CN105586827B - Continuous beam bridge vibration reduction device with inertia force activating function - Google Patents
Continuous beam bridge vibration reduction device with inertia force activating function Download PDFInfo
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- CN105586827B CN105586827B CN201610062046.5A CN201610062046A CN105586827B CN 105586827 B CN105586827 B CN 105586827B CN 201610062046 A CN201610062046 A CN 201610062046A CN 105586827 B CN105586827 B CN 105586827B
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- pier
- inertia force
- lock tube
- locking bar
- horizontal
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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
-
- 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
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
Abstract
The invention relates to the field of bridge vibration reduction and isolation, in particular to a continuous beam bridge vibration reduction device with the inertia force activating function. The continuous beam bridge vibration reduction device comprises an activating device, a locking device, a horizontal locking rod and corbels. The horizontal locking rod is connected with a beam body through the corbels. The activating device and the locking device are fixed to a movable pier. The horizontal locking rod is arranged in an inner space of the locking device. In the normal state, the clearance in the locking device is larger than the outer diameter of the horizontal locking rod, the horizontal locking rod can freely and horizontally move in the locking device, and the bridge pier position change requirement in the normal state is met. When an earthquake occurs, the activating device swings under the inertia force effect to drive a connecting rod mechanism of the activating device to swing, the inner space of the locking device is shrunk, the horizontal locking rod is embedded in the inner space, and therefore the relative displacement of the beam body and the movable pier is limited. The continuous beam bridge vibration reduction device is simple in principle, economical, reliable, capable of being used for newly-built continuous beam anti-seismic design and existing continuous beam anti-seismic reinforcement and convenient to apply and popularize.
Description
Technical field
The present invention relates to bridge subtracts shock insulation field, and in particular to a kind of continuous bridge damping device of inertia force activation, fit
Newly-built Aseismic Design and existing building antidetonation for highway bridge, railway bridge, Urban Bridge and all kinds of Large Scale and Continuous girder constructions adds
Gu, when earthquake happens suddenly, by principle is simple, economic and reliable damping device, the purpose of structure cooperative bearing is reached, structure is improved
Overall anti-seismic performance.
Background technology
For meeting the displacement needs that temperature load causes, a span continuous beam often only arranges an anchor block, and this not only makes
The shock resistance of anchor block is difficult to meet seismic demand, and causes continuous bridge longitudinal earthquake dynamic respond larger, easily
Cause the destruction of expansion joint and bearing, even result in the generation of the serious earthquake such as beam.For reducing the earthquake of continuous bridge, exploitation
The devices such as viscous damper, hyperboloid spheroidal bearer of shock absorption and insulation and inhaul cable damping support saddle are have developed, although can obtain certain
Damping effect, but do not change continuous bridge anchor block and individually bear longitudinal earthquake load, and the existing antidetonation of other movable piers
Potential fails to give full play to the state for utilizing.Lock-up devices judge locked opportunity, reason by index of beam pier speed of related movement
By can above realize each pier cooperative bearing, but its with high costs, later maintenance is complicated, causes which to apply less.
The content of the invention
It is an object of the present invention to provide a kind of activation of inertia force, principle reliability, simple structure, economy and durability, be easy to inspection
With the novel large-tonnage continuous bridge damping device safeguarded, using the present invention, anchor block and each activity can be realized during earthquake burst
Pier cooperative bearing, reaches the continuous bridge for solving the conventional design independent stress of anchor block, bridge top under longitudinal earthquake effect
The earthquake problem such as structure length travel is excessive.
For solving the above problems, the technical solution used in the present invention is：
A kind of continuous bridge damping device of inertia force activation, its key technology is：Which includes activating device, locking dress
Put, horizontal locking bar and bracket, horizontal locking bar is fixedly connected with continuous bridge beam body by bracket, activation device and locking device point
It is not fixed on continuous bridge movable pier, the locking device surrounds inner space, the horizontal locking bar is placed in the locking dress
In the inner space put, the activation device controls the inner space of the locking device by linkage.Under normal condition,
Inside locking device, headroom is more than horizontal locking bar external diameter, horizontal locking bar can the free horizontal movement in locking device, meet normally
State underbeam pier conjugates demand.Earthquake happen suddenly when, activate device pendulum inertia force effect under around center-pole rotate, drive with
The fork that the activation device collar is fixedly connected accordingly swings, and so as to activate the lock tube inside locking device, lock tube is rotated around bearing pin
Cause its inner space to diminish, be in mutual build-in state with horizontal locking bar, so as to limit the relative displacement of beam body and movable pier, reach
Anchor block is cooperateed with to bear the purpose of horizontal earthquake load to movable pier, so as to improve the anti-seismic performance of continuous bridge.
Preferably, the activation device includes the pillar being fixed on movable pier, pillar upper end is provided with center-pole, covers
Ring can be rotated around center-pole, and pendulum is consolidated in below the collar by connecting rod, and the fork of linkage is consolidated in above the collar, pendulum
Hammer, connecting rod and fork are integral by collar-shaped, and when earthquake causes pillar with movable pier horizontal movement, pendulum is in inertia
Power acts on lower band driven fork and rotates around center-pole.During practical application, by adjusting pendulum weight and its radius of gyration, can basis
Need to arrange the activation threshold of activation device.
Preferably, the locking device includes fixed plate, lock tube and slide block, wherein, slide block is annular shape, positioned at fixation
Between plate and lock tube, transmit in order to lock tube and fixed plate load and reduce lock tube around bearing pin rotate when frictional force, lock tube is whole
Body is in semicolumn housing, is that, in teeth shape, locking device needs two lock tubes to use cooperatively, fixed plate, lock tube and slide block inside which
It is connected as a single entity by bearing pin, fixed plate is consolidated on movable pier, lock tube can be rotated around bearing pin, below two lock tubes, passes through connecting rod machine
Two struts connection of structure, between two struts and strut is with the connection of lock tube and is hinged, when two strut angles are more than designing
During value, lock tube inner space is more than horizontal locking bar external diameter, and design load needed for strut angle can be according to the activation threshold of activation device
Setting.
Preferably, the horizontal locking bar is cylinder, and outer surface boss annular in shape, the load root that its boss can bear
Determine according to movable pier maximum load capacity, annular boss is set as needed along the setting scope on horizontal length of locking rod direction.
Preferably, the load that single teeth can bear inside the lock tube need to be more than horizontal locking bar individual ring boss
Ultimate bearing capacity, its teeth quantity can be set as needed.
Preferably, the linkage includes two struts and a fork, two strut one end are hinged with corresponding lock tube, separately
One end is hinged with fork, and fork is fixedly connected with the collar of activation device.When earthquake occurs, pendulum is under inertia force effect in
The rotation of core bar will cause linkage action, i.e. fork to swing with the activation device collar, cause between two strut of locking device
Variable angle, causes lock tube to rotate around bearing pin then, and the movable pier motion caused by earthquake reaches the activation threshold of activation device
When, between two struts, angle will be less than design load, and now lock tube inner space is less than horizontal locking bar external diameter, limit then beam body and
The relative motion of movable pier, reaches movable pier and anchor block cooperative bearing, improves the purpose of continuous bridge entirety anti-seismic performance.
The operation principle of described device is：
Normal operation state, the fork for activating the pendulum and linkage of device are in vertical state, are hinged with fork
The strut of linkage is the level of state, and inside locking device, headroom is more than horizontal locking bar external diameter, and horizontal locking bar can be in locking
Free horizontal movement in device, meets normal operation state underbeam pier Relative Displacement demand then.
Earthquake bursty state, earthquake burst will cause the horizontal movement of movable pier, pendulum and fork inertia force act on around
Center-pole swings, and the strut angle for causing linkage is diminished by the rotation of fork, and the lock tube of guiding locking device turns around bearing pin
Dynamic, when caused by earthquake, movable pier motion reaches the activation threshold of activation device, inside lock tube, teeth will be convex in horizontal locking bar
The mutual build-in of platform, limits the relative displacement of beam body and movable pier, superstructure vertical equity earthquake is transferred to movable pier, realizes
The purpose of each pier cooperative bearing of continuous bridge.
Movable pier guard mode, the core concept of the device are the antidetonation potential using movable pier, therefore horizontal locking bar boss
Ultimate bearing capacity a need to be determined according to the maximum load-carrying capacity b of movable pier, can use a=2b/3, when earthquake is excessive, cause beam body institute
The earthquake load for being transferred to movable pier reaches a values, and horizontal ledge surrender is produced between beam pier in the state of sustained loading about a values
Raw relative displacement, so, you can play the antidetonation potential of movable pier to greatest extent, be avoided that the excessive generation of movable pier stress again
Destruction.
Beneficial effect
The positive effect of the present invention is：Research and develop a kind of activation of inertia force, principle reliability, simple structure, economy and durability, just
In the novel large-tonnage continuous bridge damping device for checking with safeguard, using occlusion power transmission principle, reach each pier of continuous bridge and exist
The purpose of cooperative bearing under seismic loading, it is adaptable to highway bridge, railway bridge, Urban Bridge and all kinds of Large Scale and Continuous girder constructions
Newly-built Aseismic Design and existing building seismic hardening, when earthquake happens suddenly, by principle is simple, economic and reliable damping device,
The purpose of structure cooperative bearing is reached, structure entirety anti-seismic performance is improved.
The present invention has beam body and movable pier connection and movable pier capacity protection function in good time, both can be when earthquake happened suddenly
To greatest extent play movable pier antidetonation potential, can be prevented effectively from again movable pier stress it is excessive and cause structural deterioration.
The present invention has runback bit function, and after earthquake stops, pendulum is in vertical state under gravity, and fork is with pendulum
Hammer swing can the strut of drivening rod mechanism recover to initial level state, then the lock tube of locking device is flared out, it is real
The Self-resetting of existing damping device, does not affect to shake axle casing normal operation.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the main structure diagram of invention activation device.
Fig. 3 is the side structure schematic view of invention activation device.
Fig. 4 is the main structure diagram of locking device of the present invention.
Fig. 5 is the cross section structure diagram of locking device of the present invention.
Fig. 6 is the main structure diagram under normal operation state of the present invention.
Fig. 7 is the A-A cross section structure diagrams of Fig. 6.
Fig. 8 is the main structure diagram under earthquake bursty state of the present invention.
Fig. 9 is the side structure schematic view under earthquake bursty state of the present invention.
Figure 10 is structural representation under movable pier guard mode of the present invention.
Figure 11 is the partial enlargement structural representation of A in Figure 10.
Wherein：1 activation device, 1-1 pendulums, 1-2 connecting rods, 1-3 center-poles, the 1-4 collars, 1-5 forks, 1-6 pillars, 2 locks
Determine device, 2-1 fixed plates, 2-2 lock tubes, 2-3 slide blocks, 2-4 bearing pins, 2-5 struts, 3 horizontal locking bars, 4 brackets, 5 beam bodies, 6 movable
Pier.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, 1-11 and specific embodiment below in conjunction with the accompanying drawings
Clear, complete description is carried out to invention.
The structure of the present embodiment as Figure 1-5, a kind of continuous bridge damping device of inertia force activation, which includes activation
Device 1, locking device 2, horizontal locking bar 3 and bracket 4, horizontal locking bar 3 are fixedly connected with continuous bridge beam body 5 by bracket 4, are swashed
Removable mounting put 1 and locking device 2 be individually fixed on the movable pier 6 of continuous bridge, the locking device 2 surrounds inner space, institute
State horizontal locking bar 3 to be placed in the inner space of the locking device 2, the activation device 1 controls the lock by linkage
Determine the inner space of device 2.
As shown in Figures 2 and 3, the activation device 1 includes two pillar 1-6 being fixed on movable pier 6, pillar described in two
1-6 upper ends are provided with center-pole 1-3, and center-pole 1-3 is crossed between two pillar 1-6, is provided with the collar on the center-pole 1-3
1-4, collar 1-4 can be rotated around center-pole 1-3, and pendulum 1-1 is consolidated in below collar 1-4 by connecting rod 1-2, the pendulum of linkage
Bar 1-5 is consolidated in above collar 1-4, and pendulum 1-1, connecting rod 1-2 and fork 1-5 form entirety by collar 1-4, when earthquake occurs
Cause pillar 1-6 with during 6 horizontal movement of movable pier, pendulum 1-1 turns around center-pole 1-3 in inertia force effect lower band driven fork 1-5
It is dynamic.During practical application, by adjusting pendulum 1-1 weight and its radius of gyration, can be arranged as required to activate the activation of device 1
Threshold value.
As shown in Figures 4 and 5, the locking device 2 includes fixed plate 2-1, lock tube 2-2 and slide block 2-3, wherein, slide block 2-3
For annular shape, between fixed plate 2-1 and lock tube 2-2, lock tube 2-2 is in integrally semicolumn housing, inside which be in teeth shape,
Locking device 2 needs two lock tube 2-2 to use cooperatively, and fixed plate 2-1, lock tube 2-2 and slide block 2-3 are connected as a single entity by bearing pin 2-4,
Fixed plate 2-1 is consolidated on movable pier 6, and lock tube 2-2 can be rotated around bearing pin 2-4, by linkage below two lock tube 2-2
Two strut 2-5 connection, two strut 2-5 are hinged with the lock tube 2-2 of respective side respectively, the other end of two strut 2-5 with
The fork 1-5 upper ends of the linkage are hinged, when the angle of two strut 2-5 is more than design load, lock tube 2-2 inner spaces
More than the external diameter of horizontal locking bar 3, strut 2-5 angles can be according to the activation threshold setting of activation device more than design load.
The two struts 2-5 and a fork 1-5 collectively form the connecting rod machine of the inner space for controlling the locking device 2
Structure, strut 2-5 one end described in two are hinged with corresponding lock tube 2-2, and the other end is hinged with the fork 1-5, the fork 1-5 with
The collar 1-4 is fixedly connected, and the swing of fork 1-5 drives the strut 2-5 linkages, so that lock tube 2-2 turns around bearing pin 2-4
It is dynamic.
The horizontal locking bar 3 be cylinder, its outer surface boss annular in shape, the load that its boss can bear is according to activity
The maximum load capacity of pier 6 determines that annular boss is set as needed along the setting scope on 3 length direction of horizontal locking bar.Lock tube
The load that single teeth can bear inside 2-2 need to be more than the ultimate bearing capacity of 3 individual ring boss of horizontal locking bar, its teeth number
Amount can be set as needed.
Under normal condition, external diameter of the 2 inside headroom of locking device more than horizontal locking bar 3, horizontal locking bar 3 can be in locking device
Free horizontal movement in 2, meets normal condition underbeam pier displacement demand.
When earthquake happens suddenly, the pendulum 1-1 for activating device 1 is rotated around center-pole 1-3 under inertia force effect, is driven and activation
The fork 1-5 that the collar 1-4 of device 1 is fixedly connected accordingly swings, so as to activate the lock tube 2-2 inside locking device 2, lock tube 2-
2 cause its inner space to diminish around bearing pin 2-4 rotations, are in mutual build-in state with horizontal locking bar 3, so as to limiting beam body 5 and living
The relative displacement of dynamic pier 6, reaches the purpose that movable pier collaboration anchor block bears horizontal earthquake load, so as to improve continuous bridge
Anti-seismic performance.
As Figure 6-9, it is for being hinged between the fork 1-5 and the strut 2-5 of locking device 2 of the activation device 1, local
Shake causes pendulum 1-1 when inertia force effect lower band driven fork 1-5 is rotated around center-pole 1-3, and the motion of fork 1-5 will be led
Variable angle between two strut 2-5 of locking device 2 is caused, causes then lock tube 2-2 to rotate around bearing pin 2-4, caused by earthquake
When the motion of movable pier 6 reaches the activation threshold of activation device 1, between two strut 2-5, angle will be less than design load, now lock tube 2-
External diameter of 2 inner spaces less than horizontal locking bar 3, limits the relative motion of beam body 5 and movable pier 6 then, reaches movable pier 6 and consolidates
Determine pier cooperative bearing, improve the purpose of continuous bridge entirety anti-seismic performance.
As described in figures 1 and 5, normal operation state, activates the fork 1-5 of pendulum 1-1 and linkage of device 1 in perpendicular
Straight state, two be hinged with fork 1-5 linkage strut 2-5 are the level of state, and 2 inside headroom of locking device is more than level
3 external diameter of locking bar, horizontal locking bar 3 can the free horizontal movement in locking device 2, meet then normal operation state underbeam pier phase
To conjugating demand.
As shown in Figures 6 and 7, during normal operation state underbeam pier Relative Displacement, pendulum 1-1 acts on lower band in inertia force
Driven fork 1-5 around center-pole 1-3 rotate when, the motion of fork 1-5 will cause angle between two strut 2-5 of locking device 2 to become
Change, cause then lock tube 2-2 to rotate around bearing pin 2-4, but the motion of movable pier 6 does not reach activation in normal beam pier phase place change
The activation threshold of device 1, although angle reduces between two strut 2-5, still above design load, now inside lock tube 2-2
External diameter of the space still above horizontal locking bar 3, without limitation on beam body 5 and the relative motion of movable pier 6.
As shown in FIG. 8 and 9, earthquake bursty state, earthquake burst will cause the horizontal movement of movable pier 6, pendulum 1-1 and pendulum
Bar 1-5 is acted in inertia force and being swung around center-pole 1-3, and the strut 2-5 angles for causing locking device 2 are become by the rotation of fork 1-5
Little, guiding lock tube 2-2 is rotated around bearing pin 2-4, when caused by earthquake, the motion of movable pier 6 reaches the activation threshold of activation device,
Inside lock tube 2-2, teeth in the mutual build-in of 3 boss of horizontal locking bar, will limit the relative displacement of beam body 5 and movable pier 6, by top
Structure vertical equity earthquake is transferred to movable pier 6, realizes the purpose of each pier cooperative bearing of continuous bridge.
As shown in Figure 10 and Figure 11,6 guard mode of movable pier, the core concept of the device are the antidetonations using movable pier 6
Potential, therefore the ultimate bearing capacity a of horizontal locking bar boss need to be determined according to the maximum load-carrying capacity b of movable pier, can use a=2b/3, when
Earthquake is excessive, causes the earthquake load of 5 be transferred to movable pier 6 of beam body to reach a values, and horizontal ledge surrender is being maintained between beam pier
Load produces relative displacement in the state of being about a values, so, you can play the antidetonation potential of movable pier, and energy to greatest extent
Avoid the excessive generation destruction of movable pier stress.
As another embodiment, connection damping energy dissipation device can be installed between horizontal locking bar 3 and bracket 4 or will be locked
Determine the Slipper in device to set up under the effect of damping energy dissipation device inertia force, after Liang Dun is locked by above-mentioned damping device, on
Portion's structural earthquake load can also further improve Seismic Design of Continuous Girder Bridges by damping energy dissipation during being transferred to movable pier
Energy.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
With reference to the foregoing embodiments the present invention has been described in detail, it will be understood by those within the art that：Which still may be used
To modify to the technical scheme described in previous embodiment, or equivalent is carried out to which part technical characteristic；And
These modifications are replaced, and do not make the essence of appropriate technical solution depart from spirit and the model of embodiment of the present invention technical scheme
Enclose.
Claims (6)
1. the continuous bridge damping device that a kind of inertia force is activated, it is characterised in that：Which includes activating device（1）, locking device
（2）, horizontal locking bar（3）And bracket（4）, horizontal locking bar（3）By bracket（4）With beam body（5）It is connected, activates device（1）And lock
Determine device（2）It is individually fixed in movable pier（6）On, the locking device（2）Surround inner space, the horizontal locking bar（3）Put
In the locking device（2）Inner space in, the activation device（1）The locking device is controlled by linkage（2）
Inner space；
Under normal condition, the locking device（2）Internal headroom is more than the horizontal locking bar（3）External diameter, horizontal locking bar（3）Can be
Locking device（2）Interior free horizontal movement, meets normal condition underbeam pier displacement demand；
When earthquake occurs, the activation device（1）Lower swing is acted in inertia force, activation device is driven then（1）With locking dress
Put（2）Between linkage swing, cause locking device（2）Inner space shrink, and with the horizontal locking bar（3）It is mutually embedding
Gu, so as to limit beam body（5）And movable pier（6）Relative displacement.
2. the continuous bridge damping device that a kind of inertia force according to claim 1 is activated, it is characterised in that：The activation
Device（1）Including being fixed on movable pier（6）On two pillars（1-6）, pillar described in two is fixedly installed（1-6）Between center-pole
（1-3）, be arranged on the center-pole（1-3）On the collar（1-4）And pendulum（1-1）, the collar（1-4）Can be around center-pole
（1-3）Rotate, the pendulum（1-1）By connecting rod（1-2）It is consolidated in the collar（1-4）Lower section, the collar（1-4）With the company
Linkage is fixedly connected, when earthquake causes pillar（1-6）With movable pier（6）During horizontal movement, pendulum（1-1）In inertia force
Effect is lower to drive the collar（1-4）Around center-pole（1-3）Rotate, the collar（1-4）Drive the linkage action.
3. the continuous bridge damping device that a kind of inertia force according to claim 2 is activated, it is characterised in that：The locking
Device（2）Including two fixed plates（2-1）, two lock tubes（2-2）With two slide blocks（2-3）, wherein, fixed plate described in two（2-1）It is fixed
In movable pier（6）On, the lock tube（2-2）Integrally in semicolumn housing, lock tube described in two（2-2）Top is by being fixed on two institutes
State fixed plate（2-1）Between bearing pin（2-4）It is hinged, slide block described in two（2-3）For annular shape and positioned at fixed plate（2-1）And lock
Set（2-2）Between, in order to lock tube（2-2）With fixed plate（2-1）Load is transmitted and reduces lock tube（2-2）Around bearing pin（2-4）Turn
Frictional force when dynamic, beneficial to lock tube described in two（2-2）Around bearing pin（2-4）Rotate, two lock tubes（2-2）Lower section passes through the connecting rod
Mechanism and the activation device（1）The collar（1-4）Connection.
4. the continuous bridge damping device that a kind of inertia force according to claim 3 is activated, it is characterised in that：The connecting rod
Mechanism includes two struts（2-5）With a fork（1-5）, strut described in two（2-5）One end and corresponding lock tube（2-2）It is hinged, separately
One end and the fork（1-5）It is hinged, the fork（1-5）With the collar（1-4）It is fixedly connected.
5. the continuous bridge damping device that a kind of inertia force according to claim 4 is activated, it is characterised in that：The fork
（1-5）With strut（2-5）Between be hinged, when two struts（2-5）When angle is more than design load, lock tube（2-2）Inner space is big
In horizontal locking bar（3）External diameter, when earthquake causes pendulum（1-1）Lower band driven fork is acted in inertia force（1-5）Around center-pole
（1-3）During rotation, the fork（1-5）Motion will cause lock tube（2-2）Around bearing pin（2-4）Rotate, it is living caused by earthquake
Dynamic pier（6）Motion reaches activation device（1）Activation threshold when, strut described in two（2-5）Between angle will less than design load, cause
Make lock tube（2-2）Inner space is less than horizontal locking bar（3）External diameter, limits beam body then（5）And movable pier（6）Relative motion.
6. the continuous bridge damping device that a kind of inertia force according to any one of claim 3-5 is activated, it is characterised in that：
The horizontal locking bar（3）For cylinder, its outer surface boss annular in shape, the load that the annular boss can bear is according to activity
The determination of pier maximum load capacity, lock tube described in two（2-2）Internal is in teeth shape, and the load that its internal teeth can bear is more than described
Horizontal locking bar（3）Bearing capacity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062046.5A CN105586827B (en) | 2016-01-29 | 2016-01-29 | Continuous beam bridge vibration reduction device with inertia force activating function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062046.5A CN105586827B (en) | 2016-01-29 | 2016-01-29 | Continuous beam bridge vibration reduction device with inertia force activating function |
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| CN105586827A CN105586827A (en) | 2016-05-18 |
| CN105586827B true CN105586827B (en) | 2017-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106436555B (en) * | 2016-10-11 | 2018-11-23 | 重庆交通大学 | damping bridge |
| CN108330820B (en) * | 2018-04-09 | 2024-03-29 | 石家庄铁道大学 | Self-resetting friction damping device for continuous beam bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100960673B1 (en) * | 2008-01-19 | 2010-05-31 | 주식회사 오케이컨설턴트 | Device for bearing the earthquake by a mechanical damper and method of constructing it on the pier |
| CN102619165B (en) * | 2012-03-20 | 2014-07-23 | 北京工业大学 | Shock-absorbing device for bridge security belt connection system |
| CN203200648U (en) * | 2013-03-20 | 2013-09-18 | 株洲时代新材料科技股份有限公司 | Beam falling resistant device with energy dissipation function and shock absorption function in longitudinal bridge direction and vertical direction |
| KR101483071B1 (en) * | 2013-03-26 | 2015-01-16 | 유니슨이테크 주식회사 | Earthquake isolation system against vertical negative reaction |
| CN103526690B (en) * | 2013-10-23 | 2015-06-17 | 东南大学 | Locking device for bridge structure shock absorption control |
| CN103614962B (en) * | 2013-11-12 | 2015-10-14 | 北京工业大学 | A kind of continuous girder bridge self-locking linked system damping device |
| CN104695318B (en) * | 2013-12-06 | 2016-06-22 | 贵州省交通规划勘察设计研究院股份有限公司 | A kind of speed lockup's device that improves triggers method and the device of speed and latching force |
| CN103696358B (en) * | 2013-12-17 | 2015-08-05 | 北京工业大学 | The multiple span bridge beam bridge damping device that a kind of earthquake acceleration activates |
| CN103758032B (en) * | 2014-02-11 | 2015-12-09 | 株洲时代新材料科技股份有限公司 | A kind of hydraulic damping device at vertical axial with sliding function |
| CN104005489B (en) * | 2014-04-13 | 2016-07-13 | 北京工业大学 | A kind of Self-resetting power consumption connecting device and energy-consumption shock-dampening method |
| CN205369002U (en) * | 2016-01-29 | 2016-07-06 | 石家庄铁道大学 | Continuous bridge damping device of inertial force activation |
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