CN106869354B - Double-core can inspection buckling restrained brace - Google Patents
Double-core can inspection buckling restrained brace Download PDFInfo
- Publication number
- CN106869354B CN106869354B CN201710062764.7A CN201710062764A CN106869354B CN 106869354 B CN106869354 B CN 106869354B CN 201710062764 A CN201710062764 A CN 201710062764A CN 106869354 B CN106869354 B CN 106869354B
- Authority
- CN
- China
- Prior art keywords
- plate
- energy consumption
- inner core
- consumption inner
- restraining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The invention discloses a kind of double-core can inspection buckling restrained brace, including two pieces of energy consumption inner core plates, two groups of end stiffener plates, two pieces of end connecting plates, multiple groups connected positioning plate and restraining tube component；Two pieces of energy consumption inner core plates are placed in parallel along plate thickness direction, end stiffener plate is rectangular slab, two opposite side of every group of end stiffener plate and the energy consumption inner core plate being placed in parallel are vertical affixed, and the other of end stiffener plate is in the same plane with the end edge of energy consumption inner core plate on one side；End connecting plate and the end edge of two pieces of energy consumption inner core plates and one side of end stiffener plate are affixed；Connected positioning plate is also rectangular slab, and in the inside for the energy consumption inner core plate being placed in parallel, two opposite side are vertical with energy consumption inner core plate affixed, and all connected positioning plates are in the same plane, and equidistantly distributed.
Description
Technical field
The invention belongs to field of civil engineering, it is related to a kind of buckling-restrained branch for reducing engineering structure seismic response
Support.
Background technique
Before the 1990s, traditional earthquake-resistant structure method is by main structure local yielding dissipation seismic energy
Amount, such as beam hinge, this energy dissipation mode cause main structure body to destroy, seriously increase repair after shake difficulty and at
This, repairs after being unfavorable for the shake of structure.From after Japanese Osaka-Kobe earthquake and the ridge earthquake of U.S. north, buckling restrained brace is as a kind of property
The superior energy-dissipating and shock-absorbing component of energy, in Japan, U.S. etc., the developed countries shaken have obtained quick popularization and application more, in China
Research is also at developing stage.Buckling restrained brace wraps up constraint component outside core component to limit the bending of core component and become
Shape surrenders dissipation seismic energy by core component tension and compression, is equivalent to common central supported under small shake effect, mentions to structure
For enough lateral rigidities, it is equivalent to metal damper under the effect of medium and larger earthquake and dissipation energy, so both improves
The ductility of structure has given full play to the energy consumption effect of support again, so that the main structure will not be destroyed or is destroyed under geological process
It is smaller, it is a kind of ideal energy dissipation mode.
Currently, the section type of buckling restrained brace can be divided into three classes according to restraining tube material and combined situation：
Armored concrete restraining tube section, steel and Combined concrete restraining tube section and all steel restraining tube section.Using all steel
The buckling restrained brace in restraining tube section, such as publication CN101974947B or CN101718123B, inner core component is adopted
With Steel section members such as i shaped steels, the edge of a wing and the web of I-shaped cross-section are constrained simultaneously by peripheral all steel confining part, due to
Attachment weld or chamfering between the i shaped cross section edge of a wing and web etc. are contradicted with peripheral constraint component, so that production is buckling-restrained
The difficulty of support increases more.Moreover, restraining tube steel member is close to inner core component, the overall stiffness of confining part is caused to subtract
It is few, reduce the service efficiency of confining part steel.
In addition, if the confining part of buckling restrained brace is close to inner core component, be merely able to dismantle after shake confining part into
The visual detection of row buckling restrained brace can not quickly be observed the degree of impairment of buckling restrained brace, affect buckling
It repairs and replaces after constraining the shake of support construction.
Summary of the invention
The present invention increases inner core component to improve the service efficiencies of all steel buckling restrained brace restraining tube component materials
In the bending stiffness of weak axis direction, while the new way of quick, direct visual detection damage after shake is provided, proposes a kind of double-core
It can inspection buckling restrained brace.
The technical solution adopted by the present invention is：A kind of double-core can inspection buckling restrained brace, including two pieces of energy consumption inner cores are flat
Plate, two groups of end stiffener plates, two pieces of end connecting plates, multiple groups connected positioning plate and restraining tube component；
Two pieces of energy consumption inner core plates are placed in parallel along plate thickness direction, are equivalent to one piece of energy consumption inner core plate along thickness
Direction separates, and improves inner core component in the bending stiffness of weak axis direction, forms a kind of buckling restrained brace of double-core thus
Energy consumption mechanism.In addition, different materials have the yield strength of difference, therefore, different materials is can be used in energy consumption inner core plate.
The end stiffener plate uses rectangular slab, and two opposite side of every group of end stiffener plate and the energy consumption inner core being placed in parallel are flat
Plate is vertically affixed, and as section web, the other of end stiffener plate is generally aligned in the same plane with the end edge of energy consumption inner core plate on one side
It is interior.End connecting plate and the end edge of two pieces of energy consumption inner core plates and one side of end stiffener plate are affixed.By end stiffener plate with
The use of end connecting plate, so that forming elasticity transition section in buckling restrained brace end.
Connected positioning plate is rectangular slab, in the inside for the energy consumption inner core plate being placed in parallel, two opposite side and energy consumption inner core
Plate is vertically affixed, and all connected positioning plates are in the same plane, and equidistantly distributed, and connected positioning plate strengthens two pieces
Connection between energy consumption inner core plate, while connected positioning plate can also further change the power transmission and deformation of energy consumption inner core plate
Mode is conducive to the raising of energy consumption inner core plates low cycle fatigue property.When connected positioning plate be located at it is intermediate when, positioning plate punch after lead to
It crosses pin to connect with restraining tube component, limits it along the sliding in component length direction.
Restraining tube component includes restraining plate, partially restrained plate and connecting plate, and restraining plate is located at the outer of energy consumption inner core plate
Side, constraint board width are not less than the maximum width of energy consumption inner core plate, and partially restrained plate is close to outside the inside of energy consumption inner core plate
Side, the about beam width of partially restrained plate are not more than a quarter of energy consumption inner core plate minimum widith, and two block portions divide restraining plate logical
Cross connecting plate formed flute profile, and with the affixed integral two pieces of energy consumption inner core plates of common constraint of restraining plate.Pass through restraining plate, part
Effective splicing of restraining plate and connecting plate, so that restraining tube component becomes integrally, while but also part connecting plate is located at outside
After side is conducive to the raising of restraining tube component entirety bending stiffness, and the outer shifting of connecting plate also reserves energy consumption inner core plates shake
Observe the space of damage.
Preferably, the energy consumption inner core plate can form intermediate narrow, two hem widths plane forms.
Preferably, every group of the end stiffener plate can be two panels, the spacing of two panels adds twice of end stiffener plate thickness
It is less than the distance between two panels connecting plate or partially restrained plate afterwards.The setting of two panels end stiffener plate improves buckling restrained brace
The stability of end plane avoids the local buckling that buckling restrained brace occurs on the outside of peripheral constraint component, so as to
Improve the overall performance of buckling-restrained bracing member and structure.
Preferably, the restraining plate is channel steel, energy consumption inner core plate is close in constraint on the inside of web, about with two block portions point
Beam and connecting plate form flute profile welding.
Preferably, the restraining plate is plate, divides restraining plate and connecting plate to form channel steel with two block portions and pass through bolting pad
Plate connection.
The setting of above two restraining tube component, enriches the structural form of restraining tube component, is Practical Project
More selections are provided.
It can inspection slot preferably, being had on the connecting plate.The consumption for being set as monitoring buckling restrained brace of slot
The deformation of energy inner core plates and damaged condition are provided convenience, and the work such as reparation after shaking for buckling restrained brace are laid a good foundation.
The invention has the advantages that：
1. double-core can two pieces of energy consumption inner core plates of inspection buckling restrained brace be placed in parallel along plate thickness direction, be equivalent to by
One piece of energy consumption inner core plate through-thickness separates, and the distance between two pieces of energy consumption inner core plates are adjustable, so real
Inner core component of having gone is controllable in the bending stiffness of weak axis direction, forms a kind of buckling restrained brace of double-core.
2. double-core can inspection buckling restrained brace connected positioning plate be rectangular slab, in the energy consumption inner core plates being placed in parallel
Inside, two opposite side are vertical with energy consumption inner core plates affixed, and all connected positioning plates are in the same plane, and equidistant point
Cloth.Similar affixed boundary condition is formed with the affixed connected positioning plate of energy consumption inner core plates, and then efficiently controls, influence energy consumption
The deformation pattern of inner core plates reduces the surface strain of energy consumption inner core plates, improves the low cycle fatigue property of buckling restrained brace.When
When connected positioning plate number is odd number, being located in the middle connected positioning plate can punch, and be connect by pin with restraining tube component,
It is limited along the sliding in component length direction.Easy limit setting method is provided, the design for simplifying buckling restrained brace makes
With.
3. double-core can the restraining plate of inspection buckling restrained brace be located on the outside of energy consumption inner core plates, partially restrained plate is close to energy consumption
On the inside of the outside of inner core plates, partially restrained plate forms flute profile by connecting plate, and affixed total at restraining tube component with restraining plate
With two pieces of energy consumption inner core plates of constraint.Wherein, the building block of restraining tube component is arranged in buckling restrained brace as far as possible
Outside significantly improves the monolithic stability rigidity of all steel buckling restrained brace restraining tube component, improves constraint component material
The service efficiency of material.
4. double-core can inspection buckling restrained brace constraint board width be not less than energy consumption inner core plates maximum width, part about
The about beam width of beam plate is not more than a quarter of energy consumption inner core plates minimum widith.The restraining tube component of this form is set
It sets, it is ensured that have enough spaces from inside to observe the damage of energy consumption inner core plate surface, and be provided on connecting plate visual
Slot is examined, realizes the expansion of the quick work such as inspection and assessment after buckling restrained brace shake.
Detailed description of the invention
Fig. 1 is that the double-core of the embodiment of the present invention 1 can inspection buckling restrained brace front view；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the B-B sectional view of Fig. 1；
Fig. 4 is the C-C sectional view of Fig. 1；
Fig. 5 is the energy consumption inner core plates front view of the embodiment of the present invention 1；
Fig. 6 is the A-A sectional view of Fig. 5；
Fig. 7 is the B-B sectional view of Fig. 5；
Fig. 8 is that the double-core of the embodiment of the present invention 2 can inspection buckling restrained brace sectional view；
Fig. 9 is that the double-core of the embodiment of the present invention 3 can inspection buckling restrained brace energy consumption inner core plate top view；
Figure 10 is that the double-core of the embodiment of the present invention 4 can inspection buckling restrained brace sectional view；
Figure 11 is that the double-core of the embodiment of the present invention 5 can inspection buckling restrained brace front view；
Figure 12 is that the double-core of the embodiment of the present invention 6 can inspection buckling restrained brace energy consumption inner core plate front view.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Fig. 1~7：A kind of double-core can inspection buckling restrained brace, including two pieces of energy consumption inner core plates, 1, two group of end
2, two pieces of portion's stiffener, 3, one pieces of end connecting plate connected positioning plate 4 and restraining tube component 5；Two pieces of 1 edges of energy consumption inner core plate
Plate thickness direction is placed in parallel；End stiffener plate 2 is rectangular slab, two opposite side of end stiffener plate 2 and the energy consumption inner core being placed in parallel
1 inner vertical of plate is affixed, and as section web, the other of end stiffener plate 2 is located at the end edge of energy consumption inner core plate 1 on one side
In same plane；End connecting plate 3 and the end edge of two pieces of energy consumption inner core plates 1 and one side of end stiffener plate 2 are affixed；Connection is fixed
Position plate 4 is also rectangular slab, and in the inside for the energy consumption inner core plate 1 being placed in parallel, two opposite side are vertical with energy consumption inner core plate 1 solid
It connects；Restraining tube component 5 includes restraining plate 5-1, partially restrained plate 5-2 and connecting plate 5-3, and restraining plate 5-1 is located at energy consumption inner core
The outside of plate 1, width are not less than the maximum width of energy consumption inner core plate 1, and partially restrained plate 5-2 is close to energy consumption inner core plate
The a quarter that 1 inside outside, about beam width are not more than 1 minimum widith of energy consumption inner core plate；Two block portions divide restraining plate 5-2
Flute profile is formed by connecting plate 5-3, and is connect with restraining plate 5-1 by bolt backing plate, two pieces of affixed integral common constraint consumptions
It can inner core plate；It is located in the middle connected positioning plate 4 to punch, is connect by pin with restraining tube component 5, limit it along component
The sliding of length direction.
Embodiment 2
As shown in Figure 8：The present embodiment is identical as 1 rest part of embodiment, the difference is that restraining plate 5-1 is channel steel,
Energy consumption inner core plate 1 is close in constraint on the inside of its web, divides restraining plate 5-2 and connecting plate 5-3 to form flute profile welding with two block portions.
Embodiment 3
As shown in Figure 9：The present embodiment is identical as 1 rest part of embodiment, the difference is that among energy consumption inner core plate 1
Narrow, two hem widths.
Embodiment 4
As shown in Figure 10：The present embodiment is identical as 1 rest part of embodiment, the difference is that 2 every groups of end stiffener plate
For two panels, the spacing of two panels plus be less than after twice of 2 thickness of end stiffener plate two panels connecting plate 5-3 or partially restrained plate 5-2 it
Between distance.
Embodiment 5
As shown in figure 11：The present embodiment is identical as 1 rest part of embodiment, the difference is that having on connecting plate 5-3
It can inspection slot 5-3-1.
Embodiment 6
As shown in figure 12：The present embodiment is identical as 1 rest part of embodiment, the difference is that 2 groups connected positioning plate 4
In in same plane, and equidistantly distributed.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.In the present embodiment not
The available prior art of specific each component part is realized.
Claims (7)
1. a kind of double-core can inspection buckling restrained brace, it is characterised in that：Including two pieces of energy consumption inner core plates (1), two groups of ends
Stiffener (2), two pieces of end connecting plates (3), multiple groups connected positioning plate (4) and restraining tube component (5)；
Two pieces of energy consumption inner core plates (1) are placed in parallel along plate thickness direction；
The end stiffener plate (2) is rectangular slab, and two opposite side of every group of end stiffener plate (2) and the energy consumption inner core being placed in parallel are flat
The inner vertical of plate (1) is affixed, as section web, the end on other one side and energy consumption inner core plate (1) of end stiffener plate (2)
While being in the same plane；
The end connecting plate (3) and the end edge of two pieces of energy consumption inner core plates (1) and one side of end stiffener plate (2) are affixed；
The connected positioning plate (4) be rectangular slab, in the inside for the energy consumption inner core plate (1) being placed in parallel, two opposite side with
Energy consumption inner core plate (1) is vertical affixed, and all connected positioning plates (4) are in the same plane, and equidistantly distributed；
The restraining tube component (5) includes restraining plate (5-1), partially restrained plate (5-2) and connecting plate (5-3), restraining plate
(5-1) is located at the outside of energy consumption inner core plate (1), and width is not less than the maximum width of energy consumption inner core plate (1), partially restrained
Plate (5-2) is close on the inside of the outside of energy consumption inner core plate (1), and about beam width is not more than energy consumption inner core plate (1) minimum widith
A quarter；Two block portions divide restraining plate (5-2) to form flute profile by connecting plate (5-3), and affixed at whole with restraining plate (5-1)
Body constrains two pieces of energy consumption inner core plates jointly.
2. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：The energy consumption inner core plate
(1) intermediate narrow, two hem widths.
3. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：The end stiffener plate (2)
Every group is two panels, and the spacing of two panels is less than two panels connecting plate (5-3) or partially restrained after adding twice of end stiffener plate (2) thickness
The distance between plate (5-2).
4. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：The connected positioning plate (4)
When number is odd number, being located in the middle connected positioning plate (4) can punch, and be connect by pin with restraining tube component (5), limit
Its sliding along component length direction.
5. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：The restraining plate (5-1) is
Energy consumption inner core plate (1) is close in channel steel, the constraint of web inside, divides restraining plate (5-2) and connecting plate (5-3) to be formed with two block portions
Flute profile welding.
6. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：The restraining plate (5-1) is
Plate divides restraining plate (5-2) to form channel steel with connecting plate (5-3) and is connect by bolt backing plate with two block portions.
7. double-core according to claim 1 can inspection buckling restrained brace, it is characterised in that：On the connecting plate (5-3)
With can inspection slot (5-3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062764.7A CN106869354B (en) | 2017-01-25 | 2017-01-25 | Double-core can inspection buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710062764.7A CN106869354B (en) | 2017-01-25 | 2017-01-25 | Double-core can inspection buckling restrained brace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106869354A CN106869354A (en) | 2017-06-20 |
| CN106869354B true CN106869354B (en) | 2018-11-16 |
Family
ID=59165719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710062764.7A Active CN106869354B (en) | 2017-01-25 | 2017-01-25 | Double-core can inspection buckling restrained brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106869354B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975159B (en) * | 2017-12-01 | 2023-11-24 | 山东大学 | Assembled self-resetting energy consumption supporting device and building |
| CN108060726A (en) * | 2018-02-05 | 2018-05-22 | 沈阳建筑大学 | A kind of double aluminum alloy inner core assembled buckling restrained brace |
| CN108060727B (en) * | 2018-02-05 | 2021-04-16 | 沈阳建筑大学 | Double-aluminum alloy plate assembled buckling restrained brace |
| CN109838129B (en) * | 2019-02-13 | 2020-06-30 | 东南大学 | Sleeve concrete block assembling constraint H-shaped support |
| CN109838131B (en) * | 2019-02-13 | 2020-06-30 | 东南大学 | Sleeve constraint 3H-shaped energy dissipation support |
| CN109838130B (en) * | 2019-02-13 | 2020-06-30 | 东南大学 | Damage-controllable all-steel assembled constraint H-shaped support |
| CN112695910A (en) * | 2019-10-22 | 2021-04-23 | 上海核工程研究设计院有限公司 | Self-locking assembled buckling-restrained brace for nuclear island structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003193699A (en) * | 2001-12-28 | 2003-07-09 | Sumitomo Metal Ind Ltd | Elasto-plastic, visco-elastic brace |
| CN101545289B (en) * | 2009-04-13 | 2010-09-08 | 清华大学 | All-steel buckling-preventing energy-consuming brace |
| JP5294127B2 (en) * | 2009-10-22 | 2013-09-18 | 清水建設株式会社 | Brace damper |
| CN103195188A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | I-shaped double-plate assembling steel structure prestressed buckling preventing support |
| CN103233528B (en) * | 2013-05-10 | 2015-07-01 | 东南大学 | Self-reset buckling limitation support |
| CN103981965A (en) * | 2014-04-11 | 2014-08-13 | 北京工业大学 | Self-resetting-prestress bending-preventing support of channel-steel assembled steel structure |
| CN103981971A (en) * | 2014-04-11 | 2014-08-13 | 北京工业大学 | Self-resetting bending-preventing support of channel-steel assembled steel structure |
| CN204298981U (en) * | 2014-12-11 | 2015-04-29 | 杜永山 | Combined steel type flexion-preventing supports |
-
2017
- 2017-01-25 CN CN201710062764.7A patent/CN106869354B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106869354A (en) | 2017-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106869354B (en) | Double-core can inspection buckling restrained brace | |
| CN101603352B (en) | Hollow steel girder and steel framework system | |
| CN103899004B (en) | One is energy consumer stage by stage | |
| CN104895191A (en) | Steel structure anti-seismic energy consumption lateral force resisting system and design method | |
| CN101509282A (en) | Triple-level metal rectangular pipe flection restriction support energy-dissipation device | |
| CN106592809B (en) | Double T cores can inspection buckling restrained brace | |
| CN204919858U (en) | Buckling restrained brace component | |
| CN110295780A (en) | A kind of dual pipe restricted type Self-reset anti-flexure support device of multistage surrender | |
| CN108385850A (en) | A kind of large deformation shock-damping energy-dissipating device design and preparation method thereof | |
| CN208202202U (en) | A kind of semi-girder truss main diagonal of band bending surrender Wasted-energy steel plate | |
| CN103233590B (en) | With the buckling restrained brace of rope for subsequent use | |
| CN105239691B (en) | A kind of curvature-prevention support component with yi word pattern inner core | |
| CN107653985B (en) | A kind of assembled abnormity column connected node and its installation method | |
| CN205777099U (en) | A kind of huge combined steel and concrete column of built-in lattice reinforcing bar | |
| CN203238808U (en) | Self-restoration bending restraining support | |
| CN104929277A (en) | Earthquake-proof wall and construction method thereof | |
| CN209975348U (en) | Shock attenuation rigid frame bridge pier that contains bucking restraint and support | |
| CN208564124U (en) | A kind of metal energy-dissipation damper | |
| CN208309868U (en) | A kind of buckling restrained brace device | |
| CN203361391U (en) | Buckling restrained brace with standby cable | |
| CN101769007A (en) | High-rise and super high-rise composite frame structure system with bilateral supports | |
| CN109610726A (en) | A kind of reinforcing bar and cold-formed thin-walled C steel coupled column destroyed for local buckling | |
| CN106499082B (en) | A kind of casing buckling induction support with circumferential Y type induction unit | |
| CN106499083B (en) | A kind of casing buckling induction support with circumferential trapezoidal induction unit | |
| CN106401253B (en) | The diamond-shaped cross-section two-stage surrenders anti-buckling support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 210093 Nanjing University Science Park, 22 Hankou Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Southeast University Address before: 211189 No. 2 Southeast University Road, Jiangning District, Nanjing, Jiangsu Patentee before: Southeast University |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170620 Assignee: Dongyang building science and Technology Research Institute Assignor: SOUTHEAST University Contract record no.: X2020980010486 Denomination of invention: Buckling restrained brace with dual core Granted publication date: 20181116 License type: Common License Record date: 20201230 |