CN107815962A - A kind of bridge damping bearing and damping method - Google Patents
A kind of bridge damping bearing and damping method Download PDFInfo
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- CN107815962A CN107815962A CN201711382779.8A CN201711382779A CN107815962A CN 107815962 A CN107815962 A CN 107815962A CN 201711382779 A CN201711382779 A CN 201711382779A CN 107815962 A CN107815962 A CN 107815962A
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- 238000013016 damping Methods 0.000 title claims abstract description 197
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 107
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
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- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of bridge damping bearing and damping method.Bridge damping bearing includes upper base plate, lower seat board, spherical crown liner plate, Variable Section Steel damping element, the upper anchor rod for connecting upper base plate, the rod that casts anchor of the lower seat board of connection, spherical crown liner plate is connected between upper base plate and lower seat board, and the Variable Section Steel damping element is connected to both sides or the surrounding of upper base plate and lower seat board；The upper end connection upper base plate of Variable Section Steel damping element, the lower seat board of lower end connection.Damping is carried out using above-mentioned bridge damping bearing, reduces the space occupancy rate of damping element by the way that Variable Section Steel damping element to be arranged in surrounding or the both sides of upper base plate and lower seat board；When big shake acts on, by Variable Section Steel damping element damping power consumption and the displacement of limitation bridge damping bearing, so as to reach the purpose for reducing bridge seismic response and girder falling.The present invention can both realize the function of bearing normal use situation, and and can ensures under big shake effect, is consumed energy by the limiting displacement of bearing and damping, prevents bridge from falling beam and have the function that vertical drawing.
Description
Technical field
The present invention relates to bridge earthquake resistance technical field.
Background technology
With expanding economy, construction dynamics of the country to infrastructure also increases, and science of bridge building has obtained high speed development,
China is just strided forward from bridge big country to bridge power.How bridge takes precautions against bridge earthquake centre peace as the multi-purpose project in traffic lines
Have become the matter of great urgency entirely.In order to solve the disaster problem in bridge earthquake, bridge superstructure and substructure it
Between set vibration absorption and isolation support be most simple, economical and effective mode.When normal work or frequently occurred earthquake occur, bridge pad
The requirement of superstructure can be met by the frictional force of itself, but under the extreme conditions such as strong wind, big shake, bridge pad is held
The horizontal loading received is larger, can produce excessive horizontal displacement, cause superstructure to destroy, be also easy to produce bridge superstructure
Fall beam harm.
Application No. CN200820066839.5 patent discloses a kind of E profiled bar damp supports, including upper anchor plate, bottom
Basin, middle liner plate, the upper surface of middle liner plate contact with upper anchor plate lower surface, and the lower end of middle liner plate is located at bottom basin inner chamber
It is interior, the sliding block and guide rail to cooperate is provided between middle liner plate upper end and upper anchor plate lower surface, in upper anchor plate with
Between E shaped steel damping elements are housed between liner plate, E shaped steel damping element is steel E shape molding elements, in the E types damping element three
The end of pin is provided with connecting hole, the connecting hole on any two pin or a pin and upper anchor plate pin in E type damping elements
Axle is hinged, otic placode hinge in the connecting hole and middle liner plate on remaining pin of E shaped steel damping element.The above-mentioned patent seat of honour
Plate, lower base plate structure form can only meet the common stress effect of bearing；Above-mentioned patent E shaped steel damping elements erection support periphery its
Space occupancy rate is larger, and the consumption of E shaped steel damping elements rapidoprint is larger, and the corner part of E shaped steel damping elements easily draws
Play stress concentration；Above-mentioned patent E shaped steel damping element has played a role in design geological process, may easily be damaged under big shake effect
It is bad.Application No. CN201220418050.8）Patent disclose a kind of ε shaped steel damping dissipation energy ball-type Steel Bridge damping supporting seat,
ε shaped steel damping elements including ball-type Steel Bridge damping supporting seat body and for damping dissipation energy.ε shaped steel damping element is included side by side
Setting and two segmental arcs of opening direction unanimously, one end of two segmental arcs is intersecting to be integrally formed formula structure, the other end and intersecting end
Three pin of ε shaped steel damping elements are formed, mounting hole is equipped with three pin.Support body includes upper anchoring piece, upper base plate, work
Plug, spherical crown liner plate, bottom basin, lower seat board and lower anchoring piece.Support body is provided with sliding surface and guide rail, guide groove in damping direction,
Bearing can slide along guide groove.Above-mentioned patent ε shaped steel damping element installation dimensions and space occupancy are larger, rapidoprint
Consumption is also big；Above-mentioned patent upper base plate, lower base plate structure form can only equally meet the common stress effect of bearing；Above-mentioned patent ε
Shaped steel damping element has played a role in design geological process, may be easily damaged under big shake effect.
The content of the invention
The technical problems to be solved by the invention are：A kind of bridge damping bearing and damping method are provided, it not only can be with
Common stress effect is born, and under big shake effect, bridge over-large displacement amount, damping power consumption can also be limited, prevent bridge
Fall beam.
The technical scheme is that：A kind of bridge damping bearing, including upper base plate, lower seat board, spherical crown liner plate, variable cross-section
Steel damping element, the upper anchor rod for connecting upper base plate, the rod that casts anchor of the lower seat board of connection, spherical crown liner plate are connected to upper base plate and lower seat board
Between, the Variable Section Steel damping element is connected to both sides or the surrounding of upper base plate and lower seat board；Variable Section Steel damping element
Top connection upper base plate, the lower seat board of bottom connection.
The Variable Section Steel damping element is that horizontal U-shaped is block, is formed by cuboid steel plate processing and fabricating；Variable Section Steel hinders
When Buddhist nun's element is connected on upper base plate and lower seat board, its openend is inside, blind end exposes outside upper base plate and lower seat board.
Plane slide plate is provided between spherical crown liner plate and upper base plate, forms slip plane friction auxiliary structure；Spherical crown liner plate with
Spherical slide plate is provided between lower seat board, forms rotation spherical friction auxiliary structure.
The both ends of upper base plate, which are provided with, to be used to carry out Variable Section Steel damping element spacing positive stop and groove profile block, groove
Type block is provided with groove, and the top of Variable Section Steel damping element is located in the groove of groove profile block, Variable Section Steel damping element
Upper end end face is adjacent to positive stop；The bridge damping bearing also includes shearing resistance block, connecting bolt two, Variable Section Steel damping member
The top of part connects upper base plate, length and the equidirectional length of upper base plate of shearing resistance block by shearing resistance block, connecting bolt two
It is identical.
The rectangular cross-section of positive stop, the shearing resistance of positive stop for bridge damping bearing vertical bearing capacity 10% ~
40%；The gap length of groove profile block and bridge damping bearing normal use situation and the slide displacement amount under design geological process
It is engaged, the thickness of groove profile block is engaged with the maximum horizontal power undertaken after the big shake of bridge damping bearing, on the inside of groove profile block
Anti-slip material is pasted with, anti-slip material is PTFE tread plates.
Be reserved with the bolt hole three for connecting Variable Section Steel damping element on shearing resistance block, shearing resistance block and upper base plate it
Between be pasted with bump rubber.
The lower seat board is provided with the bolt hole one for being used for installing Variable Section Steel damping element, is additionally provided with and becomes on lower seat board
The concave cross section that section steel damping element thickness and width is engaged, Variable Section Steel damping element bottom are connected by connecting bolt one
Connect lower seat board.
Variable Section Steel damping element is variable cross-section shape symmetrical above and below；The upper and lower part of Variable Section Steel damping element is equal
For variable cross-section shape, and it is reserved with the bolt hole two for connecting bolt；The centre of Variable Section Steel damping element is cut to be uniform
Face shape；Variable Section Steel damping element is arranged symmetrically in both sides or the surrounding of upper base plate and lower seat board, and its number is one or two
More than individual；Variable Section Steel damping element thickness is 10 ~ 200mm, and width is 100 ~ 600mm, and top variable cross-section is uniformly cut with middle
The changeover portion radian in face, bottom variable cross-section and middle uniform cross-section is 45 DEG C ~ 60 DEG C.
A kind of damping method, damping is carried out using above-mentioned bridge damping bearing, by by Variable Section Steel damping element cloth
Surrounding or both sides in upper base plate and lower seat board are put to reduce the space occupancy rate of damping element；When big shake acts on, pass through change
The damping of section steel damping element is consumed energy and the displacement of limitation bridge damping bearing, reduces bridge seismic response so as to reach and prevents
Fall the purpose of beam.
The specific size and number of Variable Section Steel damping element, the change are designed according to the shock attenuation needs of bridge damping bearing
Section steel damping element thickness is 10 ~ 200mm, and the width of its top and bottom is 100 ~ 600mm, top, bottom variable cross-section
It is secondary or higher order functionality form in the variable cross-section equation of thickness and prolonging direction, top, bottom variable cross-section are uniformly cut with middle
The changeover portion radian in face is 45 DEG C ~ 60 DEG C；
Met with design geological process, being dissipated by the flat frictional pair and rotation spherical friction pair of bridge damping bearing more
Seismic energy, now Variable Section Steel damping element be not subject to any external force；Under big shake or rarely occurred earthquake effect, bridge damping branch
After the slide displacement amount of seat exceedes predetermined value, Variable Section Steel damping element plays power consumption effect with friction pair simultaneously, and passes through change
The excessive displacement of section steel damping element limitation bearing, prevents bridge from falling beam and vertical motion.
The beneficial effects of the invention are as follows：1）The bearing of the present invention（Bridge damping bearing）Upper base plate, lower seat board is using special
Structure type making, mutually coordinating with Variable Section Steel damping element, it can both realize the function of bearing normal use situation, and can
Ensure under big shake effect, consumed energy by the limiting displacement of bearing and damping, prevent bridge from falling beam and the work with vertical drawing
With；2）The Variable Section Steel damping element of the present invention is variable cross-section shape, and upper and lower end variable cross-section size is big, and intermediate cross-section is uniform,
Preferably resolve the bonding strength problem of damping element and the problem of intermediate cross-section is uniformly consumed energy, Variable Section Steel damping element by
Power is reasonable in design；3）The Variable Section Steel damping element of the present invention, can increase the horizontal rigidity and vertical rigidity of the bearing, both reduce
The horizontal loading that bearing is subject under big shake effect, moreover it is possible to resist the vertical force effect that bearing is subject to, damping element is by bearing
During different horizontal and vertical horizontal loading, two kinds of loads make hysteresis loop caused by damping element otherwise varied, meet bridge
The vertically and horizontally different actual state of geological process；The plastic deformation ability of damping element is strong, has good anti-seismic performance and consumption
Can ability；4）The bridge damping bearing and damping method of the present invention, met with that under design geological process, can be hindered by bridge more
The flat frictional pair of Buddhist nun's bearing is not subject to any external force come the seismic energy that dissipates, now damping element；In big shake or rarely occurred earthquake
Under effect, after the slide displacement amount of bridge damping bearing exceedes the displacement of upper base plate chute, Variable Section Steel damping element and branch
Seat friction pair plays power consumption effect simultaneously, and limits the excessive displacement of bearing by Variable Section Steel damping element, prevents bridge from sending out
Life falls beam and vertical motion；5）Bridge damping bearing and damping method of the present invention, bearing is arranged in by Variable Section Steel damping element
Surrounding or both sides, the space occupancy rate of damping element is small, easy for installation；Variable Section Steel damping element can provide not as needed
Same yield force, meets the anti-seismic performance of bridge and energy dissipation capacity requirement using good cross section parameter characteristic.
Brief description of the drawings
Fig. 1 is Bridge damping supporting seat dimensional structure diagram of the present invention；
Fig. 2 is Bridge damping supporting seat normal cross-section schematic diagram of the present invention；
Damping element dimensional structure diagram in Fig. 3 present invention；
Shearing resistance block dimensional structure diagram in Fig. 4 present invention；
Description of reference numerals：Upper base plate 1, plane slide plate 2, spherical crown liner plate 3, spherical slide plate 4, Variable Section Steel damping element 5, lower seat
Plate 6, positive stop 7, groove profile block 8, shearing resistance block 9, connecting bolt 2 10, block rubber 11, tread plate 12, upper anchor rod 13, under
Anchor rod 14, connecting bolt 1.
Embodiment
It refer to Fig. 1 to Fig. 4, a kind of bridge damping bearing, including upper base plate 1, plane slide plate 2, spherical crown liner plate 3, sphere
Slide plate 4, Variable Section Steel damping element 5, lower seat board 6, positive stop 7, groove profile block 8, shearing resistance block 9, connecting bolt 2 10, rubber
Blob of viscose 11, tread plate 12, upper anchor rod 13, the rod 14 that casts anchor, connecting bolt 1.
The upper anchor rod of upper base plate connection, the both ends of upper base plate be provided be used to carrying out Variable Section Steel damping element it is spacing spacing
Block and groove profile block, for groove profile block adjacent to upper base plate end face, groove profile block is provided with groove, Variable Section Steel damping element it is upper
Portion is located in the groove of groove profile block, and Variable Section Steel damping element upper end end face is adjacent to positive stop.Lower seat board connects the rod that casts anchor,
Lower seat board is provided with the bolt hole one for being used for installing Variable Section Steel damping element and adapts to Variable Section Steel damping element thickness and width
The concave cross section of degree.Variable Section Steel damping element one end is connected to upper base plate by shearing resistance block, connecting bolt two, and the other end leads to
Cross connecting bolt one and be connected to lower seat board；Spherical crown liner plate is connected between upper base plate and lower seat board, and by plane slide plate with it is upper
Slip plane friction pair is formed between seat board, by forming rotation spherical friction auxiliary structure between spherical slide plate and lower seat board.
Positive stop is square-section, and thickness is determined according to the actual shear resistance of bearing, its actual shear resistance
Generally the 10% ~ 40% of vertical bearing capacity.The gap length of groove profile block is made by the bearing normal use situation and design earthquake
Slide displacement amount under determines that its thickness is determined by the maximum horizontal power undertaken after the big shake of the bearing, its inner side is viscous
Post the PTFE tread plates or other materials for reducing friction.
Bolt hole one on lower seat board is determined according to Variable Section Steel damping element connecting bolt size, its concave cross section
According to the design of Variable Section Steel damping element it needs to be determined that.
Variable Section Steel damping element is variable cross-section shape symmetrical above and below, and the top and bottom of Variable Section Steel damping element are equal
For variable cross-section shape, remain for the bolt hole two of connecting bolt in advance, bolt hole two is often held near end and sets three spiral shells
Keyhole two.The size of its bolt hole two determines that the centre of Variable Section Steel damping element is uniform cross-section shape according to design bearing capacity
Shape.
Variable Section Steel damping element is arranged symmetrically in the bearing both sides（It is also disposed at bearing surrounding）, it arranges that number can
Think it is single, two or more.
The form that Variable Section Steel damping element is connected to the bearing is arc.
Variable Section Steel damping element is that horizontal U-shaped is block, is formed by cuboid steel plate processing and fabricating；Variable Section Steel damping member
When part is connected on upper base plate and lower seat board, its openend is inside, blind end exposes outside upper base plate and lower seat board.Variable cross-section
Steel damping element includes integrally connected upper, middle and lower, and middle part is arc, upper and lower part substantially cuboid
And its width and thickness size can be in gradual change state, its underpart length is also greater than upper length.
Variable Section Steel damping element thickness is generally 10 ~ 200mm, and the width of its upper end and lower end is generally 100 ~ 600mm,
Upper and lower end variable cross-section is secondary or higher order functionality form in the variable cross-section equation of thickness and prolonging direction, and upper and lower end, which becomes, to be cut
The changeover portion radian of face and middle uniform cross-section is 45 DEG C ~ 60 DEG C.
Variable Section Steel damping element according to the design needs can also particular design.
The length of shearing resistance block is identical with the equidirectional length of bearing upper base plate, and the thickness of shearing resistance block is according to carrying
Maximum horizontal power determines.
The bolt hole three of connection Variable Section Steel damping element is reserved on shearing resistance block, between the shearing resistance block and upper base plate
It is pasted with bump rubber.
A kind of damping method, using above-mentioned bridge damping bearing, by arranging Variable Section Steel in the bearing surrounding or both sides
Damping element, reduce the space occupancy rate of damping element；Under big shake effect, by Variable Section Steel damping element to bridge damping
Bearing carries out limiting displacement amount and damping power consumption, to reach the purpose for reducing bridge seismic response and girder falling.
The specific size and number of Variable Section Steel damping element, the change are designed according to the shock attenuation needs of bridge damping bearing
Section steel damping element thickness is generally 10 ~ 200mm, and the width of its top and bottom is typically 100 ~ 600mm, upper and lower part
Variable cross-section is that secondary or higher order functionality form, upper and lower part variable cross-section and centre are equal in the variable cross-section equation of thickness and prolonging direction
The changeover portion radian in even section is 45 DEG C ~ 60 DEG C, and the damping efficiency highest of single Variable Section Steel damping element is made by design.
In the present invention, bridge damping bearing can not only bear common stress effect, but also can bear big shake effect.
Damping element space occupancy rate very little, and rapidoprint consumption is few, and damping element is uniform in geological process lower stress, damping
Power can flexible design.Damping element is only just played a role under big shake effect, and bearing can be avoided to destroy and cause before big shake
Bridge structure is damaged.Damping implementation method is simple, and using Variable Section Steel damping element, damping element can increase the level of the bearing
Rigidity and vertical rigidity, bearing horizontal loading for being subject under big shake effect can be reduced, moreover it is possible to resist bearing be subject to it is vertical
Power acts on, and when damping element is by bearing different horizontal and vertical horizontal loading, two kinds of loads make stagnant caused by damping element
It is otherwise varied to return curve, meets the bridge vertically and horizontally different actual state of geological process, the plastic deformation ability of damping element is strong,
With good anti-seismic performance and energy dissipation capacity.
The present invention explores a kind of damping element, bridge damping bearing and damping method, and power transmission stress is clear and definite, not only can be with
Meet to require when bridge normal work, frequently occurred earthquake and design earthquake, and the stress of bridge can be reduced under strong wind, big shake
Load, prevent bridge from excessive horizontal displacement occurs, avoid bridge from falling beam, and be easy to check and change.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., be all contained within protection scope of the present invention.
Claims (10)
1. a kind of bridge damping bearing, including upper base plate, lower seat board, spherical crown liner plate, the upper anchor rod for connecting upper base plate, the lower seat of connection
The rod that casts anchor of plate, spherical crown liner plate are connected between upper base plate and lower seat board, it is characterized in that, in addition to Variable Section Steel damping element,
The Variable Section Steel damping element is connected to both sides or the surrounding of upper base plate and lower seat board；The top of Variable Section Steel damping element connects
Connect seat board, the lower seat board of bottom connection.
2. bridge damping bearing according to claim 1, it is characterized in that, the Variable Section Steel damping element is horizontal U-shaped block
Shape, formed by cuboid steel plate processing and fabricating；When Variable Section Steel damping element is connected on upper base plate and lower seat board, it is open
End is inside, blind end exposes outside upper base plate and lower seat board.
3. bridge damping bearing according to claim 1, it is characterized in that, plane is provided between spherical crown liner plate and upper base plate and is slided
Plate, form slip plane friction auxiliary structure；Spherical crown liner plate and spherical slide plate is provided between lower seat board, forms rotation spherical friction
Auxiliary structure.
4. bridge damping bearing according to claim 1, it is characterized in that, the both ends of upper base plate, which are provided with, to be used for Variable Section Steel
Damping element carries out spacing positive stop and groove profile block, and groove profile block is provided with groove, Variable Section Steel damping element it is upper
Portion is located in the groove of groove profile block, and Variable Section Steel damping element upper end end face is adjacent to positive stop；The bridge damping bearing
Also include shearing resistance block, connecting bolt two, the top of Variable Section Steel damping element passes through in shearing resistance block, the connection of connecting bolt two
Seat board, the length of shearing resistance block are identical with the equidirectional length of upper base plate.
5. bridge damping bearing according to claim 4, it is characterized in that, the rectangular cross-section of positive stop, positive stop
Shearing resistance be bridge damping bearing vertical bearing capacity 10% ~ 40%；The gap length and bridge damping bearing of groove profile block are just
Normal service condition is engaged with the slide displacement amount under design geological process, thickness and the big shake of bridge damping bearing of groove profile block
The maximum horizontal power undertaken afterwards is engaged, and is pasted with anti-slip material on the inside of groove profile block, anti-slip material is PTFE tread plates.
6. bridge damping bearing according to claim 4, it is characterized in that, it is reserved with shearing resistance block for connecting variable cross-section
The bolt hole three of steel damping element, bump rubber is pasted between shearing resistance block and upper base plate.
7. bridge damping bearing according to claim 1, it is characterized in that, the lower seat board, which is provided with, to be used to install variable cross-section
The bolt hole one of steel damping element, the spill being engaged with Variable Section Steel damping element thickness and width is additionally provided with lower seat board and is cut
Face, Variable Section Steel damping element bottom connect lower seat board by connecting bolt one.
8. bridge damping bearing according to claim 1, it is characterized in that, Variable Section Steel damping element is change symmetrical above and below
Cross sectional shape；The upper and lower part of Variable Section Steel damping element is variable cross-section shape, and is reserved with for connecting bolt
Bolt hole two；The centre of Variable Section Steel damping element is uniform cross-section shape；Variable Section Steel damping element is arranged symmetrically in the seat of honour
The both sides or surrounding of plate and lower seat board, its number are one or more than two；Variable Section Steel damping element thickness is 10 ~ 200mm,
Width is 100 ~ 600mm, top variable cross-section and middle uniform cross-section, bottom variable cross-section and middle uniform cross-section changeover portion radian
It is 45 DEG C ~ 60 DEG C.
9. a kind of damping method, it is characterized in that, damping is carried out using the bridge damping bearing described in claim 1, by that will become
Section steel damping element is arranged in surrounding or the both sides of upper base plate and lower seat board to reduce the space occupancy rate of damping element；Big
When shake acts on, by Variable Section Steel damping element damping power consumption and the displacement of limitation bridge damping bearing, reduced so as to reach
The purpose of bridge seismic response and girder falling.
10. damping method according to claim 9, it is characterized in that, designed and become according to the shock attenuation needs of bridge damping bearing
The specific size and number of section steel damping element, the Variable Section Steel damping element thickness are 10 ~ 200mm, its top and under
The width in portion is 100 ~ 600mm, and top, bottom variable cross-section are secondary or high order in the variable cross-section equation of thickness and prolonging direction
Functional form, the changeover portion radian on top, bottom variable cross-section and middle uniform cross-section is 45 DEG C ~ 60 DEG C；
Met with design geological process, being dissipated by the flat frictional pair and rotation spherical friction pair of bridge damping bearing more
Seismic energy, now Variable Section Steel damping element be not subject to any external force；Under big shake or rarely occurred earthquake effect, bridge damping branch
After the slide displacement amount of seat exceedes predetermined value, Variable Section Steel damping element plays power consumption effect with friction pair simultaneously, and passes through change
The excessive displacement of section steel damping element limitation bearing, prevents bridge from falling beam and vertical motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382779.8A CN107815962A (en) | 2017-12-20 | 2017-12-20 | A kind of bridge damping bearing and damping method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382779.8A CN107815962A (en) | 2017-12-20 | 2017-12-20 | A kind of bridge damping bearing and damping method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797324A (en) * | 2018-04-23 | 2018-11-13 | 株洲时代新材料科技股份有限公司 | A kind of spiral shape drag-line bearing |
| CN108867913A (en) * | 2018-07-19 | 2018-11-23 | 北京工业大学 | U-shaped variable cross-section mild steel damper and combination unit with pseudo-linear Hysteretic Type Damping feature |
| CN109898681A (en) * | 2019-03-29 | 2019-06-18 | 华中科技大学 | A kind of high-bearing capacity tension energy consumption earthquake isolating equipment |
| CN110258813A (en) * | 2019-06-30 | 2019-09-20 | 华中科技大学 | A kind of high-bearing capacity tensile shock isolation device with two-way sliding support |
| CN110409292A (en) * | 2019-07-16 | 2019-11-05 | 洛阳双瑞特种装备有限公司 | A kind of Multifunctional bridge beam support |
| CN112391940A (en) * | 2020-12-15 | 2021-02-23 | 中铁二院工程集团有限责任公司 | Damping energy-consuming beam falling prevention device |
| CN112962433A (en) * | 2021-01-25 | 2021-06-15 | 沈义秀 | Anti-seismic noise-reducing support for bridge |
| CN114108443A (en) * | 2021-11-24 | 2022-03-01 | 中铁第四勘察设计院集团有限公司 | Bridge bearing and bridge structure |
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| JP2015094075A (en) * | 2013-11-08 | 2015-05-18 | Ｊｆｅシビル株式会社 | Damper device for structural earthquake strengthening |
| CN205088564U (en) * | 2015-11-02 | 2016-03-16 | 株洲时代新材料科技股份有限公司 | Ball type steel support |
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