CN108385845A - A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment - Google Patents
A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment Download PDFInfo
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- CN108385845A CN108385845A CN201810160998.XA CN201810160998A CN108385845A CN 108385845 A CN108385845 A CN 108385845A CN 201810160998 A CN201810160998 A CN 201810160998A CN 108385845 A CN108385845 A CN 108385845A
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- variation rigidity
- damping
- cylinder
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- extrusion pressing
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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
- E04B1/36—Bearings or like supports allowing movement
-
- 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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipments, it is related to structure of vibration isolation technical field, which includes upper cover plate, upper spacer, groove, graphene polyvinyl chloride composite materials layer, upper spill crushing block, compound high damping material layer, lower convex crushing block, variation rigidity cylinder, lower plate；Compared with traditional rubber support shock isolator, the present invention is when earthquake displacement is smaller, rigidity and damping energy dissipation performance are relatively low, with the increase of displacement, upper spill crushing block and lower convex crushing block squeeze the compound high damping material of chlorinated scoline phenolic resin, damping energy dissipation performance increases, the enhancing of extrusion pressing type shock insulation energy dissipation capacity；When earthquake displacement is larger, rigidity and damping energy dissipation performance reach maximum, and upper cover plate drives variation rigidity cylinder to work together, and the STG in variation rigidity cylinder changes the rigidity of earthquake isolating equipment, wherein compound high damping material makes damping energy dissipation performance increase.
Description
Technical field
The invention mainly relates to structures isolation effect technical field, be related to it is a kind of based on rubber and shear thickening materials for hindering
A kind of dynamic Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment of vibration isolation.
Background technology
Attention further with people to building seismic isolation technology, architectural vibration-insulation rubber supporting seat have become most of shock insulation dresses
The component part set, it can absorb seismic energy by being deformed in earthquake, play the role of shock insulation.High-damping rubber
Glue bearing is one kind in vibration isolator rubber bearing, it has compared with high-damping, and the energy consumption dual work(of shock insulation may be implemented in earthquake response
Energy.
Compared with common natural rubber, high-damping rubber has very high damping and amortization.Phenolic resin is added in rubber,
Rubber material damping and amortization can be increased, this damping and amortization helps to reduce the resonance amplitude of structure, to avoid structure from being answered because of vibrations
Power, which reaches capacity, causes structure to destroy；After structure is by temporary impact, it can also be restored to stable state quickly.Chlorinated butyl
The compound high damping material of rubber-phenolic resin can effectively absorb energy in earthquake, mitigate seismic response.
Shear thickening glue (Shear thickening gel, STG) is used as a kind of good shear thickening materials, overcomes
The defect that shear thickening liquid (STF) is unstable, sealing is difficult.Under earthquake shock effect, with the increase of strain rate, STG
It experienced from viscous state to rubbery state again to the transformation of glassy state.When being impacted, it can instantaneously become hard glassy
State makes it be difficult to deform.Meanwhile a large amount of energy is absorbed in phase transition process, improve rigidity and non-deformability.
At present in domestic patent, seldom shear thickening materials and high-damping rubber are employed together in shock isolating pedestal.
" high-damping rubber core vibration isolator rubber bearing " disclosed in Chinese patent (application number 201420354520.8) has compared with high-damping, energy
Substantially reduce displacement structure and acceleration response.But it can not achieve rigidity-variable vibration-isolating.Chinese patent (application number
High-damping rubber 201520995755.X) is used in disclosed " high-damp rubber support ", horizontal rigidity is low, has certain
Damping.But under the geological process of different earthquake magnitudes, isolating affection can be subject to certain restrictions.
Invention content
In view of the problems of the existing technology, the present invention proposes a kind of Novel high-damping variation rigidity extrusion pressing type shock insulation dress
It sets, overcomes traditional rubber support shock isolator horizontal rigidity and fix, damping energy dissipation performance is low, and shearing-type shock insulation energy dissipation capacity is weaker
Defect；Shock insulation portion is squeezed by rigidity-variable vibration-isolating part and the annular compound high damping material of chlorinated scoline-phenolic resin
The collaborative work divided can have horizontal direction high-damping variation rigidity characteristic under the earthquake of different earthquake magnitudes.
The present invention is achieved by following technical solution：
A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment, the device include upper cover plate, squeeze cylinder, variation rigidity column
Body and lower plate；The extruding cylinder is hollow structure, and variation rigidity cylinder is equipped in squeezing rod body；The extruding cylinder upper end is logical
It crosses bolt to connect with upper cover plate, lower end is connect by bolt with lower plate；Variation rigidity cylinder upper end by bolt on every
Plate connects, and lower end is connect by bolt with lower plate；The upper spacer is placed in the groove that upper cover plate opens up.
Further, the extruding cylinder is hollow cylindrical structure.
Further, the extruding cylinder includes upper spill crushing block and lower convex crushing block from top to bottom；The fovea superior
Shape crushing block and lower convex crushing block junction are provided with several layers of convex steel disc；It is provided with compound high resistant between the convex steel disc
Damping material layer.
Further, the convex steel disc is two layers.
Further, the variation rigidity cylinder includes cavity, rubber pad, steel plate and steel disc；According to steel disc, rubber, steel disc
Isolation structure is rearranged with cavity；The upper surface of the deformation rigidity cylinder and lower face by steel plate and upper spacer, under
Bottom plate connects.
Further, the isolation structure has three groups.
Further, the cavity is made of the different hollow circuit cylinder suit of two diameters.
Further, the compound high damping material layer is the compound high-damping material of annular chlorinated scoline-phenolic resin
The bed of material.
Further, Graphene-polyvinyl chloride composite material layer is provided between the upper cover plate and upper spacer.
Further, the cavity is STG cavitys, and shear thickening glue is filled in the STG cavitys.
Compared with prior art, the present invention has the following advantages：
1, the present invention is fixed for traditional rubber support horizontal direction rigidity, using the design of variation rigidity cylinder in earthquake shock
Under effect, STG therein can absorb big energy with the increase of strain rate, change the rigidity of earthquake isolating equipment, realize every
Shake device horizontal direction variable rigidity.
2, the present invention is low for traditional shock isolating pedestal damping force energy consumption, and the limited problem of shock insulation energy dissipation capacity uses height
Damping material squeezes the parallel connection of shock insulation part and variation rigidity cylinder shock insulation part, improves the shock insulation energy dissipation capacity of earthquake isolating equipment.
3, the present invention is immutable for traditional rubber support rigidity, and damping energy dissipation performance is low, shearing-type shock insulation energy dissipation capacity
Weaker disadvantage, by rigidity-variable vibration-isolating part and the compound high damping material of annular chlorinated scoline-phenolic resin squeeze every
The collaborative work of part is shaken, there can be horizontal direction high-damping variation rigidity characteristic under the earthquake of different earthquake magnitudes.
4, when earthquake displacement is larger, upper cover plate drives variation rigidity cylinder to work together, with the increase of strain rate, variation rigidity
STG in cylinder changes the rigidity of earthquake isolating equipment, and the compound high damping material in variation rigidity cylinder makes damping energy dissipation performance increase
Add, has the function that high-damping rigidity-variable vibration-isolating consumes energy.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment of the present invention；
Fig. 2 is the partial cutaway view of Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram of variation rigidity cylinder；
Fig. 4 is the dimensional structure diagram of variation rigidity cylinder.
Reference numeral is as follows：
1- upper cover plates；2- upper spacers；3- grooves；4- Graphene-polyvinyl chloride composite material layers；The upper spill crushing blocks of 5-；
6- composite damping material layers；Convex crushing block under 7-；8- variation rigidity cylinders；9- cavitys；10- lower plates；11- bolts；12- bolts
Hole；13- steel plates；14- steel discs；15- rubber pads；16- male steel lamellas；17- squeezes cylinder.
Specific implementation mode
To be further understood to the present invention, illustrated in conjunction with attached drawing：
A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment, which is characterized in that the device includes upper cover plate 1, squeezes
Cylinder 17, variation rigidity cylinder 8 and lower plate 10；The extruding cylinder 17 is hollow cylindrical structure, squeezes and is equipped with change in cylinder 17
Rigidity cylinder 8；17 upper end of extruding cylinder is connect by bolt with upper cover plate 1, and lower end is connect by bolt with lower plate 10；
8 upper end of variation rigidity cylinder is connect by bolt with upper spacer 2, and lower end is connect by bolt with lower plate 10；On described every
Plate 2 is placed in the groove 3 that upper cover plate 1 opens up；
The extruding cylinder 17 includes upper spill crushing block 5 and lower convex crushing block 7 from top to bottom；The upper spill squeezes
Block 5 and lower 7 junction of convex crushing block are provided with two layers of convex steel disc 16；It is provided with compound high resistant between the convex steel disc 16
Damping material layer 6；
The variation rigidity cylinder 8 includes cavity 9, rubber pad 15, steel plate 13 and steel disc 14；According to steel disc 14, rubber 15, steel
Piece 14 and cavity 9 rearrange 3 groups of isolation structures；The upper surface of the deformation rigidity cylinder 8 passes through steel plate 13 with lower face
It is connect with upper spacer 2, lower plate 10；
The cavity 9 is made of the different hollow circuit cylinder suit of two diameters.The compound high damping material layer 6 is annular
The compound high damping material layer of chlorinated scoline-phenolic resin.It is poly- that graphene-is provided between the upper cover plate 1 and upper spacer 2
Vinyl chloride composite layer 4.The cavity 9 is STG cavitys, and shear thickening glue is filled in the STG cavitys.
In conjunction with attached Fig. 1 and 2, a kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment, including upper cover plate 1, upper spacer 2,
Groove 3, Graphene-polyvinyl chloride composite material layer 4, upper spill crushing block 5, chlorinated scoline-phenolic resin of annular are multiple
Close high damping material layer 6, lower convex crushing block 7, variation rigidity cylinder 8, lower plate 10, bolt 11, bolt hole 12, STG cavitys 9,
Rubber pad 15；Internal structure chart is shown in that Fig. 1, rigidity-variable vibration-isolating part-structure schematic diagram are seen figures 3 and 4, and grooves 3 are opened in 1 bottom of upper cover plate
Portion, for Graphene-polyvinyl chloride composite material layer 4 by being adhesive in after surface treatment in groove 3, rubber pad 15 passes through bonding by Vulcanization
In 3 end of groove；Steel plate 13, steel disc 14 and material are the compound high damping material layer 6 of chlorinated scoline-phenolic resin by upper
It is alternately laminated successively and connected using bonding agent bonding under, every two layers of compound high-damping of chlorinated scoline-phenolic resin
Cavity 9 is set among material layer 6, constitutes variation rigidity cylinder 8；Variation rigidity cylinder 8 passes through steel plate 13 and upper spacer 2, lower plate
10 are bolted；Upper spacer 2, variation rigidity cylinder 8 and lower plate 10 constitute intermediate rigidity-variable vibration-isolating part；Undertake horizontal direction
Shock insulation consumes energy.Upper cover plate 1 opens up the design of groove 3, makes earthquake isolating equipment that can realize the shock insulation energy consumption of variation rigidity in horizontal direction.Upper cover
Plate 1 is bolted with upper spill crushing block 5, the compound high damping material 6 of annular chlorinated scoline-phenolic resin with it is convex
Shape steel disc layer 16, upper spill crushing block 5, lower convex crushing block 7 are bonded together by high temperature vulcanized, lower convex crushing block 7 with
Lower plate 10 is bolted；Upper spill crushing block 5, compound 6 and of high damping material of annular chlorinated scoline-phenolic resin
Lower convex crushing block 7 constitutes the compound high damping material of annular chlorinated scoline-phenolic resin and squeezes shock insulation part；It undertakes perpendicular
It consumes energy to bearing capacity and horizontal direction shock insulation.Upper cover plate 1 drives upper spill crushing block 5 to move, when earthquake displacement is smaller, earthquake isolating equipment
Rigidity and damping energy dissipation performance it is relatively low, with the increase of displacement, upper spill crushing block 5 and lower convex crushing block 7 squeeze chlorination
The compound high damping material of butyl rubber-phenolic resin, damping energy dissipation performance increase, and the enhancing of extrusion pressing type shock insulation energy dissipation capacity is realized
Horizontal direction shock insulation consumes energy.When earthquake displacement is larger, upper cover plate 1 drives variation rigidity cylinder 8 to work together, with the increasing of strain rate
Add, the STG materials in variation rigidity cylinder 8 change the rigidity of earthquake isolating equipment, the compound high damping material layer in variation rigidity cylinder 8
6 make damping energy dissipation performance increase, and have the function that high-damping rigidity-variable vibration-isolating consumes energy.
Embodiment
In conjunction with a kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment that attached drawing 1 is the present invention, which includes upper cover
Plate 1, upper spacer 2, groove 3, Graphene-polyvinyl chloride composite material layer 4, upper spill crushing block 5, annular chlorinated scoline-
The compound high damping material layer 6 of phenolic resin, lower convex crushing block 7, variation rigidity cylinder 8, cavity 9, lower plate 10, bolt hole 12；
It is characterized in that：Groove 3 is opened in 1 bottom of upper cover plate, and Graphene-polyvinyl chloride composite material layer 4 passes through gluing after surface treatment
In groove 3, rubber pad 15 is by bonding by Vulcanization in 3 end of groove；Steel plate 13, steel disc 14 and chlorinated scoline-phenolic aldehyde tree
The compound high damping material layer 6 of fat is alternately laminated successively from top to bottom and is connected using bonding agent bonding, every two layers of chlorinated butyl
Setting STG cavitys 9, constitute variation rigidity cylinder 8 among the compound high damping material layer of rubber-phenolic resin；Variation rigidity cylinder 8 is logical
Steel plate 13 is crossed to be bolted with upper spacer 2, lower plate 10；Upper spacer 2, variation rigidity cylinder 8 and lower plate 10 constitute intermediate
Rigidity-variable vibration-isolating part；Upper cover plate 1 is bolted with upper spill crushing block 5, and annular chlorinated scoline-phenolic resin is multiple
It closes high damping material layer 6 and is bonded in one by high temperature vulcanized with male steel lamella 16, upper spill crushing block, lower convex crushing block
It rises, lower convex crushing block 7 is bolted with lower plate 10；Upper spill crushing block 5, annular chlorinated scoline-phenolic aldehyde tree
The compound high damping material layer 6 of fat and lower convex crushing block 7 constitute the compound high-damping material of annular chlorinated scoline-phenolic resin
Material squeezes shock insulation part.Upper cover plate 1 and the reserved a certain number of bolts hole 12 of lower plate 10, it is convenient to be connect with external structure.
Operation principle
The present invention is by squeezing rigidity-variable vibration-isolating part and the annular compound high damping material of chlorinated scoline-phenolic resin
Press the mode of shock insulation part in parallel, a kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment of formation.The present invention is in extraneous ring
Under the excitation of border, Horizontal Vibration effect, upper cover plate 1 drives upper spill crushing block 5 to move, when earthquake displacement is smaller, rigidity and resistance
Buddhist nun's energy-dissipating property is relatively low；With the increase of displacement, upper spill crushing block 5 and lower convex crushing block 7 squeeze chlorinated scoline-phenol
The compound high damping material 6 of urea formaldehyde, damping energy dissipation performance increase, and realize the energy consumption of horizontal direction shock insulation；When earthquake Displacement Ratio is larger,
Rigidity and damping energy dissipation performance reach maximum, and upper cover plate 1 drives variation rigidity cylinder 8 to work together, upper spacer 2 and lower plate 10 it
Between generate relative displacement, so that the compound high-damping rubber layer of chlorinated scoline-phenolic resin in variation rigidity cylinder 6 is become
Shape, with the increase of strain rate, the STG in variation rigidity cylinder 8 changes the rigidity of earthquake isolating equipment, answering in variation rigidity cylinder 8
Closing high damping material layer 6 makes damping energy dissipation performance increase.The high-damping variation rigidity of final achievable earthquake isolating equipment squeezes shock insulation effect
Fruit.
The embodiment is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment, which is characterized in that the device includes upper cover plate (1), squeezes
Cylinder (17), variation rigidity cylinder (8) and lower plate (10)；The extruding cylinder (17) is hollow structure, is squeezed in cylinder (17)
Equipped with variation rigidity cylinder (8)；The extruding cylinder (17) upper end is connect by bolt with upper cover plate (1), lower end by bolt with
Lower plate (10) connects；Variation rigidity cylinder (8) upper end is connect by bolt with upper spacer (2), and lower end is by bolt under
Bottom plate (10) connects；The upper spacer (2) is placed in the groove (3) that upper cover plate (1) opens up.
2. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 1, which is characterized in that the squeezing rod
Body (17) is hollow cylindrical structure.
3. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 1, which is characterized in that the squeezing rod
Body (17) includes upper spill crushing block (5) and lower convex crushing block (7) from top to bottom；The upper spill crushing block (5) and under it is convex
Shape crushing block (7) junction is provided with several layers of convex steel disc (16)；It is provided with compound high-damping between the convex steel disc (16)
Material layer (6).
4. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 3, which is characterized in that the male steel
Piece (16) is two layers.
5. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 1, which is characterized in that the variation rigidity
Cylinder (8) includes cavity (9), rubber pad (15), steel plate (13) and steel disc (14)；According to steel disc (14), rubber (15), steel disc
(14) and cavity (9) rearranges isolation structure；The upper surface of the variation rigidity cylinder (8) passes through steel plate (13) with lower face
It is bolted with upper spacer (2), lower plate (10).
6. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 5, which is characterized in that the shock insulation knot
Structure has three groups.
7. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 5, which is characterized in that the cavity
(9) it is made of the different hollow circuit cylinder suit of two diameters.
8. being existed according to claim 3 or 7 any one of them Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipments, feature
In the compound high damping material layer (6) is the compound high damping material layer of annular chlorinated scoline-phenolic resin.
9. Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment according to claim 1, which is characterized in that the upper cover plate
(1) Graphene-polyvinyl chloride composite material layer (4) is provided between upper spacer (2).
10. being existed according to claim 5 or 7 any one of them Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipments, feature
In the cavity (9) is STG cavitys, and shear thickening glue is filled in the STG cavitys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160998.XA CN108385845A (en) | 2018-02-26 | 2018-02-26 | A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160998.XA CN108385845A (en) | 2018-02-26 | 2018-02-26 | A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108385845A true CN108385845A (en) | 2018-08-10 |
Family
ID=63069849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160998.XA Pending CN108385845A (en) | 2018-02-26 | 2018-02-26 | A kind of Novel high-damping variation rigidity extrusion pressing type earthquake isolating equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973137A (en) * | 2019-03-28 | 2019-07-05 | 河南理工大学 | A kind of methane explosion prevention partition for underground |
| CN111945553A (en) * | 2020-07-15 | 2020-11-17 | 黄山市尚义橡塑制品有限公司 | Modified high-damping composite material rubber support |
| CN113737959A (en) * | 2021-09-17 | 2021-12-03 | 沈阳建筑大学 | Laminated rubber support based on shear thickening fluid |
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| CN201722603U (en) * | 2010-07-09 | 2011-01-26 | 中国建筑科学研究院 | Variable-stiffness vibration-insulation support |
| KR20130082330A (en) * | 2012-01-11 | 2013-07-19 | 한국과학기술원 | Semi-active seismic isolation devices |
| CN103469897A (en) * | 2013-09-30 | 2013-12-25 | 衡水震泰隔震器材有限公司 | Frictional damping shock-insulating rubber supporting base |
| CN105780930A (en) * | 2016-02-15 | 2016-07-20 | 沈阳建筑大学 | STF high-energy-consumption sliding support |
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2018
- 2018-02-26 CN CN201810160998.XA patent/CN108385845A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201722603U (en) * | 2010-07-09 | 2011-01-26 | 中国建筑科学研究院 | Variable-stiffness vibration-insulation support |
| KR20130082330A (en) * | 2012-01-11 | 2013-07-19 | 한국과학기술원 | Semi-active seismic isolation devices |
| CN103469897A (en) * | 2013-09-30 | 2013-12-25 | 衡水震泰隔震器材有限公司 | Frictional damping shock-insulating rubber supporting base |
| CN105780930A (en) * | 2016-02-15 | 2016-07-20 | 沈阳建筑大学 | STF high-energy-consumption sliding support |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973137A (en) * | 2019-03-28 | 2019-07-05 | 河南理工大学 | A kind of methane explosion prevention partition for underground |
| CN111945553A (en) * | 2020-07-15 | 2020-11-17 | 黄山市尚义橡塑制品有限公司 | Modified high-damping composite material rubber support |
| CN113737959A (en) * | 2021-09-17 | 2021-12-03 | 沈阳建筑大学 | Laminated rubber support based on shear thickening fluid |
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