CN109811644A - Elastic-plastic damping device - Google Patents
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- CN109811644A CN109811644A CN201910222159.0A CN201910222159A CN109811644A CN 109811644 A CN109811644 A CN 109811644A CN 201910222159 A CN201910222159 A CN 201910222159A CN 109811644 A CN109811644 A CN 109811644A
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- 238000013016 damping Methods 0.000 title claims abstract description 185
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 8
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 230000006378 damage Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
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Abstract
The present invention relates to bridge structure design technical fields, provide a kind of elastic-plastic damping device, it include: damping unit, upper bracket and undersetting, the both ends of damping unit are slidably mounted on the inside of upper bracket and the inside of undersetting respectively, and there are gaps after installing, thus, damping unit can move between upper bracket and undersetting.The elastic-plastic damping apparatus structure is simple and reliable; energy consumption is clear; it can achieve the effect that prevent beam body from falling off, dissipation seismic energy, be especially suitable for curved bridge under geological process, by laterally and when longitudinal or three direction coupling earthquake; good anti-fall beam effect can be played; in addition, by the plastic deformation dissipation energy in damping unit earthquake, thus multi-faceted protection bridge; mitigate bridge earthquake, ensures the security of the lives and property.Meanwhile the elastic-plastic damping device saves material, has certain economic benefit.
Description
Technical field
The present invention relates to bridge structure design technical fields, more particularly to a kind of elastic-plastic damping device.
Background technique
Earthquake is one of most common natural calamity of today's society, and in numerous eaerthquake damages, it is the most general for falling beam destruction
Time a kind of breakoff phenomenon, moreover, fall beam phenomenon once occur, it will usually cause huge harm, often lead to traffic life
Line interrupts, and causes the parasitic losses of lives and properties.
Currently, in the quake evaluation field of bridge, carry out restrainer frequently with anti-fall girder apparatus and destroy, multiple earthquake card
Bright, block plays remarkable efficacy in earthquake, and block can be ineffective since failure by shear occurs in earthquake, and is not easy to repair
It is multiple.Currently, anti-fall girder apparatus is substantially divided into two major classes, lateral anti-fall girder apparatus and longitudinal anti-fall girder apparatus, it is laterally anti-
Fall girder apparatus refers mainly to various forms of blocks, and longitudinal anti-fall girder apparatus refers mainly to coupling beam device etc..
But with the development of urban construction, curved bridge has been become increasingly prevalent, and curved bridge is under geological process
Stress condition it is increasingly complex compared to straight bridge, the anti-fall girder apparatus of curved section is not merely solely subjected to longitudinal or lateral lotus
It carries, but the collective effect under the two coupling, the stress that general anti-fall girder apparatus is not able to satisfy curved bridge as a result, need
It asks.In view of the above deficiencies, it needs to design and develop a kind of suitable curved bridge, simple structure is convenient for changing, low cost and suitable
Answer the elastic-plastic damping device of multi-direction girder falling.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of elastic-plastic damping devices, it is intended at least solution prior art or in the related technology
One of.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of elastic-plastic damping devices, comprising: damping unit, upper branch
Seat and undersetting, the both ends of the damping unit are slidably mounted on the inside of the upper bracket and described respectively
The inside of undersetting, and the both ends of the damping unit are respectively between the inside of the upper bracket and the inside of the undersetting
There are gap, the damping unit can move between the upper bracket and the undersetting.
Wherein, the upper bracket includes that the first billet, the first hollow cylindrical connecting portion and centre are provided with
First cylindrical support portion of one through-hole, first billet are connect with a side end face of first cylindrical connecting portion,
First cylindrical support portion is connect with the opposite side end face of first cylindrical connecting portion；
The undersetting includes that the second billet, the second hollow cylindrical connecting portion and centre are provided with the second through-hole
The second cylindrical support portion, second billet connect with a side end face of second cylindrical connecting portion, described
Two cylindrical support portions are connect with the opposite side end face of second cylindrical connecting portion.
Wherein, first billet is connect with girder, and second billet is connect with bent cap.
Wherein, first billet is connect by the first rod iron with the girder, and second billet passes through second
Rod iron is connect with the bent cap.
Wherein, the outer diameter of first cylindrical connecting portion is less than the outer diameter or side length of first billet, and described the
The outer diameter of one cylindrical connecting portion is equal to the outer diameter in first cylindrical support portion；
The outer diameter of second cylindrical connecting portion is less than the outer diameter or side length of second billet, second cylinder
The outer diameter of shape interconnecting piece is equal to the outer diameter in second cylindrical support portion.
Wherein, the damping unit includes the first cylindrical damping unit, the first conical damping unit, the second cylinder
Damping unit and the second conical damping unit；
Described first cylindrical damping unit is connected with the described first conical damping unit, constitutes top damping unit,
Described second conical damping unit is connected with the described second cylindrical damping unit, constitutes lower part damping unit；Described first
Conical damping unit and the second conical damping unit are arranged according to the opposite mode of cone, and first cone
Damping unit is connected with the described second conical damping unit by cylinder.
Wherein, the basal diameter of the described first conical damping unit is less than the straight of the described first cylindrical damping unit
Diameter, the basal diameter of the described second conical damping unit are less than the diameter of the described second cylindrical damping unit.
Wherein, the outer diameter of the described first cylindrical damping unit is greater than the diameter of the first through hole, second cylinder
The outer diameter of shape damping unit is greater than the diameter of second through-hole, and the basal diameter of the first conical damping unit is less than the
The diameter of one through-hole, the diameter of the basal diameter of the second conical damping unit less than the second through-hole；
The outer diameter of described first cylindrical damping unit is less than the internal diameter of first cylindrical connecting portion, second circle
The outer diameter of cylindricality damping unit is less than the internal diameter of second cylindrical connecting portion.
Wherein, the described first cylindrical damping unit, the first conical damping unit, the second cylindrical damping
Unit, the second conical damping unit and the cylinder are that mild steel is made.
Wherein, the described first cylindrical damping unit, the first conical damping unit, the second cylindrical damping
Unit, the second conical damping unit and the cylinder integrally connected are to constitute the damping unit.
(3) beneficial effect
Compared with prior art, the invention has the following advantages that
A kind of elastic-plastic damping device provided by the invention, is mounted on elastic-plastic damping device the bent cap and beam body of bridge
Between, in the case where bridge shakes, pass through the front and back for the damping unit being arranged between upper bracket and undersetting, a left side
It is right, up and down since limit the influence that girder relative motion generates, elastic-plastic damping device is able to bear longitudinally, laterally or three-dimensional
The load generated is made in earthquake, so that good anti-fall beam effect is played, in addition, passing through the plastic deformation consumption in damping unit earthquake
Energy is dissipated, so that multi-faceted protection bridge, mitigates bridge earthquake, ensures the security of the lives and property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of elastic-plastic damping device of the embodiment of the present invention；
Fig. 2 is a kind of three dimensional structure diagram of elastic-plastic damping device of the embodiment of the present invention
In figure: the first rod iron of 1-；The first billet of 2-；The first cylindrical connecting portion of 3-；The first cylindrical support of 4- portion；5-
First cylindrical damping unit；The conical damping unit of 6- first；7- cylinder.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects；It can be directly connected, the connection or two members inside two elements can also be can be indirectly connected through an intermediary
The interaction relationship of part, unless otherwise restricted clearly.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2, elastic-plastic damping device provided in an embodiment of the present invention, comprising: damping unit, upper bracket
And undersetting, the both ends of damping unit are slidably mounted on the inside of upper bracket and the inside of undersetting respectively,
And the both ends of damping unit, respectively between the inside of upper bracket and the inside of undersetting there are gap, damping unit can be in upper branch
It is moved between seat and undersetting.
It should be noted that the first chamber for being internally provided with one end for installing damping unit of upper bracket, first
The shape size of chamber is adapted with one end of damping unit, as long as there are gaps between one end and first chamber of damping unit
, the shape size of first chamber is not especially limited in the present embodiment；Undersetting is internally provided with for installing resistance
The second chamber of the other end of Buddhist nun's unit, the shape size of second chamber are adapted with the other end of damping unit, as long as damping
There are gap between the other end and second chamber of unit, the shape size of second chamber is not made specifically in the present embodiment
It limits.
In the present embodiment, elastic-plastic damping device is mounted between the bent cap of bridge and beam body, is shaken in bridge
In the case where dynamic, by the front and rear, left and right for the damping unit being arranged between upper bracket and undersetting, moving up and down is limited pair
The influence that girder relative motion generates, elastic-plastic damping device are able to bear longitudinally, laterally and under three dimensional earthquake coupling
The load of generation can play good anti-fall beam action, in addition, passing through the plastic deformation Dissipated energy in damping unit earthquake
Amount, multi-faceted protection bridge mitigate bridge earthquake, ensure the security of the lives and property.
In addition, according to an embodiment of the invention, upper bracket includes the first billet 2, the first hollow cylindrical connecting portion 3
And intermediate the first cylindrical support portion 4 for being provided with first through hole, the one of the first billet 2 and the first cylindrical connecting portion 3
Side end face connection, the first cylindrical support portion 4 is connect with the opposite side end face of the first cylindrical connecting portion 3；
Undersetting include the second billet (not shown), the second hollow cylindrical connecting portion (not shown) with
And intermediate the second cylindrical support portion (not shown) for being provided with the second through-hole, the second billet are connect with the second cylinder
One side end face in portion connects, and the second cylindrical support portion is connect with the opposite side end face of the second cylindrical connecting portion.
In the present embodiment, the first billet 2 and the second billet all can be cylindrical steel backing plate or rectangle steel pads
Plate, the first cylindrical connecting portion 3 include two symmetrical first cylindrical connecting portion subelements, two the first cylindrical connecting portions
Subelement constitutes complete first cylindrical connecting portion 3 by welding or bolt；First cylindrical support portion 4 includes two right
The the first cylindrical support portion subelement claimed, two the first cylindrical support portion subelements are made up of complete welding or bolt
The first cylindrical support portion 4；Corresponding, the second cylindrical connecting portion includes two the symmetrical second cylindrical connections
Portion's subelement, two the second cylindrical connecting portion subelements constitute the complete second cylindrical connection by welding or bolt
Portion；Second cylindrical support portion includes two symmetrical second cylindrical support portion subelements, two the second cylindrical support portions
Subelement constitutes complete second cylindrical support portion by welding or bolt.
It is understood that the first cylindrical connecting portion 3 and the first cylindrical support portion 4 in upper bracket, in undersetting
The second cylindrical connecting portion and the second cylindrical support portion, can be first prefabricated in factory by a half structure, at the scene will damping
After unit is installed, another semifixed guide rail is welded or bolted.
In addition, the second billet is connect with bent cap according to an embodiment of the invention, the first billet 2 is connect with girder.
Wherein, the first billet 2 is connect by the first rod iron 1 with girder, and the second billet passes through the second rod iron (in figure not
Show) it is connect with bent cap.
In the present embodiment, more first rod irons 1 are fixed on by welding on the first billet 2, and more second
Rod iron is fixed on by welding on the second billet.
In addition, according to an embodiment of the invention, the outer diameter of the first cylindrical connecting portion 3 less than the first billet 2 outer diameter
Or side length, the outer diameter of the first cylindrical connecting portion 3 are equal to the outer diameter in the first cylindrical support portion 4；Second cylindrical connecting portion
For outer diameter less than the outer diameter or side length of the second billet, the outer diameter of the second cylindrical connecting portion is equal to the outer of the second cylindrical support portion
Diameter.
In the present embodiment, the first cylindrical connecting portion 3, the common structure of the first billet 2 and the first cylindrical support portion 4
At the space of damping unit upper end；Second cylindrical connecting portion, the second billet and the second cylindrical support portion are total
With the space for constituting damping unit lower end.
In addition, according to an embodiment of the invention, damping unit includes the first cylindrical damping unit 5, the first circular cone form drag
The cylindrical damping unit of Buddhist nun's unit 6, second and the second conical damping unit；First cylindrical damping unit 5 and the first circle
Taper damping unit 6 connects, and constitutes top damping unit, and the second conical damping unit and the second cylindrical damping unit connect
It connects, constitutes lower part damping unit；First conical damping unit 6 and the second conical damping unit mode opposite according to cone
Arrangement, and the first conical damping unit 6 and the second conical damping unit are connected by cylinder 7.
Wherein, the shearing strength met needed for the diameter base area earthquake centre of cylinder 7 requires to determine, prevents from shearing in earthquake disconnected
It splits.
In the present embodiment, when certain displacement occurs under geological process in it, size is generated at damping unit both ends
Equal moment of flexure, in order to make full use of material, damping unit each section reaches surrender simultaneously, damping unit is designed as X-shaped, this
When be both able to satisfy requirement in stress, while also most saving material.Therefore, in order to cope with longitudinal and lateral coupling effect, damping is single
Meta design is the rotation body structure of X-shaped at arbitrary section form.
In addition, according to an embodiment of the invention, the basal diameter of the first conical damping unit 6 is less than the first cylinder form drag
The diameter of Buddhist nun's unit 5 and the diameter of first through hole, the basal diameter of the second conical damping unit is less than the second cylinder form drag
The diameter of the diameter of Buddhist nun's unit and the second through-hole.
In the present embodiment, by the way that the basal diameter of the first conical damping unit 6 is set smaller than the first cylinder
The diameter of damping unit 5 and the diameter of first through hole, so that top damping unit first cylinder form drag when movement
The inner space that Buddhist nun's unit 5 can move in the inner space of upper bracket without departing from upper bracket；By the second cone
The basal diameter of damping unit is set smaller than the second cylindrical diameter of damping unit and the diameter of the second through-hole, so that
Damping unit second cylindrical damping unit when movement in lower part can be moved in the inner space of undersetting without de-
Inner space from undersetting.
Further in order to realize top damping unit, the first cylindrical damping unit 5 can be in upper branch when movement
Movement is without departing from the inner space of upper bracket in the inner space of seat, and the outer diameter of the first cylindrical damping unit 5 is greater than first
The outer diameter of the diameter of through-hole, the second cylindrical damping unit is greater than the diameter of the second through-hole；
In order to realize lower part damping unit, the second cylindrical damping unit can be in the inside of undersetting when movement
The inner space moved in space without departing from undersetting, the outer diameter of the first cylindrical damping unit is less than the first cylindrical connection
The internal diameter in portion, the internal diameter of the outer diameter of the second cylindrical damping unit less than the second cylindrical connecting portion.
In addition, according to an embodiment of the invention, the first conical damping unit 6, second of cylindrical damping unit 5, first
Cylindrical damping unit, the second conical damping unit and cylinder 7 are that Energy dissipating material is made.
In the present embodiment, there is good intensity due to mild steel and there is good plasticity, the first cylinder simultaneously
The cylindrical damping unit of the conical damping unit 6, second of shape damping unit 5, first, the second conical damping unit and cylinder
7 are made up of mild steel its deformability can be improved preferably to absorb the vibration energy that outer bound pair bridge generates.
In addition, according to an embodiment of the invention, the first conical damping unit 6, second of cylindrical damping unit 5, first
Cylindrical damping unit, the second conical damping unit and 7 integrally connected of cylinder are to constitute damping unit.
In the present embodiment, pass through the first cylindrical damping unit 5, first conical damping unit 6, the second cylinder form drag
The knot of damping unit can be improved to constitute damping unit in Buddhist nun's unit, the second conical damping unit and 7 integrally connected of cylinder
Structure stability and structural strength, while being conducive to the integral replacing damping unit.The first cylindrical circle of damping unit 5, first
The cylindrical damping unit of taper damping unit 6, second, the second conical damping unit and cylinder 7 can also be connected by welding
The mode connect is to achieve the effect that be integrally formed damping unit.
Elastic-plastic damping apparatus structure provided by the invention is simple and reliable, and energy consumption is clear, and can reach prevents beam body
It falls off, the effect of dissipation seismic energy, is especially suitable for curved bridge under geological process, when being acted on by transverse direction and Longitudinal data,
Good anti-fall beam action can be played, multi-faceted protection bridge mitigates bridge earthquake, ensure the security of the lives and property, meanwhile, it should
Elastic-plastic damping device saves material, has certain economic benefit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of elastic-plastic damping device characterized by comprising damping unit, upper bracket and undersetting, the damping are single
The both ends of member are slidably mounted on the inside of the upper bracket and the inside of the undersetting, and the damping respectively
There are gaps between the inside of the upper bracket and the inside of the undersetting respectively at the both ends of unit, and the damping unit can
It is moved between the upper bracket and the undersetting.
2. elastic-plastic damping device as described in claim 1, which is characterized in that the upper bracket include the first billet, in
The first empty cylindrical connecting portion and intermediate the first cylindrical support portion for being provided with first through hole, first billet with
One side end face of first cylindrical connecting portion connects, first cylindrical support portion and first cylindrical connecting portion
Opposite side end face connection；
The undersetting includes the second billet, the second hollow cylindrical connecting portion and intermediate is provided with the of the second through-hole
Two cylindrical support portions, second billet are connect with a side end face of second cylindrical connecting portion, second circle
Pillar support portion is connect with the opposite side end face of second cylindrical connecting portion.
3. elastic-plastic damping device as claimed in claim 2, which is characterized in that first billet is connect with girder, institute
The second billet is stated to connect with bent cap.
4. elastic-plastic damping device as claimed in claim 3, which is characterized in that first billet by the first rod iron with
The girder connection, second billet are connect by the second rod iron with the bent cap.
5. elastic-plastic damping device as claimed in claim 2, which is characterized in that the outer diameter of first cylindrical connecting portion is small
It is equal to first cylindrical support in the outer diameter of the outer diameter or side length of first billet, first cylindrical connecting portion
The outer diameter in portion；
The outer diameter of second cylindrical connecting portion is less than the outer diameter or side length of second billet, and second cylinder is even
The outer diameter of socket part is equal to the outer diameter in second cylindrical support portion.
6. elastic-plastic damping device as claimed in claim 2, which is characterized in that the damping unit includes the first cylinder form drag
Buddhist nun's unit, the first conical damping unit, the second cylindrical damping unit and the second conical damping unit；
Described first cylindrical damping unit is connected with the described first conical damping unit, constitutes top damping unit, described
Second conical damping unit is connected with the described second cylindrical damping unit, constitutes lower part damping unit；First circular cone
Shape damping unit and the second conical damping unit are arranged according to the opposite mode of cone, and the first cone damping
Unit is connected with the described second conical damping unit by cylinder.
7. elastic-plastic damping device as claimed in claim 6, which is characterized in that the bottom surface of the described first conical damping unit
Diameter is less than the diameter of the described first cylindrical damping unit, and the basal diameter of the described second conical damping unit is less than described
The diameter of second cylindrical damping unit.
8. elastic-plastic damping device as claimed in claim 6, which is characterized in that the outer diameter of the described first cylindrical damping unit
Greater than the diameter of the first through hole, the outer diameter of the described second cylindrical damping unit is greater than the diameter of second through-hole, institute
The basal diameter for stating the first conical damping unit is less than the diameter of first through hole, the bottom surface of the described second conical damping unit
Diameter of the diameter less than the second through-hole；
The outer diameter of described first cylindrical damping unit is less than the internal diameter of first cylindrical connecting portion, and described second is cylindrical
The outer diameter of damping unit is less than the internal diameter of second cylindrical connecting portion.
9. elastic-plastic damping device as claimed in claim 6, which is characterized in that the first cylindrical damping unit, described
First conical damping unit, the second cylindrical damping unit, the second conical damping unit and the cylinder
It is that mild steel is made.
10. elastic-plastic damping device as claimed in claim 6, which is characterized in that the first cylindrical damping unit, described
First conical damping unit, the second cylindrical damping unit, the second conical damping unit and the cylinder
Integrally connected is to constitute the damping unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222159.0A CN109811644B (en) | 2019-03-22 | 2019-03-22 | Elastic-plastic damping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222159.0A CN109811644B (en) | 2019-03-22 | 2019-03-22 | Elastic-plastic damping device |
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| CN109811644B CN109811644B (en) | 2023-11-10 |
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| CN103306196A (en) * | 2013-06-15 | 2013-09-18 | 中南大学 | Spiral bridge support |
| CN204000587U (en) * | 2014-06-30 | 2014-12-10 | 同济大学 | New city viaduct Horizontal Seismic system |
| CN105239501A (en) * | 2015-05-14 | 2016-01-13 | 北京工业大学 | Anti-pull high damping rubber vibration isolating support |
| CN205313973U (en) * | 2016-01-25 | 2016-06-15 | 王永霞 | Novel bridge beam supports |
| CN106368115A (en) * | 2016-09-28 | 2017-02-01 | 同济大学 | Novel shock insulation system suitable for medium and small-span beam bridges |
| CN106758784A (en) * | 2017-03-10 | 2017-05-31 | 衢州学院 | A kind of Longspan Bridge vibration absorber |
| CN207244439U (en) * | 2017-09-27 | 2018-04-17 | 湖南邦贝工程材料有限公司 | Girder falling subtracts shock insulation ball shaped steel bearing |
| CN108487049A (en) * | 2018-02-26 | 2018-09-04 | 北京建筑大学 | A kind of shock isolating pedestal |
| CN109235687A (en) * | 2018-10-22 | 2019-01-18 | 北京工业大学 | Resistance to plucking three-dimensional compounded shock isolating pedestal |
| CN209989691U (en) * | 2019-03-22 | 2020-01-24 | 北京建筑大学 | Elastic-plastic damping device |
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