CN104763072B - Channel-section steel restraining sleeve in-line clean steel buckling restrained brace - Google Patents
Channel-section steel restraining sleeve in-line clean steel buckling restrained brace Download PDFInfo
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- CN104763072B CN104763072B CN201510225551.2A CN201510225551A CN104763072B CN 104763072 B CN104763072 B CN 104763072B CN 201510225551 A CN201510225551 A CN 201510225551A CN 104763072 B CN104763072 B CN 104763072B
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Abstract
The present invention relates to a kind of channel-section steel restraining sleeve in-line clean steel buckling restrained brace, it is the core plate of in-line, non-cohesive material layer, restraining tube sleeve and belly steel plate including cross section, restraining tube sleeve section is that upper lower section is channel-section steel, and belly steel plate is the section that the inside that general steel plate is surrounded is rectangle；Core plate is retracted 5mm from end variable cross-section to restraining tube sleeve inner length range short transverse, one piece of 10mm ~ 20mm of weld all around steel plate on the outside of restraining tube sleeve ends channel-section steel, the outer wrap non-cohesive material layer of core plate, the belly steel plate of the corresponding restraining tube sleeve in core plate center opens plug welding hole and restraining tube sleeve plug welding connects together.The present invention realizes face contiguity constraint by the way that the both sides of core plate are fastened in channel-section steel sleeve web attaching means respectively, improve and make use of the ability of the anti-local buckling of core, it is not necessary to filling about beam material so that deadweight is substantially reduced, steel utilization ratio is very high, so as to reach preferable economy.
Description
Technical field
The present invention relates to a kind of building structure of Seismic Resistance And Disaster Reduction, belong to structural damping and passively control category, and in particular to one
Kind of channel-section steel restraining sleeve in-line clean steel buckling restrained brace and preparation method thereof, available for resisting horizontal earthquake in building structure
Effect, improves structural seismic performance.
Background technology
Buckling restrained brace is that one kind can provide anti-side rigidity and not unstability, can stably realize energy dissipating under macroseism again
The structural elements of damping.Experiment shows, sets buckling restrained brace to increase substantially bearing capacity, carry in concrete frame
High structural seismic performance, it is expected to substitute some shear walls, improves frame structure and uses height.In addition, buckling restrained brace can be
Prefabrication, it is easy to standardize, it is easy for installation, also accelerate speed of application, save the advantages such as construction cost.
Buckling restrained brace is one kind of metal energy-consumption shock-absorption device, and it is by consuming energy what core cell axial push-pull was surrendered
Efficiently consume energy mechanism, dissipation inputting seismic energy.The species of buckling-restrained bracing member is more, according to the material of peripheral constraint component
Material is divided, and mainly has three types, i.e. concrete restricted type, steel and Combined concrete restricted type and clean steel restricted type.Clean steel is about
Beamforming buckling restrained brace is light compared with first two buckling restrained brace, and process velocity is fast, and precision is easy to control, and quality easily ensures.
The core cell of buckling restrained brace axial compressive force effect under have two kinds of buckling failure patterns, i.e. complete buckling with
Local buckling.Existing clean steel type buckling restrained brace, be all by the construction measures such as stiffener limit core cell this
The generation of two kinds of buckling failure patterns.Common core cell has " one " font plate and " ten " font compound section etc..
But, existing clean steel type buckling restrained brace restraining tube sleeve work in-process, which exists, makes complicated, and weld seam is more,
Complexity is assembled between core cell and restraining tube sleeve, processes long in time limit, processing and fabricating cost is higher, and this will be unfavorable for standard
It is turned into industry and large-scale production.
The content of the invention
The shortcoming of prior art, makes simple it is an object of the invention to provide one kind in view of the above, easy to assembly,
Short time limit is processed, processing and fabricating cost is relatively low, the channel-section steel restraining sleeve one that scleronomic constraint is acted on is played by construction itself completely
Font clean steel buckling restrained brace and preparation method thereof, for solving above mentioned problem of the prior art.
In order to achieve the above objects and other related objects, the technical scheme is that：
A kind of channel-section steel restraining sleeve in-line clean steel buckling restrained brace, including cross section are the core plate of in-line, fixation
Stiffener, non-cohesive material layer and the restraining tube sleeve and abdomen that are set on the core plate in core plate two ends center
Lower section is channel-section steel on portion's steel plate, the restraining tube sleeve, and the belly steel plate is surrounded by general steel plate, and inside is rectangle
Section；It is to cut from becoming that the core plate, which peripherally constrains the distance that sleeve inner short transverse is respectively retracted between 5mm, core plate two ends up and down,
Face end starts to restraining tube sleeve inner length range to terminate；One piece of weld all around on the outside of the restraining tube sleeve ends channel-section steel
10mm ~ 20mm steel plate, the outer wrap non-cohesive material layer 5 of the core plate, as described in non-cohesive material layer parcel
The center position of core plate, corresponding belly steel plate opens plug welding hole with both sides respectively and the belly steel plate plug welding connects together.
Two channel-section steel opening directions in the restraining tube sleeve section simultaneously inwardly or outwardly or reversely combined simultaneously.
The steel plate length is 1 ~ 2 times of restraining tube sleeve height, and width is spacing width outside two blocks of belly steel plates,
Starting point along its length is from being 1.5 ~ 3 times of restraining tube sleeve belly wall panel thickness with a distance from restraining tube sleeve ends.
When channel-section steel opening direction simultaneously inwardly or reversely when, the restraining tube sleeve channel-section steel edge of a wing is in the stiffener
Position is slotted, and makes the stiffener outside the restraining tube sleeve channel-section steel edge of a wing.
A kind of preparation method of channel-section steel restraining sleeve in-line clean steel buckling restrained brace, the preparation method includes following
Step:
(1) restraining tube sleeve is made, inner section is surrounded with two channel-section steels and two blocks of belly steel plates of equal length
For the combining structure of rectangle, two channel-section steels are welded and fixed with the belly steel plate being connected respectively, two channel-section steel openings
It can be combined outwardly or reversely inwardly or simultaneously simultaneously to according to design requirement；
(2) core plate is made, core plate 1 peripherally constrains the internal height direction of sleeve 4 and is respectively retracted 5mm, the two ends of core plate 1 up and down
Between distance be since variable cross-section end to the inner length end of extent (EOE) of restraining tube sleeve 4；
(3) on the outside of described two channel-section steels of restraining tube sleeve ends each one piece of 10mm ~ 20mm of weld all around steel plate, it is described
Steel plate length is 1 ~ 2 times of sleeve height, and width is spacing width outside two blocks of belly steel plates, and starting point along its length is from outer
The distance for enclosing constraint sleeve ends is 1.5 ~ 3 times of restraining tube sleeve belly wall panel thickness.
(4) in the core plate (1) center position, corresponding belly steel plate (7) opens plug welding hole and described with both sides respectively
Belly steel plate (7) plug welding connects together；
(5) with peripheral four faces of the non-cohesive material layer parcel core plate；
(6) by the groove at side surface of the belly steel plate, the slot center line of height and position and the center line of the stiffener
Overlap, groove width is equal to thickness and non-cohesive material thickness degree of the thickness plus weld seam of the stiffener, slotting length etc.
The length of buckling restrained brace described in 1/50, the periphery are added in length of the stiffener in the restraining tube sleeve
The groove depth direction constrained in sleeve 4 is semicircle, makes the stiffener outside the restraining tube sleeve；
(7) when channel-section steel opening direction simultaneously inwardly or reversely when, by the restraining tube sleeve channel-section steel edge of a wing described plus
The position fluting of strength plate, makes the stiffener outside the restraining tube sleeve channel-section steel edge of a wing；
(8) core plate (1) and the belly steel plate (7) plug welding connect together.
The invention has the advantages that：
The present invention realizes that core is surrendered and inductile power consumption machine by using the ability of the anti-local buckling of core itself
System, can be greatly enhanced steel utilization ratio, reduce rolled steel dosage；Simultaneously as make simple, and it is easy to assembly, make processing work
Phase shortens, and processing and fabricating cost is relatively low, and this is beneficial to standardized work and large-scale production.
Brief description of the drawings
Fig. 1 is the schematic diagram of channel-section steel restraining sleeve in-line clean steel buckling restrained brace of the present invention；
Fig. 2 be Fig. 1 in A-A to top view；
Fig. 3 is the top view of core plate；
Fig. 4 is the side view of B-B direction in Fig. 1；
Fig. 5 is the cross-sectional view of the C-C along along Fig. 1；
Fig. 6 is the cross-sectional view of the D-D along along Fig. 1；
Fig. 7 is the cross-sectional view of the E-E along along Fig. 1；
Fig. 8 is the cross-sectional view that channel-section steel is combined inwardly simultaneously；
Fig. 9 is the reversely combined cross-sectional view of channel-section steel；
Figure 10 is position fluting cross-sectional view of the channel-section steel edge of a wing in the stiffener.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1-10, entirely support by in-line core steel plate 1, additional steel plate 2, plug welding circular hole 3, restraining tube sleeve
Channel-section steel 4, soap-free emulsion polymeization techonosphere 5 (because the layer is too thin, can not be shown in figure), stiffener 6 and restraining tube sleeve belly steel plate
Composition, wherein the concrete structure shape of each parts and annexation each other are as described below.
Fig. 1-10 shows a kind of embodiment of channel-section steel restraining sleeve in-line clean steel buckling restrained brace of the present invention, bag
Include the core plate 1 that cross section is in-line and the restraining tube sleeve 4 and belly steel plate 7 that are set on core plate, restraining tube set
Each one piece of 10mm ~ 20mm of weld all around steel plate 2 on the outside of the channel-section steel of cylinder 4 end two.Core plate 1 peripherally constrains the internal height side of sleeve 4
To each retraction 5mm up and down, the distance between the two ends of core plate 1 is to the inner length scope of restraining tube sleeve 4 since variable cross-section end
Terminate, one piece of 10mm ~ 20mm of weld all around steel plate, the outer wrap soap-free emulsion polymeization material of core plate 1 on the outside of the end channel-section steel of restraining tube sleeve 4
The bed of material 5, by the core plate 1 of the parcel of non-cohesive material layer 5 in the center position of core plate, the respectively corresponding abdomen with both sides
Portion's steel plate 7 opens plug welding hole and the plug welding of belly steel plate 7 connects together.Such as Fig. 8, shown in 9, in the section of restraining tube sleeve 4
Two channel-section steel opening directions can be simultaneously inwardly or outwardly or reversely combined simultaneously.Steel plate length is 1 ~ 2 times of restraining tube set
The height of cylinder 4, width is two pieces of outside spacing widths of belly steel plate 7, and length direction starting point is periphery from the end of restraining tube sleeve 4
Constrain 1.5 ~ 3 times of 4 abdomen wall thickness of slab of sleeve.When channel-section steel opening direction simultaneously inwardly or reversely when, the channel-section steel wing of restraining tube sleeve 4
Edge is slotted in the position of the stiffener 6, makes the stiffener 6 outside the channel-section steel edge of a wing of restraining tube sleeve 4.
According to China《Code for design of steel structures》If only using linear contact lay about in two sides of " one " font core cell
Beam, and ensure that the flakiness ratio of core steel plate is not more thanDo not occur local buckling destruction with regard to it can be made, and the condition
Readily satisfy very much.So for the design of buckling restrained brace, it is only necessary to ensure its resistance to overturning, so that greatly
The big construction measure for simplifying clean steel type buckling restrained brace so that steel using amount is less, processing and manufacturing speed is faster, and quality is more
It is easily controlled, economy is more preferable with practicality.
The restraining tube sleeve being made up of channel-section steel 4 and steel plate 7 is as the important component of buckling restrained brace, its bending resistance
Intensity needs to meet, just can ensure that core plate is in ideal axial direction and draws, presses stress and produce resistance to compression
Plastic deformation, so that bending and stretching constraint support plays superior energy-dissipating property.
In formulaFor the length of buckling restrained brace,For steel modulus of elasticity,For steel pipe sleeve the moment of inertia,For core
The surrender section area of section of plate,For the yield strength of steel.
Present invention additionally comprises the preparation method that both sides constrain in-line clean steel buckling restrained brace, comprise the following steps：
(1) according to surrender bearing capacity and yield displacement requirement, the size of selection " one " font core plate 1, it is ensured that its is generous
Than meeting design requirement.
(2) thickness and chi of restraining tube sleeve 4 and belly steel plate 7 are determined according to support surrender bearing capacity and length
It is very little, it is met monolithic stability requirement.
(3) core plate 1 is made, the core plate 1 peripherally constrains the internal height direction of sleeve 4 and is respectively retracted 5mm, core plate up and down
The distance at 1 two ends is to the inner length end of extent (EOE) of restraining tube sleeve 4 since variable cross-section end；
(4) stiffener 6 is welded on to two surfaces at the two ends of core plate 1 with butt weld, then wrapped with non-cohesive material layer 5
Wrap up in peripheral four faces of the core plate 1.
(5) side plate of two blocks of belly steel plates 7 is slotted, in the center line and above-mentioned stiffener 6 of height and position of slotting
Heart line is overlapped, and groove width is equal to thickness and non-cohesive material layer 5 thickness of the thickness plus weld seam of stiffener 6, slotting length
Equal to the length that length of the above-mentioned stiffener 6 in restraining tube sleeve adds 1/50 buckling restrained brace, above-mentioned restraining tube
Groove depth direction in sleeve 4 is semicircle, makes above-mentioned stiffener 6 exposed to the outside of restraining tube sleeve 4.
(6) when channel-section steel opening direction simultaneously inwardly or reversely when, the channel-section steel edge of a wing of restraining tube sleeve 4 described plus
The position of strength plate 6 can slot, and make the stiffener 6 outside the channel-section steel edge of a wing of restraining tube sleeve 4.
(7) two corner welding of channel-section steel 4 composition restraining tube sleeves 4 by above-mentioned two blocks of belly steel plates 7 and up and down；Periphery
The interior a width of above-mentioned thickness of core plate 1 for constraining sleeve belly steel plate 7 adds the thickness of two sides non-cohesive material 5, makes above-mentioned soap-free emulsion polymeization
The core plate 1 that material layer 5 is wrapped up is close in above-mentioned restraining tube sleeve 4.
(8) plug welding hole is opened in the corresponding belly steel plate in the center of core plate 1, the core plate 1 corresponding abdomen with both sides respectively
Portion's steel plate 7 opens plug welding hole and the plug welding of belly steel plate 7 connects together.
(9) in each one piece of 10mm ~ 20mm of weld all around in the outside of restraining tube sleeve 4 end two channel-section steel 2 steel plate 2, steel plate 2
Length is 1 ~ 2 times of sleeve height, and width is the outside spacing width of belly steel plate 7, and starting point along its length is from restraining tube
The distance of sleeve ends is 1.5 ~ 3 times of restraining tube sleeve belly wall panel thickness.
In summary, this channel-section steel restraining sleeve in-line clean steel buckling restrained brace need not use packing material, completely according to
Stable effect of contraction is played by construction itself, it is to avoid buckling problem of the compression core plate under elasticity and plastic stage, can be very big
Ground improves steel utilization ratio, reduces rolled steel dosage；Meanwhile, above and below the present invention two channel-section steel opening directions can simultaneously inwardly,
Simultaneously outwardly, reversely etc. any combination.It is simple due to making, it is easy to assembly, shorten the processing duration, processing and fabricating cost compared with
Low, this is beneficial to standardized work and large-scale production.So, the present invention effectively overcomes various shortcoming of the prior art
And have high industrial utilization.
Claims (1)
1. a kind of channel-section steel restraining sleeve in-line clean steel buckling restrained brace, including cross section is the core plate (1), fixed of in-line
Stiffener (6), non-cohesive material layer (5) and the periphery being set on the core plate (1) at the core plate (1) two ends center
Constrain sleeve (4) and belly steel plate (7), it is characterised in that：Lower section is channel-section steel, the abdomen on the restraining tube sleeve (4)
Portion's steel plate (7) is surrounded by general steel plate, and inside is the section of rectangle；The variable cross-section of the core plate (1) is in restraining tube sleeve (4)
Internal short transverse is respectively retracted 5mm up and down；One piece of 10mm ~ 20mm of weld all around on the outside of the channel-section steel of restraining tube sleeve (4) end
Steel plate, the outer wrap non-cohesive material layer (5) of the core plate (1), by the core of non-cohesive material layer (5) parcel
Plate (1) is in the center position of core plate, and corresponding belly steel plate (7) opens plug welding hole and the belly steel plate (7) with both sides respectively
Plug welding connects together；Specific make step is as follows：
1) restraining tube sleeve (4) is made, surrounding inner section with two channel-section steels and belly steel plate (7) of equal length is
The combining structure of rectangle, two channel-section steels are welded and fixed with the two blocks of belly being connected steel plates respectively, two channel-section steel openings
Direction can be combined outwardly or reversely inwardly or simultaneously simultaneously according to design requirement；
2) core plate (1) is made, the variable cross-section of the core plate (1) respectively contracts up and down in the internal short transverse of restraining tube sleeve (4)
Enter 5mm；
3) on the outside of the channel-section steel of restraining tube sleeve (4) end two each one piece of 10mm ~ 20mm of weld all around steel plate, the steel
Plate length is 1 ~ 2 times of sleeve height, and width is spacing widths outside two pieces of belly steel plates (7), starting point along its length from
The distance of restraining tube sleeve (4) end is 1.5 ~ 3 times of restraining tube sleeve (4) belly wall panel thickness；
4) in the core plate (1) center position, corresponding belly steel plate (7) opens plug welding hole with both sides respectively；
5）Peripheral four faces of the core plate (1) are wrapped up with non-cohesive material layer (5)；
6）By the groove at side surface of the belly steel plate (7), the slot center line of height and position and the center line of the stiffener (6)
Overlap, groove width is equal to thickness and non-cohesive material layer (5) thickness of thickness plus weld seam of the stiffener (6), fluting
Length is equal to length of the stiffener (6) in the restraining tube sleeve (4) and adds buckling restrained brace described in 1/50
Groove depth direction in length, the restraining tube sleeve (4) is semicircle, the stiffener (6) is exposed to the restraining tube
Outside sleeve (4)；
7）When channel-section steel opening direction simultaneously inwardly or reversely when, restraining tube sleeve (4) the channel-section steel edge of a wing is put more energy into described
The position fluting of plate (6), makes the stiffener (6) outside restraining tube sleeve (4) the channel-section steel edge of a wing；
8）The core plate (1) and the restraining tube sleeve (4) plug welding connect together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225551.2A CN104763072B (en) | 2015-05-05 | 2015-05-05 | Channel-section steel restraining sleeve in-line clean steel buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225551.2A CN104763072B (en) | 2015-05-05 | 2015-05-05 | Channel-section steel restraining sleeve in-line clean steel buckling restrained brace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763072A CN104763072A (en) | 2015-07-08 |
| CN104763072B true CN104763072B (en) | 2017-11-07 |
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| CN201510225551.2A Expired - Fee Related CN104763072B (en) | 2015-05-05 | 2015-05-05 | Channel-section steel restraining sleeve in-line clean steel buckling restrained brace |
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| CN (1) | CN104763072B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927018A (en) * | 2016-04-21 | 2016-09-07 | 天津大学 | Building structure all-steel buckling-restrained brace in reduced local strength, and manufacturing method thereof |
| CN108213807B (en) * | 2016-12-22 | 2023-12-12 | 宇通客车股份有限公司 | Flexible welding fixture |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5216050B2 (en) * | 2010-06-15 | 2013-06-19 | 三菱重工業株式会社 | Hysteretic damper structure |
| CN202055339U (en) * | 2011-01-28 | 2011-11-30 | 上海丹木钢结构技术有限公司 | All-steel manufactured double-tube buckling restrained brace |
| CN102900167B (en) * | 2012-09-28 | 2014-10-22 | 同济大学 | Bilaterally-restrained in-line pure steel buckling restraint support and manufacturing method thereof |
| CN103835386A (en) * | 2014-02-28 | 2014-06-04 | 清华大学 | Hinged rectangular-pipe assembled buckling restrained brace with end rotation limiting function |
| CN104005490B (en) * | 2014-04-12 | 2017-02-15 | 北京工业大学 | Anti-buckling limit support member for reinforcing post-yield stiffness |
| CN205171719U (en) * | 2015-05-05 | 2016-04-20 | 上海源同建筑科技有限公司 | Restraint of groove steel sleeve restraint in -line clean steel bucking is supported |
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| CN104763072A (en) | 2015-07-08 |
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Inventor after: Wu Zhiping Inventor after: Hu Dazhu Inventor before: Wu Zhiping |
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Effective date of registration: 20170930 Address after: 200235 Xuhui District, Caobao Road, No. 103, Applicant after: Shanghai Institute of Technology Address before: 200090 302G room, No. 1121 north two road, Yangpu District, Shanghai, Zhongshan Applicant before: Source, Shanghai is with building technology Co., Ltd |
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