CN109356299A - A kind of novel buckling restrained brace stage by stage - Google Patents
A kind of novel buckling restrained brace stage by stage Download PDFInfo
- Publication number
- CN109356299A CN109356299A CN201811313086.8A CN201811313086A CN109356299A CN 109356299 A CN109356299 A CN 109356299A CN 201811313086 A CN201811313086 A CN 201811313086A CN 109356299 A CN109356299 A CN 109356299A
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- plug
- stage
- buckling restrained
- restrained brace
- plate
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- 239000000945 filler Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 4
- 239000011162 core material Substances 0.000 description 60
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of novel buckling restrained braces stage by stage, including buckling restrained brace, connector, several plug-in buckling restrained braces, first end plate and the second end plate；One end of the buckling restrained brace is fixed in the first end plate, the other end of the buckling restrained brace is fixed on second end plate, the connector is fixed on the outside of the buckling restrained brace, one end of the plug-in buckling restrained brace is fixed on the connector, the other end of the plug-in buckling restrained brace is fixed on second end plate, the present invention passes through the surrender stage by stage of metal, lesser yield displacement and biggish two-stage rigidity may be implemented, yield strength can be increased, double rank surrender components enable to deformation of the building structure under earthquake more uniform simultaneously, it ensure that the stability and safety of building structure.
Description
Technical field
The present invention relates to building structure field, in particular to a kind of novel buckling restrained brace stage by stage.
Background technique
Buckling restrained brace is a kind of important structure lateral resistant member and energy dissipation component, in recent years in China's building field
Obtain more application.It consumes inputting seismic energy by the surrender hysteresis of metal, to slow down the damage of main structure.
Buckling restrained brace is by elastic connection section, energy consumption section, tied mechanism (concrete filled steel tube tied mechanism, clean steel tied mechanism, reinforcing bar
Concrete tied mechanism etc.), each sections composition such as non-cohesive material.Common buckling restrained brace interface form includes linear type
Section, cross section, H-type section, box-type section etc., these section forms have its reasonable scope of application, such as a word
Shape, cross, H-type section, the bearing capacity of box-type section are higher and higher.
It is a kind of novel damping component to grow up in recent years that dual-stage, which surrenders cushioning members, stage by stage by metal
Surrender, may be implemented lesser yield displacement and biggish two-stage rigidity, and analysis and research show that double rank surrender components can
So that deformation of the building structure under earthquake is more uniform.
Although can use metal material curved scissors realization surrender stage by stage, current technology be also implicitly present in it is this according to
It is realized in such a way that axial deformation is combined by bending deformation or bending deformation and is surrendered stage by stage, but utilize bending and shearing
Mechanism also brings the complexity of connection and the utilization efficiency of material not high (to need sheet fabrication becoming the forms material such as dog bone simultaneously
Material loss is big) the problems such as.For these problems, it is thus proposed that the support of surrender stage by stage of buckling-restrained mechanism passes through buckling
The energy consumption core plate on constraint support internal two surrender opportunitys of setting is surrendered stage by stage with realizing, this design takes full advantage of buckling
The mechanism of constraint, but due to putting the part of small shake surrender in casing into, and the damper of small shake surrender may shake greatly in
Lower destruction, once damage will be unable to replace.
Therefore it is present to solve the problems, such as to be badly in need of a kind of novel buckling restrained brace stage by stage now.
Summary of the invention
In view of the above problems in the prior art, the object of the present invention is to provide a kind of novel branch buckling-restrained stage by stage
Support.
In order to solve the above-mentioned technical problem, the specific technical solution of the present invention is as follows:
The present invention provides a kind of novel buckling restrained brace stage by stage, including buckling restrained brace, connector, several
Plug-in buckling restrained brace, first end plate and the second end plate；One end of the buckling restrained brace is fixed on the first end plate
On, the other end of the buckling restrained brace is fixed on second end plate, and the connector is fixed on described buckling-restrained
The one end in the outside of support, the plug-in buckling restrained brace is fixed on the connector, the plug-in buckling restrained brace
The other end be fixed on second end plate, the outer of buckling restrained brace is just arranged in the plug-in buckling restrained brace described in this way
Side constitutes two stage buckling restrained brace.
Specifically, the buckling restrained brace includes casing, filler and core plate and two core plate connectors, described
Core plate is nested in described sleeve pipe, and the filler is arranged between described sleeve pipe and the core plate, the core plate connector weldering
It connects and is equipped with non-cohesive material between the both ends of the core plate, the core plate and the filler.
Further, the core plate connector of one end of described sleeve pipe and described core plate one end is welded on described first
On end plate, the other end of described sleeve pipe and second end plate are disengaged, and the core plate connector of the other end of the core plate is welded on
On second end plate.
Specifically, the plug-in buckling restrained brace includes plug-in described in plug-in casing, plug-in filler and plug-in core plate
Core plate is nested in the plug-in casing, and the length of the plug-in core plate is slightly longer than the length of the plug-in casing, described plug-in
Filler is arranged between the plug-in casing and the plug-in core plate, sets between the plug-in core plate and the plug-in filler
There is non-cohesive material, end plate is set at the both ends of the plug-in casing of the plug-in buckling restrained brace, it is described plug-in for sealing
Two ports of casing.
Optionally, the plug-in core plate is arranged using variable cross-section, and the plug-in core plate is nested in the plug-in casing
In a part of cross-sectional area it is smaller, a part of cross-sectional area that the plug-in core plate stretches out the plug-in casing is larger.
Preferably, 1.5 times of the lesser cross-sectional area are less than the biggish cross-sectional area.
Further, the connector includes connecting plate and several stiffening plates, and the connecting plate is fixed on described sleeve pipe
On, and it is vertical with described sleeve pipe long axis direction, several location holes are set on the connecting plate, and the location hole is slotted hole；Institute
The side that stiffening plate is fixed on the connecting plate is stated, for reinforcing the intensity of the connecting plate.
Further, several location holes are set on second end plate.
Further, described plug-in core plate one end is threadedly secured on second end plate by location hole, described plug-in
The other end of core plate is threadedly secured on the connecting plate by location hole.
Optionally, one end of the plug-in core plate and the connector are welded to connect, the plug-in core plate other end
It is welded to connect with second end plate.
Preferably, the stiffening plate is the vertical connecting plate setting, and the stiffening plate is welded on the company on one side
On fishplate bar, adjacent one side is welded in described sleeve pipe.
Further, the filler and the plug-in filler are mortar.
Specifically, the plug-in buckling restrained brace is two, is oppositely arranged on the two sides of the buckling restrained brace.
Further, the material of the core plate and plug-in core plate be steel, the steel be LY100, LY160, LY225,
One of Q235 and Q345.
Further, the cross section of described sleeve pipe is rectangle or circle, and the cross section of the plug-in casing is rectangle or circle
Shape.
Further, plug-in buckling restrained brace is made of profile.
By adopting the above technical scheme, the novel buckling restrained brace stage by stage of one kind of the present invention has as follows
The utility model has the advantages that
1. the novel buckling restrained brace stage by stage of one kind of the present invention, casing one end and first of buckling restrained brace
End plate connection, the other end and the second end plate disengage, so that casing can make full use of the material of casing as flexible connector
Material, increases the yield strength of structure.
2. the novel buckling restrained brace stage by stage of one kind of the present invention, plug-in buckling restrained brace simple structure are adopted
It is made of profile, even if the component as first stage surrender is damaged also readily replaceable, has saved cost, increased branch
The service life of support.
3. the novel buckling restrained brace stage by stage of one kind of the present invention, the plug-in core plate of plug-in buckling restrained brace are adopted
With being screwed, rapid processing, Fast Installation, quick-replaceable after shake can be realized.
4. the novel buckling restrained brace stage by stage of one kind of the present invention, structure is simple and clear, is simple to manufacture, Ke Yishi
Existing lesser yield displacement and biggish two-stage rigidity, while double ranks surrender component enables to building structure under earthquake
Deformation it is more uniform, increase practicability.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
The structural schematic diagram of the novel buckling restrained brace stage by stage of Fig. 1 one kind of the present invention；
The position view of plug-in buckling restrained brace in Fig. 2 Fig. 1；
The cross section the A-A schematic cross-section of embodiment 1 in Fig. 3 Fig. 2；
The cross section the B-B schematic cross-section of embodiment 1 in Fig. 4 Fig. 2；
Second end plate slotted hole structural schematic diagram in the novel buckling restrained brace stage by stage of Fig. 5 one kind of the present invention；
In Fig. 6 embodiment 3 in plug-in buckling restrained brace the plug-in core plate of variable cross-section structural schematic diagram；
The disassembly process schematic diagram of plug-in buckling restrained brace in Fig. 7 embodiment 3；
The installation procedure schematic diagram of the novel buckling restrained brace stage by stage of one kind described in Fig. 8 embodiment 4.
Appended drawing reference in figure: 1- buckling restrained brace, 2- connector, the plug-in buckling restrained brace of 3-, 4- first end plate, 5-
Second end plate, 11- casing, 12- filler, 13- core plate, 14- core plate connector, 21- connecting plate, 22- stiffening plate, 31- are plug-in
Casing, the plug-in filler of 32-, the plug-in core plate of 33-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or equipment
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
Present embodiments provide a kind of novel buckling restrained brace stage by stage, if including buckling restrained brace 1, connector 2,
Dry plug-in buckling restrained brace 3, first end plate 4 and the second end plate 5；One end of the buckling restrained brace 1 is fixed on described
In first end plate 4, the other end of the buckling restrained brace 1 is fixed on second end plate 5, and the connector 2 is fixed on
The one end in the outside of the buckling restrained brace 1, the plug-in buckling restrained brace 3 is fixed on the connector 2, described outer
The other end for hanging buckling restrained brace 3 is fixed on second end plate 5, and the plug-in buckling restrained brace described so is just arranged in
The outside of buckling restrained brace constitutes two stage buckling restrained brace.
As shown in Figure 1, the buckling restrained brace 1 provided in this embodiment includes casing 11, filler 12,13 and of core plate
Core plate connector 14, the core plate 13 are nested in described sleeve pipe 11, and the filler 12 setting is in described sleeve pipe 11 and described
Between core plate 13, the core plate connector 14 is welded on the both ends of the core plate 13, the core plate 13 and the filler 12 it
Between be equipped with non-cohesive material；The core plate connector 14 of 13 one end of one end of described sleeve pipe 11 and the core plate is welded on institute
It states in first end plate 4, the other end of described sleeve pipe 11 and second end plate 5 disengage, the core plate of the other end of the core plate 13
Connector 14 is welded on second end plate 5, thus constitutes the main body of buckling restrained brace 1.
As shown in Fig. 2, plug-in buckling restrained brace 3 provided in this embodiment includes plug-in casing 31, plug-in filler 32
It is nested in the plug-in casing 31 with plug-in core material 33 described in plug-in core material 33, the length of the plug-in core material 33 is slightly longer than institute
The length of plug-in casing 31 is stated, the plug-in filler 32 is arranged between the plug-in casing 31 and the plug-in core material 33,
Non-cohesive material is equipped between the plug-in core material 33 and the plug-in filler 32.One end of the plug-in core material 33 with it is described
Connector 2 is welded to connect, and plug-in 33 other end of core material and second end plate 5 are welded to connect, and the connector 2 includes connecting
Fishplate bar 21 and several stiffening plates 22, the connecting plate 21 are fixed in described sleeve pipe 11, and with 11 long axis direction of described sleeve pipe
Vertically；The stiffening plate 22 is fixed on the side of the connecting plate 21, described plug-in for reinforcing the intensity of the connecting plate 22
One end of core material 33 is welded on the connecting plate 21, and the plug-in buckling restrained brace 3 described in this way constitutes first stage surrender
Component, lesser yield displacement may be implemented solve burst lesser earthquake intensity.
Specifically, the filler 12 and the plug-in filler 32 are mortar.
Specifically, the material of the core material 11 and plug-in core material 33 be steel, the steel be LY100, LY160,
One of LY225, Q235 and Q345.
As shown in Figure 3 and Figure 4, the cross section of described sleeve pipe 11 is rectangle, and the cross section of the plug-in casing 31 is rectangle.
The novel buckling restrained brace stage by stage of one kind provided in this embodiment is dual-stage surrender cushioning members, is being assembled
The surrender stage by stage for passing through metal into architectural engineering, may be implemented lesser yield displacement and biggish two-stage rigidity,
Yield strength can be increased, while double ranks surrender component enables to deformation of the building structure under earthquake more uniform, guarantees
The stability and safety of building structure.
Embodiment 2
The present embodiment and embodiment 1 the difference is that: the cross section of described sleeve pipe 11 be circle, the plug-in casing
31 cross section is circle, and cross section is that the buckling restrained brace of rectangle is not necessarily suitble to whole building yards, therefore this reality
Applying example and providing cross section is circular design, the buckling restrained brace stage by stage described in some suitable place devices,
The technical effect of acquirement is also almost the same.
Certainly on the basis of embodiment 1 and embodiment 2, it can also propose that the cross section of described sleeve pipe 11 is rectangle, institute
State that the cross section of plug-in casing 31 is round and the cross section of described sleeve pipe 11 be circle, the plug-in casing 31 it is transversal
Face is rectangle, and two kinds of embodiments, their certain specific technical solutions are also almost the same, is not just repeated one by one here.
Embodiment 3
As shown in fig. 6, plug-in core plate 33 provided in this embodiment is arranged using variable cross-section, the plug-in core plate 33 is nested with
A part of cross-sectional area in the plug-in casing 31 is smaller, and the plug-in core plate stretches out a part of cross of the plug-in casing
Area of section is larger；Preferably, 1.5 times of the lesser cross-sectional area are less than the biggish cross-sectional area.
The connector 2 includes connecting plate 21 and several stiffening plates 22, and the connecting plate 21 is fixed in described sleeve pipe 11, and with institute
It is vertical to state casing long axis direction, as shown in figure 5, several location holes are arranged on the connecting plate 21, the location hole is slotted hole；
The stiffening plate 22 is fixed on the side of the connecting plate 21, for reinforcing the intensity of the connecting plate；On second end plate
Several location holes are set.
Described 33 one end of plug-in core plate is threadedly secured on second end plate by location hole, the plug-in core plate it is another
One end is threadedly secured on the connecting plate by location hole.
Plug-in core plate 33 provided in this embodiment is variable cross-section setting, wherein being nested with smaller transversal in outer hanging sleeve pipe 31
The plug-in core plate 33 in face can realize lesser yield displacement in small earthquake, guarantee the stability of building, and larger cross section
Plug-in core plate 33 be mainly its effect for being connected and fixed, cross section is larger, can reinforce the strong of buckling restrained brace stage by stage
Degree.And the set-up mode of slotted hole realizes rapid processing, Fast Installation, quick-replaceable after shake, as shown in fig. 7, slotted hole also makes
It must install more convenient with loan at call, be taken out in the replacement of plug-in buckling restrained brace 3 with certain inclination angle, saved the time.
Embodiment 4
The novel buckling restrained brace stage by stage of one kind provided by embodiment 3, present embodiments provide it is described stage by stage
The installation procedure of buckling restrained brace, as shown in Figure 8, the specific steps are as follows:
S1: 1 both ends of buckling restrained brace are separately fixed in the first end plate 4 and the second end plate 5；
S2: connector 2 is fixed in described sleeve pipe 11；
S3: plug-in 3 both ends of buckling restrained brace mounted in advance are connected on the second end plate 5 and connecting plate 21 and are determined
On the hole of position；
S4: the plug-in buckling restrained brace is fixed on the second end plate 5 and connecting plate 21 by nut.
The installation procedure of buckling restrained brace stage by stage provided in this embodiment is provided for embodiment 3, embodiment 1
Similar with installation procedure provided in this embodiment with the installation procedure of embodiment 2, acquired technical effect is also almost the same,
Here it does not just repeat one by one.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, for those skilled in the art
For, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from of the invention spiritual or substantially special
In the case where sign, the present invention can be realized in other specific forms.It therefore, in all respects, should all be by embodiment
Regard exemplary as, and is non-limiting, the scope of the invention being indicated by the appended claims rather than by the foregoing description,
It is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention.It should not incite somebody to action
Any appended drawing reference in claim is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of novel buckling restrained brace stage by stage, which is characterized in that including buckling restrained brace (1), connector (2) if,
Dry plug-in buckling restrained brace (3), first end plate (4) and the second end plate (5)；One end of the buckling restrained brace (1) is solid
It is scheduled on the first end plate (4), the other end of the buckling restrained brace (1) is fixed on second end plate (5), described
Connector (2) is fixed on the outside of the buckling restrained brace (1), and one end of the plug-in buckling restrained brace (3) is fixed on
On the connector (2), the other end of the plug-in buckling restrained brace (3) is fixed on second end plate (5).
2. the novel buckling restrained brace stage by stage of one kind according to claim 1, which is characterized in that the buckling is about
It includes casing (11), filler (12), core plate (13) and core plate connector (14) that bundle branch, which supports (1), and the core plate (13) is nested with
In described sleeve pipe (11), the filler (12) is arranged between described sleeve pipe (11) and the core plate (13), and the core plate connects
Fitting (14) is welded on the both ends of the core plate (13), and soap-free emulsion polymeization material is equipped between the core plate (13) and the filler (12)
Material.
3. the novel buckling restrained brace stage by stage of one kind according to claim 2, which is characterized in that described sleeve pipe (11)
The core plate connector (14) of one end and the core plate (13) one end is welded on the first end plate (4), described sleeve pipe
(11) the other end and second end plate (5) disengages, and the core plate connector (14) of the other end of the core plate (13) is welded on
On second end plate (5).
4. the novel buckling restrained brace stage by stage of one kind according to claim 1, which is characterized in that the plug-in buckling is about
It includes that plug-in casing (31), plug-in filler (32) and plug-in core plate (33) the plug-in core plate (33) are nested with that bundle branch, which supports (3),
In the plug-in casing (31), the length of the plug-in core plate (33) is slightly longer than the length of the plug-in casing (31), described outer
It hangs filler (32) to be arranged between the plug-in casing (31) and the plug-in core plate (33), the plug-in core plate (33) and institute
It states and is equipped with non-cohesive material between plug-in filler (32).
5. the novel buckling restrained brace stage by stage of one kind according to claim 1, which is characterized in that the connector (2)
Including connecting plate (21) and several stiffening plates (22), the connecting plate (21) is fixed on described sleeve pipe (11), and with it is described
Casing (11) long axis direction is vertical, and several location holes are arranged on the connecting plate (21), and the location hole is slotted hole；It is described to add
Strong plate (22) is fixed on the side of the connecting plate (21), for reinforcing the intensity of the connecting plate (22).
6. the novel buckling restrained brace stage by stage of one kind according to claim 1, which is characterized in that second end plate
(5) several location holes are set on.
7. according to the novel buckling restrained brace stage by stage of the described in any item one kind of claim 4 to 6, which is characterized in that described
Plug-in core plate (33) one end is threadedly secured on second end plate (5) by location hole, the plug-in core plate (33) it is another
End is threadedly secured on the connecting plate (22) by location hole.
8. the novel buckling restrained brace stage by stage of one kind according to claim 2 or 4, which is characterized in that the filler
(12) and the plug-in filler (32) is mortar.
9. the novel buckling restrained brace stage by stage of one kind according to claim 2 or 4, which is characterized in that the core plate
(11) and the material of plug-in core plate (33) is steel.
10. the novel buckling restrained brace stage by stage of one kind according to claim 2 or 4, which is characterized in that described sleeve pipe
(11) cross section is rectangle or circle, and the cross section of the plug-in casing (31) is rectangle or circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313086.8A CN109356299A (en) | 2018-11-06 | 2018-11-06 | A kind of novel buckling restrained brace stage by stage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313086.8A CN109356299A (en) | 2018-11-06 | 2018-11-06 | A kind of novel buckling restrained brace stage by stage |
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| CN109356299A true CN109356299A (en) | 2019-02-19 |
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| CN201811313086.8A Pending CN109356299A (en) | 2018-11-06 | 2018-11-06 | A kind of novel buckling restrained brace stage by stage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295781A (en) * | 2019-07-18 | 2019-10-01 | 华侨大学 | A kind of anti-buckling support device and preparation method thereof of multistage surrender |
| CN115045410A (en) * | 2022-06-13 | 2022-09-13 | 海南震控智能科技有限公司 | Replaceable anti-seismic energy dissipation support |
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