirectional load test examines rigidity and the requirement of strength of concrete slab, extracts examination
Testing the performance comparing different non-cohesive materials, assembly test has then investigated the hysteretic energy of structure
Energy.Fujimoto in 1988 etc. to constraint element be in rectangular steel pipe the BRB of back-up sand slurry carried out theoretical and
Experimental study, keep kernel unit sectional dimension constant under conditions of by change constraint element external diameter and
Wall thickness simulates different constraints, investigates the stress performance supported, and has obtained the rigidity of steel thimble with strong
Degree design criteria.Start a large amount of universal after entering the nineties in Japan, particularly after Kobe earthquake, Japan
A large amount of new constructions and reinforcing engineering in use buckling restrained brace.
The U.S. after experienced by 1994 Nian Bei ridge earthquakes, eighties of last century buckling-restrained energy-dissipation at the end of the nineties and
The research of its structural system and apply and start to be paid attention in the U.S..
After 2000, many scholars expand research to the fatigue behaviour of BRB and the anti-seismic performance of BRB.2002
Year, Yamaguchi etc. has carried out full size cun to the steel frame arranging common support and buckling-restrained energy-dissipation
Shaketalle test contrasts, and investigates and supports and the common effect of framework.
China inland is later to the research ratio of buckling restrained brace, begins one's study, mainly edge after 2000
By the U.S. and the structural form of Japan.There are Tsing-Hua University, Tongji University, Xi'an division of construction in main research institution
Skill university etc..
Buckling restrained brace tensile and compressive property is suitable, and hysteresis loop is full stable, its not only can as structural elements,
Also being the antivibrator of a kind of function admirable after surrender, can dissipate inputting seismic energy in a large number, and by the damage of structure
Wound concentrates on buckling restrained brace self, protects agent structure, reduces seismic structural response.State at present
Inside and outside buckling restrained brace structural form can be generally divided into two classes: (1) clean steel type buckling restrained brace；
(2) buckling restrained brace with concrete filled steel tube as constraint element.Existing technology is commonly used in newly-built structure
In more, the greatest difficulty in application process is the regulating error in installation process, often as product
Length and site dimension do not mate substantial amounts of rectifying and improving when causing installation.
Summary of the invention
The present invention is to solve the problems referred to above, thus a kind of buckling-restrained bracing member is provided.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of buckling-restrained bracing member, described buckling-restrained bracing member includes core stressed member and sleeve
Constraint component, described restraining sleeve parts are set on core stressed member, and described core stressed member is at least
Including surrendering section and being separately positioned on the linkage section of surrender section both sides, described core stressed member is cross section
In " one " font or the steel stressed member of " ten " font, described core stressed member linkage section is provided with
Ribbed stiffener, one end of described core stressed member is welded as a whole with restraining sleeve parts, described restraining sleeve
Parts are connected end with core stressed member and are provided with the pin shaft connecting apparatus being connected with bearing pin.
In a preferred embodiment of the invention, described pin shaft connecting apparatus includes that a cross section is for circular or side
The housing of shape, is provided with circle or square groove in housing, described restraining sleeve parts one end can assign into circle or
In square groove, described housing bottom is provided with two parallel connecting plates, the two connecting plate and housing bottom
Forming a gusset plate slot, each connecting plate is provided with a corresponding pin shaft hole.
In a preferred embodiment of the invention, described restraining sleeve section is circular, described sleeve
Constraint component one end is provided with screw thread, is provided with the connection screw thread with screw thread corresponding matching, sleeve in described housing
Constraint component is connected with pin shaft connecting apparatus by screw thread.
In a preferred embodiment of the invention, described restraining sleeve parts one end is fixed by welding in shell
In internal circle or square groove.
In a preferred embodiment of the invention, bottom restraining sleeve parts one end and circular or square groove it
Between formed one regulation space.
In a preferred embodiment of the invention, the cross section of described linkage section is " ┼ " font or " work "
Font orShape.
In a preferred embodiment of the invention, the cross section of described surrender section is " one " word or " ten " shape.
In a preferred embodiment of the invention, described core stressed member use model be Q345 or
The material of Q235 or Q195 or LY225 or LY160 or LY100 intensity rank is made, described core stress
The isolated material that a layer thickness is 2mm it is provided with in member outer surface.
In a preferred embodiment of the invention, described restraining sleeve parts are not provided with pin shaft connecting apparatus
Port be provided with end shrouding.
In a preferred embodiment of the invention, the end of described ribbed stiffener is provided with corner cut, in described corner cut
It is provided with the compressibility material that compression space is provided for core stressed member.
The invention has the beneficial effects as follows:
Bolt or welding are passed through in one end of the present invention, and the other end uses bearing pin to connect, it is ensured that being subject to of support
Power mode, based on axially loaded, reduces node point connection zone moment of flexure, it is ensured that the stability of node region, and
And greatly reduce manufacturing cost and improve intensity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is that sectional view is divided in the 1-1 direction of Fig. 1 when being circle in the cross section of restraining sleeve parts；
Fig. 4 is that sectional view is divided in the 1-1 direction of Fig. 1 when being rectangle in the cross section of restraining sleeve parts；
Fig. 5 is that sectional view is divided in the 2-2 direction of Fig. 1 when being circle in the cross section of restraining sleeve parts；
Fig. 6 is that sectional view is divided in the 2-2 direction of Fig. 1 when being rectangle in the cross section of restraining sleeve parts；
Fig. 7 is that sectional view is divided in the 3-3 direction of Fig. 1 when being circle in the cross section of restraining sleeve parts；
Fig. 8 is that sectional view is divided in the 3-3 direction of Fig. 1 when being rectangle in the cross section of restraining sleeve parts；
Fig. 9 is the structural representation of pin shaft connecting apparatus.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect,
Below in conjunction with being specifically illustrating, the present invention is expanded on further.
Seeing Fig. 1 and Fig. 2, the buckling-restrained bracing member that the present invention provides, it includes core stressed member
100 and restraining sleeve parts 200, restraining sleeve parts 200 are set on core stressed member 100.
Restraining sleeve parts 200 are internal is provided with high-strength mortar, and core stressed member 100 is provided with isolated material
And compressible material.
Core stressed member 100, its cross section is specially circular or rectangle, and it specifically uses model to be Q345
Or the material of Q235 or Q195 or LY225 or LY160 or LY100 intensity rank makes, it at least includes
Surrender section 110 and be separately positioned on the linkage section 120 of surrender section both sides.
Core stressed member 100 outer surface is provided with the isolated material that a layer thickness is 2mm, this isolation
Material, for being separated with restraining sleeve parts 200 by core stressed member 100, prevents core stressed member
100 are bonded as one with the slurry in restraining sleeve parts 200.
The linkage section 120 at surrender section 110 two ends is respectively equipped with ribbed stiffener 300, ribbed stiffener 300 strong
Degree is more than the intensity of linkage section 120, and ribbed stiffener 300 is for further enhancing the strong of core stressed member 100
Degree.
For ribbed stiffener 300 number specifically can according to the actual requirements depending on, when arranging a ribbed stiffener 300
Time, the cross section of linkage section is " ┼ " font, and when arranging two ribbed stiffeners 300, the cross section of linkage section is
I-shaped, when arranging four ribbed stiffeners 300, the cross section of linkage section isShape.
Being provided with corner cut 310 in ribbed stiffener 300 end, corner cut 310 is provided with and carries for core stressed member 100
Compressibility material 311 for compression space.
Seeing Fig. 3 and Fig. 4, the application specifically arranges a ribbed stiffener 300 on linkage section.
See Fig. 5 and Fig. 6, owing to ribbed stiffener 300 need not be arranged on surrender section 110, surrender section 110
Cross section is " one " font, so can save material, the most not affect the intensity of core stressed member 100.
It addition, for fixing by grouting between core stressed member 100 and restraining sleeve parts 200, this
Sample substantially increases manufacturing cost.
The application also provides for a preferred version, when the cross section of core stressed member 100 is rectangle, at set
Being provided with reinforcement supporting member in cylinder constraint component 200, reinforcement supporting member specifically prolongs along restraining sleeve parts 200
Stretch direction to arrange, and in restraining sleeve parts 200, form the I-shaped corresponding to core stressed member
Resettlement groove；
Reinforcement supporting member, its cross section is the steel construction of " C " shape, and its number being specially is specially 2,
It is symmetricly set in restraining sleeve parts 200, between two restraining sleeve parts 200, forms core forced section
The I-shaped resettlement groove of part, core stressed member 100 is located just between the reinforcement supporting member of both sides,
Core stressed member 100 can be fixed by reinforcement supporting member.
Owing to using reinforcement supporting member that core stressed member 100 is fixed in restraining sleeve parts 200,
So, avoid the need for grouting between restraining sleeve parts 200 and core stressed member 100, thus significantly subtract
Light bend and stretch the weight of restrained bracing member and eliminate a lot of maintenance operation.
Furthermore, in order to improve core stressed member 100 and the intensity of restraining sleeve parts 200 further, can
Being provided with notch on restraining sleeve parts 200 with linkage section 120 section of being connected, ribbed stiffener 300 can be corresponding
Assign in notch, use grafting between such restraining sleeve parts 200 and core stressed member 100, make
Obtain whole component to be all made up of Steel material, substantially increase core stressed member 100 and restraining sleeve portion
The intensity of part 200.
It addition, for the ease of grafting between restraining sleeve parts 200 and core stressed member 100, strengthening
Also being provided with the inserting notch corresponding with ribbed stiffener 300 on support member, such ribbed stiffener 300 can sequentially pass through
Inserting notch on the notch of restraining sleeve parts 200 and reinforcement supporting member, thus realize grafting.
See Fig. 1, several screws 140, core forced section can be set in core stressed member 100 one end
Part 100 is connected by screw 140 and miscellaneous part are fixing.
Restraining sleeve parts 200, its cross section is specially circular or rectangle, is provided with bearing pin even at its other end
Connection device 400.
Further, one end and the core stressed member of pin shaft connecting apparatus 400 are set at restraining sleeve parts 200
100 are welded as a whole.
Seeing Fig. 1, Fig. 7, Fig. 8 and Fig. 9, pin shaft connecting apparatus 400, it is easy for restraining sleeve parts
Removably connecting between 200 and bearing pin, consequently facilitating install and maintenance.
Pin shaft connecting apparatus 400, it includes that a cross section is circular or square housing 410, restraining sleeve portion
Part 200 one end can be assigned in the circle or square groove 411 of housing 410.
It addition, in order to reduce the error caused due to construction precision, it is to avoid the situation that the installation of support is not gone up,
Do not contact bottom the circle of restraining sleeve parts 200 end and housing 410 or square groove 411, circular or side
The degree of depth of shape groove 411 can be more than the length of restraining sleeve parts 200 installation end, and restraining sleeve parts 200 are pacified
After injecting in circle or square groove 411, with restraining sleeve parts 200 end bottom circle or square groove 411
Between form an adjustable space 420.
When restraining sleeve parts 200 cross section is circular, it is circular trough in housing 410, can be by sleeve
Constraint component 200 outer surface arranges connection screw thread, is provided with matching thread in circular trough, due to circular trough with
An adjustable space 420, restraining sleeve parts 200 are formed between bottom and restraining sleeve parts 200 end
Freely can be stretched in circular trough by threaded engagement.
When restraining sleeve parts 200 cross section is square, it is square groove in housing 410, restraining sleeve parts
200 are fixed in square groove by the way of welding.
For the welding manner of restraining sleeve parts 200 with housing 410, can be first by pin shaft connecting apparatus 400
It is connected with bearing pin after fixing, then restraining sleeve parts 200 are welded and fixed with housing 410, it is possible to first will set
After cylinder constraint component 200 is fixed as one with housing 410, then pin shaft connecting apparatus 400 is connected with bearing pin
Fixing.
Two parallel connecting plates 420, the two connecting plate 420 and housing it is provided with in housing 410 bottom
410 bottoms form a gusset plate slot 421, and gusset plate slot 421 is used for supporting connection gusset plate and inserts.
It addition, be provided with a corresponding pin shaft hole 430 on each connecting plate 420, pin shaft hole 430 is easy to
Bearing pin passes.
Specifically can use between restraining sleeve parts 200 and pin shaft connecting apparatus 400 and be welded and fixed or pass through
Screw thread is flexibly connected.
When between restraining sleeve parts 200 and pin shaft connecting apparatus 400, employing is welded and fixed, only need to will overlap
Cylinder constraint component 200 end is assigned in circle or square groove 411, then carries out welding.
When using screw thread to be flexibly connected between restraining sleeve parts 200 with pin shaft connecting apparatus 400, at set
Cylinder constraint component 200 end is provided with screw thread, is provided with and screw thread in the circle or square groove 411 of housing 410
The connection screw thread of corresponding matching, restraining sleeve parts 200 are movable even by screw thread and pin shaft connecting apparatus 400
Connect, be the most both easily installed, be easy to remove and repair again.
It addition, see Fig. 1, restraining sleeve parts 200 are not provided with the port of pin shaft connecting apparatus 400
On be additionally provided with end shrouding 500, end shrouding 500 is used for ensureing restraining sleeve parts 200 and core stress
The bulk strength of restrained bracing member is bent and stretched in sealing between parts 100 and raising.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and description
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This
The claimed scope of invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a buckling-restrained bracing member, described buckling-restrained bracing member includes core stressed member and set
Cylinder constraint component, described restraining sleeve parts are set on core stressed member, and described core stressed member is extremely
Include less surrendering section and being separately positioned on the linkage section of surrender section both sides, it is characterised in that described core is subject to
Power parts are that cross section is in " one " font or the steel stressed member of " ten " font, described core stressed member
Being provided with ribbed stiffener on linkage section, one end of described core stressed member and restraining sleeve parts are welded as one
Body, described restraining sleeve parts are connected end and are provided with the bearing pin being connected with bearing pin even with core stressed member
Connection device.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described pin
Shaft connector includes that a cross section is circular or square housing, is provided with circle or square groove in housing, described
Restraining sleeve parts one end can be assigned in circle or square groove, described housing bottom be provided with two parallel
Connecting plate, the two connecting plate and housing bottom form a gusset plate slot, and each connecting plate is provided with a phase
Corresponding pin shaft hole.
A kind of buckling-restrained bracing member the most according to claim 2, it is characterised in that described set
Cylinder constraint component cross section is circular, and described restraining sleeve parts one end is provided with screw thread, is provided with in described housing
With the connection screw thread of screw thread corresponding matching, restraining sleeve parts are connected with pin shaft connecting apparatus by screw thread.
A kind of buckling-restrained bracing member the most according to claim 2, it is characterised in that described set
In the cylinder circle that is fixed by welding in housing of constraint component one end or square groove.
A kind of buckling-restrained bracing member the most according to claim 2, it is characterised in that sleeve is about
A regulation space is formed between restrainting bottom parts one end and circle or square groove.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described company
The cross section of the section of connecing be " ┼ " font or I-shaped orShape.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described in the wrong
The cross section of the section of clothes is " one " word or " ten " shape.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described core
Heart stressed member uses model to be Q345 or Q235 or Q195 or LY225 or LY160 or LY100 intensity
The material of rank is made, and described core stressed member outer surface is provided with the isolation material that a layer thickness is 2mm
Material.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described set
The port being not provided with pin shaft connecting apparatus in cylinder constraint component is provided with end shrouding.
A kind of buckling-restrained bracing member the most according to claim 1, it is characterised in that described in add
The end of strength rib is provided with corner cut, described corner cut be provided with into core stressed member provide compression space can
Compressible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550042.1A CN106013921A (en) | 2016-07-13 | 2016-07-13 | Buckling-restrained support component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550042.1A CN106013921A (en) | 2016-07-13 | 2016-07-13 | Buckling-restrained support component |
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| Publication Number | Publication Date |
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| CN106013921A true CN106013921A (en) | 2016-10-12 |
Family
ID=57117921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610550042.1A Pending CN106013921A (en) | 2016-07-13 | 2016-07-13 | Buckling-restrained support component |
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| CN (1) | CN106013921A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514068A (en) * | 2017-08-29 | 2017-12-26 | 同济大学 | Double ranks surrender energy dissipating bracing members |
| CN110761429A (en) * | 2019-10-18 | 2020-02-07 | 中铁八局集团第六工程有限公司 | Method for installing and constructing BRB buckling restrained brace in building engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20161012 |