CN108678483A - A kind of anti-buckling support of whole restricted type of replaceable kernel - Google Patents
A kind of anti-buckling support of whole restricted type of replaceable kernel Download PDFInfo
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- CN108678483A CN108678483A CN201810499490.2A CN201810499490A CN108678483A CN 108678483 A CN108678483 A CN 108678483A CN 201810499490 A CN201810499490 A CN 201810499490A CN 108678483 A CN108678483 A CN 108678483A
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- inner core
- component
- kernel
- core component
- buckling support
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of anti-buckling support of whole restricted type of replaceable kernel, belongs to structural engineering field.The anti-buckling support is made of connecting cover plate on the outside of two inner core components, peripheral constraint component, kernel and high-strength bolt.Based on kernel block assembly formula design concept, transmission axial compressive force is held out against by inner core component segmentation, connecting cover plate and high-strength bolt transmit axial tension on the outside of kernel, inner core component plasticity region is controlled by the way that the weakening of dog bone or fluting weakening are arranged on inner core component, so that this is anti-buckling while be supported on the basic carrying of satisfaction with energy consumption, two inner core components can need to only be pulled out from peripheral constraint component by dismantling connecting cover plate on the outside of high-strength bolt and kernel after shake, the anti-buckling support for replacing inner core component may continue to use, meets the needs of functional rehabilitation after shaking, prolong the service life, it increases economic efficiency, the drawbacks of overcoming traditional anti-buckling support of whole restricted type that can not replace inner core component after disruption.
Description
Technical field
This patent is related to a kind of anti-buckling support of whole restricted type of replaceable kernel, belongs to technical field of structural engineering.
Background technology
Anti-buckling support is made of inner core component and peripheral constraint component, and inner core component bears axial compressive force, peripheral system
The lateral displacement for constraining inner core component makes it that total cross-section surrender occur under Structure Under Axial Compression.From the Japan of the last century 90's
Since Osaka-Kobe earthquake and the ridge earthquake of U.S. north, anti-buckling some developed countries such as the U.S., Japan that are supported on have carried out a large amount of work
Journey is put into practice, since it has both " supporting role when normal operating condition and small shake " and " the energy consumption effect under big shake effect ",
Best one of energy-dissipating and shock-absorbing component is become, and is promoted and applied rapidly in recent years.
Currently, the anti-buckling support generally used in engineering is mostly whole restricted type component, inner core component generally use
Line-styled, " ten " font or " I " fonts component, peripheral constraint component is using concrete restraining tube type component, steel tube concrete
Native restraining tube type component or all steel restraining tube type component, and between inner core component surface and peripheral constraint component surface there are
Certain interval, lateral expansion when inner core component being prevented to be pressurized and fill in dead.It is anti-buckling under normal operating condition and small shake effect
The inner core component stress of support keeps elastic stage, and based on frame enough rigidity is provided；When big shake occurs, inner core component
Surrender can be initially entered, a large amount of earthquake energies protect main body frame.
However, the anti-buckling support of existing frequently-used entirety restricted type, it after the earthquake can only be whole local damage occurs
Body is replaced, and the serious waste of construction material is caused, and does not meet the intension for advocating green building now.Based on this, the present invention proposes
A kind of anti-buckling support of whole restricted type of replaceable kernel, overcome the anti-buckling support of traditional whole restricted type after disruption without
Method replaces the drawbacks of inner core component, holds out against transmission axial compressive force by two inner core components, passes through connecting cover plate on the outside of kernel
And high-strength bolt transmits axial tension, and inner core component is controlled by the way that the weakening of dog bone or fluting weakening are arranged on inner core component
Plasticity region, peripheral constraint component still play the purpose for preventing two inner core component buckling unstabilitys；It only need to be by tearing open after shake
Unloading connecting cover plate on the outside of high-strength bolt and kernel can pull out two inner core components from peripheral constraint component, in replacement
The anti-buckling support of core component may continue to use, and meet functional rehabilitation demand after shake, extend support service life, improve economical
Benefit.
In addition, the high-strength bolt for connection has intermal force and position-limiting action, and when inner core component tension, high-strength spiral shell
Bolt group transmits connecting cover plate on the outside of the pulling force to kernel on inner core component, while it limits peripheral constraint component sliding, outer at this time
It encloses confining part and is not involved in stress.When inner core component is pressurized, high-strength bolt limits peripheral constraint component sliding, restraining tube
Component is in by curved state, constrains two inner core component buckling unstabilitys.
The anti-buckling support inner core component of whole restricted type can be realized by reasonable Arrangement using plate is commonly used in the present invention
It is replaced after shake, and without the limiting device of in addition setting peripheral constraint component；Overall construction of the present invention is simple and power transmission is reasonable,
Especially suitable for the building in seismic fortification intensity area higher, ensureing the same of structure lateral resistant member " carrying " and " energy consumption "
When, and the problems such as quickly repairing after its shake can be solved, the waste of construction material is avoided, there is good social benefit and economy
Benefit.
Invention content
The present invention proposes a kind of anti-buckling support of whole restricted type of replaceable kernel, it is intended to solve existing whole constraint
It the drawbacks of can not replacing inner core component after the anti-buckling support shake of type, avoids construction material from wasting, extends support service life, improve
Economic benefit also supports the range that provides more choices for whole restricted type is anti-buckling.
To achieve the above object, the present invention uses following technological means：
A kind of anti-buckling support of whole restricted type of replaceable kernel, it is characterised in that：The anti-buckling support is by two
Core component, peripheral constraint component, connecting cover plate and high-strength bolt composition on the outside of kernel；It is whole that the anti-buckling support overcomes tradition
The drawbacks of anti-buckling support of body restricted type can not replace inner core component after disruption, is based on kernel block assembly formula design concept,
Transmission axial compressive force is held out against by two inner core components, axial draw is transmitted by connecting cover plate on the outside of kernel and high-strength bolt
Power controls inner core component plasticity region, restraining tube by the way that the weakening of dog bone or fluting weakening are arranged on inner core component
Component still plays the purpose for preventing two inner core component buckling unstabilitys；It only need to be by dismantling on the outside of high-strength bolt and kernel after shake
Connecting cover plate can pull out two inner core components from peripheral constraint component, and the anti-buckling support for replacing inner core component still may be used
It is continuing with, meets functional rehabilitation demand after shake；There are between 1-2mm between the peripheral constraint component and inner core component surface
Gap or rubber filling；Two inner core components need guiding through peripheral constraint component when mounted and end is held out against, and then pass through
Connecting cover plate and high-strength bolt contact inner core component and peripheral constraint component for entirety on the outside of kernel.
The inner core component, monolithic is elongated to be divided into three regions：End reinforcement area --- avoid anti-buckling support kernel
Warpage, which occurs, for component ends destroys；Middle part weakening area --- inner core component plasticity region is weakened or is slotted using dog bone and cut
Weak mode is controlled, and is weakened twice that width is more than high-strength bolt hole diameter, weakens area's filled rubber material, or do not fill out
It fills, ensures that the regional cross section tensile bearing capacity is weaker than other two regions, to control in the area plastic failure；It opens end
Hole bonding pad --- for the connection with connecting cover plate on the outside of kernel and peripheral constraint component, transmitted by high-strength bolt axial
Pulling force, and limit peripheral constraint component sliding.
Connecting cover plate and peripheral constraint component should be in the correspondences of kernel component ends trepanning bonding pad on the outside of the kernel
Trepanning at position；By installing high-strength bolt by connecting cover plate, peripheral constraint component and two inner core components on the outside of kernel
It is linked together.
Connecting cover plate plate material yield strength is higher than inner core component material on the outside of the kernel, connects on the outside of all kernels
Twice of the total tensile bearing capacity of connects cover plate higher than weakening area section tensile bearing capacity in the middle part of inner core component；The high-strength bolt
Group has intermal force and position-limiting action, and when inner core component tension, high-strength bolt transmits the pulling force on inner core component to kernel
In the connecting cover plate of outside, while it limits peripheral constraint component sliding, and peripheral constraint component is not involved in stress at this time；When kernel structure
When part is pressurized, high-strength bolt limits peripheral constraint component sliding, and peripheral constraint component is in by curved state, constrains two kernels
Component buckling unstability.
The inner core component is line-styled, " ten " font or " I " fonts component；The peripheral constraint component,
For concrete restraining tube type component, concrete filled steel tube restraining tube type component or all steel restraining tube type component.
The advantages of this patent, shows the following aspects：
(1) replaceable inner core component after shaking.The present invention is based on kernel block assembly formula design concepts, pass through two kernel structures
Part holds out against transmission axial compressive force, axial tension is transmitted by connecting cover plate on the outside of kernel and high-strength bolt, by kernel structure
Dog bone is arranged on part to weaken or fluting weaken to control inner core component plasticity region so that anti-buckling be supported on meets base
It, only need to connecting cover plate can be by two kernels on the outside of high-strength bolt and kernel by dismantling after shake while this carrying is with energy consumption
Component is pulled out from peripheral constraint component, and the anti-buckling support for replacing inner core component may continue to use, and meets function after shake
The demand of recovery, prolongs the service life, and avoids the waste of construction material, increases economic efficiency.In addition, by kernel block assembly
Formula theory is applied to the anti-buckling support of whole restricted type so that inner core component is replaceable after shake, pioneering for this field.
(2) power transmission is reasonable, and stress is ingenious.When inner core component tension, high-strength bolt transmits the pulling force on inner core component
On the outside of to kernel in connecting cover plate, while peripheral constraint component sliding is limited, peripheral constraint component is not involved in stress at this time.When interior
When core component is pressurized, high-strength bolt limits peripheral constraint component sliding, and peripheral constraint component is in by curved state, constrains two
Inner core component buckling unstability.
(3) simple structure, a component multipurpose.Simple structure of the present invention, all components can be prefabricated in the factory completion,
Assembly, high precision machining, without excessively complicated working procedure are implemented in factory or construction site.For connecting each structure in the present apparatus
The high-strength bolt of part plays the role of " power transmission " and " limit ", the limiting device without in addition setting peripheral constraint component.
Description of the drawings
Fig. 1 is a kind of graphics of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 2 is a kind of broken away view of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 3 is a kind of front view of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 4 is a kind of side view of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 5 is a kind of vertical view of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 6 is a kind of inner core component subregion schematic diagram of the anti-buckling support of whole restricted type of replaceable kernel；
Fig. 7 is that a kind of inner core component of the anti-buckling support of whole restricted type of replaceable kernel weakens type schematic diagram：(a)
Weaken form for dog bone, and is not filled with；(b) it is that dog bone weakens form, and rubber filling；(c) it is fluting weakening form；
Fig. 8 is a few class forms of alternative inner core component and peripheral constraint component：(a) it is replaceable "-" type kernel
The anti-buckling support of concrete restraining tube type；(b) it is the anti-buckling branch of concrete restraining tube type of replaceable cross kernel
Support；(c) it is the anti-buckling support of concrete restraining tube type of replaceable I-shaped kernel；(d) it is replaceable "-" type kernel
The anti-buckling support of concrete filled steel tube restraining tube type；(e) it is four concrete filled steel tube restraining tube types of replaceable cross kernel
Anti-buckling support；(f) it is the anti-buckling support of double steel pipe concrete restraining tube type of replaceable "-" type kernel；(g) being can be more
Change the anti-buckling support of all steel restraining tube type of "-" type kernel；(h) it is all steel restraining tube type of replaceable cross kernel
Anti-buckling support；(i) it is the anti-buckling support of all steel restraining tube type of replaceable I-shaped kernel.
Specific implementation mode
Below in conjunction with the accompanying drawings 1~8, the embodiment of this patent is described in detail.
As shown in Fig. 1~8, a kind of anti-buckling support of whole restricted type of replaceable kernel includes with lower component：
1 --- inner core component；
2 --- peripheral constraint component；
3 --- connecting cover plate on the outside of kernel；
4 --- high-strength bolt；
5 --- end reinforcement area；
6 --- middle part weakening area；
7 --- end trepanning bonding pad；
8 --- dog bone weakens；
9 --- fluting weakens；
10 --- rubber material is filled；
11 --- line-styled inner core component；
12 --- " ten " font inner core component；
13 --- " I " fonts inner core component；
14 --- concrete restraining tube type component；
15 --- concrete filled steel tube restraining tube type component；
16 --- all steel restraining tube type component.
As shown in figures 1-8, the anti-buckling support of whole restricted type of a kind of replaceable kernel, including two inner core components (1),
Peripheral constraint component (2), connecting cover plate (3) on the outside of kernel, high-strength bolt (4).When installation two inner core components (1) respectively from
Both sides penetrate peripheral constraint component (2), and both ends are held out against, and high-strength bolt (4) sequentially passes through connecting cover plate on the outside of kernel (3)
And peripheral constraint component (2), it is then whole by applying pretightning force by above each component contact, forms anti-buckling support.
Inner core component (1) is divided into three regions, as shown in fig. 6, respectively end reinforcement area (5), middle part weakening area (6) and
End trepanning bonding pad (7).End reinforcement area (5) can reinforce according to a conventional method, by adding floor；Middle part weakening area
(6), (8) are weakened using dog bone or fluting weakens (9) mode and controlled, weaken width is more than high-strength bolt hole diameter two
Times, weaken area's filled rubber material (10), or be not filled with, ensures that the regional cross section tensile bearing capacity is weaker than other two regions, this
Example weakens (8) form setting middle part using dog bone and weakens area (6), and weakens area and be not filled with；End trepanning bonding pad (7) is used
In the connection with connecting cover plate on the outside of kernel (3) and peripheral constraint component (2), ensure " power transmission " and " limit of high-strength bolt (4)
Position " function.
Two inner core components (1) penetrate peripheral constraint component (2) from both sides respectively when specific assembling, and both ends are held out against,
High-strength bolt (4) passes through connecting cover plate (3), peripheral constraint component (2) and inner core component (1) on the outside of kernel, then by applying
It will each component contact be above whole to add pretightning force, form the anti-buckling support of the present invention." one " word can be used in inner core component (1)
Concrete periphery can be used in type component (11), " ten " font component (12) or " I " fonts component (13), peripheral constraint component (2)
Restricted type component (14), concrete filled steel tube restraining tube type component (15) or all steel restraining tube type component (16).Inner core component
(1) concrete form after being combined with peripheral constraint component (2) refers to Fig. 8, and user can independently select according to structure design demand.
This example chooses line-styled inner core component (11) and all steel restraining tube type component (16).Additionally, this invention is not limited to this realities
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (5)
1. a kind of anti-buckling support of whole restricted type of replaceable kernel, it is characterised in that：The anti-buckling support is by two kernels
Component, peripheral constraint component, connecting cover plate and high-strength bolt composition on the outside of kernel；The anti-buckling support overcomes traditional whole
The drawbacks of anti-buckling support of restricted type can not replace inner core component after disruption, is based on kernel block assembly formula design concept, leads to
It crosses two inner core components and holds out against transmission axial compressive force, axial tension is transmitted by connecting cover plate on the outside of kernel and high-strength bolt,
Inner core component plasticity region, peripheral constraint component are controlled by the way that the weakening of dog bone or fluting weakening are arranged on inner core component
Still playing prevents the purpose of two inner core component buckling unstabilitys；It only need to be by dismantling connection on the outside of high-strength bolt and kernel after shake
Cover board can pull out two inner core components from peripheral constraint component, and the anti-buckling support for replacing inner core component may continue to
It uses, meets functional rehabilitation demand after shake；There are the gaps 1-2mm between the peripheral constraint component and inner core component surface,
Or rubber filling；Two inner core components need guiding through peripheral constraint component when mounted and end is held out against, and then pass through interior
Connecting cover plate and high-strength bolt contact inner core component and peripheral constraint component for entirety on the outside of core.
2. a kind of anti-buckling support of whole restricted type of replaceable kernel according to claim 1, it is characterised in that：It is described
Inner core component, monolithic is elongated to be divided into three regions：End reinforcement area --- avoid anti-buckling support inner core component end from occurring
Warpage destroys；Middle part weakening area --- inner core component plasticity region carries out in such a way that dog bone weakens or slot weakening
Control weakens twice that width is more than high-strength bolt hole diameter, weakens area's filled rubber material, or be not filled with, ensures the area
Domain section tensile bearing capacity is weaker than other two regions, to control in the area plastic failure；End trepanning connection
Area --- for the connection with connecting cover plate on the outside of kernel and peripheral constraint component, axial tension is transmitted by high-strength bolt,
And limit peripheral constraint component sliding.
3. a kind of anti-buckling support of whole restricted type of replaceable kernel according to claim 1, it is characterised in that：It is described
Kernel on the outside of connecting cover plate and peripheral constraint component should be in the corresponding position trepanning of kernel component ends trepanning bonding pad；It is logical
Installation high-strength bolt is crossed to be linked together connecting cover plate, peripheral constraint component and two inner core components on the outside of kernel.
4. a kind of anti-buckling support of whole restricted type of replaceable kernel according to claim 1, it is characterised in that：It is described
Kernel on the outside of connecting cover plate plate material yield strength be higher than inner core component material, total anti-of connecting cover plate on the outside of all kernels
High capacity is drawn to weaken twice of area section tensile bearing capacity in inner core component middle part；The high-strength bolt has intermal force
And position-limiting action, when inner core component tension, high-strength bolt transmits connecting cover plate on the outside of the pulling force to kernel on inner core component
On, while it limits peripheral constraint component sliding, peripheral constraint component is not involved in stress at this time；It is high when inner core component is pressurized
Strength bolt group limits peripheral constraint component sliding, and peripheral constraint component is in by curved state, is constrained two inner core component bucklings and is lost
Surely.
5. a kind of anti-buckling support of whole restricted type of replaceable kernel according to claim 1, it is characterised in that：It is described
Inner core component, be line-styled, " ten " font or " I " fonts component；The peripheral constraint component is concrete periphery
Restricted type component, concrete filled steel tube restraining tube type component or all steel restraining tube type component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499490.2A CN108678483B (en) | 2018-05-23 | 2018-05-23 | Integral constraint type buckling-restrained brace with replaceable core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499490.2A CN108678483B (en) | 2018-05-23 | 2018-05-23 | Integral constraint type buckling-restrained brace with replaceable core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108678483A true CN108678483A (en) | 2018-10-19 |
| CN108678483B CN108678483B (en) | 2020-08-07 |
Family
ID=63807974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499490.2A Active CN108678483B (en) | 2018-05-23 | 2018-05-23 | Integral constraint type buckling-restrained brace with replaceable core |
Country Status (1)
| Country | Link |
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| CN (1) | CN108678483B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924553A (en) * | 2019-12-10 | 2020-03-27 | 东北林业大学 | Assembled buckling restrained brace |
| CN113175256A (en) * | 2021-04-13 | 2021-07-27 | 同济大学 | Midpoint bolt reinforced laminated wood buckling restrained brace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092052A (en) * | 2002-08-29 | 2004-03-25 | Shimizu Corp | Brace damper |
| CN102493570A (en) * | 2011-12-19 | 2012-06-13 | 苗启松 | Multi-stage series anti-buckling support and manufacturing method |
| JP2015172272A (en) * | 2014-03-11 | 2015-10-01 | 大和ハウス工業株式会社 | Joint structure of buckling restraining brace |
| JP2015178708A (en) * | 2014-03-19 | 2015-10-08 | 大和ハウス工業株式会社 | Joining structure of split type buckling restraining brace |
| CN106639029A (en) * | 2017-02-04 | 2017-05-10 | 同济大学 | All-steel-assembled buckling restrained brace with lateral side capable of being inspected |
| CN206309097U (en) * | 2016-12-15 | 2017-07-07 | 广州华森建筑与工程设计顾问有限公司 | The replaceable assembled buckling restrained brace of section is surrendered after one kind shake |
-
2018
- 2018-05-23 CN CN201810499490.2A patent/CN108678483B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092052A (en) * | 2002-08-29 | 2004-03-25 | Shimizu Corp | Brace damper |
| CN102493570A (en) * | 2011-12-19 | 2012-06-13 | 苗启松 | Multi-stage series anti-buckling support and manufacturing method |
| JP2015172272A (en) * | 2014-03-11 | 2015-10-01 | 大和ハウス工業株式会社 | Joint structure of buckling restraining brace |
| JP2015178708A (en) * | 2014-03-19 | 2015-10-08 | 大和ハウス工業株式会社 | Joining structure of split type buckling restraining brace |
| CN206309097U (en) * | 2016-12-15 | 2017-07-07 | 广州华森建筑与工程设计顾问有限公司 | The replaceable assembled buckling restrained brace of section is surrendered after one kind shake |
| CN106639029A (en) * | 2017-02-04 | 2017-05-10 | 同济大学 | All-steel-assembled buckling restrained brace with lateral side capable of being inspected |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924553A (en) * | 2019-12-10 | 2020-03-27 | 东北林业大学 | Assembled buckling restrained brace |
| CN110924553B (en) * | 2019-12-10 | 2021-11-12 | 东北林业大学 | Assembled buckling restrained brace |
| CN113175256A (en) * | 2021-04-13 | 2021-07-27 | 同济大学 | Midpoint bolt reinforced laminated wood buckling restrained brace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108678483B (en) | 2020-08-07 |
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