CN103774768B - Reinforced sleeve concrete bending restraining support - Google Patents
Reinforced sleeve concrete bending restraining support Download PDFInfo
- Publication number
- CN103774768B CN103774768B CN201410015952.0A CN201410015952A CN103774768B CN 103774768 B CN103774768 B CN 103774768B CN 201410015952 A CN201410015952 A CN 201410015952A CN 103774768 B CN103774768 B CN 103774768B
- Authority
- CN
- China
- Prior art keywords
- bracing members
- core component
- binding material
- energy
- restrained brace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 41
- 230000000452 restraining effect Effects 0.000 title abstract 6
- 238000005452 bending Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 37
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 24
- 239000008358 core component Substances 0.000 claims description 44
- 239000000306 component Substances 0.000 claims description 21
- 239000002344 surface layer Substances 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract 9
- 239000000853 adhesive Substances 0.000 abstract 5
- 230000001070 adhesive effect Effects 0.000 abstract 5
- 238000001125 extrusion Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 229910001374 Invar Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- E04H9/0237—Structural braces with damping devices
Abstract
The invention discloses a reinforced sleeve concrete bending restraining support, comprising a core part, an non-adhesive material, a reinforcing part and a restraining part; the restraining part is arranged at the periphery of the core part and is formed by filling concrete or mortar into a sleeve; the non-adhesive material wraps the surface of the core part; the reinforcing part is additionally arranged at the outer surface of the non-adhesive material; the flat side surface or the wing edge outer side surface of the reinforcing part is tightly attached to the surface of the non-adhesive material along the length direction of the core part; the non-adhesive material wrapping the core part and the attached reinforcing part are placed in the restraining part together. According to the bending restraining support member, due to the reinforcing part, the extrusion force from a core plate is borne by the reinforcing part or is jointly borne by the reinforcing part and the concrete or mortar block combination, and the reinforcing part can more uniformly transmit the extrusion force to the concrete or mortar surface layer, with larger area, at the other side of the reinforcing part.
Description
Technical field
The invention belongs to field of civil engineering, relate to reduce buckling-restrained of one kind of engineering structure seismic response
Support.
Background technology
Buckling restrained brace is a kind of new lateral resistant member, is also a kind of using metal yield dissipation seismic energy simultaneously
Energy-dissipating and shock-absorbing component, have common support and metal damper dual-use function concurrently.Little shake effect under, buckling restrained brace each
Individual partly all holdings are elastic, collectively constitute overall Lateral Resistant System with agent structure it is ensured that the sidesway of structure meets requirement.In
Under shake or big shake effect, the partial cross section of buckling restrained brace core board can enter in the wrong under axial tension or pressure effect
Clothes, form core board surrender section, surrender the most of seismic energy of metal yield dissipation of section using core board, thus significant attenuation
The dynamic respons of agent structure, reach the target of protection agent structure.Because it has stable performance, easy to make, with low cost
The advantages of, it is widely used in recent years.
At present, the set pipe concrete buckling restrained brace being widely studied and applied mainly is made up of following three parts: holds
By the core energy dissipation component of axial load, prevent core component from producing sidewise restraint part and the reduction of entirety or local buckling
The no binding material of frictional resistance.Wherein core component mostly is one block of in-line steel plate or the group being formed by polylith in-line steel plate
Close section form, and sidewise restraint part is then to be formed by fill concrete in steel pipe or mortar block, no binding material parcel core
Center portion part avoids and screed directly contact.The buckling restrained brace of this kind of form when axial compressive force acts on, core component meeting
Very big extruding force is produced to the concrete being in contact with it or screed, test shows to cause the local of concrete or screed
Crushing, thus causing core component local buckling excessive, and then has a strong impact on the performance of buckling restrained brace.
Content of the invention
The present invention in order to solve traditional sleeve concrete buckling restrained brace under reciprocating load core component to about
The extruding force of bundle part is all directly undertaken by concrete or mortar, concrete or mortar is crushed and the office that leads to core component
Portion's flexing is excessive and lost efficacy, and then propose and a kind of constrain core component using bracing members and concrete or mortar mix
Put more energy into and cover pipe concrete buckling restrained brace.
The technical solution used in the present invention is: one kind is put more energy into set pipe concrete buckling restrained brace, including core component, no
Binding material, bracing members and constraint component；
Described constraint component is arranged on core component periphery, and constraint component is made up of sleeve pipe fill concrete or mortar；Institute
State the surface that no binding material is wrapped in core component；
Bracing members are had additional on described no binding material outer surface, the plane side of bracing members or edge of a wing lateral surface are along core
The core component outer surface that center portion part length direction has or not binding material with parcel is close to, and the length of bracing members is more than core board
Surrender segment length, no binding material is positioned in constraint component together with bracing members.
Preferably, the casing profile of described constraint component is square, rectangle, polygon or circle.
Preferably, the section of described core component is in-line, cross, t font or I-shaped.
Preferably, described bracing members are flat board, sheet width is in-line core component width or t font and I-shaped
0.5～1 times of shape flange width.
Preferably, described bracing members are channel, channel or both sides or three sides and parcel core component
No binding material surface be close to.
Preferably, described bracing members are l shape part, a limb of l shape part or two limbs are cohered with the nothing of parcel core component
Material surface is close to.
Preferably, described bracing members are rectangular tube, rectangular tube or both sides or three sides and parcel core component
No binding material surface be close to.
Preferably, described bracing members are flap, the no binding material of described flap edge of a wing side and parcel core component
Surface is close to.
Preferably, hole is opened up on described bracing members or in dorsad no binding material side weld stud, to stop
Relative sliding between bracing members and concrete or mortar block.
Supporting member of the present invention sets up bracing members in the no binding material layer surface of parcel core component, then together
It is filled concrete or the sleeve pipe of mortar is constrained, this bracing members generally can be in-line steel plate, channel, l shape part, rectangle
Pipe, flap or a combination thereof form, and form new sleeve pipe buckling restrained brace of putting more energy into.This new buckling-restrained bracing member passes through
Bracing members, the extruding force that core board is transmitted is evenly transferred to greater area of coagulation by bracing members in whole or in part
On soil or mortar chunk facing, the width of the plane side of bracing members or edge of a wing lateral surface is about the core that parcel has or not binding material
0.3～1 times of the corresponding face width of part, the compression that can change concrete or mortar with core component contact surface transmits road
Footpath, thus be prevented effectively from concrete or mortar is crushed and the buckling restrained brace performance that leads to reduces.Additionally, being added by setting up
Strength part, core component is contacted with concrete or mortar surface layer by original steel with the contact surface form of constraint component and changes into
Steel is contacted with the mixing of concrete or mortar surface layer with steel and steel, the coefficient of contact friction of invar and steel be less than steel and concrete or
The coefficient of contact friction of mortar surface layer, so the friction between core component and constraint component can be reduced, thus be effectively improved in the wrong
The performance that bent constraint supports.
The method have the advantages that
1. the present invention sets up bracing members between the core component of traditional buckling restrained brace and constraint component, permissible
The extruding force to constraint component that core component is produced when pressurized some or all of by bracing members Transmit evenly
To on the concrete or mortar chunk facing of larger area, the width of the plane side of bracing members or edge of a wing lateral surface about wraps up no
The core component having binding material corresponds to 0.3～1 times of face width, can change concrete or the local pressure on mortar block surface should
Power bang path, thus avoid the common buckling-restrained bracing member locally being crushed and being caused by concrete or mortar block
Inefficacy, make the performance of buckling restrained brace be able to more sufficiently effective performance.
2. the present invention passes through the bracing members set up between the core component of traditional buckling restrained brace and constraint component,
With the contact surface form of buckling-restrained bracing member core component, change will be contacted with concrete or mortar surface layer by original steel
Contact with the mixing of concrete or mortar surface layer with steel and steel for steel, the frictional force between contact surface can be effectively reduced, be conducive to
Improve the overall performance of buckling restrained brace.
Brief description
Fig. 1 is the embodiment of the present invention 1 supporting core part, no binding material and flute profile bracing members decomposing schematic representation；
Fig. 2 is the embodiment of the present invention 1 supporting core part, no binding material and flute profile bracing members schematic diagram；
Fig. 3 is that the embodiment of the present invention 1 supports schematic diagram；
Fig. 4 is the embodiment of the present invention 1 bracing members is flat board and the profile opening up hole；
Fig. 5 is the profile that the embodiment of the present invention 1 bracing members are flat board and weld stud；
Fig. 6 is the profile that the embodiment of the present invention 1 bracing members are channel；
Fig. 7 is the profile that the embodiment of the present invention 1 bracing members are channel and weld stud；
Fig. 8 is the profile that the embodiment of the present invention 1 bracing members are l shape part (leaning against arrangement)；
Fig. 9 is the profile that the embodiment of the present invention 1 bracing members are l shape part (deviating from arrangement)；
Figure 10 is the profile that the embodiment of the present invention 1 bracing members are rectangular tube；
Figure 11 is the profile that the embodiment of the present invention 2 bracing members are l shape part；
Figure 12 is the profile that the embodiment of the present invention 2 bracing members are rectangular tube；
Figure 13 is the profile that the embodiment of the present invention 2 bracing members are flap；
Figure 14 is the profile that the embodiment of the present invention 2 bracing members are flap and weld stud；
Figure 15 is the profile that the embodiment of the present invention 3 bracing members are l shape part and flat sheet combination；
Figure 16 is the profile that the embodiment of the present invention 3 bracing members are flap and flat sheet combination；
Figure 17 is the profile that the embodiment of the present invention 3 bracing members are flap and flat sheet combination and weld stud；
Figure 18 is the embodiment of the present invention 4 bracing members is channel and the combination of flat board and the profile of weld stud；
Figure 19 is the profile that the embodiment of the present invention 4 bracing members are l shape part；
Figure 20 is the profile that the embodiment of the present invention 4 bracing members are rectangular tube and flat sheet combination；
Figure 21 is the profile that the embodiment of the present invention 4 bracing members are flap and flat sheet combination；
Figure 22 is the embodiment of the present invention 4 bracing members is flap and the combination of l shape part and the profile of weld stud.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1:
As shown in Fig. 1～10: the set pipe concrete buckling restrained brace of putting more energy in the present embodiment is glutinous by core component 1, nothing
Knot material 2, bracing members 3 and constraint component 4 are constituted, and wherein core component 1 is made up of flat board 1-1 and ribbed stiffener 1-2, ribbed stiffener
1-2 is welded in the two ends of flat board 1-1；No binding material 2 is wrapped in the surface of core component 1；Constraint component 4 is by sleeve pipe and coagulation
Soil or mortar block composition；In the present embodiment, bracing members 3 are flat board or channel or l shape part or rectangular tube, and it is simultaneously glutinous with nothing
Knot material 2 surface is close to, and can open up hole 3-1 or weld stud 3-2 thereon, to stop the phase of bracing members 3 and constraint component 4
To sliding.In the present embodiment, core component 1, no binding material 2 and bracing members 3 are positioned in constraint component 4.
Embodiment 2:
As shown in Figure 11～14, the present embodiment is with the difference of embodiment 1: the section of core component 1 is cross
Shape, bracing members 3 are l shape part or rectangular tube or flap.
Embodiment 3:
As seen in figs. 15-17, the present embodiment and the difference of embodiment 1 are: the section of core component 1 is t word
Shape, bracing members 3 are l shape part or the combining form of flap and flat board.
Embodiment 4:
As shown in Figure 18～22, the present embodiment is with the difference of embodiment 1: the section of core component 1 is I-shaped
Shape, bracing members 3 are channel or the combining form of l shape part or flap and flat board or l shape part.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.In the present embodiment not
The all available prior art of clearly each part is realized.
Claims (9)
1. one kind put more energy into set pipe concrete buckling restrained brace it is characterised in that: include core component, no binding material, put more energy into
Part and constraint component；
Described constraint component is arranged on core component periphery, and constraint component is made up of sleeve pipe fill concrete or mortar；Described nothing
Binding material is wrapped in the surface of core component；
Bracing members are had additional on described no binding material outer surface, the plane side of bracing members or edge of a wing lateral surface are along core
The core component outer surface that part length direction has or not binding material with parcel is close to, and no binding material and bracing members are placed jointly
Inside constraint component；
The width of the plane side of bracing members or edge of a wing lateral surface is the core component corresponding surface width that parcel has or not binding material
0.3～1 times of degree.
2. according to claim 1 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described constraint component
Casing profile is rectangle or circle.
3. according to claim 1 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described core component
Section is in-line, cross, t font or I-shaped.
4. according to claim 3 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described bracing members are
Flat board, sheet width is 0.5～1 times of in-line core component width or t font and I-shaped flange width.
5. according to claim 3 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described bracing members are
Channel, channel or both sides or three sides be close to the no binding material surface of parcel core component.
6. according to claim 3 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described bracing members are
L shape part, a limb of l shape part or two limbs are close to the no binding material surface of parcel core component.
7. according to claim 3 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described bracing members are
Rectangular tube, rectangular tube or both sides or three sides be close to the no binding material surface of parcel core component.
8. according to claim 3 put more energy into set pipe concrete buckling restrained brace it is characterised in that: described bracing members are
Flap, described flap edge of a wing side is close to the no binding material surface of parcel core component.
9. according to claim 1 put more energy into set pipe concrete buckling restrained brace it is characterised in that: on described bracing members
Open up hole or in dorsad no binding material side weld stud, to stop the phase between bracing members and concrete or mortar block
To sliding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015952.0A CN103774768B (en) | 2014-01-14 | 2014-01-14 | Reinforced sleeve concrete bending restraining support |
| PCT/CN2014/078599 WO2015106520A1 (en) | 2014-01-14 | 2014-05-28 | Reinforcing casing concrete buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015952.0A CN103774768B (en) | 2014-01-14 | 2014-01-14 | Reinforced sleeve concrete bending restraining support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103774768A CN103774768A (en) | 2014-05-07 |
| CN103774768B true CN103774768B (en) | 2017-01-18 |
Family
ID=50567475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410015952.0A Expired - Fee Related CN103774768B (en) | 2014-01-14 | 2014-01-14 | Reinforced sleeve concrete bending restraining support |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103774768B (en) |
| WO (1) | WO2015106520A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774768B (en) * | 2014-01-14 | 2017-01-18 | 东南大学 | Reinforced sleeve concrete bending restraining support |
| JP6545502B2 (en) * | 2015-03-30 | 2019-07-17 | 大和ハウス工業株式会社 | Buckling restraint brace |
| CN106401253B (en) * | 2016-06-07 | 2018-12-28 | 长安大学 | The diamond-shaped cross-section two-stage surrenders anti-buckling support |
| CN107119812B (en) * | 2017-04-17 | 2023-07-04 | 同济大学 | Fiber concrete metal yielding type damper |
| CN107476462B (en) * | 2017-09-26 | 2024-02-20 | 唐山市规划建筑设计研究院有限公司 | Buckling restrained brace member |
| CN109629896B (en) * | 2018-12-28 | 2023-12-19 | 震安科技股份有限公司 | Combined type double-yield buckling restrained energy-dissipation brace |
| CN109914218B (en) * | 2019-03-12 | 2023-11-14 | 重庆交通大学 | Self-resetting damping arch leg device |
| CN110080410B (en) * | 2019-05-16 | 2023-10-20 | 震安科技股份有限公司 | Assembled welded structure metal yield type damper |
| TWI738511B (en) * | 2020-09-15 | 2021-09-01 | 吳郁宣 | Stress energy dissipation support device |
| TWI755276B (en) * | 2021-02-08 | 2022-02-11 | 陞豐技研有限公司 | The method of applying the buckling beam bracing structure |
| CN115217234B (en) * | 2022-08-08 | 2023-06-27 | 西安交通大学 | Multi-stage energy dissipation support combined by friction damper and buckling restrained brace |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159011A (en) * | 1997-11-25 | 1999-06-15 | Taisei Corp | Brace |
| JP2005220637A (en) * | 2004-02-06 | 2005-08-18 | Univ Kanagawa | Buckling restricting brace using high polymer substance |
| JP2008075281A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace, proof stress frame using buckling restricting brace, and method of manufacturing buckling restricting brace |
| CN201588312U (en) * | 2009-12-21 | 2010-09-22 | 清华大学 | 'Ju'-shaped fastener restricted type fabricated anti-bending power-wasting support |
| KR20120123916A (en) * | 2011-05-02 | 2012-11-12 | 서울시립대학교 산학협력단 | Post reinforcing structure for buckling of braces in the steel moment connection frame |
| CN102817422A (en) * | 2012-08-31 | 2012-12-12 | 清华大学 | Prestressed concrete constraining buckling-restrained brace |
| JP2013124530A (en) * | 2011-12-16 | 2013-06-24 | Fujita Corp | Buckling restraining brace |
| CN203755484U (en) * | 2014-01-14 | 2014-08-06 | 东南大学 | Reinforcing casing concrete buckling restrained brace |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225588B2 (en) * | 2003-07-08 | 2007-06-05 | Nippon Steel Corporation | Damping brace and structure |
| CN2743444Y (en) * | 2004-07-09 | 2005-11-30 | 任招佑 | Assembling type pure axle force curvature band energy dissipation slant strut structure |
| CN101798851B (en) * | 2010-04-26 | 2011-08-31 | 哈尔滨工业大学 | Combined steel pipe-encased concrete type buckling-restrained brace member |
| KR101171876B1 (en) * | 2010-05-11 | 2012-08-07 | 주식회사 에이브이티 | The damper for the earthquake-proof |
| CN103774768B (en) * | 2014-01-14 | 2017-01-18 | 东南大学 | Reinforced sleeve concrete bending restraining support |
-
2014
- 2014-01-14 CN CN201410015952.0A patent/CN103774768B/en not_active Expired - Fee Related
- 2014-05-28 WO PCT/CN2014/078599 patent/WO2015106520A1/en not_active Application Discontinuation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11159011A (en) * | 1997-11-25 | 1999-06-15 | Taisei Corp | Brace |
| JP2005220637A (en) * | 2004-02-06 | 2005-08-18 | Univ Kanagawa | Buckling restricting brace using high polymer substance |
| JP2008075281A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace, proof stress frame using buckling restricting brace, and method of manufacturing buckling restricting brace |
| CN201588312U (en) * | 2009-12-21 | 2010-09-22 | 清华大学 | 'Ju'-shaped fastener restricted type fabricated anti-bending power-wasting support |
| KR20120123916A (en) * | 2011-05-02 | 2012-11-12 | 서울시립대학교 산학협력단 | Post reinforcing structure for buckling of braces in the steel moment connection frame |
| JP2013124530A (en) * | 2011-12-16 | 2013-06-24 | Fujita Corp | Buckling restraining brace |
| CN102817422A (en) * | 2012-08-31 | 2012-12-12 | 清华大学 | Prestressed concrete constraining buckling-restrained brace |
| CN203755484U (en) * | 2014-01-14 | 2014-08-06 | 东南大学 | Reinforcing casing concrete buckling restrained brace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103774768A (en) | 2014-05-07 |
| WO2015106520A1 (en) | 2015-07-23 |
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Granted publication date: 20170118 |