CN103572855B - Clean steel H profile steel power consumption core tension compensates buckling restrained brace - Google Patents

Clean steel H profile steel power consumption core tension compensates buckling restrained brace Download PDF

Info

Publication number
CN103572855B
CN103572855B CN201210268013.8A CN201210268013A CN103572855B CN 103572855 B CN103572855 B CN 103572855B CN 201210268013 A CN201210268013 A CN 201210268013A CN 103572855 B CN103572855 B CN 103572855B
Authority
CN
China
Prior art keywords
steel
power consumption
profile steel
core
profile
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.)
Active
Application number
CN201210268013.8A
Other languages
Chinese (zh)
Other versions
CN103572855A (en
Inventor
郭小康
许立新
陈桥生
朱卫军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Baoye Group Corp Ltd
Original Assignee
Shanghai Baoye Group Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Baoye Group Corp Ltd filed Critical Shanghai Baoye Group Corp Ltd
Priority to CN201210268013.8A priority Critical patent/CN103572855B/en
Publication of CN103572855A publication Critical patent/CN103572855A/en
Application granted granted Critical
Publication of CN103572855B publication Critical patent/CN103572855B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to building damping device.A kind of clean steel H profile steel power consumption core tension compensates buckling restrained brace, and it comprises a H profile steel power consumption core and a cross section be enclosed within H profile steel is the steel bushing of rectangle; The wide centre, two ends, the edge of a wing of described H profile steel power consumption core is narrow, and the width crossover position at the centre of its upper surface and two ends is provided with protruding billet, and web two ends are provided with the web stiffener connected by the weld all around of trihedral angle weld seam; Be provided with two pairs of angle steel in described steel bushing and lay respectively at H profile steel power consumption the core edge of a wing both sides, every diagonal angle steel backing is to setting, and both sides are welded to connect with steel bushing inwall respectively; Centre on two faces of this steel bushing and and two ends be provided with on the core edge of a wing of consuming energy with H profile steel and show groove corresponding to billet, each backing plate passes respectively in the groove of correspondence, middle backing plate surrounding and the weld all around of groove wall are fixed, the recess width at two ends is greater than corresponding backing plate width, and groove two ends are then provided with block.Present invention achieves the function that tension compensates.

Description

Clean steel H profile steel power consumption core tension compensates buckling restrained brace
Technical field
The present invention relates to building damping device, particularly relate to energy-consumption shock-absorption device for building.
Background technology
Earthquake is the highly probabilistic natural calamity of one, and bring grave danger to the life of the mankind and property safety, strong earthquake will cause loss difficult to the appraisal.Installing energy-consumption shock-absorption device for building structure is reduce structural earthquake damage effective means.From the viewpoint of energy, the main cause that structure is collapsed under rarely occurred earthquake is the energy that the energy dissipation capacity of structure self is not enough to consume Seismic input structure, thus causes the critical component generation fatigue fracture such as node, beam, post of structure to destroy.Even if structure does not collapse, damage and the corresponding repair of structure are also costly, and the cycle is very long, can affect the normal usage function of structure, causes the generation of secondary disaster, cause huge negative effect by the life of people and production.The energy-consumption shock-absorption device additional for building structure can absorb large energy in earthquake, makes damage concentration in energy-consumption shock-absorption device itself, thus plays protection agent structure, reduces the effect of structural key placement members damage.All previous earthquake finding shows, adopts the building structure of energy-consumption shock-absorption device all to have comparatively superior anti-seismic performance.Conventional energy-consuming shock absorber has viscous damper, viscoelastic damper, metal damper etc.
Usual buckling restrained brace has two kinds of principal modes, and namely (1) take concrete filled steel tube as the buckling restrained brace of tied mechanism, and the buckling restrained brace deadweight of this type is comparatively large, and the process-cycle is poor, and processing technology is also comparatively complicated; (2) clean steel type buckling restrained brace, this kind supports by realizations such as steel bushings of putting more energy into the effect of contraction of power consumption unit, although deadweight is comparatively light, process velocity is very fast, and certainly steel using amount will increase, and cost also can correspondingly promote.Further, common buckling restrained brace is under the reciprocating of earthquake, and core stress-strain state also reciprocation cycle, easily produces fatigue fracture and destroy.So, will not tensile capacity be reoffered after supporting core fracture, and cause the lateral resistant ability of structure to decline instantaneously, very unfavorable to antidetonation.
Summary of the invention
The present invention is intended to the defect overcoming prior art, provides a kind of clean steel H profile steel power consumption core tension to compensate buckling restrained brace.The present invention can prevent the generation cripling of power consumption core cell from destroying, do not need measure of putting more energy into outside extra face, only need to ensure to support overall collapse destruction does not occur, and post-rift pull transfer will be supported to constraint steel bushing by tension compensation arrangement, achieve the function that tension compensates.
In order to solve the problems of the technologies described above, the present invention is achieved in that a kind of clean steel H profile steel power consumption core tension compensates buckling restrained brace, and it comprises a H profile steel power consumption core and a cross section be enclosed within H profile steel is the steel bushing of rectangle;
The edge of a wing of described H profile steel power consumption core is the narrow dumbbell shape in wide centre, two ends, and the width crossover position at the centre of its upper surface and two ends is provided with protruding billet, and the billet at two ends is consistent with web direction; Web two ends also trihedral angle weld seam weld all around are connected with web stiffened panel;
Be provided with two pairs of angle steel in described steel bushing, and lay respectively at the both sides on the H profile steel power consumption core edge of a wing, every diagonal angle steel backing is to setting, and both sides are welded to connect with steel bushing inwall respectively; This steel bushing with described H profile steel consume energy centre on parallel two faces, the edge of a wing of core and and two ends be provided with on the core edge of a wing of consuming energy with H profile steel and show groove corresponding to billet, each backing plate passes respectively in the groove of correspondence, middle backing plate surrounding and the weld all around of groove wall are fixed, the recess width at two ends is greater than corresponding backing plate width, and groove two ends are then provided with block.
Described clean steel H profile steel power consumption core tension compensates buckling restrained brace, and the inwall between the central slot of described steel bushing and grooves on two sides is provided with backing plate contiguous block, and the setting direction of this backing plate contiguous block and H profile steel is orthogonal.
Described clean steel H profile steel power consumption core tension compensates buckling restrained brace, and its skewed horizontal load is arranged between post and back timber.
The present invention is the one of metal damping energy dissipation device, i.e. buckling restrained brace.It is by the efficient energy consume mechanism of power consumption core cell axial push-pull surrender, dissipation inputting seismic energy.Its edge of a wing by restriction H profile steel core and the flakiness ratio of web, can prevent the generation cripling of power consumption core cell from destroying, do not need measure of putting more energy into outside extra face, only need to ensure to support overall collapse destruction does not occur, and post-rift pull transfer will be supported to constraint steel bushing by tension compensation arrangement, achieve the function that tension compensates.Economy of the present invention, practicality, functional all better, there is good application value.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is described in further detail:
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is 2-2 sectional view in Fig. 2;
Fig. 4 is 3-3 sectional view in Fig. 2;
Fig. 5 is 4-4 sectional view in Fig. 2;
Fig. 6 of the present inventionly arranges schematic diagram;
Fig. 7 is test hysteresis loop figure of the present invention.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of clean steel H profile steel power consumption of the present invention core tension compensates buckling restrained brace, which comprises at least: the H profile steel power consumption core 1, of a reduced beam section limit the steel sleeve 2 of this H profile steel core pressurized overall collapse flexing, web stiffener 3, angle steel 4, some pieces of backing plates 5,7, tension compensation mechanism 6.
Edge of a wing 1-1 and the web 1-2 of the H profile steel power consumption core 1 of a described reduced beam section have strict flakiness ratio requirement, and are close to constraint by constraint steel sleeve 2 with angle steel 4 and backing plate 5.
Described angle steel 4 is welded with steel bushing 2 inwall by double-side angular weld seam, and the spacing being welded in two confining parts on sleeve the same face equals the width of H profile steel reduced beam section section.
Described angle steel 4 is not that the elongated steel sleeve 2 that is arranged in is inner, and its end and H profile steel do not weaken place and leave certain distance 8, for supporting pressurized Free Transform.
Described web reinforcement stiffener (3) in H profile steel web (1-2) end, and stretches out the outer certain distance of sleeve by three leg fillet welds weld all arounds, is convenient to weld with gusset plate.
Described some pieces of backing plates 5 are welded in steel bushing inwall by fillet weld interval, and are close to the consume energy edge of a wing 1-1 of core of H profile steel.
Described tension compensation mechanism 6 realizes in the following manner: the face welding stiffener 6-1 being adjacent to sleeve on the H profile steel core edge of a wing without weakening section, and at the relevant position otch 6-2 of steel bushing, and the length of notch is greater than the length of 6-1, so that for supporting Free Transform slot milling, when supporting core fracture or displacement surmount limit value, stiffener can with the face of steel bushing in and fill plate extrude, by pull transfer suffered by supporting core to steel bushing 2.
Described shoe 7 realizes in the following manner: in the middle part of the H profile steel power consumption core edge of a wing, weld fill plate 7-1, at steel sleeve relevant position otch 7-2, make welded fill plate just be positioned at notch, and then be one overall by fill plate and sleeve weld by fillet weld.
Now refer to Fig. 6, described clean steel H profile steel power consumption core tension compensates buckling restrained brace, and its skewed horizontal load is arranged between post 8 and back timber 9.

Claims (3)

1. clean steel H profile steel power consumption core tension compensates a buckling restrained brace, it is characterized in that, it comprises a H profile steel power consumption core and a cross section be enclosed within H profile steel is the steel bushing of rectangle;
The edge of a wing of described H profile steel power consumption core is the narrow dumbbell shape in wide centre, two ends, and the width crossover position at the centre of its upper surface and two ends is provided with protruding billet, and the billet at two ends is consistent with web direction; Web two ends are also provided with the web stiffener connected by the weld all around of trihedral angle weld seam;
Be provided with two pairs of angle steel in described steel bushing, and lay respectively at the both sides on the H profile steel power consumption core edge of a wing, every diagonal angle steel backing is to setting, and both sides are welded to connect with steel bushing inwall respectively; Being provided with on the core edge of a wing of consuming energy with H profile steel showing groove corresponding to billet with consume energy centre on parallel two faces, the edge of a wing of core and two ends of described H profile steel of this steel bushing, each backing plate passes respectively in the groove of correspondence, middle backing plate surrounding and the weld all around of groove wall are fixed, the recess width at two ends is greater than corresponding backing plate width, and groove two ends are then provided with block.
2. clean steel H profile steel power consumption core tension according to claim 1 compensates buckling restrained brace, it is characterized in that, inwall between the central slot of described steel bushing and grooves on two sides is provided with backing plate contiguous block, and the setting direction of this backing plate contiguous block and H profile steel is orthogonal.
3. clean steel H profile steel power consumption core tension according to claim 1 compensates buckling restrained brace, and it is characterized in that, its skewed horizontal load is arranged between post and back timber.
CN201210268013.8A 2012-07-31 2012-07-31 Clean steel H profile steel power consumption core tension compensates buckling restrained brace Active CN103572855B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210268013.8A CN103572855B (en) 2012-07-31 2012-07-31 Clean steel H profile steel power consumption core tension compensates buckling restrained brace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210268013.8A CN103572855B (en) 2012-07-31 2012-07-31 Clean steel H profile steel power consumption core tension compensates buckling restrained brace

Publications (2)

Publication Number Publication Date
CN103572855A CN103572855A (en) 2014-02-12
CN103572855B true CN103572855B (en) 2016-02-03

Family

ID=50045509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210268013.8A Active CN103572855B (en) 2012-07-31 2012-07-31 Clean steel H profile steel power consumption core tension compensates buckling restrained brace

Country Status (1)

Country Link
CN (1) CN103572855B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106499077B (en) * 2016-09-20 2018-10-19 北京工业大学 Metal-rubber damper with limitation locking function and anti-buckling support combinations energy-consuming device
CN106499240B (en) * 2016-09-20 2019-06-21 北京工业大学 Telescopic anti-buckling support with multistage buckling strength and positioning metal rubber energy consumption ring

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003213815A (en) * 2002-01-24 2003-07-30 Mitsubishi Heavy Ind Ltd Aseismatic structure of steel construction, and aseismatic repair method
JP4035769B2 (en) * 2003-02-12 2008-01-23 清水建設株式会社 Composite brace damper
CN201190347Y (en) * 2008-05-14 2009-02-04 哈尔滨工业大学 Full angle steel type buckling-restrained brace component
TW201114992A (en) * 2009-10-20 2011-05-01 ke-qiang Lin Assembly method of buckling restrained brace device and a buckling restrained brace device
CN201933634U (en) * 2010-10-15 2011-08-17 清华大学 H-shaped cross section assembly type anti-flexure support component
CN202787553U (en) * 2012-07-31 2013-03-13 上海宝冶集团有限公司 Pure H-shaped steel tension-compensation buckling restrained brace with energy-dissipation core

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003213815A (en) * 2002-01-24 2003-07-30 Mitsubishi Heavy Ind Ltd Aseismatic structure of steel construction, and aseismatic repair method
JP4035769B2 (en) * 2003-02-12 2008-01-23 清水建設株式会社 Composite brace damper
CN201190347Y (en) * 2008-05-14 2009-02-04 哈尔滨工业大学 Full angle steel type buckling-restrained brace component
TW201114992A (en) * 2009-10-20 2011-05-01 ke-qiang Lin Assembly method of buckling restrained brace device and a buckling restrained brace device
CN201933634U (en) * 2010-10-15 2011-08-17 清华大学 H-shaped cross section assembly type anti-flexure support component
CN202787553U (en) * 2012-07-31 2013-03-13 上海宝冶集团有限公司 Pure H-shaped steel tension-compensation buckling restrained brace with energy-dissipation core

Also Published As

Publication number Publication date
CN103572855A (en) 2014-02-12

Similar Documents

Publication Publication Date Title
CN202787553U (en) Pure H-shaped steel tension-compensation buckling restrained brace with energy-dissipation core
CN102877568B (en) Double-inner-core buckling-preventive support structure
CN102409757B (en) Anti-seismic structure of energy-consumption angle brace
CN103711215B (en) Easily steel shaped pile frame-accentric support frame is repaired after a kind of shake
CN208749195U (en) A kind of replaceable axial push-pull type mild-steel energy-consumption damper
CN204919858U (en) Buckling restrained brace component
CN107386481B (en) Transformer substation's structural rigidity reinforcing means
CN105839518A (en) Energy-dissipation and shock-absorption tie beam for double-limb pier
CN103572855B (en) Clean steel H profile steel power consumption core tension compensates buckling restrained brace
CN103352521B (en) One-way energy-dissipation supporting component
CN102900166A (en) Buckling restrained brace, as well as joint connecting plate and mounting method thereof
CN103243832B (en) Polyurethane efficient support is filled with in a kind of steel pipe
CN201665929U (en) Metal bending energy-consumption damper capable of preventing tension and compression yield
CN202831286U (en) Dual-core buckling-proof supporting structure
CN103485435B (en) The constraint of multisection type combined buckling supports
CN103266683A (en) Core-replaceable partial filling type double-sleeve buckling-preventing support
CN103669630B (en) Clean steel box shape steel buckling restrained brace
CN203514559U (en) Anti-buckling overlapping-assembled support with local filling
CN103669629B (en) Two web H shaped steel buckling restrained brace
CN207110102U (en) A kind of circular section reducing low-yield rod iron dissipative cell
CN109610666A (en) A kind of double energy dissipating mechanism systems
CN102127962B (en) The bidirectional stress base section of the attached lift scaffold improved
CN109024988A (en) A kind of double-layer plate shear wall structure put more energy into close rib being easily installed
KR101209367B1 (en) Post reinforcing structure for buckling of braces in the steel moment connection frame
CN104100017A (en) Eccentric support frame system easy to repair

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
C14 Grant of patent or utility model