CN207211902U - A kind of prefabricated cross buckling restrained brace - Google Patents
A kind of prefabricated cross buckling restrained brace Download PDFInfo
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- CN207211902U CN207211902U CN201721069631.4U CN201721069631U CN207211902U CN 207211902 U CN207211902 U CN 207211902U CN 201721069631 U CN201721069631 U CN 201721069631U CN 207211902 U CN207211902 U CN 207211902U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 81
- 239000010959 steel Substances 0.000 claims abstract description 81
- 239000011178 precast concrete Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000011162 core material Substances 0.000 description 79
- 239000004567 concrete Substances 0.000 description 9
- 230000035939 shock Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a kind of prefabricated cross buckling restrained brace, including cross core plate and channel-section steel mixed constraints component, the any symmetrical both sides of the cross core plate are arranged with the bolt and nut group for locking relative two channel-section steel mixed constraints components, the channel-section steel mixed constraints component includes rectangular steel pipe and precast concrete block, pre-manufactured hole is offered on the precast concrete block, the cross core plate includes middle core plate and side core plate, the middle core plate includes the first power consumption section and the first linkage section, the side core plate includes the second power consumption section and the second linkage section, the bolt and nut group includes fastening bolt and clamp nut.The utility model discloses structural strength is high, bearing capacity is strong and a kind of prefabricated cross buckling restrained brace of building aseismicity ability can be greatly improved.
Description
Technical field
It the utility model is related to a kind of architectural support structure, and in particular to a kind of prefabricated cross buckling restrained brace.
Background technology
Buckling restrained brace is a kind of axial push-pull component with high-bearing capacity and efficient energy-consumption shock-absorption device, it by
Core material, the sleeve pipe for constraining core plate flexing and non-cohesive material and packing material composition between core plate and sleeve pipe, this
Bearing capacity is suitable with during tension when being pressurized when being a kind of tension with common support and has the support of consumption mechanism.It is buckling-restrained
Support only core plate is connected with other components, and suffered load is all undertaken by core plate, sleeve pipe and packing material only constrain core plate by
Lateral deflection is bent, core plate is entered surrender in tension and by pressure, therefore, the Hysteresis Behavior of buckling restrained brace is excellent.
The defects of on the one hand buckling restrained brace can avoid common support tension and compression bearing capacity significant difference, the opposing party's mask
There is the energy dissipation capacity of metal damper, can serve as in the structure " fuse " so that agent structure is substantially at elastic range
It is interior.Therefore, the application of buckling restrained brace, antidetonation energy of traditional support frame under middle shake and big shake can be improved comprehensively
Power.
China Patent Publication No. is that CN104264855A patent of invention discloses a kind of prefabricated filling block pin-connected panel flexing
Constraint support, including core, outer sleeve and preformed open-cell concrete block;On the surface that preformed open-cell concrete block contacts with core
Scribble lubriation material, the core is positioned in the groove in assembled good preformed open-cell concrete block, and with another piece of assembly
Good preformed open-cell concrete block is assembled together, and two outer sleeves are welded on the outside of preformed open-cell concrete block, is formed
Weld seam.
In above-mentioned technical proposal, core only its both ends are in decussate texture, and the section of section is still in in-line knot among it
Structure, so as to significantly limit the overall bearing capacity of buckling restrained brace so that buckling restrained brace is generally only capable of meeting
Below 4000kN carrying demand;In middle shake or when shaking greatly, this buckling restrained brace cannot ensure to meet antidetonation demand, so as to
Larger deficiency be present in the shock resistance for causing building overall.
Utility model content
The purpose of this utility model is to provide a kind of prefabricated cross buckling restrained brace, and by cross core plate, cooperation is set
Four groups of channel-section steel mixed constraints components of its surrounding are placed in, greatly improve the shock resistance of building.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of prefabricated cross flexing
Constraint support, including cross core plate and channel-section steel mixed constraints component, the channel-section steel mixed constraints component are provided with 4 groups altogether, each institute
State channel-section steel mixed constraints component and be located at four quadrant regions of cross core plate the week side of boss respectively, and with the cross core plate
Side wall in abut set;Any relative both sides of cross core plate are arranged with for locking relative two channel-section steels mixing about
The connection component of beam component.
By using above-mentioned technical proposal, cross core plate itself is in decussate texture, and by being located at its surrounding respectively
Four channel-section steel mixed constraints components push against each side wall of cross core plate respectively, mating connection component mixes each channel-section steel
Confining part is also secured on cross core plate, substantially increases cross core plate and the carrying energy of buckling restrained brace entirety
Power, it is ensured that the bearing capacity of the buckling restrained brace disclosure satisfy that antidetonation demand, so as to indirectly improve the anti-of whole building
Shake ability.
The utility model is further arranged to:The channel-section steel mixed constraints component includes rectangular steel pipe, the rectangular steel pipe
In be filled with precast concrete block.
By using above-mentioned technical proposal, channel-section steel mixed constraints component is by rectangular steel pipe and the common structure of precast concrete block
Into;So as to which the channel-section steel mixed constraints component can carry out prefabricated and real by site-assembled mode in construction by factory
Existing rapid shaping, reduces the wet trade of job site, and indirectly improve efficiency of construction.
The utility model is further arranged to:Some pre-manufactured holes, and each institute are uniformly offered on the precast concrete block
State the interlude that pre-manufactured hole is close to precast concrete block.
By using above-mentioned technical proposal, by setting pre-manufactured hole on the interlude of precast concrete block, avoid prefabricated
Concrete block too enriches rectangular steel pipe, is concrete on the basis of channel-section steel mixed constraints component overall construction intensity is ensured
The deformation of block reserves certain leeway;When channel-section steel mixed constraints component bears larger pressure, precast concrete block can be realized
Certain deformation, not only increases the service life of channel-section steel mixed constraints component, and enables to channel-section steel mixed constraints component
Possesses certain buffer capacity, so as to improve the overall shock resistance of the buckling restrained brace.
The utility model is further arranged to:The cross core plate includes the middle core plate and side core plate in fixed setting,
The side core plate is provided with two groups, and is located at the both sides of the middle core plate respectively.
By using above-mentioned technical proposal, cross core plate is made up of middle core plate and two symmetrically arranged side core plates, is compared
In traditional cross core plate, the cross core plate is in decussate texture in its longitudinal direction, and cooperation is respectively arranged at it
Four groups of channel-section steel mixed constraints components of surrounding, greatly improve the bearing capacity of cross core plate, are favorably improved buckling-restrained
Support overall bearing capacity.
The utility model is further arranged to:The middle core plate includes the first power consumption section and is symmetricly set in the first power consumption section
First linkage section at both ends, the side core plate include the second power consumption section and are symmetricly set in second connection at the second power consumption section both ends
Section;The first power consumption section collectively forms power consumption section with two second power consumption sections, and second linkage section is total to two second linkage sections
With linkage section is formed, the area of section of the power consumption section is less than the area of section of linkage section.
By using above-mentioned technical proposal, the sectional area for the section that consumes energy is less than the sectional area of linkage section, and then ensure that connection
Section rigidity be more than power consumption section so that buckling restrained brace bear tension and compression effect in consume energy section without departing from by channel-section steel mixing about
The scope of beam component constraint.
The utility model is further arranged to:The connection component is bolt and nut group, and the bolt and nut group includes tight
Fixing bolt and clamp nut, the fastening bolt level wear the second linkage section and are symmetricly set in the two of the second linkage section both sides
Channel-section steel mixed constraints component, the clamp nut are threadedly connected to the end of fastening bolt.
By using above-mentioned technical proposal, fastening bolt coordinate that clamp nut can stablize by each channel-section steel mixed constraints
Component is fixed on cross core plate, so as to improve the overall structural strength of buckling restrained brace, and then causes buckling-restrained branch
The bearing capacity of support is lifted therewith.
The utility model is further arranged to:The bolt and nut group is at least uniform on the length direction of cross core plate
It is arranged at intervals with two groups.
By using above-mentioned technical proposal, by setting multigroup bolt and nut group, it is ensured that each channel-section steel mixed constraints component
Stability, it is favorably improved the bearing capacity of buckling restrained brace.
The utility model is further arranged to:The week side of boss of the cross core plate is fixed with shrouding, and the shrouding is provided with four
Group, each shrouding are respectively used to close the gap of adjacent two channel-section steels mixed constraints component.
By using above-mentioned technical proposal, by setting shrouding in cross core plate the week side of boss, adjacent two can be effectively covered
The gap of channel-section steel mixed constraints component, improve the overall aesthetic property of buckling restrained brace;Meanwhile shrouding can also improve it is buckling-restrained
The globality between each several part is supported, and can further improve the structural strength of buckling restrained brace to a certain extent and hold
Loading capability.
The utility model is further arranged to:The shrouding includes integrally formed template and plate, the template with it is same
The channel-section steel mixed constraints component of side two is fixedly connected, and the inserting board is located between adjacent two channel-section steels mixed constraints component, and institute
State and elastic component is provided between plate and cross core plate.
By using above-mentioned technical proposal, by the plate being shaped on template, inserting board is located at adjacent two groove
In the gap of steel mixed constraints component, the both sides of plate push against the side wall of adjacent two channel-section steels mixed constraints component respectively, contribute to
Improve the structural strength of buckling restrained brace;Meanwhile by the elastic component being arranged between plate cross half, elastic component is not only
The structural strength of buckling restrained brace can be further improved, and also improve the ability of buckling restrained brace shock absorbing,
It is favorably improved the shock resistance of building.
The utility model is further arranged to:The elastic component is rubber sheet gasket, and the rubber sheet gasket is provided with four groups, each institute
State rubber sheet gasket to be located in respectively between adjacent two channel-section steels mixed constraints component, and the both sides of the rubber sheet gasket push against ten respectively
Font core plate and plate.
By using above-mentioned technical proposal, by the rubber sheet gasket being located between adjacent two channel-section steels mixed constraints component,
The both sides of rubber sheet gasket push against cross core plate and plate respectively, so as to ensure to reserve sufficient movement joint for cross core plate
On the basis of, greatly improve the structural strength and shock resistance of buckling restrained brace.
In summary, the utility model has the advantages that:Cross is collectively forming by middle core plate and both sides core plate
Shape core plate, coordinate and mixed respectively by four groups of channel-section steels that corresponding bolt and nut group is fixed in four quadrant regions of cross core plate
Confining part is closed, and shrouding is set in cross core plate surrounding, substantially increases structural strength and the carrying of buckling restrained brace
Ability, it is ensured that the bearing capacity of buckling restrained brace disclosure satisfy that the antidetonation demand under middle shake or big shake, greatly improves and builds
The shock resistance built.
Brief description of the drawings
Fig. 1 is that the present embodiment is mainly used in embodying integrally-built axonometric schematic diagram;
Fig. 2 is the exploded perspective view that the present embodiment is mainly used in embodying internal structure;
Fig. 3 is the structural representation that the present embodiment is mainly used in embodying cross core plate;
Fig. 4 is the exploded perspective view that the present embodiment is mainly used in embodying channel-section steel mixed constraints component;
Fig. 5 is the structural representation that the present embodiment is mainly used in embodying channel-section steel mixed constraints component;
Fig. 6 is the structural representation that the present embodiment is mainly used in embodying shrouding.
Reference:1st, cross core plate;2nd, middle core plate;21st, the first linkage section;22nd, the first power consumption section;3rd, side core plate;
31st, the second linkage section;32nd, the second power consumption section;4th, linkage section;5th, consume energy section;6th, channel-section steel mixed constraints component;61st, rectangular steel pipe;
62nd, precast concrete block;621st, pre-manufactured hole;7th, bolt and nut group;71st, fastening bolt;72nd, clamp nut;8th, shrouding;81st, type
Plate;82nd, plate;9th, rubber sheet gasket.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to accompanying drawing 1, a kind of prefabricated cross buckling restrained brace, belong to a kind of architectural support structure, it includes cross
Core plate 1 and the channel-section steel mixed constraints component 6 for being coated on the week side of boss of cross core plate 1;Buckling restrained brace only cross core plate 1 and its
He is connected component, and the load suffered by it is all undertaken by cross core plate 1, and channel-section steel mixed constraints component 6 only constrains core plate compression
Flexing so that cross core plate 1 can enter surrender in tension and by pressure, so as to ensure the excellent hysteresis of buckling restrained brace
Performance.
Referring to accompanying drawing 2, cross core plate 1 is overall to be made of low surrender steel, and it includes middle core plate 2 and side core plate 3, its
Middle side core plate 3 is respectively equipped with one group in the both sides of middle core plate 2, and both sides core plate 3 is symmetrical set, and passes through welding with middle core plate 2
Mode be fixedly connected so that decussate texture is integrally formed in cross core plate 1.
With reference to accompanying drawing 3, above-mentioned middle core plate 2 include first power consumption section 22, first power consumption section 22 both ends integrally formed with
First linkage section 21;Two first linkage sections 21 are symmetrical set, and the area of section of the first linkage section 21 is more than the first power consumption section
22 area of section, the structure that both ends are wide so that middle core plate 2 is formed, centre is narrow.
Above-mentioned side core plate 3 includes the second power consumption section 32, and the both ends of the second power consumption section 32 are integrally formed with the second linkage section
31;Two second linkage sections 31 are symmetrical set, and side core plate 3 is equally in the structure that both ends are wide, centre is narrow.
The above-mentioned first power consumption power consumption of section 22 and second section 32 has collectively formed the power consumption section 5 of power consumption effect, and first connects
Section 21 then collectively forms the linkage section 4 for being connected other components with the second linkage section 31, and the area of section for the section 5 that consumes energy is less than
The area of section of linkage section 4, so that it is guaranteed that buckling restrained brace power consumption section 5 in tension and compression effect is born is mixed without departing from by channel-section steel
Close the scope that confining part 6 constrains.
Referring to accompanying drawing 4, above-mentioned channel-section steel mixed constraints component 6 includes rectangular steel pipe 61 and precast concrete block 62;Wherein, square
Shape steel pipe 61 is made of channel-section steel, and precast concrete block 62 is filled in rectangular steel pipe 61, and fixed-type with rectangular steel pipe 61
It is integrated.
With reference to accompanying drawing 5, to increase the bearing capacity of buckling restrained brace, offered on above-mentioned precast concrete block 62 prefabricated
Hole 621;Pre-manufactured hole 621 amount to be provided with 6 groups, each pre-manufactured hole 621 is evenly distributed, and all pre-manufactured holes 621 be respectively positioned on it is prefabricated
On the interlude of concrete block 62.
When buckling restrained brace is pressurized, pre-manufactured hole 621 can be that concrete block reserves certain deformation leeway, be allowed to have
Standby certain buffer capacity, so as to indirectly improve the bearing capacity of buckling restrained brace.
Referring to accompanying drawing 4, above-mentioned channel-section steel mixed constraints component 6, which amounts to, is provided with 4 groups, and each channel-section steel mixed constraints component 6 distinguishes position
In the range of 1 the week side of boss of cross core plate, four quadrant regions, and channel-section steel mixed constraints component 6 is close to cross core plate 1
Two side pushes against 1 adjacent two side of cross core plate respectively.
Bolt and nut group 7 is provided with for fixed each channel-section steel mixed constraints component 6, above-mentioned cross core plate 1 simultaneously;Bolt spiral shell
Mother's group 7 is provided with two groups altogether, and two bolt and nut groups 7 are respectively fixedly connected with two groups of grooves positioned at 1 any opposite sides of cross core plate
Steel mixed constraints component 6.
Bolt and nut group 7 includes fastening bolt 71 and clamp nut 72, and the wherein level of fastening bolt 71 wears above-mentioned second
Linkage section 31 and two groups of channel-section steel mixed constraints components 6 for being symmetricly set in the both sides of the second linkage section 31;The screw thread of clamp nut 72 connects
It is connected to the end of fastening bolt 71.Thoroughly to fix each channel-section steel mixed constraints component 6, bolt and nut group 7 is in cross core plate 1
Length direction uniform intervals are provided with multigroup.
When clamp nut 72 is tightened, clamp nut 72 can push against the side wall of channel-section steel mixed constraints component 6, so as to by groove
Steel mixed constraints component 6 is thoroughly fixed.
Above-mentioned bolt and nut group 7 constitutes the connection group for connecting cross core plate 1 and channel-section steel mixed constraints component 6
Part.
Referring to accompanying drawing 2 and accompanying drawing 4, the buckling restrained brace is substantially in rectangular-shape, and its surrounding is equipped with shrouding 8, each envelope
Plate 8 is respectively used to close the gap of adjacent two channel-section steels mixed constraints component 6.
With reference to accompanying drawing 6, shrouding 8 includes template 81 and plate 82, and wherein template 81 welds with the rectangular steel pipe 61 of the same side two
It is fixed, and plate 82 is inserted between two rectangular steel pipes 61, and to push against two rectangular steel pipes 61 respectively adjacent for the both sides of plate 82
Two side.
Further to improve the structural strength of buckling restrained brace, set in the gap of adjacent two channel-section steels mixed constraints component 6
It is equipped with rubber sheet gasket 9;The both sides of rubber sheet gasket 9 push against two adjacent walls of adjacent two rectangular steel pipe 61, and rubber sheet gasket 9 respectively
Both sides on the vertical length direction of cross core plate 1 push against the edge of cross core plate 1 and plate 82 respectively.Rubber sheet gasket 9
The structural strength of buckling restrained brace can not only be improved, and the buffer capacity of buckling restrained brace can also be improved, is contributed to
Improve the shock resistance of building.
Above-mentioned rubber sheet gasket 9 constitutes the elastic component being located between adjacent two channel-section steels mixed constraints component 6.
The operation principle of the present embodiment is:After the completion of construction, four groups of channel-section steel mixed constraints components 6 push against cross core respectively
Each inwall of plate 1, and each channel-section steel mixed constraints component 6 is achieved a fixed connection by bolt and nut group 7, so as to be greatly improved
The bearing capacity of cross core plate 1;It is equipped with four groups of shroudings 8 in buckling restrained brace the week side of boss, it can be ensured that flexing is about
Shake or the antidetonation demand shaken greatly during the bearing capacity of bundle branch support meets, greatly improve the shock resistance of building.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of prefabricated cross buckling restrained brace, including cross core plate(1)With channel-section steel mixed constraints component(6), its feature
It is:The channel-section steel mixed constraints component(6)4 groups are provided with altogether, each channel-section steel mixed constraints component(6)It is located at cross core respectively
Plate(1)Four quadrant regions of the week side of boss, and with the cross core plate(1)Side wall in abut set;The cross
Core plate(1)Any relative both sides are arranged with for locking relative two channel-section steel mixed constraints components(6)Connection component.
2. a kind of prefabricated cross buckling restrained brace according to claim 1, it is characterized in that:The channel-section steel mixed constraints structure
Part(6)Including rectangular steel pipe(61), the rectangular steel pipe(61)In be filled with precast concrete block(62).
3. a kind of prefabricated cross buckling restrained brace according to claim 2, it is characterized in that:The precast concrete block
(62)On uniformly offer some pre-manufactured holes(621), and each pre-manufactured hole(621)It is close to precast concrete block(62)In
Between section.
4. a kind of prefabricated cross buckling restrained brace according to claim 1, it is characterized in that:The cross core plate(1)
Including the middle core plate in fixed setting(2)With side core plate(3), the side core plate(3)Provided with two groups, and it is located at the SMIS respectively
Plate(2)Both sides.
5. a kind of prefabricated cross buckling restrained brace according to claim 4, it is characterized in that:The middle core plate(2)Including
First power consumption section(22)And it is symmetricly set in the first power consumption section(22)First linkage section at both ends(21), the side core plate(3)Bag
Include the second power consumption section(32)And it is symmetricly set in the second power consumption section(32)Second linkage section at both ends(31);The first power consumption section
(22)With two second power consumption sections(32)Collectively form power consumption section(5), second linkage section(31)With two second linkage sections(31)
Collectively form linkage section(4), the power consumption section(5)Area of section be less than linkage section(4)Area of section.
6. a kind of prefabricated cross buckling restrained brace according to claim 5, it is characterized in that:The connection component is bolt
Nut group(7), the bolt and nut group(7)Including fastening bolt(71)And clamp nut(72), the fastening bolt(71)Water
It is flat to wear the second linkage section(31)And it is symmetricly set in the second linkage section(31)Two channel-section steel mixed constraints components of both sides(6), institute
State clamp nut(72)It is threadedly connected to fastening bolt(71)End.
7. a kind of prefabricated cross buckling restrained brace according to claim 6, it is characterized in that:The bolt and nut group(7)
In cross core plate(1)Length direction at least uniform intervals be provided with two groups.
8. a kind of prefabricated cross buckling restrained brace according to any one of claim 1-7, it is characterized in that:The cross
Shape core plate(1)The week side of boss be fixed with shrouding(8), the shrouding(8)Provided with four groups, each shrouding(8)It is respectively used to close phase
Adjacent two channel-section steel mixed constraints components(6)Gap.
9. a kind of prefabricated cross buckling restrained brace according to claim 8, it is characterized in that:The shrouding(8)Including one
Body formed template(81)And plate(82), the template(81)With the channel-section steel mixed constraints component of the same side two(6)It is fixedly connected,
The plate(82)It is inserted in adjacent two channel-section steels mixed constraints component(6)Between, and the plate(82)With cross core plate(1)
Between be provided with elastic component.
10. a kind of prefabricated cross buckling restrained brace according to claim 9, it is characterized in that:The elastic component is rubber
Pad(9), the rubber sheet gasket(9)Provided with four groups, each rubber sheet gasket(9)Adjacent two channel-section steels mixed constraints are located in respectively
Component(6)Between, and the rubber sheet gasket(9)Both sides push against cross core plate respectively(1)And plate(82).
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CN201721069631.4U CN207211902U (en) | 2017-08-24 | 2017-08-24 | A kind of prefabricated cross buckling restrained brace |
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CN201721069631.4U CN207211902U (en) | 2017-08-24 | 2017-08-24 | A kind of prefabricated cross buckling restrained brace |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110056240A (en) * | 2019-04-18 | 2019-07-26 | 苏州科技大学 | A kind of anti-buckling bracing members of ductility assembled |
CN110159046A (en) * | 2019-06-03 | 2019-08-23 | 上海核工程研究设计院有限公司 | A kind of buckling restrained brace structure for nuclear island steel construction damping |
CN110552443A (en) * | 2019-08-20 | 2019-12-10 | 湖北正浩建设集团有限公司 | residential system of steel pipe concrete close-packed column steel plate energy-consuming shear wall structure |
-
2017
- 2017-08-24 CN CN201721069631.4U patent/CN207211902U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110056240A (en) * | 2019-04-18 | 2019-07-26 | 苏州科技大学 | A kind of anti-buckling bracing members of ductility assembled |
CN110159046A (en) * | 2019-06-03 | 2019-08-23 | 上海核工程研究设计院有限公司 | A kind of buckling restrained brace structure for nuclear island steel construction damping |
CN110552443A (en) * | 2019-08-20 | 2019-12-10 | 湖北正浩建设集团有限公司 | residential system of steel pipe concrete close-packed column steel plate energy-consuming shear wall structure |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180410 |