CN108611967A - A kind of variation rigidity combined isolator - Google Patents
A kind of variation rigidity combined isolator Download PDFInfo
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- CN108611967A CN108611967A CN201810555521.1A CN201810555521A CN108611967A CN 108611967 A CN108611967 A CN 108611967A CN 201810555521 A CN201810555521 A CN 201810555521A CN 108611967 A CN108611967 A CN 108611967A
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- 239000002131 composite material Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 48
- 239000010959 steel Substances 0.000 claims description 48
- 229920001971 elastomer Polymers 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E01D19/041—Elastomeric bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of variation rigidity combined isolators, the variation rigidity combined isolator includes bearing top plate and base-plate, at least one rigid support member and at least one elastic bearing component are equipped between bearing top plate and base-plate, each elastic bearing component upper and lower surface is respectively fixedly connected on bearing top plate and base-plate.Bearing of the present invention provides vertical rigidity by rigid support member, realizes that the horizontal rigidity of bearing is adjusted by elastic bearing component.The invention bearing can be applied to the existing highway bridge of antidetonation demand, the bridge that especially bridge pier height does not wait, the composite rigidity of adjustable bridge pier and bearing makes the equilibrium of the overall stiffness of each bridge pier and bearing, the displacement coordinating and unifying, increases substantially the anti-seismic performance of bridge；This bearing can also be applied to other buildings and hydraulic engineering technical field.
Description
Technical field
The present invention relates to a kind of technical field of bridge engineering, more particularly to a kind of variation rigidity combined isolator.
Background technology
Earthquake such as can seriously destroy a bridge, build at the construction projects, and people's lives and properties is made to take a bath.Therefore, resist
Shake technology is an important technology field of the engineering constructions such as bridge, building and water conservancy, generally by using shock insulation, damping and
The methods of structural dynamic characteristic is adjusted, dynamic response of the engineering structure under seismic force effects is enable timely and effectively to be controlled
System, so that it is guaranteed that the safety of structure itself.
It is the effective measures for improving structural seismic performance using aseismatic bearing, current domestic representative aseismatic bearing
Have：Lead core rubber support, high-damp rubber support, friction pendulum support.These aseismatic bearings can more or less play antidetonation effect
Fruit, but it is rubber material that each, which all has the deficiency of itself, such as lead core rubber support, high-damp rubber support main body primary structure member,
Material, for rubber material for a long time by the aging of compression meeting accelerated material, service life is extremely low.Though friction pendulum support belongs to bridle iron,
It is difficult that the lower wear-resistant slide plate of internal intensity is avoided to be acted on by horizontal force in structure, so as to cause the use of friction pendulum support
Service life substantially reduces.Meanwhile above-mentioned aseismatic bearing is the seismic isolation technology that subtracts utilized, belong to energy-dissipating type bearing, energy dissipation capacity by
Supporting stand size influences or the ability of dissipation seismic energy is smaller or leads to bearing to obtain larger energy dissipation capacity
Size is too big, cannot meet the antidetonation demand of high-intensity earthquake mountain area structure.
Invention content
It is an object of the invention to solve, existing aseismatic bearing can not adapt to larger earthquake and service life is shorter asks
Topic, the present invention provides a kind of variation rigidity combined isolators in order to solve the above problem.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes：
A kind of variation rigidity combined isolator, including bearing top plate and base-plate, between the bearing top plate and base-plate
Equipped at least one rigid support member and at least one elastic bearing component, each elastic bearing component upper and lower surface point
It is not fixedly connected on the bearing top plate and base-plate.
The variation rigidity combined isolator includes that at least one non-yielding prop is equipped between bearing top plate and base-plate
To be fixedly connected, one is phase for component and at least one elastic bearing component, wherein rigid support member upper and lower surfaces one
The connection type for mutually connecting (on-fixed connection), can realize the rigid support member when by the power of vertical direction,
There is provided vertical rigidity supporting force, ensure bearing deform in the vertical direction it is very small, almost keep stablize it is indeformable, and by
To horizontal direction power when, can realize free to slide, while can also realize vertical rotating；And the bearing is additionally provided with elastic bearing structure
Part, which has certain deflection, and the upper and lower surface of elastic bearing component is fixedly connected on bearing top
On plate and base-plate, when power of the bearing by different size of horizontal direction, branch is realized by the deformation of elastomer itself
The relative displacement of seat top plate and base-plate, to realize that the horizontal rigidity of the bearing is adjusted.
It should be noted that the elasticity modulus of wherein elastic bearing component is lower, flexible deformation is bigger, the elastic bearing
The horizontal rigidity that component is provided is smaller；If the elasticity modulus of elastic bearing component is higher, flexible deformation is smaller, the elasticity
The horizontal rigidity that supporting member is provided is bigger.
Bearing of the present invention can be applied to the existing highway bridge of antidetonation demand, especially bridge pier height and not wait and need
Bear the bridge of larger earthquake.The composite rigidity of bridge pier and bearing is adjusted for such bridge for variation rigidity combined isolator, makes each
The overall stiffness of a bridge pier and bearing is balanced, conjugates the coordinating and unifying, increases substantially the anti-seismic performance of bridge.This bearing can be with
Applied to other buildings and hydraulic engineering technical field.
Preferably, each elastic bearing component is rubber composite elastic body structural member or tubular structural member.
Preferably, each rubber composite elastic body is respectively equipped with junction steel plate and lower connection steel in two surfaces up and down
Plate, the upper junction steel plate, lower junction steel plate are mutually permanently connected with the bearing top plate and base-plate respectively.
Preferably, each rubber composite elastic body by sulfuration adhesion oxidant layer respectively with the upper junction steel plate, under
Junction steel plate is connected with each other.
Preferably, each rubber composite elastic body is rectangular structural member.
Preferably, two groups of rigid support members, every group of non-yielding prop structure are equipped between the bearing top plate and base-plate
Part includes several rigid support members, and at least one elastic bearing component is arranged between two groups of rigid support members.
Preferably, rigid support member described in two groups be equipped between the bearing top plate and base-plate is uniformly to divide
Cloth, all elastic bearing components are located at the centre position of bearing.
Preferably, each rigid support member includes concave surface steel plate, is equipped with cambered surface on the concave surface steel plate successively and slides
Plate, convex surface steel plate are provided with plane slide plate and stainless steel plate, the concave surface steel between the convex surface steel plate and the bearing top plate
Board bottom portion is fixedly connected with the base-plate.
Preferably, each concave surface steel plate both sides are equipped with otic placode, and bearing top plate lower surface is equipped with several groups side block
Board group part, every group of side dam assemblies include two L-type side shields, and each concave surface steel plate is equipped with side block board group described in one group
Two L-type side shields of part, side dam assemblies described in every group are mutually adapted with two otic placodes of concave surface steel plate respectively.
The several groups side dam assemblies being arranged below the bearing top plate, the purpose is to be the two of every group of side dam assemblies
L-type side shield can be adapted to the otic placode of each rigid support member, to realize when bridge occurs on larger earthquake (such as 8-9 grades)
When lower vibrations, start the function of resistance to plucking, avoids falling beam；Meanwhile when horizontal vibrating is excessive, support displacement is limited, bearing is avoided
It cuts up, realizes pier consolidation, all bridge piers is made to bear the horizontal force of earthquake generation jointly.
The present invention also provides a kind of bridges, including several height bridge pier not etc. and the girder above bridge pier,
Each girder both ends are connected with each other by variation rigidity combined isolator and bridge pier respectively, wherein higher-height bridge pier and girder
The horizontal rigidity of the elastic bearing component of institute's connects bearing is bigger, the institute of a lower height of bridge pier and girder institute connects bearing
The horizontal rigidity for stating elastic bearing component is smaller.
The bridge, including several height bridge pier not etc. and the girder above bridge pier, wherein each bridge pier and master
Bearing is connected between beam, the horizontal rigidity of each of which bearing has direct relationship with the bridge pier height for connecting the bearing, i.e.,
Higher-height pier stiffness is smaller, and the smaller pier stiffness of height is larger instead, then, it is connect with higher-height bridge pier
The horizontal rigidity value setting of bearing is more larger, and the horizontal rigidity value setting for the bearing being connect with a lower height of bridge pier is smaller.
In this way, the bridge pier of different height is matched using the bearing of different level rigidity, different height bridge pier is connect with girder to be constituted
Rigidity total value size then match each other, to form bridge.The overall stiffness of this structural system each bridge pier and bearing
Balanced, the displacement coordinating and unifying.
The elastic bearing component being arranged in bearing used by the bridge can be used for adjusting the horizontal direction rigidity of bearing, into
And the composite rigidity of bridge pier and bearing can be adjusted, since the global stiffness of bridge pier and bearing is mutually matched, improve bridge pier internal force
Distribution, improve the anti-seismic performance of bridge, when bridge is by larger earthquake ensure structure safety.
Compared with prior art, beneficial effects of the present invention：
1. the variation rigidity combined isolator includes at least one non-yielding prop structure between bearing top plate and base-plate
Part and at least one elastic bearing component, wherein rigid support member are fixedly connected using upper and lower surfaces one, a contact
(on-fixed connection) mode of connection, can realize the rigid support member when by the power of vertical direction, ensure bearing perpendicular
Histogram is upwardly-deformed very small, almost keeps stablizing indeformable；And the bearing is additionally provided with elastic bearing component, the elastic bearing structure
Part has certain deflection, and the upper and lower surface of elastic bearing component is fixedly connected on bearing top plate and base-plate,
When power of the bearing by different size of horizontal direction, bearing top plate can relative seat bottom plate generate displacement, to realize
The horizontal rigidity of the bearing is adjusted；When the bearing is used for bridge, antidetonation demand when bridge can be made to meet larger earthquake improves
The anti-seismic performance of bridge, this bearing can also be applied to other buildings and hydraulic engineering technical field；
2. the several groups side dam assemblies being arranged below the bearing top plate, the purpose is to be the two of every group of side dam assemblies
A L-type side shield, can be adapted to the otic placode of each rigid support member, to realize when larger earthquake (such as 8-9 grades) occurs in bridge
When, the function of resistance to plucking is provided, avoids falling beam；
3. the bridge, including several height not equal bridge pier and the girder above bridge pier, wherein each bridge pier and
Bearing is connected between girder, the horizontal rigidity of each of which bearing has direct relationship with the bridge pier height for connecting the bearing, i.e.,
Higher-height pier stiffness is smaller, and the smaller pier stiffness of height is larger instead, then, it is connect with higher-height bridge pier
The horizontal rigidity value setting of bearing is more larger, and the horizontal rigidity value setting for the bearing being connect with a lower height of bridge pier is smaller.
In this way, the bridge pier of different height is matched using the bearing of different level rigidity, different height bridge pier is constituted rigid with bearing
Degree total value size then matches each other.Overall stiffness equilibrium, the displacement coordination system of this structural system each bridge pier and bearing
One.Since the global stiffness of bridge pier and bearing is mutually matched, the distribution of bridge pier internal force is improved, the bridge is by larger earthquake
When, the antidetonation ultimate bearing capacity of bridge is not only increased, while also controlling bridge vibration displacement, improves bridge earthquake resistance
Energy.
Description of the drawings：
Fig. 1 is a kind of structural front view of variation rigidity combined isolator of the present invention in embodiment 1；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is rigid support member, elastic bearing component and the mutually matched structural schematic diagram of base-plate in Fig. 2；
Fig. 4 is the bridge structure schematic diagram in embodiment 2；
Fig. 5 is the partial structurtes enlarged drawing of Fig. 4.
It is marked in figure：
1, bearing top plate, 2, base-plate, 3, rigid support member, 31, stainless steel plate, 32, plane slide plate, 33, convex surface
Steel plate, 34, cambered surface slide plate, 35, concave surface steel plate, 36, otic placode, 4, elastic bearing component, 41, rubber composite elastic body, 42, upper company
Connect steel plate, 43, lower junction steel plate, 5, side shield, 6, bolt, 7, bridge pier, 8, girder.
Specific implementation mode
With reference to test example and specific implementation mode, the present invention is described in further detail.But this should not be understood
It is only limitted to embodiment below for the range of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that the content of present invention is realized
The range of invention.
Embodiment 1
As shown in Figs. 1-3, a kind of variation rigidity combined isolator, including bearing top plate 1 and base-plate 2, the bearing top plate 1
At least one rigid support member 3 and at least one elastic bearing component 4, each elasticity are equipped between base-plate 2
4 upper and lower surface of supporting member is respectively fixedly connected on the bearing top plate 1 and base-plate 2.
The variation rigidity combined isolator includes at least one non-yielding prop between bearing top plate 1 and base-plate 2
Component 3 and at least one elastic bearing component 4, wherein one in 3 upper and lower surfaces of rigid support member are to be fixedly connected, one
A is to connect (on-fixed connection).
Above-mentioned each elastic bearing component 4 is 41 structural member of rubber composite elastic body.On each rubber composite elastic body 41
Lower two surfaces are respectively equipped with junction steel plate 42 and lower junction steel plate 43, upper junction steel plate 42, lower junction steel plate 43 respectively with
The bearing top plate 1 and base-plate 2 are mutually permanently connected.Each rubber composite elastic body 41 is distinguished by sulfuration adhesion oxidant layer
It is connected with each other with the upper junction steel plate 42, lower junction steel plate 43.In addition, upper junction steel plate 42 and lower junction steel plate 43 pass through
Bolt 6 is mutually permanently connected with bearing top plate 1 and base-plate 2 respectively.
In addition, each rubber composite elastic body 41 can be selected as rectangular structural member.Bearing top plate 1 and base-plate 2 it
Between be equipped with two groups of rigid support members 3, every group of rigid support member 3 includes several rigid support members 3, two groups of non-yielding props
At least one elastic bearing component 4 is set between component 3.Be equipped between bearing top plate 1 and base-plate 2 two groups it is all
Rigid support member 3 is uniformly distributed, and all elastic bearing components 4 are located at the centre position of bearing.
Above-mentioned each rigid support member 3 includes concave surface steel plate 35, is equipped with cambered surface slide plate 34, convex on concave surface steel plate 35 successively
Face steel plate 33 is provided with plane slide plate 32 and stainless steel plate 31, concave surface steel plate 35 between convex surface steel plate 33 and the bearing top plate 1
Bottom is fixedly connected with the base-plate 2 by bolt 6.Each 35 both sides of concave surface steel plate are equipped with otic placode 36, under bearing top plate 1
Surface is fixedly connected with several groups side dam assemblies by bolt 6, and every group of side dam assemblies include two L-type side shields 5, each
Concave surface steel plate 35 be equipped with one group described in side dam assemblies, two L-type side shields 5 of every group of side dam assemblies respectively with concave surface steel plate
35 two otic placodes 36 are mutually adapted.The several groups side dam assemblies that 1 lower section of bearing top plate is arranged, the purpose is to be every group
Two L-type side shields 5 of side dam assemblies, can be adapted to the otic placode 36 of each rigid support member 3, to realize when bridge occurs
When larger earthquake (such as 8-9 grades), start the function of resistance to plucking, restrainer.
The bearing can realize the rigid support member 3 when by the power of vertical direction, ensure bearing in vertical direction
Upper deformation is very small, almost keeps stablizing indeformable；And the bearing is additionally provided with elastic bearing component 4, the elastic bearing component 4 tool
There is certain deflection, and the upper and lower surface of elastic bearing component 4 is to be fixedly connected on bearing top plate 1 and base-plate 2,
When power of the bearing by different size of horizontal direction, bearing top plate 1 can relative seat bottom plate 2 generate displacement, to real
Now the horizontal rigidity of the bearing is adjusted.
The bearing the can be applied to existing highway bridge of antidetonation demand, especially bridge pier height do not wait and need to bear significantly
The bridge of shake.The variation rigidity combined isolator composite rigidity that bridge pier and bearing are adjusted with such bridge, makes each bridge pier and branch
The overall stiffness of seat is balanced, conjugates the coordinating and unifying, increases substantially the anti-seismic performance of bridge.This bearing can also be applied to other
Building and hydraulic engineering technical field.
Embodiment 2
As illustrated in figures 4-5, the present invention also provides a kind of bridges, including the not equal bridge pier 7 of several height and set on bridge
The girder 8 of 7 top of pier, each 8 both ends of the girder are connected with each other by variation rigidity combined isolator and bridge pier 7 respectively, wherein high
The horizontal rigidity for spending the elastic bearing component 4 of 8 connects bearings of higher bridge pier 7 and girder is bigger, a lower height of bridge
The horizontal rigidity of the elastic bearing component 4 of 8 connects bearings of pier 7 and girder is smaller.
The distance between horizontal rigidity value size and 8 zero displacement point of girder of 7 upper bracket of each bridge pier inversely, should
The definition of the zero displacement point of girder 8 is that, when temperature change, concrete shrinkage and creep, bridge superstructure beam body is made by this
With and elongate or shorten, within one must there are one " fixed point ", be located at should " fixed point " both sides girder 8 respectively as
Boundary elongates or shortens round about, this " fixed point " is known as the zero displacement point of the connection structure of girder 8.
The bridge, including several height bridge pier 7 not etc. and the girder 8 above bridge pier 7, wherein each bridge pier 7
Bearing is connected between girder 8, the horizontal rigidity of each of which bearing has direct pass with 7 height of bridge pier for connecting the bearing
System, i.e., higher-height 7 rigidity of bridge pier is smaller, and smaller 7 rigidity of bridge pier of height is larger instead, then, with higher-height bridge
The horizontal rigidity value setting for the bearing that pier 7 connects is more larger, and the horizontal rigidity value for the bearing being connect with a lower height of bridge pier 7 is set
It sets smaller.In this way, the bridge pier 7 of different height is matched using the bearing of different level rigidity, different height bridge pier 7 and bearing
The rigidity total value size constituted then matches each other, to form bridge.The each bridge pier 7 of this structural system and bearing it is whole
Body rigidity is balanced, conjugates the coordinating and unifying.Since the global stiffness of bridge pier 7 and bearing is mutually matched, point of 7 internal force of bridge pier is improved
Match, for the bridge when by larger earthquake, bridge pier 7 connects relatively reliable stabilization with bearing；Not only increase the antidetonation pole of bridge
Bearing capacity is limited, while also controlling bridge vibration displacement, improves Bridges in Mountainous Areas anti-seismic performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of variation rigidity combined isolator, which is characterized in that including bearing top plate (1) and base-plate (2), the bearing top plate
(1) at least one rigid support member (3) and at least one elastic bearing component (4) are equipped between base-plate (2), each
Elastic bearing component (4) upper and lower surface is respectively fixedly connected on the bearing top plate (1) and base-plate (2).
2. a kind of variation rigidity combined isolator according to claim 1, which is characterized in that each elastic bearing component
(4) it is rubber composite elastic body (41) structural member.
3. a kind of variation rigidity combined isolator according to claim 2, which is characterized in that each rubber composite elastic body
(41) two surfaces are respectively equipped with junction steel plate (42) and lower junction steel plate (43) up and down, the upper junction steel plate (42), under
Junction steel plate (43) is mutually permanently connected with the bearing top plate (1) and base-plate (2) respectively.
4. a kind of variation rigidity combined isolator according to claim 3, which is characterized in that each rubber composite elastic body
(41) it is connected with each other respectively with the upper junction steel plate (42), lower junction steel plate (43) by sulfuration adhesion oxidant layer.
5. a kind of variation rigidity combined isolator according to claim 2, which is characterized in that each rubber composite elastic body
(41) it is rectangular structural member or tubular structural member.
6. a kind of variation rigidity combined isolator according to claim 1, which is characterized in that the bearing top plate (1) and bearing
Two groups of rigid support members (3) are equipped between bottom plate (2), every group of rigid support member (3) includes several rigid support members
(3), at least one elastic bearing component (4) is set between two groups of rigid support members (3).
7. a kind of variation rigidity combined isolator according to claim 6, which is characterized in that the bearing top plate (1) and bearing
Rigid support member (3) described in two groups be equipped between bottom plate (2) is to be uniformly distributed, all elastic bearing component (4) positions
In the centre position of bearing.
8. according to a kind of any variation rigidity combined isolators of claim 1-7, which is characterized in that each non-yielding prop
Component (3) includes concave surface steel plate (35), is equipped with cambered surface slide plate (34), convex surface steel plate (33) on the concave surface steel plate (35) successively,
Plane slide plate (32) and stainless steel plate (31) are provided between the convex surface steel plate (33) and the bearing top plate (1), it is described recessed
Steel plate (35) bottom in face is fixedly connected with the base-plate (2).
9. a kind of variation rigidity combined isolator according to claim 8, which is characterized in that each concave surface steel plate (35) two
Side is equipped with otic placode (36), and bearing top plate (1) lower surface is equipped with several groups side dam assemblies, and every group of side dam assemblies include two
A L-type side shield (5), each concave surface steel plate (35) is equipped with side dam assemblies described in one group, side dam assemblies described in every group
Two L-type side shields (5) be mutually adapted respectively with two otic placodes (36) of concave surface steel plate (35).
10. a kind of bridge, including several height bridge pier (7) not etc. and the girder (8) above bridge pier, feature exists
In each girder (8) both ends pass through the variation rigidity combined isolator and bridge pier (7) as described in claim 1-9 is any respectively
It is connected with each other, wherein the elastic bearing component of higher-height bridge pier (7) and the connect variation rigidity combined isolator of girder (8)
(4) horizontal rigidity is bigger, and a lower height of bridge pier (7) is propped up with the elasticity of the connect variation rigidity combined isolator of girder (8)
The horizontal rigidity of bearing member (4) is smaller.
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| CN201810555521.1A CN108611967A (en) | 2018-06-01 | 2018-06-01 | A kind of variation rigidity combined isolator |
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| CN2646197Y (en) * | 2003-09-12 | 2004-10-06 | 常熟市万宝桥梁构件有限公司 | Pot type tensile rubber bearing |
| CN200952117Y (en) * | 2006-07-17 | 2007-09-26 | 郑学珍 | Basin type ball bearing used in bridge engineering structure |
| CN200955119Y (en) * | 2006-07-17 | 2007-10-03 | 郑学珍 | Basin-type support-base used in bridge engineering structure |
| CN201172901Y (en) * | 2008-03-20 | 2008-12-31 | 同济大学 | High-damping rubber sphere combined support |
| CN201232161Y (en) * | 2008-07-22 | 2009-05-06 | 衡水宝力工程橡胶有限公司 | Ball type tensile support |
| CN201232159Y (en) * | 2008-07-22 | 2009-05-06 | 衡水宝力工程橡胶有限公司 | Basin type tensile support |
| CN202107983U (en) * | 2011-05-17 | 2012-01-11 | 四川省交通运输厅公路规划勘察设计研究院 | Continuous bridge system with one end fixedly connected |
| CN102852087A (en) * | 2012-09-07 | 2013-01-02 | 江苏中兴水务有限公司 | Novel ship-to-shore approach bridge support for water intaking pump ship |
| CN204401450U (en) * | 2014-12-30 | 2015-06-17 | 上海浦东建筑设计研究院有限公司 | A kind of bridge ball steel and laminated rubber combined earthquake-resistant bearing |
| CN205088566U (en) * | 2015-11-04 | 2016-03-16 | 株洲时代新材料科技股份有限公司 | Tensile ball -shaped steel support |
| CN105696459A (en) * | 2016-03-23 | 2016-06-22 | 四川翔晖路桥工程有限公司 | Positive direction variable-rigidity laminated rubber bearing |
| CN106351118A (en) * | 2016-10-17 | 2017-01-25 | 上海市政工程设计研究总院（集团）有限公司 | Earthquake isolation and reduction structure and earthquake reduction method thereof |
| CN106988209A (en) * | 2017-04-06 | 2017-07-28 | 四川交通职业技术学院 | A kind of super-high pier concrete filled steel tube continuous beam Aseismic Structure System beam bridge |
| CN107217587A (en) * | 2017-06-08 | 2017-09-29 | 成都市大通路桥机械有限公司 | A kind of split type Isolated Bridges bearing |
| CN206887749U (en) * | 2017-06-08 | 2018-01-16 | 成都市大通路桥机械有限公司 | A kind of split type Isolated Bridges bearing |
| CN107653773A (en) * | 2017-10-12 | 2018-02-02 | 中铁第四勘察设计院集团有限公司 | A kind of straddle-type rail beam bearing stepless height-regulating structure |
| CN107700341A (en) * | 2017-10-12 | 2018-02-16 | 中铁第四勘察设计院集团有限公司 | A kind of bridge pad with antidumping function |
| CN208668256U (en) * | 2018-06-01 | 2019-03-29 | 四川省交通运输厅公路规划勘察设计研究院 | Variation rigidity combined isolator and bridge |
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Inventor after: Mou Tingmin Inventor after: Sun Caizhi Inventor after: Liang Jian Inventor after: Kang Ling Inventor after: Li Chengjun Inventor after: Wu Datong Inventor after: Fan Bikun Inventor after: Di Bingzhen Inventor after: Li Sheng Inventor after: Zhao Yicheng Inventor after: Luo Qi Inventor before: Mou Tingmin Inventor before: Wu Datong Inventor before: Fan Bikun Inventor before: Li Sheng Inventor before: Zhao Yicheng Inventor before: Luo Qi Inventor before: Sun Caizhi Inventor before: Kang Ling Inventor before: Liang Jian |