CN107780554A - A kind of buckling-restrained bracing member - Google Patents
A kind of buckling-restrained bracing member Download PDFInfo
- Publication number
- CN107780554A CN107780554A CN201610756415.0A CN201610756415A CN107780554A CN 107780554 A CN107780554 A CN 107780554A CN 201610756415 A CN201610756415 A CN 201610756415A CN 107780554 A CN107780554 A CN 107780554A
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- China
- Prior art keywords
- buckling
- bracing member
- external constraint
- sub
- restrained bracing
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a kind of lightweight buckling-restrained bracing member based on the mode that is locally filled with, and in the case where not increasing buckling restrained brace material and processing cost, significantly reduces the weight of supporting member；In addition, the size of each cavity of external constraint part can be adjusted according to the design needs, design method can be very flexible；Furthermore part more easily can be standardized using rectangular tube etc., improve the parts Standardization degree of buckling-restrained bracing member, processing is more convenient.
Description
Technical field
The invention belongs to fabric structure to support field, and in particular to is used for the flexing supported in architectural structure system about
Beam supporting member.
Background technology
Buckling restrained brace is also known as undonded prestressed concrete, is a kind of novel earthquake-proof dissipative member of superior performance, it passes through gold
The surrender hysteresis of category consumes inputting seismic energy, so as to slow down the damage of agent structure, is that one kind can be in tension and compression
In the case of be attained by the supporting member of surrender, improve the shortcomings that when being pressurized flexing occurs for traditional support, knot can be used as
Structure lateral resistant member obtains more answer in China in recent years with energy dissipation component or as the bearing carrier for bearing static load
With.
In general, buckling-restrained bracing member includes elastic connection section, power consumption section (surrender section), tied mechanism (steel pipe
Concrete tied mechanism, clean steel tied mechanism, armored concrete tied mechanism etc.), the part such as non-cohesive material.
Traditional buckling restrained brace is most or is used as tied mechanism, or the reinforced concrete for passing through full packing by steel
Soil suite cylinder, concrete filled steel tube do purpose as buckling-restrained mechanism is formed so as to reach the flexing bearing capacity of raising support.So
And traditional buckling restrained brace exist from it is great the shortcomings that, this is due to constrain the flexing of core plate, inside fills up concrete
Deng packing material, support longer tonnage bigger, this problem is relatively more prominent.
The problem of buckling restrained brace is too heavy, the limit value application of this technology of buckling restrained brace.In recent years, also have
Some existing improvement buckling restrained braces, it is intended to reduce the weight of buckling restrained brace, this includes clean steel type buckling restrained brace, aluminium
Alloy buckling restrained brace, FRP parcel buckling restrained braces etc..But these improve or while supported weight is reduced but
So that cost greatly improves.
The content of the invention
To solve above-mentioned problems of the prior art, one aspect of the present invention provides a kind of buckling restrained brace structure
Part, it includes：Core part；External constraint part, the external constraint part are located at the outside of the core part, for
Constrain the core part；Two end plates, it is respectively fixedly disposed at the both ends of the external constraint part；And two supports
Endpoint node, it is respectively arranged at the both ends of the core part；The inner end of the supporting base end portion node is located at the outside about
Splice in beam part and with the end of the core part, the outer end of the supporting base end portion node is passed outside the end plate；
The end plate closes the end of the external constraint part with the supporting base end portion node jointly；The external constraint part has
Middle chamber that house the core part and extending longitudinally setting, and respectively positioned at the middle chamber both sides with
The the first side chamber body and the second side chamber body that the middle chamber is abreast set；In the middle chamber, the core part
Around be filled with packing material；The first side chamber body and the second side chamber body have hollow cavity.
Preferably, the cross section of the core part is in " in-line " or " cross ".
Preferably, the outline of the cross section of the external constraint part is square.
Preferably, the external constraint part includes the first rectangular tube with the first side chamber body, with described the
Second rectangular tube of two side chamber bodies and splicing are between first rectangular tube and the second rectangular tube so as to forming the centre
Two pieces of rectangular slabs of cavity.
Preferably, the first side chamber body is divided into two sub- cavitys in the first side, the second side chamber body up and down and divided
It is divided into two sub- cavitys in the second side up and down.
Preferably, the external constraint part includes that about two overlappings are set and with the sub- cavity in the first side
That first sub- rectangular tube, about two overlappings are set and the second sub- rectangular tube with the sub- cavity in the second side and splicing exist
So as to forming the two of the middle chamber pieces of rectangular slabs between the first sub- rectangular tube and the second sub- rectangular tube.
Preferably, the packing material is Concrete Filled material.
Preferably, the material of the core part is steel or aluminium.
Preferably, the supporting base end portion node has cross-like cross-section.
Another aspect of the present invention provides a kind of construction material, and it uses buckling-restrained bracing member described above to be used as it
Internal supporting member.
The invention provides a kind of lightweight buckling-restrained bracing member based on the mode that is locally filled with, do not increasing flexing
In the case of constraining backing material and processing cost, the weight of supporting member is significantly reduced；In addition, external constraint part
The size of each cavity can be adjusted according to the design needs, and design method can be very flexible；Furthermore can be more easily
Part is standardized using rectangular tube etc., improves the parts Standardization degree of buckling-restrained bracing member, processing is more convenient.
Brief description of the drawings
Fig. 1 faces cross-sectional view for the buckling-restrained bracing member according to the embodiment of the present invention 1；
Fig. 2 is the top view cross section structural representation according to the buckling-restrained bracing member of the embodiment of the present invention 1；
Fig. 3 is to be shown according to the longitudinal section of the buckling-restrained bracing member of the embodiment of the present invention 1 (A-A shown in Fig. 1 to) structure
It is intended to；
Fig. 4 is that longitudinal section (B-B direction shown in Fig. 1) structure of the buckling-restrained bracing member according to the embodiment of the present invention 1 is shown
It is intended to；
Fig. 5 is the vertical section structure schematic diagram according to the buckling-restrained bracing member of the embodiment of the present invention 2.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that one of ordinary skill in the art is made according to these embodiments, method or functionally
Conversion is all contained in protection scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the buckling-restrained bracing member of embodiment 1, it includes：Core part 10, external constraint portion
It is divided to 20, two end plates 30 and two supporting base end portion nodes 40.
Wherein, external constraint part 20 is located at the outside of core part 10, for constraint core part 10；Two end plates
30, it is respectively fixedly disposed at the both ends of external constraint part 20.
Two supporting base end portion nodes 40, it is respectively arranged at the both ends of core part 10；As shown in figure 1, supporting base end portion node
40 inner end is located in external constraint part 20 and spliced with the end of core part 10, the outer end of supporting base end portion node 40
Pass outside end plate 30；End plate 30 closes the end of external constraint part 20 with supporting base end portion node 40 jointly.
Referring to Fig. 2 and Fig. 3, external constraint part 20 has centre that is housing core part 10 and extending longitudinally setting
Cavity 23, and it is located at the first side chamber body 21 and second abreast set with middle chamber 23 of the both sides of middle chamber 23 respectively
Side chamber body 22；Packing material is filled with middle chamber 23, around core part 10；First side chamber body 21 and the second side chamber
Body 22 is hollow cavity.
In the present embodiment, as shown in figure 3, the cross section of core part 10 is in " in-line ".One in the application is replaced
For in embodiment, the cross section of core part 10 is in " cross ".
Core part 10 is internal power consumption core, and its material can be steel or aluminium.
In the present embodiment, the packing material in middle chamber 23 is Concrete Filled material.
In the present embodiment, as shown in figure 3, the outline of the cross section of external constraint part 20 is square.Wherein, " side
Shape " includes rectangle and square, preferably rectangle.
In the present embodiment, as shown in figure 3, external constraint part 20 includes the first rectangular tube with the first side chamber body 21
21T, the second rectangular tube 22T with the second side chamber body 22 and splicing are between the first rectangular tube 21T and the second rectangular tube 22T
So as to form the two of middle chamber 23 pieces of rectangular slab 2P；I.e. external constraint part 20 is spelled by two rectangular tubes and two pieces of rectangular slabs
Into the pipe fitting with three cavitys.
In the present embodiment, supporting base end portion node 40 has cross-like cross-section, referring to Fig. 4.
The buckling-restrained bracing member of the present embodiment, it is a kind of lightweight buckling restrained brace based on the mode that is locally filled with
Component, in the case where not increasing buckling restrained brace material and processing cost, significantly reduce the weight of supporting member；Separately
Outside, the size of each cavity of external constraint part can be adjusted according to the design needs, and design method can be very flexible；Again
Person, part more easily can be standardized using rectangular tube etc., improve the parts Standardization journey of buckling-restrained bracing member
Degree, processing are more convenient.
The buckling-restrained bracing member of the present embodiment can apply to supporting member internal as it in kind of construction material.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is：The building mode of first side chamber body and the second side chamber body is different.
Referring to Fig. 5, the vertical section structure schematic diagram of the buckling-restrained bracing member of the embodiment of the present invention 2, it can be seen that the
Side cavity is divided into two sub- cavitys 21 ' in the first side up and down, and the second side chamber body is divided into two sub- chambers in the second side up and down
Body 22 '.The sub- cavity 21 ' in two the first sides and two sub- cavitys 22 ' in the second side are hollow cavity, i.e. the first side chamber body and second
Side chamber body is discontinuous cavity body.
Specifically, in the present embodiment, external constraint part 20 ' includes that about two overlappings are set and has the first side
It is that first sub- rectangular tube (not marked in figure) of sub- cavity 21 ', about two overlappings are set and with the sub- cavity 22 ' in the second side
Second sub- rectangular tube (not marked in figure) and splicing are between the first sub- rectangular tube and the second sub- rectangular tube so as to forming centre
Two pieces of rectangular slab 2P ' of cavity 23 '.I.e. external constraint part 20 ' is combined into five by four rectangular tubes and two pieces of rectangular slabs
The pipe fitting of individual cavity.
Packing material is filled with middle chamber 23 ', around internal core part 10 '.
The other structures of embodiment 2 are identical with embodiment 1, specifically repeat no more.
In the alternate embodiment of the present invention, the first side chamber body and the second side chamber body can also be separated into more
Sub- cavity；Those skilled in the art can make other deformations and adjustment on the basis of embodiment 1 and embodiment 2.
It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity
For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included in the scope of the protection.
Claims (10)
1. a kind of buckling-restrained bracing member, it includes：
Core part；
External constraint part, the external constraint part are located at the outside of the core part, for constraining the core portion
Point；
Two end plates, it is respectively fixedly disposed at the both ends of the external constraint part；And
Two supporting base end portion nodes, it is respectively arranged at the both ends of the core part；
The inner end of the supporting base end portion node is located in the external constraint part and spliced with the end of the core part,
The outer end of the supporting base end portion node is passed outside the end plate；
The end plate closes the end of the external constraint part with the supporting base end portion node jointly；
Characterized in that,
The external constraint part has middle chamber that is housing the core part and extending longitudinally setting, and respectively
Positioned at the first side chamber body abreast set with the middle chamber of the middle chamber both sides and the second side chamber body；
Packing material is filled with the middle chamber, around the core part；
The first side chamber body and the second side chamber body have hollow cavity.
2. buckling-restrained bracing member as claimed in claim 1, it is characterised in that：
The cross section of the core part is in " in-line " or " cross ".
3. buckling-restrained bracing member as claimed in claim 2, it is characterised in that：
The outline of the cross section of the external constraint part is square.
4. buckling-restrained bracing member as claimed in claim 3, it is characterised in that：
The external constraint part includes the first rectangular tube with the first side chamber body, the with the second side chamber body
Two rectangular tubes and splicing are between first rectangular tube and the second rectangular tube so as to forming the two of the middle chamber pieces of squares
Shape plate.
5. buckling-restrained bracing member as claimed in claim 3, it is characterised in that：
The first side chamber body is divided into two sub- cavitys in the first side up and down, and the second side chamber body is divided into two up and down
The sub- cavity in second side.
6. buckling-restrained bracing member as claimed in claim 5, it is characterised in that：
The external constraint part includes about two overlappings are set and the first sub- rectangle with the sub- cavity in the first side
That pipe, about two overlappings are set and the second sub- rectangular tube with the sub- cavity in the second side and splicing are in the described first son
So as to forming the two of the middle chamber pieces of rectangular slabs between rectangular tube and the second sub- rectangular tube.
7. the buckling-restrained bracing member as described in any one in claim 1 to 6, it is characterised in that：
The packing material is Concrete Filled material.
8. the buckling-restrained bracing member as described in any one in claim 1 to 6, it is characterised in that：
The material of the core part is steel or aluminium.
9. the buckling-restrained bracing member as described in any one in claim 1 to 6, it is characterised in that：
The supporting base end portion node has cross-like cross-section.
10. a kind of construction material, it uses buckling-restrained bracing member conduct as in one of claimed in any of claims 1 to 9
Its internal supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756415.0A CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756415.0A CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780554A true CN107780554A (en) | 2018-03-09 |
| CN107780554B CN107780554B (en) | 2020-01-21 |
Family
ID=61440600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756415.0A Active CN107780554B (en) | 2016-08-29 | 2016-08-29 | Buckling restrained brace component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780554B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021250523A1 (en) * | 2020-06-11 | 2021-12-16 | F'c Control Y Diseño De Estructuras Sas | Restrained buckling brace with reinforcement and method for manufacturing same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107780554B (en) | 2020-01-21 |
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