CN206289523U - A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure - Google Patents
A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure Download PDFInfo
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- CN206289523U CN206289523U CN201621237788.9U CN201621237788U CN206289523U CN 206289523 U CN206289523 U CN 206289523U CN 201621237788 U CN201621237788 U CN 201621237788U CN 206289523 U CN206289523 U CN 206289523U
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Abstract
The utility model discloses a kind of suitable bridge to low-yield steel energy-dissipating type bridge shock-proof check block structure, bridge shock-proof check block structure includes steel corbel, block block and steelframe；Steel corbel is fixed on the side of the pier coping portion near movable bearing support, and block block is fixed on steel corbel, and steelframe is fixed on bridge beam body bottom；The anti-seismic stop structure is arranged near each movable bearing support, and position of collision dispersion, quantity is more, the seismic force acted on each stop block structure can be effectively reduced, so as to reduce the local damage of stop block structure；Block block includes one piece of energy-dissipating type low yield point steel plate.The bridge shock-proof check block structure can effectively limit the larger displacement between beam body and bridge pier, reduce the damage at movable bearing support and expansion joint；Under violent earthquake effect, can not only effectively reduce the local damage of impact zone and reduce the damage for being delivered to bridge pier bottom, may also rely on the plastic deformation of energy-dissipating type low yield point steel plate in block block, consume part seismic energy.
Description
Technical field
The utility model belongs to bridge earthquake resistance technical field, and in particular to a kind of suitable bridge for bridge is to Low Yield Point Steel
Energy-dissipating type bridge shock-proof check block structure processed.
Background technology
China is located between Pacific Ocean earthquake zone and Eurasian earthquake zone, is one of many earthquake countries, the ground of generation in the world
Shake has that intensity is big, distribution is wide, shallow focus and the features such as earthquake especially severe.Hinge in highway communication more than the bridge built
Status and throat location, are the important component of lifeline engineering, once being destroyed in earthquake, its consequence is calamitous
, the severe paralysis of whole traffic system are resulted even in sometimes, made troubles to follow-up rescue and reconstruction.In the past
In the violent earthquake occurred in decades, the earthquake form of bridge mainly includes：Bearing is damaged；The upper beam displacement body of beam bridge is such as
Fruit then can cause to fall beam earthquake beyond the supporting surface of bridge pier（Containing direction across bridge and along bridge to）；Top beam body falls Liang Shiru
Fruit clashes into bridge pier, the impact wreckage for causing substructure very big；The local damage that adjacent Beam pounding causes at expansion joint；It is flexible
The collision stress effect at this can also be passed to bridge pier bottom by relatively large impact force at seam, cause the damage of bridge pier bottom；Bridge
The beam Antivibration block local damage of itself, so as to lose the function of seismic resistance of block.
The bridge of China displacement relatively large in order to limit top beam body direction across bridge at present, usually at the top of pier cap beam
Reinforced concrete block is installed, and it is relatively fewer to the research of relatively large displacement along bridge to limitation top beam body.But earthquake
Bridge also it occur frequently that beam body along bridge to fall beam damage.Collision between common reinforced concrete block and beam body is mixed
Rigid collision between solidifying soil, easily causes the local damage of reinforced concrete block and bridge beam body, and reinforcing bar in earthquake
The horizontal shear of concrete block is generally not enough, and block is susceptible to the destruction of unrepairable, it is impossible to limit the position of beam body very well
Move.But if strengthening the bonding strength between concrete block and bent cap, the collision effect between block and beam body can be shifted again
To bridge pier bottom, cause the damage of bridge pier bottom.Additionally earthquake centre, for the beam bridge for setting expansion joint, larger upper beam
Body can also cause direct collision of the adjacent beam at expansion joint to displacement along bridge, not only produce serious part to break in collision area
It is bad, can also increase the normal pass of the widths affect vehicle at expansion joint.
For above-mentioned deficiency, it is necessary to design and develop a kind of new suitable bridge to anti-seismic stop structure, can not only be generation
Rigid collision between block and beam body is converted into flexible impact, moreover it is possible to effectively reduce impact force and earthquake energy.
The content of the invention
In view of the drawbacks described above of prior art, the utility model designs and develops a kind of new anti-seismic stop structure and cloth
Put method, limitation, to displacement relatively large between beam body and bridge pier, protects bearing along bridge, prevent beam body along bridge to the beam that falls shake
Evil；The rigid collision occurred between block and beam body is converted into flexible impact, the local damage of collision area is greatly reduced；
Collision between adjacent beam body at expansion joint is transferred on block, the effect at protection expansion joint is reached；Increase and disperse beam body and
Position of collision between block, greatly reduces the impact force for acting on each stop block structure, reduces the local damage of stop block structure；
It is as much as possible to consume seismic energy, to reduce the damage of other bridge members such as bridge pier.
To achieve the above object, the technical solution of the utility model is that a kind of suitable bridge is to low-yield steel energy-dissipating type bridge
Beam anti-seismic stop structure, it is characterised in that：Including steel corbel, block block and steelframe；Steel corbel is fixed on bridge movable bearing support
The side of neighbouring pier coping portion, block block is welded on steel corbel；Steelframe is fixed on the bottom of the girder of bridge, block block
Between two steelframes, a certain distance is reserved between block block and steelframe.
More excellent distance between the block block and steelframe is 20mm~80mm.
The block block is added by block block steel sole plate, block block steel side plate, block block steel web, block block
Strength rib, energy-dissipating type low yield point steel plate and collision steel plate are formed by welding；Two pieces of relative block block steel plate-side plate weldings are in block
On block steel sole plate, one piece of energy-dissipating type Low Yield Point Steel is welded between two blocks of relative block block steel side plates successively from bottom to top
Plate, one piece of block block ribbed stiffener and one block of block block steel web, every piece of block block steel side plate outside and block block add
One block of collision steel plate of each welding on the mutually level horizontal level of strength rib, the most edge for colliding steel plate is circular arc.
Described steelframe is welded by steelframe ribbed stiffener, steelframe side plate, steelframe web and steelframe top board；Steelframe top board is opened
There are several bolts hole；The steelframe top board of level welds downwards two blocks of vertical and relative steelframe side plates, two blocks of steelframe side plates
Between welding steel structure ribbed stiffener and steelframe web；Steelframe ribbed stiffener is parallel with steelframe top board, and steelframe web and steelframe top board are vertical.
The yield strength of the energy-dissipating type low yield point steel plate in the block block will less than in block block except power consumption
The yield strength of other steel beyond type low yield point steel plate, in block block in addition to energy-dissipating type low yield point steel plate
The yield strength of other steel is identical with the yield strength of composition steel corbel, the steel of steelframe.
It is the Low Yield Point Steel of 160MPa or 100MPa that described energy-dissipating type low yield point steel plate uses yield point.
Method for arranging from described suitable bridge to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that
The bridge shock-proof check block structure direction across bridge is arranged in the vicinity of each bridge movable bearing support, and stop block structure arrangement is more and disperses,
The distance between block block and steelframe allow mobile ultimate range less than movable bearing support, reach the purpose of protection bearing；It is right
In the beam bridge for setting expansion joint, the distance between block block and steelframe are also less than the width at expansion joint, in earthquake, can be with
Dispersion position of collision, greatly reduces the seismic force acted in each bridge shock-proof check block structure, can be should occur stretching
Collision at contracting seam between adjacent beam body is transferred on block, prevents the damaged in collision at expansion joint.
Above-mentioned method for arranging, further, the ribbed stiffener of the ribbed stiffener, collision steel plate and steelframe of block block will align
Set.
Its principle is：In earthquake, there is relatively large displacement to beam body and bridge pier along bridge, when the displacement exceedes block block
When the distance between body and steelframe, block block and steelframe collide, thus limit along bridge to beam body and bridge pier relatively
Big displacement, restrainer is damaged.Contain 1 piece of energy-dissipating type low yield point steel plate in block block, its yield strength is kept off less than antidetonation
The yield strength of other steel, is easy in earthquake in block structure, and energy-dissipating type low yield point steel plate first occurs than other general steel plates
Moderate finite deformation, consumed energy.Seismic wave has three directions, and it is extremely complex to frequently result in bridge vibration of beam, block block and steelframe
Between collision be difficult to be aspectant uniform collision, be more the uncertain point-to-area non-uniform collision of position of collision.
Therefore, there are two blocks of collision steel plates on block block, the most edge of the collision steel plate is circular arc, can thus meet bridge and exist
It is the uncertain point-to-area non-uniform collision of position of collision under complex vibration, is conducive to stop block structure normal work.
In order to further ensure that the energy-dissipating type low yield point steel plate normal work in anti-seismic stop structure, also to prevent block
There is no serious local damage, such as steel plate flexing in other steel plates in structure.Therefore, the collision area of block block except
Beyond most edge is set for the collision steel plate of circular arc, 1 piece of ribbed stiffener of block block is also set up；Similarly, the collision of steelframe
Region is also provided with 1 piece of ribbed stiffener of steelframe.The ribbed stiffener of the ribbed stiffener, collision steel plate and steelframe of block block will align and set
Put, make position of collision at ribbed stiffener, steel plate is not susceptible to local buckling, and stop block structure is not susceptible to local damage.
The beneficial effects of the utility model are：The utility model can effectively limit between bridge beam body and bridge pier along bridge to
Relatively large displacement, prevents the beam body beam that falls from damaging, and reduces the earthquake at movable bearing support and expansion joint.Because attached in each movable bearing support
Near all to arrange described bridge shock-proof check block, the position dispersion of block, quantity is more, and such method for arranging can be effectively reduced
The seismic force on each stop block structure is acted on, reduces the damage to stop block structure in itself.In addition, putting more energy into block block
Ribbed stiffener alignment in rib, collision steel plate and steelframe is set, and makes position of collision at ribbed stiffener, is hardly damaged stop block structure.Touch
The collision that hitting steel plate most edge circular-arc-shaped design can effectively meet between block and steelframe is that position of collision is uncertain non-homogeneous touches
Hit.Under small earthquakes effect, less impact force causes that the energy-dissipating type low yield point steel plate in block block is in elastic rank
Section, the stage is similar to ordinary reinforced concrete block, belongs to rigid collision；But under violent earthquake effect, larger impact force meeting
Energy-dissipating type low yield point steel plate is set to enter the plastic stage, the collision between block block and steelframe belongs to flexible impact, not only can be with
Effectively reduce the local damage of impact zone and reduce the damage for being delivered to bridge pier bottom, may also rely on energy-dissipating type in block block
The plastic deformation of low yield point steel plate, consumes a part of seismic energy, reduces damage of the earthquake to other components of bridge.Finally,
The utility model has material price low, simple structure, easy construction, it is adaptable to old bridge and new bridge, and easy Measuring error etc. is excellent
Point.
Brief description of the drawings
Fig. 1 is applied to I-shaped steel plate composite beam bridge schematic diagram for the utility model；
Fig. 2 is the Section A-A schematic diagram of Fig. 1；
Fig. 3 is the first working state figure of the present utility model under geological process；
Fig. 4 is second working state figure of the present utility model under geological process；
Fig. 5 is steel bracket structure schematic diagram of the present utility model；
Fig. 6 is block block structure schematic diagram of the present utility model；
Fig. 7 is steel frame construction schematic diagram of the present utility model.
In figure：The girder of 1- bridges, another girder of 2- bridges, 3- expansion joints, 4- bridge piers, 5- bridge pad pinners, 6- bridges
Another bearing pad stone of beam, 7- bridge movable bearing supports, 8- bridge hold-down supports, 9- steel corbels, 10- block blocks, 11- steelframes, 12-
Steelframe bolt, 13- steel corbel bolts, 14- steel corbel base plates, 15- steel corbel webs, 16- steel corbel top boards, 17- steel corbels
Side plate, the bolt hole on 18- steel corbel side plates, 19- block block steel sole plates, 20- block block steel side plates, 21- block blocks
Steel web, the ribbed stiffener of 22- block blocks, 23- energy-dissipating type low yield point steel plates, 24- collision steel plates, the ribbed stiffener of 25- steelframes,
26- steelframe side plates, 27- steelframe webs, 28- steelframe top boards, the bolt hole on 29- steelframe top boards, 30- floorings.
Specific embodiment
As shown in Figures 1 to 7, a kind of suitable bridge of the utility model is to low-yield steel energy-dissipating type bridge shock-proof check block structure
And a specific embodiment of method for arranging, including steel corbel 9, block block 10 and steelframe 11.The present embodiment select bridge type be
I-shaped steel plate composite beam bridge, the bridge shock-proof check block structure and method for arranging are equally applicable to prestressed concrete bridge, steel
Other bridge types such as bridge.
As shown in Figures 1 to 4, the girder 1 of bridge and another girder 2 of bridge disconnect at the top of bridge pier 4, form expansion joint 3.
Suitable bridge at expansion joint 3 is to the top of bridge pier 4, there is provided bridge pad pinner 5 and another bearing pad stone 6 of bridge, bridge work
Dynamic bearing 7 is arranged on bridge pad pinner 5, and bridge hold-down support 8 is arranged on another bearing pad stone 6 of bridge.Bridge activity
The girder 1 of the supporting bridge of bearing 7, another girder 2 of the supporting bridge of bridge hold-down support 8.
Along bridge to method for arranging：It is shown as shown in Figure 1, Figure 3 and Figure 4, steel corbel 9 be arranged in the top of bridge pier 4 along bridge to side,
And be arranged near bridge movable bearing support 7, block block 10 is arranged on the top of steel corbel 9, and steelframe 11 is arranged on the girder 1 of bridge
Bottom.
Direction across bridge method for arranging：As shown in Fig. 2 in neighbouring setting steel corbel 9, the block block 10 of each movable bearing support 7
With steelframe 11.
Specifically, as shown in figure 5, web 15, steel corbel top board 16 and of the steel corbel 9 by steel corbel base plate 14, steel corbel
The side plate 17 of steel corbel is welded to form.On the side plate 17 of steel corbel, the bolt hole 18 on 8 steel corbel side plates is provided with.Such as Fig. 1 and
Shown in Fig. 2, steel corbel 9 is fixed on the side at the top of bridge pier 4 by steel corbel bolt 13, and in the vicinity of each movable bearing support 7
All there is provided steel corbel 9.Steel selected by steel corbel 9 can be Q235 steel, Q345 steel, Q390 steel or Q420 steel.
As shown in fig. 6, block block 10 is by block block steel sole plate 19, block block steel side plate 20, block block steel abdomen
Plate 21, the ribbed stiffener 22 of block block, energy-dissipating type low yield point steel plate 23, collision steel plate 24 is formed by welding.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, welded by block block steel sole plate 19 and steel corbel top board 16,
Steel corbel 9 and block block 10 connect into an entirety.The physical dimension of wherein block block steel sole plate 19 is slightly less than steel corbel
The size of top board 16, is easy to the two effectively to weld together.
As shown in Fig. 7 and Fig. 1, steelframe 11 is by the ribbed stiffener 25 of steelframe, steelframe side plate 26, steelframe web 27 and steelframe top board
28 are welded.Steelframe top board 28 is provided with the bolt hole 29 on 8 steelframe top boards, and steelframe bolt 12 is by steelframe top board 28 and bridge
The base plate of girder 1 is bolted together.Its in steelframe 11 and the block block 10 in addition to energy-dissipating type low yield point steel plate 23
His steel plate, the steel of use are generally Q235 steel, Q345 steel, Q390 steel or Q420 steel.Energy-dissipating type low yield point steel plate 23 can
It is 160MPa or the Low Yield Point Steel of 100MPa with yield point.The yield strength of energy-dissipating type low yield point steel plate 23 will be less than steel
Bracket 9, steelframe 11 and block block 10（In addition to energy-dissipating type low yield point steel plate 23）The yield strength of steel.
A certain distance is left between block block 10 and steelframe 11, preferably scope is 20mm -80mm, and should
Distance will also meet the width for being not only less than expansion joint 3, also be less than the maximum displacement that nearby movable bearing support 7 is allowed.Earthquake
In, relatively large displacement can be produced between the girder 1 and bridge pier 4 of bridge, by mutual between block block 10 and steelframe 11
Collision, limits relatively large displacement, protects movable bearing support 7 not produce larger displacement and destroy, and protection expansion joint 3 will not be because of bridge
Girder 1 and another girder 2 of bridge collide and damage, prevent the beam that falls of girder 1 of bridge from damaging（Fall Liang Zhiqiao girder 1 from
Fallen down on bridge pier 4）.Because between the bottom of girder 1 of the bridge near each movable bearing support 4 and the top-side of bridge pier 4 all
Anti-seismic stop structure is mounted with, position of collision is more and disperses, it is possible to effectively reduces and acts on each block block 10
And the impact force between steelframe 11, the local damage of block block 10 and steelframe 11 is greatly reduced, make anti-seismic stop structure normal
Work, effectively plays the effect of earthquake energy, protection movable bearing support 7 and expansion joint 3.
The yield strength of the energy-dissipating type low yield point steel plate 23 in the block block 10 is removed in being less than block block 10
The yield strength of other steel beyond energy-dissipating type low yield point steel plate 23, in block block 10 except energy-dissipating type low-yield
The yield strength of other steel beyond steel plate 23 is identical with the yield strength of composition steel corbel 9, the steel of steelframe 11.
Steelframe 11 is welded by the ribbed stiffener 25 of steelframe, steelframe side plate 26, steelframe web 27 and steelframe top board 28；Steelframe
Top board 28 is provided with the bolt hole 29 on 8 steelframe top boards.Two pieces of welding is vertical and relative downwards for the steelframe top board 28 of level
Steelframe side plate 26, welding steel structure ribbed stiffener 25 and steelframe web 27 between two blocks of steelframe side plates 26；Steelframe ribbed stiffener 25 and steelframe
Top board 28 is parallel, and steelframe web 27 and steelframe top board 28 are vertical.
The ribbed stiffener 25 of the steelframe in block block ribbed stiffener 22, collision steel plate 24 and steelframe 11 in block block 10 will
Alignment is set.
All previous earthquake disaster shows larger impact force on block, easily causes the local damage of block, so that
The limit function of extreme influence anti-seismic stop structure.The utility model is by using the ribbed stiffener 22 of block block and adding for steelframe
Strength rib 25 can avoid the local damage of whole stop block structure.Specifically as shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, block block
The ribbed stiffener 25 of ribbed stiffener 22, collision steel plate 24 and steelframe will align settings, when being easy to earthquake to occur, collision steel plate 24 and steelframe
At ribbed stiffener, block block 10 and steelframe 11 are not likely to produce local damage to 11 position of collision, make anti-seismic stop structure on ground
Shake can normal work when occurring.
When the ribbed stiffener 25 of the ribbed stiffener 22 of the block block used in the utility model and steelframe occurs local buckling
Power is greater than the yield force of energy-dissipating type low yield point steel plate 23, as shown in Figure 3 and Figure 4 energy-dissipating type Low Yield Point Steel i.e. in violent earthquake
Plate 23 can normally consume energy work by itself hysteresis loop.
Seismic wave is usually north-south, East and West direction and vertical dimensionally seismic wave, so as to cause bridge in these three directions
There is vibration, vibration characteristics is extremely complex.Based on the complex vibration that earthquake Bridge occurs, the collision of block bulk inner is difficult
It is aspectant uniform collision, is more the uncertain point-to-area non-uniform collision in position.So the utility model is in gear
Collision steel plate 24 is welded with block block 10, and the most edge of collision steel plate 24 is circular arc, the diameter of the circular arc is equal to and touches
Hit the thickness of slab of steel plate 24.It is collision under complex vibration that collision so between collision steel plate 24 and steelframe 11 can meet bridge
The uncertain non-uniform collision in position, is conducive to block block 10 to rely on self-deformation earthquake energy.
Under small earthquakes effect, as shown in Figure 3 and Figure 4, relatively large displacement is produced between the girder 1 and bridge pier 4 of bridge, kept off
Impact force between block block 10 and the dependence of steelframe 11, limits the girder 1 of bridge and the suitable bridge of bridge pier 4 to relative displacement, and protection is lived
Dynamic bearing 4 will not produce larger displacement and damage, and protection expansion joint 3 will not occur because of another girder 2 of the girder 1 of bridge and bridge
Collision and damages, prevent bridge girder 1 fall beam damage.During earthquake occurrence, the relative displacement of the girder 1 and bridge pier 4 of bridge is very big,
In suitable bridge to larger deformation is produced, energy-dissipating type low yield point steel plate 23 enters plastic stage, block block 10 to block block 10
And the collision between steelframe 11 belongs to flexible impact, the localized bumps power and reduction for not only greatly reducing impact zone are delivered to bridge pier 4
The damage of bottom, moreover it is possible to by the hysteresis loop of energy-dissipating type low yield point steel plate 23, consumes part energy, reduce bridge other
The destruction of component.
Claims (5)
1. a kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that：Including steel corbel, block
Block and steelframe；Steel corbel is fixed on the side of the pier coping portion near bridge movable bearing support, and block block is welded on steel corbel
On；Steelframe is fixed on the bottom of the girder of bridge, and block block is located between two steelframes, and one is reserved between block block and steelframe
Fixed distance.
2. suitable bridge according to claim 1 is to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that：
Described block block by block block steel sole plate, block block steel side plate, block block steel web, block block ribbed stiffener,
Energy-dissipating type low yield point steel plate and collision steel plate are formed by welding；Two pieces of relative block block steel plate-side plate weldings are in block block steel
On base plate, one piece of energy-dissipating type low yield point steel plate, one are welded between two blocks of relative block block steel side plates successively from bottom to top
Block block block ribbed stiffener and one block of block block steel web, every piece of block block steel side plate outside and block block ribbed stiffener phase
One block of collision steel plate of each welding on level horizontal level, the most edge for colliding steel plate is circular arc.
3. suitable bridge according to claim 1 is to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that：
Described steelframe is welded by steelframe ribbed stiffener, steelframe side plate, steelframe web and steelframe top board；Steelframe top board is provided with several
Bolt hole；The steelframe top board of level welds downwards two blocks of vertical and relative steelframe side plates, is welded between two blocks of steelframe side plates
Steelframe ribbed stiffener and steelframe web；Steelframe ribbed stiffener is parallel with steelframe top board, and steelframe web and steelframe top board are vertical.
4. suitable bridge according to claim 1 is to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that：
More excellent distance between described block block and steelframe is 20mm~80mm.
5. suitable bridge according to claim 2 is to low-yield steel energy-dissipating type bridge shock-proof check block structure, it is characterised in that：
The yield strength of the energy-dissipating type low yield point steel plate in the block block will less than in block block except the low surrender of energy-dissipating type
The yield strength of other steel beyond point steel plate, other steel in block block in addition to energy-dissipating type low yield point steel plate
Yield strength with constitute steel corbel, the steel of steelframe yield strength it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237788.9U CN206289523U (en) | 2016-11-18 | 2016-11-18 | A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237788.9U CN206289523U (en) | 2016-11-18 | 2016-11-18 | A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure |
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| CN206289523U true CN206289523U (en) | 2017-06-30 |
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| CN201621237788.9U Withdrawn - After Issue CN206289523U (en) | 2016-11-18 | 2016-11-18 | A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436559A (en) * | 2016-11-18 | 2017-02-22 | 南昌大学 | Transverse-direction low-yield-point energy dissipation type steel bridge anti-seismic stop block structure and arranging method |
-
2016
- 2016-11-18 CN CN201621237788.9U patent/CN206289523U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436559A (en) * | 2016-11-18 | 2017-02-22 | 南昌大学 | Transverse-direction low-yield-point energy dissipation type steel bridge anti-seismic stop block structure and arranging method |
| CN106436559B (en) * | 2016-11-18 | 2019-02-01 | 南昌大学 | A kind of suitable bridge is to low-yield steel energy-dissipating type bridge shock-proof check block structure and method for arranging |
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