CN104912227B - A kind of end connection node of split type buckling restrained brace bar and installation method - Google Patents
A kind of end connection node of split type buckling restrained brace bar and installation method Download PDFInfo
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- CN104912227B CN104912227B CN201510340397.3A CN201510340397A CN104912227B CN 104912227 B CN104912227 B CN 104912227B CN 201510340397 A CN201510340397 A CN 201510340397A CN 104912227 B CN104912227 B CN 104912227B
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Abstract
The invention discloses a kind of end connection node of split type buckling restrained brace bar, including connection otic placode and change-over panel, the end face of change-over panel is fixedly connected with buckling restrained brace part, and the other end of change-over panel is vertical with connection otic placode to be fixedly connected, and connection otic placode arranges pin shaft hole；Also disclose a kind of installation method of split type buckling restrained brace bar, its step is simultaneously：1）Change-over panel and connection otic placode are welded into connector；2）With bearing pin, connector is arranged on the bearing of building structure；3）Actual range A between two connectors of actual measurement, length B of buckling restrained brace rod member, 10mm≤(A B)≤50mm；4）Rod member lifting will be supported and fill in and carry out welding between two connectors with crane gear.Can realize and arbitrary section core（Containing yi word pattern, cross, H type, type etc.）Pin type connect, installation method is convenient and swift simultaneously, it is to avoid live reaming or cut shifting and filled the workload that component brings, or repeatedly does over again and bring cost increase.
Description
Technical field
The invention belongs to Installation Technique of Steel Structure field in architectural engineering, it is related to a kind of split type buckling restrained brace
End connection node, the installation method of more particularly, to a kind of split type buckling restrained brace bar.
Background technology
Nowadays, in Installation Technique of Steel Structure field, buckling restrained brace is as seismic energy dissipation structure component, damping
Device and bearing structure component are widely used, and buckling restrained brace is by core, the sleeve of constraint core flexing and to be located at core
Non-cohesive material between material and sleeve and a kind of all-in-one-piece supporting member of packing material composition, generally its core are individual plates
Material（As Fig. 1）, i.e. yi word pattern section or double yi word pattern section（Other sections in conventional coupling arrangement are to make pin type
Connecting node）, lead plug axis hole in the free telescopic section of core, or termination connected by flange to make pin type connect section
Point, such node installation error is larger, and prior art is disposably tiltedly to put lifting to connect, and is not suitable for high accuracy install,
When error occurring in installation process, can only be by the axis hole or retrodisplacement is cut to fixing termination these reduce prescriptions of extending sales
Method being installed, this error processing method takes time and effort, and efficiency is low, and it is overall to affect buckling restrained brace
Stability is it is possible to reduce bearing capacity size.
Existing《Acceptance standard of engineering quality of steel structure》（GB50205）The middle aperture ratio pin diameter requiring pin shaft hole is only
Big 2mm, that is, support the construction and installation regulated quantity of rod member to be only 2mm, in the realm of building construction, to the support rod member tiltedly put
Say, installation accuracy requirement is very high, therefore easily produce error.Therefore it is badly in need of in the industry a kind of brand-new node and installation method comes
Make up the deficiency in prior art.
Content of the invention
The present invention in order to overcome the above-mentioned deficiencies of the prior art, provide not only a kind of split type buckling restrained brace termination
Connecting node, is additionally provided a kind of installation method of split type buckling restrained brace bar, is reached by split type method of attachment
High accuracy install to zero error.
A kind of feature of split type buckling restrained brace end connection node of the present invention is by a kind of special support end
Head makes buckling restrained brace structure separate, and by realizing and arbitrary section core in the method supporting termination to increase change-over panel
Material carries out pin type connection, and that is, the termination in the free telescopic section of two ends buckling restrained brace core respectively adds one piece perpendicular to core
The change-over panel of length direction, the then opposite side assembly in change-over panel is drilled with monolithic or the polylith connection otic placode of pin shaft hole, permissible
Realize and arbitrary section core（Containing yi word pattern, cross, H type, type etc.）Pin type connect.
A kind of installation method feature of split type buckling restrained brace bar of the present invention is using split type method of attachment, will survey
Error amount during amount has cleverly been transformed in the allowed band of weld seam,（Weld gap regulated quantity is big, often holds throat depth
Can be 5～25mm, that is, the deviation accumulation of every buckling restrained brace allows up to 50mm）, pin type connection is realized with this
High accuracy install.
The principles of science of the end connection node high accuracy install of the present invention split type buckling restrained brace bar is in building
In construction field, the diameter 2mm only bigger than the diameter of bearing pin of pin shaft hole, that is, buckling restrained brace regulated quantity only have 2mm, installation
Tolerance is very little, and weld seam is just different, and weld gap can be 5～25mm, can make up peace by adjusting weld gap
The deviation of dress, it is to avoid the reaming in prior art and displacement equal error processing method, passes through detection after installation, carries energy
Power meets structure design bearing capacity.
The present invention, to be applied to the core in any section, illustrates herein taking cross section core as a example.
The present invention solves the above problems by the following technical programs：
A kind of general thought of the installation method of split type buckling restrained brace bar is that first installation accuracy requirement is relatively high
Bearing pin connector, then the buckling restrained brace rod member needing solder design is installed（Hereinafter referred to as " support rod member "）, last welding.
Specific installation steps are as follows：
Step one：Resolve into three element factory processing
In factory, connection otic placode and change-over panel are welded into connector（This kind of component of piece buckling restrained brace has two
Individual）；Core, non-cohesive material and packing material, outer sleeve, head plate etc. are assembled into buckling restrained brace rod member（Following letter
Claim " support rod member "）（This kind of component of piece buckling restrained brace has one）.After completing, it is sent to building site；
Described change-over panel is the rectangular slab of thickness 20mm～130mm, connection otic placode and change-over panel vertical welding.
Step 2：Use bearing pin installation connecting element
Solid lubrication is spread in building structure at the pin shaft hole of the bearing of buckling restrained brace, connection otic placode and connector
Oil, is inserted two connectors in two bearings respectively with crane gear, coaxial to the pin shaft hole of bearing and connection otic placode, then
By preliminary for bearing pin jacking pin shaft hole, when bearing pin is installed, need to be knocked in hammer vibration, and every now and then fine setting connector it is ensured that
Smoothly the penetrating of bearing pin.Bearing pin penetrates after putting in place, is screwed into spacer pin on bearing pin, in case bearing pin comes off.So far, first connection
Part installation, installs second with same method, the erection sequence no hard requirement of two connections.Generally, one
Root buckling restrained brace often holds each connector.If bearing pin weight larger it is impossible to manually directly lift to move when, can be by
Chain lifting.
Step 3：Support rod member to install to prepare
Actual range A between two connectors of actual measurement, the length of buckling restrained brace rod member is B, enters to supporting rod member
Row processed is so that 10mm≤(A-B)≤50mm.
Step 4：Welding
Use crane gear（Hoist engine or chain etc.）Rod member lifting will be supported and fill between two connectors, and finely tune
Weld gap to two ends is roughly equal and then spot welding positions；After supporting the weld seam at rod member two ends ready, respectively to support
Weld seam between rod member two ends and connector carries out welding.
Welding sequence：First be soldered wherein one end, then weld the other end, can not welding simultaneously, in order to avoid weld contraction has to quality
Impact.It is noted that carrying out draught exclusion device during overhead welding.When ambient temperature is less than 20 DEG C, should be in the range of 100mm at welding
It is preheating to 200 DEG C about.If weld seam welds for double groove, ceramic welding backing should be adopted, to ensure weldquality.
A kind of end connection node of split type buckling restrained brace, including connection otic placode and change-over panel, change-over panel is square
Shape plate, the end face of change-over panel is fixedly connected with buckling restrained brace part, and buckling restrained brace is stretched out in the termination of described core
The head plate end face of part, change-over panel other end vertical with one end of connection otic placode be fixedly connected, connection otic placode another
End setting pin shaft hole.Described connection otic placode is monolithic or polylith, positioned at buckling restrained brace part with the polylith otic placode of one end
Pin shaft hole is coaxial.
Described connection otic placode be monolithic or polylith, positioned at buckling restrained brace part with the polylith otic placode of one end pin shaft hole
Coaxially
Compared with prior art, the invention has the beneficial effects as follows：Bearing pin connects and belongs to hinged, and moment M is equal to zero, than
The bolt connection binding effect that moment of flexure is similar to zero is more preferable, realizes buckling restrained brace two ends arbitrary section core（Containing yi word pattern,
Cross, H type, type etc.）Pin type attachment structure, and its high-quality install, that is, achieve structure design be intended to, again solve
The installation difficult problem of buckling restrained brace two ends pin type nodes, it is to avoid the function of buckling restrained brace can not give full play to very
To losing efficacy, structure initial imperfection is excessive to wait security-hidden trouble.In installation operation, convenient and swift, it is to avoid live reaming or
Cut shifting and filled the workload that component brings, or repeatedly do over again and bring cost increase.
Brief description
Fig. 1 is traditional buckling restrained brace graphics.
The buckling restrained brace of the split type attachment structure of Fig. 2 present invention and bearing pin graphics（With cross section core it is
Example）.
Fig. 3 is the present invention split type buckling restrained brace attachment structure schematic elevation view.
Fig. 4 is the present invention split type buckling restrained brace attachment structure schematic top plan view.
Fig. 5 is the present invention split type buckling restrained brace attachment structure sectional view.
Fig. 6 becomes the graphics of three components for buckling restrained brace split of the present invention.
Fig. 7 is the steel truss gallery structure figure of present invention buckling restrained brace to be installed.
Fig. 8 installs the bearing pin connector figure at buckling restrained brace two ends for the present invention.
Fig. 9 installs buckling restrained brace rod member figure for the present invention.
In figure, 1- connection otic placode, 2- pin shaft hole, 3- change-over panel, the free telescopic section of 4- core, 5- head plate, 6- overcoat
Cylinder, 7- connector（It is made up of connection otic placode 1 and change-over panel 3）, 8- non-cohesive material and packing material, 9- bearing pin, 10- core
（Taking cross section as a example）, 11- buckling restrained brace rod member（Non-cohesive material and packing material 8, outer sleeve 6, head plate 5
Etc. assembling）, 12- steel reinforced concrete structure, 13- steel truss vestibule, the bearing on 14- steel reinforced concrete structure, 15- steel truss
Bearing on frame vestibule, 16- spacer pin.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 2-5, a kind of end connection node of split type buckling restrained brace, including connection otic placode 1 and conversion
Plate 3, change-over panel 3 is thickness 20mm～130mm rectangular slab, the core 10 of the end face of change-over panel 3 and buckling restrained brace part 11
Termination is fixedly connected, and head plate 5 end face of buckling restrained brace part 11 is stretched out in the termination of described core 10（It is core freely
Telescopic section 4）, the other end of change-over panel 3 is vertical with one end of connection otic placode 1 to be fixedly connected, the other end setting of connection otic placode 1
Pin shaft hole 2.
Connection otic placode 1：The connection otic placode 1 of the every one end of buckling restrained brace can be monolithic or polylith, if polylith, then
The pin shaft hole of all otic placodes must be coaxial, and that is, porous is coaxial, and guarantee bearing pin passes through wears polylith connection otic placode.Pin shaft hole
Diameter than bearing pin big 2mm.The thickness range of otic placode is 10mm～130mm, or even as needed can be bigger.
Change-over panel 3：Thickness range is 20mm～130mm, or even as needed can be bigger.It is 40mm when thickness is not less than
When, according to existing《Acceptance standard of engineering quality of steel structure》（GB50205）Regulation, need to be from there being the steel of thickness directional properties
Material.Depending on the length and width degree of change-over panel needs according to design.
Buckling restrained brace rod member 11：It is made up of core 10, soap-free emulsion polymeization material and packing material 8, outer sleeve 6, core 10 can
Think yi word pattern, cross, H type, type uiform section, core 10 thickness of slab be 20mm～80mm, section specification, rod length according to
Depending on design, rod length is generally 3m～12m.Outer sleeve 6 can according to outward appearance, using depending on function, generally circular in cross section or
Box-shaped, wall thickness is typically no less than 20mm.Buckling restrained brace rod member is market product, can order as desired.
It is designed with steel truss vestibule 13, the reinforcing bar coagulation of steel truss vestibule 13 and high building between two high buildings of skyscraper
Soil structure 12, in addition to being directly connected to, in order to improve shock resistance, also uses buckling restrained brace and corresponding bearing（Reinforcing bar coagulation
Bearing 15 on bearing 14 in soil structure, steel truss vestibule）Carry out two ends pin type connection.Due to setting of buckling restrained brace
Meter requirement for bearing capacity ratio is larger, and therefore, cross section elected as by core.But cross section core cannot directly carry out bearing pin
Connect.As shown in Figure 2, Figure 3, Figure 4, a kind of split type buckling restrained brace attachment structure of the present invention according to force request each
End bearing pin junction need to arrange two pieces of connection otic placodes 1, arranges one piece of change-over panel 3 between connection otic placode 1 and cross section core,
Realize cross section core 10 to the transition of bearing pin connection otic placode 1.As shown in fig. 6, it is connection otic placode 1, change-over panel 3, buckling-restrained
Rod member 11 is supported to weld.
As Figure 7-9, the installation method of the buckling restrained brace of above-mentioned split type two ends pin shaft connection structure includes：
Step one：A piece buckling restrained brace split becomes three components to carry out factory process
In factory, connection otic placode 1 and change-over panel 3 are welded into connector 7；By core 10, non-cohesive material and filling material
Material 8, outer sleeve 6, head plate 5 etc. are assembled into buckling restrained brace rod member 11（Hereinafter referred to as " support rod member "）.After completing,
It is sent to building site.
Step 2：Use bearing pin installation connecting element
Bearing 15 on bearing 14 on steel reinforced concrete structure, steel truss vestibule, and bearing pin, connector, three's
Spread solid lubrication oil at pin shaft hole 2, with chain, the connection otic placode 1 on connector 7 is inserted into above-mentioned bearing（14 or 15）In,
Until all pin shaft holes 2 are coaxial, then with chain by preliminary for bearing pin 9 jacking pin shaft hole, when bearing pin 9 is installed, need to be shaken with hammer
Dynamic knock in, and every now and then fine setting connector 7 it is ensured that smoothly the penetrating of bearing pin 9.Bearing pin 9 penetrates after putting in place, twists on bearing pin 9
Enter spacer pin 16, in case bearing pin 9 comes off.So far, connector 7 installation being connected with steel reinforced concrete structure upper bracket 14,
The connector 7 being connected with steel truss vestibule upper bracket 15 with same method installation, the erection sequence of two connections is no rigid will
Ask.
Step 3：Support rod member to install to prepare
Actual range A between two connectors 7 of actual measurement, then by this range data and buckling restrained brace rod member 11
Size B is compared.If 10mm≤(A-B)≤50mm, directly use crane gear（Hoist engine or chain etc.）Rod member 8 will be supported to pacify
It is filled between two connectors 7, otherwise to the support suitable processed of rod member until above range value is installed again.
Step 4：Welding
Rod member 8 lifting will be supported and fill between two connectors 7 with chain, and finely tune big to the weld gap at two ends
Cause equal and then spot welding positioning.After supporting the weld seam at rod member two ends ready, respectively to support rod member two ends and connector it
Between weld seam carry out welding.Welding sequence：First be soldered wherein one end and weld the other end again, can not welding simultaneously, in order to avoid weld contraction
Quality is had an impact.It is noted that carrying out draught exclusion device during overhead welding.When ambient temperature is less than 20 DEG C, should be at welding
It is preheating to 200 DEG C about in the range of 100mm.If weld seam welds for double groove, ceramic welding backing should be adopted, to ensure weld seam
Quality.
Installation method of the present invention, simply and fast so that installation period shortens dramatically, decreases construction cost, so, this
Invention has high industrial utilization.
Claims (3)
1. a kind of end connection node installation method of split type buckling restrained brace, comprises the following steps that：
Step one：Resolve into three element factory processing：
In factory, by connection otic placode（1）With change-over panel（3）It is welded into connector, by core（10）, non-cohesive material and filling material
Material（8）, outer sleeve（6）, head plate（5）It is assembled into buckling restrained brace rod member（11）, after completing, it is sent to building site；
Described change-over panel（3）For the rectangular slab of thickness 20mm～130mm, connection otic placode（1）With change-over panel（3）Vertical welding；
Step 2：Use bearing pin installation connecting element
The bearing of buckling restrained brace and connector in building structure（7）Connection otic placode（1）Pin shaft hole at spread solid-state
Lubricating oil, with crane gear by two connectors（7）Respectively in two bearings in insertion building structure, to bearing and connection otic placode
Pin shaft hole coaxial, then by bearing pin（9）Preliminary jacking pin shaft hole, installs bearing pin（9）When, need to be knocked in hammer vibration, and
And every now and then fine setting connector it is ensured that bearing pin（9）Smoothly penetrate, bearing pin（9）Penetrate after putting in place, in bearing pin（9）On be screwed into limit
Position pin（16）, first connector installation, install second with same method, the erection sequence of two connections is no rigid
Require；
Step 3：Support rod member to install to prepare
Two connectors of actual measurement（7）Between actual range A, buckling restrained brace rod member（11）Length be B, to support rod member
It is processed so that 10mm≤(A-B)≤50mm；
Step 4：Welding
With crane gear by buckling restrained brace rod member（11）Lifting simultaneously fills in two connectors（7）Between, and finely tune to two
The weld gap at end is roughly equal and then spot welding positions；Buckling restrained brace rod member（11）After the weld seam at two ends is ready, point
Other to buckling restrained brace rod member（11）Two ends and connector（7）Between weld seam carry out welding；Welding sequence：First it is soldered wherein
One end, then weld the other end, can not welding simultaneously, in order to avoid weld contraction has an impact to quality；
Described crane gear is hoist engine or chain.
2. realize the end connection node of the split type buckling restrained brace of installation method described in claim 1 it is characterised in that：
Including connection otic placode（1）And change-over panel（3）, change-over panel（3）For thickness 20mm～130mm rectangular slab, change-over panel（3）End face
With buckling restrained brace part（11）Core（10）Termination is fixedly connected, described core（10）Termination stretch out buckling-restrained
Support member（11）Head plate（5）End face, change-over panel（3）Other end and connection otic placode（1）One end be vertically fixedly connected, even
Ear connecting plate（1）The other end setting pin shaft hole（2）, connection otic placode（1）Thickness be 10mm～130mm.
3. split type buckling restrained brace according to claim 2 end connection node it is characterised in that：Described company
Ear connecting plate（1）For monolithic or polylith, positioned at buckling restrained brace part（11）Pin shaft hole with the polylith otic placode of one end is coaxial.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510340397.3A CN104912227B (en) | 2015-06-18 | 2015-06-18 | A kind of end connection node of split type buckling restrained brace bar and installation method |
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| CN201510340397.3A CN104912227B (en) | 2015-06-18 | 2015-06-18 | A kind of end connection node of split type buckling restrained brace bar and installation method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106013921A (en) * | 2016-07-13 | 2016-10-12 | 华东建筑设计研究院有限公司 | Buckling-restrained support component |
| CN109455266B (en) * | 2018-10-31 | 2021-03-23 | 共享钢构有限责任公司 | Method for manufacturing ear plate support and method for manufacturing mast pin shaft support |
| CN112628469B (en) * | 2020-11-24 | 2022-11-11 | 中国核电工程有限公司 | Design method of double support rods for applying rigid constraint to pipeline and pipeline structure |
| CN113565336B (en) * | 2021-07-31 | 2022-12-09 | 中冶(上海)钢结构科技有限公司 | Movable supporting tire frame column and using method thereof |
| CN115162554B (en) * | 2022-08-31 | 2023-07-04 | 甘肃建筑职业技术学院 | Buckling restrained brace system based on electromagnetic control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3803827B2 (en) * | 2003-02-04 | 2006-08-02 | 株式会社竹中工務店 | Retractable seismic device |
| KR100952404B1 (en) * | 2007-09-19 | 2010-04-15 | (주) 동양구조안전기술 | Hybrid Buckling Restrained Brace |
| CN101525909A (en) * | 2009-03-25 | 2009-09-09 | 广东省建筑科学研究院 | Hinged two-channel steel flexible restricting support |
| JP3155135U (en) * | 2009-08-28 | 2009-11-05 | 株式会社川金テクノソリューション | Brace members in vibration control devices |
| KR101152653B1 (en) * | 2009-11-19 | 2012-06-04 | 서울시립대학교 산학협력단 | Seismic control brace device |
| CN102162304B (en) * | 2011-03-09 | 2012-06-20 | 中国建筑第八工程局有限公司 | Construction method for installing viscous damper |
| CN103088933B (en) * | 2013-01-17 | 2015-07-29 | 中南大学 | A kind of collaborative power consumption curvature-prevention support component with large shake defencive function |
| CN103104052B (en) * | 2013-02-07 | 2016-03-09 | 陈明中 | A kind of change type buckling-restrained energy-dissipation |
| CN103088935A (en) * | 2013-02-17 | 2013-05-08 | 王兆荣 | Neck reinforced buckling-restrained brace filled by concrete |
| CN103603426B (en) * | 2013-11-18 | 2015-08-05 | 湖南大学 | A kind of bracing or strutting arrangement for frame construction |
| CN103835386A (en) * | 2014-02-28 | 2014-06-04 | 清华大学 | Hinged rectangular-pipe assembled buckling restrained brace with end rotation limiting function |
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