CN207032556U - Buckling restrained brace and building containing yi word pattern dissipative cell - Google Patents
Buckling restrained brace and building containing yi word pattern dissipative cell Download PDFInfo
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- CN207032556U CN207032556U CN201720905575.7U CN201720905575U CN207032556U CN 207032556 U CN207032556 U CN 207032556U CN 201720905575 U CN201720905575 U CN 201720905575U CN 207032556 U CN207032556 U CN 207032556U
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Abstract
The utility model discloses a kind of buckling restrained brace and building containing yi word pattern dissipative cell, belongs to civil structural engineering resistance external force member arts.Buckling restrained brace of the present utility model containing yi word pattern dissipative cell includes telescopic interior confining part, the outer confining part being set in outside interior confining part, the yi word pattern dissipative cell between interior confining part and outer confining part；Interior confining part includes the first square steel tube and the second square steel tube of socket connection；Yi word pattern dissipative cell includes 4 yi word pattern core plates, and the both ends of 4 yi word pattern core plates are bolted on four faces of the first square steel tube and the second square steel tube respectively；The inner section of outer confining part is square, and for being coated on the outside of yi word pattern dissipative cell, certain interval is provided between outer confining part and yi word pattern dissipative cell.Simple, the convenient recycling of buckling-restrained component is dismantled and changed to the utility model.
Description
Technical field
Civil structural engineering resistance external force component technology field is the utility model is related to, one kind is particularly related to and contains yi word pattern
The buckling restrained brace and building of dissipative cell.
Background technology
In multilayer or high-story house steel structure system, framework is most basic unit.It is higher that support has steel frame
Anti-side rigidity and intensity, reduce earthquake when framework lateral displacement, avoid or reduce the destruction to unstructuredness component.Flexing
The shortcomings that constraint support overcomes common support compressive buckling, the energy dissipation capacity of support is improved, reduce support tension and compression carrying
The difference in size of power, also make computer simulation simpler.
Buckling restrained brace in new building structure and existing is built after 1994 Nian Bei ridges earthquakes and nineteen ninety-five Osaka-Kobe earthquake
Application increases considerably in terms of building the transformation of thing.Various high-performance buckling restrained braces emerge in an endless stream.But current common bend
Following limitation be present in song constraint support：
1) remove and change cumbersome：The dissipative cell of buckling restrained brace needs to consume the energy of Seismic input in earthquake
Amount, power consumption inevitably cause the damage or fracture of dissipative cell, therefore in aftershock or subsequent coming earthquake,
The energy-dissipating and shock-absorbing effect of buckling restrained brace may have a greatly reduced quality.For existing buckling restrained brace, especially with filling
Mortar or other brittle non-metal packing materials in steel pipe realize the buckling-restrained of buckling-restrained mechanism to dissipative cell
Support, after violent earthquake, if to be detected to the damage of dissipative cell, it is necessary to remove outer confining part, this is not only operated
Please it is also possible to that support can be caused to damage.Even if special technological means confirms to be necessary to change the buckling-restrained branch damaged
Support, the dismounting of existing buckling restrained brace and the installation of new buckling restrained brace may be very cumbersome, and reason has a lot, such as
The construction operation space of buckling restrained brace end is very limited, especially when buckling restrained brace and the node of framework junction
When plate is completely or partially blocked by ceiling or other non-structural elements.Many existing common buckling restrained braces lead in addition
Weld seam is crossed with the gusset plate of connection framework to be connected, so changing whole support certainly will need to apply secondary welding on gusset plate,
Secondary welding is not only difficult to apply, and quality can not ensure, and fuel factor caused by welding can influence the mechanical property of gusset plate,
Reduce the bearing capacity and fatigue behaviour newly supported.
2) reusable edible is poor：One buckling restrained brace reasonable in design should be by Damage Coutrol in dissipative cell
In constraint surrender section, and buckling-restrained component should remain elasticity, however, flexing in many traditional buckling restrained braces now
The recycling rate of waterused of confining part is very low, and this is highly detrimental to the target for realizing the design based on sustainable development idea.
Utility model content
The utility model provides a kind of dismounting and changed simply, and the convenient recycling of buckling-restrained component contains yi word pattern
The buckling restrained brace and building of dissipative cell.
In order to solve the above technical problems, the utility model offer technical scheme is as follows：
On the one hand, the utility model provides a kind of buckling restrained brace containing yi word pattern dissipative cell, as framework knot
The support of structure, including telescopic interior confining part, be set in outside the interior confining part outer confining part, positioned at described
Yi word pattern dissipative cell between interior confining part and outer confining part, wherein：
The interior confining part includes the first square steel tube and the second square steel tube of two length and outer cross section size all same,
First square steel tube and the second square steel tube socket connection, the end of first square steel tube and the second square steel tube away from each other are used
It is connected in frame structure；
The yi word pattern dissipative cell includes 4 yi word pattern core plates, the both ends difference bolt connection of 4 yi word pattern core plates
On four faces of first square steel tube and the second square steel tube, the on both sides of the middle of the yi word pattern core plate has grooving/otch, shape
Into the surrender section being weakened, both ends are non-compliant section not be weakened；
The inner section of the outer confining part is described for being coated on the outside of the yi word pattern dissipative cell to be square
Certain interval is provided between outer confining part and the yi word pattern dissipative cell.
Further, be provided with intermediate rib along its length on the outer surface of the surrender section, the outer confining part with
The intermediate rib bolt connection.
Further, first square steel tube is identical with second party steel pipe sizes, first square steel tube and the second square steel
Connected between pipe by plug connector, the plug connector is square steel tube, and circumferentially direction is provided with the middle part of the plug connector and is hung down
Directly in the rib of square steel tube plane, the outer cross section size of the plug connector is less than the inner section size of first square steel tube, described
One end of plug connector and first party steel-pipe welding or grafting, the other end are inserted in second square steel tube.
Further, the length of first square steel tube and the second square steel tube is 100~5000mm, first square steel
Spacing between pipe and the second square steel tube is 20~500mm, between the outer wall of the plug connector and the inwall of the second square steel tube
Gap is 1~10mm, and the length that the plug connector is inserted into the second square steel tube is 20~800mm.
Further, it is provided with described non-compliant section of Outboard Sections and first square steel tube and second party steel pipe connecting
The bolt hole connect, described non-compliant section include be provided with bolt hole without constraint linkage section, be not provided with bolt hole and not by it is outer about
Beam component cladding without non-compliant section of constraint and non-compliant section of constraint being not provided with bolt hole and coated by outer confining part, it is described
Outer confining part be coated on it is described surrender section and constraint non-compliant section on, it is described surrender section be by the interior confining part and it is outer about
The constraint surrender section of beam component constraint.
Further, non-compliant section not be weakened is provided with the middle part of the surrender section of the yi word pattern core plate, in formation
Between constrain non-compliant section, the length of non-compliant section of the intermediate restraint is more than buckling restrained brace and the carrying of design maximum tension occurs
Spacing described in during force deformation between the first square steel tube and the second square steel tube, it is non-in the wrong that the intermediate rib is arranged on the intermediate restraint
Take in section；Non-compliant section of the constraint and without being provided with end rib along its length on non-compliant section of outer surface of constraint.
Further, the outer confining part is formed by 4 W-shaped steel plate snappings, the connection of adjacent W-shaped steel crab bolt, institute
It is 1~5mm to state the gap between outer confining part and the yi word pattern dissipative cell, and soap-free emulsion polymeization material is filled with the gap
Material.
Further, circular hole is provided with the middle part of the intermediate rib, the both sides of the circular hole are provided with slotted hole, adjacent
Bolt between two W-shaped steel plates passes through the circular hole and slotted hole, and pad is provided between adjacent two W-shaped steels plate；The constraint
Transition region between non-compliant section, constraint surrender section and non-compliant section of intermediate restraint adds camber line for camber line, straight line or straight line.
On the other hand, the utility model provides a kind of building, includes the above-mentioned flexing containing yi word pattern dissipative cell
Constraint support.
The utility model has the advantages that：
Compared with prior art, buckling restrained brace and building of the present utility model containing yi word pattern dissipative cell,
It is connected by screw bolts, is easy for installation and removal between interior confining part and yi word pattern dissipative cell, is easy to after earthquake to a word
Type dissipative cell carries out damage check and replacing；Buckling restrained brace of the present utility model containing yi word pattern dissipative cell, peace
During dress, the first square steel tube of interior confining part and the second square steel tube socket connection, then 4 yi word pattern core plates are bolted to
On four faces of the first square steel tube and the second square steel tube, outer confining part is finally coated on to the outside of yi word pattern core plate, by
, can be by damage concentration in the surrender section of yi word pattern core plate when drawing or being pressurized, interior confining part and outer confining part be still after earthquake
Elasticity is so kept, repeats and utilizes, it is only necessary to change yi word pattern core plate, buckling restrained brace can recover energy-dissipating and shock-absorbing function.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the buckling restrained brace of the present utility model containing yi word pattern dissipative cell；
Fig. 2 is the broken away view of each part of the buckling restrained brace of the present utility model containing yi word pattern dissipative cell；
Fig. 3 is the connection diagram of yi word pattern dissipative cell of the present utility model and interior confining part；
Fig. 4 is the first embodiment schematic diagram of interior confining part of the present utility model；
Fig. 5 is second of embodiment schematic diagram of interior confining part of the present utility model；
Fig. 6 is the structural representation of the plug connector of interior confining part of the present utility model；
Fig. 7 is the composition form schematic diagram of the plug connector of interior confining part of the present utility model；
Fig. 8 is the structural representation of the first square steel tube of interior confining part of the present utility model；
Fig. 9 is the stereogram of yi word pattern core plate of the present utility model；
Figure 10 is Fig. 9 top view；
Figure 11 is Fig. 9 side view；
Figure 12 is the different structure form schematic diagram of yi word pattern core plate of the present utility model；
Figure 13 is the first embodiment schematic cross-section of outer confining part of the present utility model, wherein：(a) it is 4 W
The schematic cross-section of shape steel plate snapping, (b) are single W-shaped steel plate schematic cross-section；
Figure 14 is second of embodiment schematic cross-section of outer confining part of the present utility model, wherein：(a) it is 4 W
The schematic cross-section of shape steel plate snapping, (b) are single W-shaped steel plate schematic cross-section；
Figure 15 is the third embodiment schematic cross-section of outer confining part of the present utility model, wherein：(a) it is 4 W
The schematic cross-section of shape steel plate snapping, (b) are single W-shaped steel plate schematic cross-section；
Figure 16 is the schematic cross-section after the first embodiment of outer confining part of the present utility model is completed, its
In：(a) correspond to schematic cross-section at end rib, (b) is that schematic cross-section is corresponded at intermediate rib, and (c) is to be not provided with rib pair
Answer schematic cross-section；
Figure 17 is test specimen A1 to A6 hysteresis loop.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
On the one hand, the utility model provides a kind of buckling restrained brace containing yi word pattern dissipative cell, as framework knot
The support of structure, as shown in Fig. 1 to Figure 16, including telescopic interior confining part 1, be set in outside interior confining part 1 it is outer about
Beam component 2, the yi word pattern dissipative cell between interior confining part 1 and outer confining part 2, wherein：
Interior confining part 1 includes two length and the first square steel tube 1-1 of outer cross section size all same and the second square steel tube
1-2, the first square steel tube 1-1 and the second square steel tube 1-2 socket connections, the first square steel tube 1-1 and the second square steel tube 1-2 are away from each other
End be used for be connected with frame structure, specifically, the first square steel tube 1-1 or the second square steel tube 1-2 outer end surrounding can be opened
Bar-shaped trough, by connecting plate 1-3 or directly it is connected with the gusset plate of frame structure, as shown in figure 8, connecting plate 1-3 section
For cross, criss-cross connecting plate 1-3 is welded on the first square steel tube 1-1 and the second square steel tube 1-2 outer end, interior confining part
1 the first square steel tube 1-1 and the second square steel tube 1-2 can be with relative motion, after mounting on axis of support direction, it is to be ensured that bends
Song constraint is supported on when deform by design maximum Compressive Bearing Capacity, and the first square steel tube 1-1 and the mutual of the second square steel tube 1-2 lean on
Near outer cross section size identical end will not contact with each other, when being deformed by design maximum tensile bearing capacity, the first square steel
Pipe 1-1 and the second square steel tube 1-2 end adjacent to each other will not deviate from mutually；It is worth noting that, meeting tension and compression stress
Under conditions of, the first square steel tube 1-1 and the second square steel tube 1-2 can also be rectangular tube or the steel pipe of other cross sectional shapes,
Those skilled in the art can flexibly select, and not influence creativeness of the present utility model；In addition, maximum of the present utility model is set
It is that those skilled in the art design according to the loading characteristic of specific frame structure to count tension/Compressive Bearing Capacity.
Yi word pattern dissipative cell includes 4 yi word pattern core plates 3, and the both ends of 4 yi word pattern core plates 3 are bolted to respectively
On first square steel tube 1-1 and the second square steel tube 1-2 four faces, bolt herein can use the blind hole spiral shell for meeting design requirement
Bolt or the sufficiently long high-strength bolt of screw rod etc., the first square steel tube 1-1 and the second square steel tube 1-2 can be according to design attitudes and size
Open bolt hole, on same face, the arrangement mode of bolt hole can select side by side or stagger arrangement, the opening of bolt hole can neither make spiral shell
Bolt interacts, and can not influence the relatively movable of the first square steel tube 1-1 and the second square steel tube 1-2 again, be opened on parallel two faces
Hole can be consistent, and vertical two face perforates can stagger, and concrete operations can be depending on the bolt type actually used.
The on both sides of the middle of yi word pattern core plate 3 has grooving/otch 4, forms the surrender section 3-1 being weakened, and both ends are not cut
Non-compliant section of weak 3-2；
The inner section of outer confining part 2 is square, for being coated on the outside of yi word pattern dissipative cell, outer confining part 2
Certain interval is provided between yi word pattern dissipative cell.
Compared with prior art, the buckling restrained brace of the present utility model containing yi word pattern dissipative cell, interior constraint structure
It is connected by screw bolts, is easy for installation and removal between part and yi word pattern dissipative cell, is easy to after earthquake the member that consumed energy to yi word pattern
Part carries out damage check and replacing；Buckling restrained brace of the present utility model containing yi word pattern dissipative cell, during installation, inside about
Then 4 yi word pattern core plates are bolted to the first square steel by the first square steel tube of beam component and the second square steel tube socket connection
On four faces of pipe and the second square steel tube, outer confining part is finally coated on to the outside of yi word pattern core plate, tension or in compression
When, can be by damage concentration in the surrender section of yi word pattern core plate, interior confining part and outer confining part remain in that bullet after earthquake
Property, repeat and utilize, it is only necessary to change yi word pattern core plate, buckling restrained brace can recover energy-dissipating and shock-absorbing function.
Further, as shown in figure 9, being preferably provided with intermediate rib 3-3 along its length on surrender section 3-1 outer surface,
Outer confining part 2 and intermediate rib 3-3 bolt connections, intermediate rib 3-3 can not only constrain yi word pattern core plate 3 in support pressure effect
Inside flexing down, outer confining part 2 can also be limited larger slip occurs relative to yi word pattern dissipative cell.
Further, the first square steel tube 1-1 and the second square steel tube 1-2 sizes preferably identical (i.e. length, thickness, outer cross section
It is identical), material is preferably also identical, as shown in Figures 4 to 6, passes through grafting between the first square steel tube 1-1 and the second square steel tube 1-2
Part 1-4 connections, plug connector 1-4 are square steel tube, and plug connector 1-4 one end is welded with the first square steel tube 1-1 or grafting, the other end are inserted
Enter in the second square steel tube 1-2, as plug connector 1-4 and the first square steel tube 1-1 grafting, be preferably provided with the middle part of plug connector 1-4
Circumferentially direction and perpendicular to the rib 1-5 (during welding then need not) of square steel tube plane, prevents plug connector 1-4 from sliding into first party
In steel pipe 1-1 or the second square steel tube 1-2, it is notable that rib 1-5 Outside Dimensions are no more than the first square steel tube 1-1 or the
The size of two square steel tube 1-2 outermosts, does not influence the installation of yi word pattern dissipative cell, and plug connector 1-4 outer cross section size is less than
First square steel tube 1-1 and the second square steel tube 1-2 inner section size, both ensured that the second square steel tube 1-2 and plug connector 1-4 can be certainly
By relative slip, it is effective to ensure that the first square steel tube 1-1 and the second square steel tube 1-2 play comparison to yi word pattern dissipative cell again
Interior effect of contraction.
Preferably, the first square steel tube 1-1 and the second square steel tube 1-2 length can be 100~5000mm, installation
Afterwards, the spacing between the first square steel tube 1-1 and the second square steel tube 1-2 is 20~500mm, i.e. the first square steel tube 1-1 and second party
The distance of end close to each other steel pipe 1-2 will meet that design maximum tension/Compressive Bearing Capacity deformation of buckling restrained brace will
Ask；Gap between plug connector 1-4 outer wall and the second square steel tube 1-2 inwall is preferably 1~10mm, ensures plug connector 1-4
Can be slidably with the second square steel tube 1-2；The length that first plug connector 1-4 is inserted into the second square steel tube 1-2 is preferably 20~
800mm, buckling restrained brace is prevented in tension, plug connector 1-4 deviates from the second square steel tube 1-2.
It is worth noting that, as shown in fig. 7, plug connector 1-4 square steel tube can use integrally formed steel pipe, two sides
Pipe is welded or the diversified forms such as steel plate and shaped steel welding, as long as meeting design requirement, does not influence of the present utility model
Implement.
Preferably, as shown in figure 9, being provided with non-compliant section of 3-2 Outboard Sections and the first square steel tube 1-1 and second party
The bolt hole 3-2-1 of steel pipe 1-2 connections, non-compliant section of 3-2 include being provided with bolt hole 3-2-1 without constraint linkage section 3-2-2,
Be not provided with bolt hole 3-2-1 and not by outer confining part 2 coat without non-compliant section of 3-2-3 of constraint and be not provided with bolt hole 3-2-
1 and non-compliant section of 3-2-4 of constraint for being coated by outer confining part 2, outer confining part 2 are coated on surrender section 3-1 and constrain non-bend
Take on section 3-2-4, the dotted line in Fig. 9 is wrapped position of the outer confining part 2 in yi word pattern core plate 3, is without constraint on the left of dotted line
Non-compliant section of 3-2-3, dotted line right side are non-compliant section of 3-2-4 of constraint, and surrender section 3-1 is by interior confining part 1 and outer constraint structure
The constraint surrender section that part 2 constrains.It is worth noting that, non-compliant section of 3-2-4 of constraint length wants long enough, in buckling-restrained branch
The constraint of endless total detachment outer confining part 2 during the deformation of design maximum tensile bearing capacity, non-compliant section of 3-2-3 of no constraint are born in support
Length it is suitable, it is ensured that when buckling restrained brace deform by design maximum Compressive Bearing Capacity, no constraint linkage section 3-2-2 and
Distance is still left between the end of outer confining part 2.
As a kind of improvement of the present utility model, due to the first square steel tube 1-1 and the second square steel tube 1- of interior confining part 1
Gap between 2, plug connector 1-4 sectional dimension is small, and effect of contraction is poor, in the surrender section 3-1 of yi word pattern core plate 3
Portion is preferably provided with non-compliant section not be weakened, forms non-compliant section of 3-4 of intermediate restraint, non-compliant section of 3-4's of intermediate restraint
Length is preferably greater than buckling restrained brace and the first square steel tube 1-1 and the second square steel tube during the deformation of design maximum tensile bearing capacity occurs
Spacing between 1-2 end close to each other, intermediate rib 3-3 are arranged on non-compliant section of 3-4 of intermediate restraint, intermediate rib 3-3
Also non-compliant section of 3-4 of intermediate restraint intensity is strengthened, intermediate restraint non-compliant section of 3-4 and intermediate rib 3-3 setting, is reduced
The stress intensity of yi word pattern dissipative cell and damage concentration degree at plug connector 1-4, plastic deformation is all controlled and surrendered in constraint
Section；Constrain non-compliant section of 3-2-4 and without constraint non-compliant section of 3-2-3 outer surface on be provided with end rib 3-5 along its length,
To avoid constraining non-compliant section of 3-2-4 and local buckling occurring without non-compliant section of 3-2-3 of constraint, end rib 3-5 is preferably extended over
To without constraint linkage section 3-2-2, end rib 3-5 rib height can not be too high, not encounter the connecting bolt of outer confining part 2.
Yi word pattern core plate 3 passes through to be included without constraint linkage section 3-2-2, without non-compliant section of 3-2- of constraint successively
3rd, non-compliant section of non-compliant section of 3-2-4, constraint surrender section, non-compliant section of 3-4 of intermediate restraint, constraint surrender section, constraint 3- are constrained
2-4, without constraint non-compliant section of 3-2-3 and without constraint linkage section 3-2-2；When yi word pattern core plate 3 is processed, yi word pattern plate is first cut,
Then intermediate rib 3-3 and two end rib 3-5, intermediate rib 3-3 are welded and end rib 3-5 is preferably remained on same straight line, held
Portion rib 3-5 is welded on non-compliant section of 3-2-4 of constraint and without on non-compliant section of 3-2-3 of constraint, it is preferred that end rib 3-5 can be fitted
When extending to without constraint linkage section 3-2-2, but can not influence to turn bolt, end rib 3-5 weld seam had better not extend to about
Beam surrenders section, avoids the intensity and endurance, lesion capability of remaining influence of thermal deformation yi word pattern dissipative cell.
In the utility model, outer confining part 2 is preferably formed by 4 W-shaped steel plate 2-1 snappings, adjacent W-shaped steel plate 2-1 spiral shells
Tether and connect, convenient dismounting.Gap between outer confining part 2 and yi word pattern dissipative cell is 1~5mm, is preferably filled out in the gap
Filled with non-cohesive material, non-cohesive material can be lubricating oil, soft glass or teflon material etc., can also be as the case may be
Flexibly selection, non-cohesive material can reduce yi word pattern dissipative cell when high-order bending deformation occurs for yi word pattern dissipative cell
With the frictional force between interior confining part 1 and outer confining part 2.
As another improvement of the present utility model, circular hole 3-3-1 is provided with the middle part of intermediate rib 3-3, the two of circular hole 3-3-1
The bolt that side is preferably provided between slotted hole 3-3-2, adjacent two W-shaped steels plate 2-1 passes through circular hole 3-3-1 and slotted hole 3-3-
2, the outer bending deformation of the yi word pattern dissipative cell generating surface between the bolt hole on W-shaped steel plate 2-1 is prevented, avoids outer confining part
2 parts bear bigger axial force.Yi word pattern core plate 3 by intermediate rib 3-3 circular hole 3-3-1 and slotted hole 3-3-2 with it is outer
Confining part 2 connects, it is therefore prevented that the inside side bending deformation of yi word pattern dissipative cell, also prevent outer confining part 2 and yi word pattern
Larger Relative sliding occurs for dissipative cell, and during bolt connection, intermediate rib 3-3 is corresponded at section, screw bolt passes W-shaped steel plate
2-1, intermediate rib 3-3 and W-shaped steel plate 2-1, if the intermediate rib 3-3 or end rib 3-5 of yi word pattern core plate 3 foot welding height are higher,
Suitable pad 5 can be increased at intermediate rib both ends, as shown in Figure 16 (b)；Suitable pad can also be increased and decreased at end rib
5, as shown in Figure 16 (a), screw bolt passes W-shaped steel plate 2-1, pad 5 and W-shaped steel plate 2-1；It is being not provided with rib, can also
Pad 5 is set, as shown in Figure 16 (c).
It is worth noting that, W-shaped steel plate 2-1 can be formed using steel plate cold bending in outer confining part 2, steel can also be used
Plate or shaped steel are welded, and when ensureing by maximum pressure local buckling does not occur for the selection of W-shaped steel plate 2-1 thickness,
It is contemplated that increase appropriate rib on W-shaped steel plate 2-1 to improve the intensity of outer confining part, as shown in Figure 14 and Figure 15.
Further, as shown in figure 12, the form of yi word pattern core plate 3 has many kinds, non-compliant section of 3-2-4 of constraint, constraint
Transition region between non-compliant section of 3-4 of surrender section and intermediate restraint can be that camber line, straight line or straight line add camber line.
On the other hand, the utility model provides a kind of building, including the above-mentioned flexing containing yi word pattern dissipative cell
Constraint support.Because structure is same as described above, here is omitted.
Another further aspect, the utility model also provide a kind of above-mentioned buckling restrained brace containing yi word pattern dissipative cell
Assemble method, including：
Step 1：By plug connector 1-4 one end and the first square steel tube 1-1 is welded or grafting (being prefabrication during welding),
The other end is inserted into the second square steel tube 1-2, confining part 1 in formation, between the first square steel tube 1-1 and the second square steel tube 1-2
Spacing distance and the distances that are inserted into the second square steel tube 1-2 of plug connector 1-4 to meet that the maximum of buckling restrained brace is set
Count tension/Compressive Bearing Capacity deformation requirements；
Step 2：Weld intermediate rib 3-3 along its length on the outer surface of yi word pattern dissipative cell and end rib 3-5 is (excellent
Choosing, intermediate rib 3-3 and end rib 3-5 complete in factory process), adjust between the first square steel tube 1-1 and the second square steel tube 1-2
Spacing, and by yi word pattern dissipative cell without constraint linkage section 3-2-2 be bolted to the first square steel tube 1-1 and the second square steel
On pipe 1-2；
Step 3：The intermediate rib 3-3 of yi word pattern dissipative cell is bolted between adjacent two W-shaped steels plate 2-1,
Then by adjacent two W-shaped steels plate 2-1 bolt connections two-by-two.
Buckling restrained brace of the present utility model containing yi word pattern dissipative cell, with reference to Shanghai City engineering construction standard
《High-rise building steel structure design discipline》(DG/TJ08-32-2008) (the high steel rule in abbreviation Shanghai City),《Seismic Design of Building is advised
Model》(GB50011-2010) (referred to as anti-rule), Shanghai City building products is recommendatory applies standard《TJ buckling restrained brace applications
Technical regulation》(DBJ/CT105-2011) (abbreviation TJ constraint support code) and《Build energy-dissipating and shock-absorbing technical regulation》
(JGJ297-2013) (abbreviation damping code) carries out performance test, specific as follows：
Specification definition support net a length of L anti-rule, the high steel rule in Shanghai City and TJ constraint support regulatory requirements exist successively to test specimen
L/300, L/200, L/150 and L/100 each 3 strength degradations not produced more than 15% of displacement amplitude tension and compression；Anti- rule, damping
Code and TJ constraint support regulatory requirements test specimens circulate 30 intensity not produced more than 15% on L/150 displacement amplitude and moved back
Change.
Table 1
Table 1 is the basic parameter of the buckling restrained brace containing yi word pattern dissipative cell, and this experiment assumes constraint surrender
Duan overall lengths are 0.50 times of bearing length L, are applied with the 30 cycle constant amplitudes loading that displacement amplitude corresponds to L/150 to test specimen A5 successively
L/300, L/200, L/150 and L/100, every grade of loading of the amplification of 3 weeks are corresponding in turn to displacement amplitude.In constant amplitude loading, tension
Strength degradation is 3.5%, and compressive strength meets the requirement within 15%.In luffing loading procedure, do not occur substantially (exceeding
15%) strength and stiffness are degenerated, and meet code requirement.
In table 1, according to the regulation in U.S. norm AISC 341-16 (AISC 2016), the accumulation modeling of each test specimen is calculated
Property deformation (CPD), the suggestion lower limit that the accumulating plastic deformation of each test specimen provides more than AISC 341-16 (AISC 2016)
200, wherein test specimen A5 CPD has reached 2859.
In table 1, maximum pressure Lapie's β value of each test specimen is respectively less than higher limit 1.3 as defined in AISC 341-16, meets specification
It is required that.
Also, according to test specimen parameter in table 1, obtained hysteresis loop, in Figure 17 (a) to (f) be respectively test specimen A1 extremely
A6 hysteresis loop, it can be seen that the hysteresis loop of each test specimen is fuller, and complete buckling does not occur, and shows phase
As stable Hysteresis Behavior.In addition, the interior confining part and outer confining part in above-mentioned experimental study in test specimen A1 into A6
Recycle, do not occur substantially damaging all the time.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
1. a kind of buckling restrained brace containing yi word pattern dissipative cell, the support as frame structure, it is characterised in that including
Telescopic interior confining part, the outer confining part being set in outside the interior confining part, positioned at the interior confining part and
Yi word pattern dissipative cell between outer confining part, wherein：
The interior confining part includes the first square steel tube and the second square steel tube of two length and outer cross section size all same, described
First square steel tube and the second square steel tube socket connection, the end of first square steel tube and the second square steel tube away from each other be used for
Frame structure connects；
The yi word pattern dissipative cell includes 4 yi word pattern core plates, and the both ends of 4 yi word pattern core plates are bolted to institute respectively
On four faces for stating the first square steel tube and the second square steel tube, the on both sides of the middle of the yi word pattern core plate has grooving/otch, forms quilt
The surrender section of weakening, both ends are non-compliant section not be weakened；
The inner section of the outer confining part is square, for being coated on the outside of the yi word pattern dissipative cell, it is described it is outer about
Certain interval is provided between beam component and the yi word pattern dissipative cell.
2. the buckling restrained brace according to claim 1 containing yi word pattern dissipative cell, it is characterised in that the surrender
Intermediate rib, the outer confining part and the intermediate rib bolt connection are provided with the outer surface of section along its length.
3. the buckling restrained brace according to claim 2 containing yi word pattern dissipative cell, it is characterised in that described first
Square steel tube is identical with second party steel pipe sizes, is connected between first square steel tube and the second square steel tube by plug connector, described
Plug connector is square steel tube, circumferentially direction is provided with the middle part of the plug connector and perpendicular to the rib of square steel tube plane, described to insert
The outer cross section size of fitting is less than the inner section size of first square steel tube, one end and the first party steel pipe welding of the plug connector
Connect or grafting, the other end are inserted in second square steel tube.
4. the buckling restrained brace according to claim 3 containing yi word pattern dissipative cell, it is characterised in that described first
The length of square steel tube and the second square steel tube is 100~5000mm, the spacing between first square steel tube and the second square steel tube
For 20~500mm, the gap between the outer wall of the plug connector and the inwall of the second square steel tube is 1~10mm, the plug connector
The length for being inserted into the second square steel tube is 20~800mm.
5. the buckling restrained brace according to claim 2 containing yi word pattern dissipative cell, it is characterised in that described non-in the wrong
Take the bolt hole being provided with the Outboard Sections of section with first square steel tube and second party fastener for connection, the non-compliant section of bag
Include be provided with bolt hole without constraint linkage section, be not provided with bolt hole and by the outer confining part cladding without constraining non-bend
Non-compliant section of the constraint for taking section and being not provided with bolt hole and being coated by outer confining part, the outer confining part are coated on described bend
Take in section and non-compliant section of constraint, the surrender section is to be surrendered by the constraint that the interior confining part and outer confining part constrain
Section.
6. the buckling restrained brace according to claim 5 containing yi word pattern dissipative cell a, it is characterised in that word
Non-compliant section not be weakened is provided with the middle part of the surrender section of core plate, forms non-compliant section of intermediate restraint, the centre is about
The length that non-compliant section of beam be more than the first square steel tube described in when the deformation of design maximum tensile bearing capacity occurs for buckling restrained brace and
Spacing between second square steel tube, the intermediate rib are arranged on non-compliant section of the intermediate restraint；Non-compliant section of the constraint
With without being provided with end rib along its length on non-compliant section of outer surface of constraint.
7. the buckling restrained brace according to claim 6 containing yi word pattern dissipative cell, it is characterised in that it is described it is outer about
Beam component is formed by 4 W-shaped steel plate snappings, the connection of adjacent W-shaped steel crab bolt, the outer confining part and yi word pattern consumption
Gap between energy element is 1~5mm, and non-cohesive material is filled with the gap.
8. the buckling restrained brace according to claim 7 containing yi word pattern dissipative cell, it is characterised in that the centre
It is provided with circular hole in the middle part of rib, the both sides of the circular hole are provided with slotted hole, and the bolt between adjacent two W-shaped steels plate passes through institute
Circular hole and slotted hole are stated, pad is provided between adjacent two W-shaped steels plate；Non-compliant section of the constraint, constraint surrender section and centre
The transition region constrained between non-compliant section adds camber line for camber line, straight line or straight line.
9. a kind of building, it is characterised in that including any described flexings containing yi word pattern dissipative cell of claim 1-8
Constraint support.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905575.7U CN207032556U (en) | 2017-07-25 | 2017-07-25 | Buckling restrained brace and building containing yi word pattern dissipative cell |
| PCT/CN2018/092741 WO2019019849A1 (en) | 2017-07-25 | 2018-06-26 | Buckling restrained brace containing linear energy dissipation element, building and assembly method |
| US16/488,273 US10858827B2 (en) | 2017-07-25 | 2018-06-26 | Buckling-restrained brace with flat energy dissipation element, building and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720905575.7U CN207032556U (en) | 2017-07-25 | 2017-07-25 | Buckling restrained brace and building containing yi word pattern dissipative cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207032556U true CN207032556U (en) | 2018-02-23 |
Family
ID=61462192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720905575.7U Withdrawn - After Issue CN207032556U (en) | 2017-07-25 | 2017-07-25 | Buckling restrained brace and building containing yi word pattern dissipative cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207032556U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476459A (en) * | 2017-07-25 | 2017-12-15 | 山东大学 | Buckling restrained brace, building and assemble method containing yi word pattern dissipative cell |
| WO2019019849A1 (en) * | 2017-07-25 | 2019-01-31 | 山东大学 | Buckling restrained brace containing linear energy dissipation element, building and assembly method |
| CN111042324A (en) * | 2019-12-27 | 2020-04-21 | 东北林业大学 | Assembled buckling restrained brace of removable inner core |
| CN111058672A (en) * | 2020-01-15 | 2020-04-24 | 山东大学 | Detachable buckling-restrained reinforcing device for power transmission tower |
| CN111519782A (en) * | 2020-05-07 | 2020-08-11 | 山东天元建设机械有限公司 | Pure steel type buckling restrained brace |
| CN113399929A (en) * | 2021-07-20 | 2021-09-17 | 上海市机械施工集团有限公司 | Welding reinforcement method and welding reinforcement structure |
-
2017
- 2017-07-25 CN CN201720905575.7U patent/CN207032556U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476459A (en) * | 2017-07-25 | 2017-12-15 | 山东大学 | Buckling restrained brace, building and assemble method containing yi word pattern dissipative cell |
| WO2019019849A1 (en) * | 2017-07-25 | 2019-01-31 | 山东大学 | Buckling restrained brace containing linear energy dissipation element, building and assembly method |
| CN107476459B (en) * | 2017-07-25 | 2019-03-08 | 山东大学 | Buckling restrained brace, building and assemble method containing "-" type dissipative cell |
| US10858827B2 (en) | 2017-07-25 | 2020-12-08 | Shandong University | Buckling-restrained brace with flat energy dissipation element, building and assembly method |
| CN111042324A (en) * | 2019-12-27 | 2020-04-21 | 东北林业大学 | Assembled buckling restrained brace of removable inner core |
| CN111042324B (en) * | 2019-12-27 | 2021-03-26 | 东北林业大学 | Assembled buckling restrained brace of removable inner core |
| CN111058672A (en) * | 2020-01-15 | 2020-04-24 | 山东大学 | Detachable buckling-restrained reinforcing device for power transmission tower |
| CN111058672B (en) * | 2020-01-15 | 2021-11-19 | 山东大学 | Detachable buckling-restrained reinforcing device for power transmission tower |
| CN111519782A (en) * | 2020-05-07 | 2020-08-11 | 山东天元建设机械有限公司 | Pure steel type buckling restrained brace |
| CN113399929A (en) * | 2021-07-20 | 2021-09-17 | 上海市机械施工集团有限公司 | Welding reinforcement method and welding reinforcement structure |
| CN113399929B (en) * | 2021-07-20 | 2022-11-22 | 上海市机械施工集团有限公司 | Welding reinforcement method and welding reinforcement structure |
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