CN109667244A - A kind of multi-buffer energy-dissipating type bridge anti-collision device - Google Patents
A kind of multi-buffer energy-dissipating type bridge anti-collision device Download PDFInfo
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- CN109667244A CN109667244A CN201910094049.0A CN201910094049A CN109667244A CN 109667244 A CN109667244 A CN 109667244A CN 201910094049 A CN201910094049 A CN 201910094049A CN 109667244 A CN109667244 A CN 109667244A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of multi-buffer energy-dissipating type bridge anti-collision devices, it is characterized in that the bridge anti-collision device includes around several anticollision segments that bridge pier or cushion cap are arranged, disconnected each anticollision section includes corrosion-resisting steel tank module, including interior steel case, outer steel case, corrosion-resisting steel tank module, which is from bottom to top divided into, hits rear defence sinker module and anticollision submodule, hit the interior steel case of rear defence sinker module, light filling high molecular material between outer steel case, filled rubber class material between the interior steel case and outer steel case of anticollision submodule, the nearly bridge structure side of corrosion-resisting steel tank module, which is provided with the first order and buffer-can be retracted, is in rolling contact module and second level energy-absorbing-sliding contact module.Compared with prior art, the present invention can be realized the multistage anti-floating material of bridge structure, ship collision.Under different impact strengths, under the premise of effective protection bridge structure, the multistage reparation of device itself may be implemented.The splendid corrosion resisting property of clad steel plate solves the problems, such as anti-corrosion maintenance of the anticollision device, collision-prevention device in rivers,lakes and seas, and engineering value and economic benefit are prominent.
Description
Technical field
The present invention relates to a kind of anti-floating materials of bridge structure, ship collision surface unit, more particularly, to a kind of multistage slow
Rush energy-dissipating type bridge anti-collision device.
Background technique
Risk is hit for reduction bridge ship and takes engineering measure.When ship impact force is close or much larger than bridge pier carrying
When ability, the anticollision protection system that setting is attached to bridge pier can protect bridge pier from impact damage and avoid thus caused bridge
Beam superstructure is collapsed.And for the requirement for meeting bridge durability, even if when ship impact force is less than bridge pier bearing capacity,
Also the anti-ship that corresponding scale can be set hits facility to prevent from being hit such as bridge pier concrete by ship and fall and influence bridge pier durability
It destroys.
Surface unit compared with stationary installation, it is obvious, tidal range is big to SEA LEVEL VARIATION situations such as adaptive faculty it is stronger, while work
Journey cost is relatively low.Steel mechanics performance is stablized, and related-art process is the most mature, therefore steel class surface unit obtains in recent years
To relatively broad application, but also expose some problems:
It is during normal service first, surface unit is constantly in contact and rubs with Concrete Bridge Structures surface, causes
There are the diseases such as Surface layer's concrete peels off, reinforcing bar exposes in structure.
Aspect is repaired after hitting.After device is collided by varying strength, carry out the tedious time-consuming of maintenance work.Especially for
Small intensity hits lower generation local damage, causes device dense water to fail, after will removing it from anticollision device, collision-prevention device, in factory
Carry out large repairs (or remanufacture new monomer), confirms through watertight test, and after reaching anticorrosion of steel structure design requirement, then carries out
Installation is fixed.After device is collided by the high intensity of large ship, cause the large area of device impaired, water body pours into cabinet,
If leading to device submerged with bridge structure without effectively connecting, loss is serious.
Anti-corrosion maintenance aspect.As steel class anti-collision structure, due to spitkit collision or the collision of relatively large marine low speed or
Because of other accidentalia, local little damage is caused, moist external environment induces the breakage big face of anti-corrosion coat of paint nearby in addition
Accumulate obscission frequent occurrence, therefore device anti-corrosion in design service life maintains the problem of becoming another urgent need to resolve.
Chinese patent CN102535329A discloses a kind of cylindrical composite bridge anticollision device, by straight tube shape and curved cylinder
Shape anti-collision unit assembly.Anti-collision unit is made of cylinder and the intracorporal packing material body of cylinder, and nearly bridge structure side is equipped with movement
Device.The patent structure is simple, when in face of uncertain impact load, there are crashworthiness defence line is single, grading performance is indefinite etc.
Problem.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of multi-buffers to consume energy
Type bridge anti-collision device can be realized the multistage anti-floating material of bridge structure, ship collision.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of multi-buffer energy-dissipating type bridge anti-collision device, it is characterised in that the bridge anti-collision device includes around bridge pier or holding
Several anticollision segments of platform setting, each anticollision section is disconnected to include
Corrosion-resisting steel tank module, including interior steel case, outer steel case, corrosion-resisting steel tank module, which is from bottom to top divided into, to be hit rear defence sinker module and prevents
Submodule is hit, light filling high molecular material between the interior steel case of rear defence sinker module, outer steel case, the interior steel of anticollision submodule are hit
Filled rubber class material between case and outer steel case;
The nearly bridge structure side of corrosion-resisting steel tank module, which is provided with the first order and buffer-can be retracted, to be in rolling contact module and the second level and inhales
Energy-sliding contact module, it includes the folding abdomen being successively superposed along crash direction that the first order, which buffer-can be retracted and be in rolling contact module,
The rolling assembly of rolling friction can occur with bridge structure for formula energy-absorbing pedestal;Second level energy-absorbing-sliding contact module includes successively
The slide assemblies of sliding contact can occur with bridge structure for the rubber fender being superposed along crash direction;
The first order buffer-can be retracted the rolling assembly ratio for being in rolling contact in module and rolling friction can occurring with bridge structure
The slide assemblies that can be in contact with bridge structure in second level energy-absorbing-sliding contact module are along crash direction one spacing of extension
From that is, the distance between rolling assembly and bridge structure are less than the distance between slide assemblies and bridge structure.
Further, interior steel case end is equipped with ring flange, passes through ring flange between the interior steel case of the adjacent anticollision segment
It connects, then passes through connection attachment strap connection between the outer steel case of the adjacent anticollision segment.
Further, for rectangular bridge pier or cushion cap, several described anticollision segments are by least four section linear types
Anticollision segment and four pitch circle angle-style anticollision segments composition.
Further, according to another embodiment of the invention, it includes linear type anticollision section that several described anticollision sections are disconnected
Disconnected, flexure type anticollision section breaks and for connecting the corner transiens anticollision section that linear type anticollision section is disconnected and flexure type anticollision section is disconnected
Section, wherein the corrosion-resisting steel tank module thickness at corner transiens anticollision segment both ends is not identical.
Further, the first order buffer-can be retracted the rolling assembly being in rolling contact in module than second level energy-absorbing-
Slide assemblies in sliding contact module along crash direction extension certain distance, this depending on view apparatus overall deformation ability,
Generally it is advisable with 2 ~ 10cm.
Preferably, the first order, which buffer-can be retracted, is in rolling contact module and second level energy-absorbing-sliding contact module passes through
High-strength bolt is connect with third level energy consumption-corrosion-resisting steel tank module.
Still more preferably, the first order, which buffer-can be retracted, is in rolling contact module, second level energy-absorbing-sliding contact module
It is connect by backing plate with third level energy consumption-corrosion-resisting steel tank module, specifically, the folding abdomen formula energy-absorbing tube chamber welds with base has backing plate, institute
It states backing plate and outer steel case is equipped with the bolt hole matched, rubber fender also is provided with the bolt hole matched with backing plate, the backing plate
It is connect by high-strength bolt with outer steel case, the rubber fender is connect by high-strength bolt with backing plate and outer steel case.
It is furthermore preferred that the folding abdomen formula energy-absorbing pedestal yield force and deformability can design according to demand.
Still more preferably, the first order, which buffer-can be retracted, is in rolling contact module and second level energy-absorbing-sliding contact module
Overall stiffness be lower than third level energy consumption-corrosion-resisting steel tank module.
It is furthermore preferred that corrosion-resisting steel tank module is from bottom to top divided near water level line hits rear defence sinker module and anticollision submodule
Block.
Still more preferably, the interior steel case in the energy consumption-corrosion-resisting steel tank module and outer steel case select composition metal steel
Plate manufacture, clad steel plate can be titanium-steel rolling composite plate or titanium-steel explosive clad plate or explosion-rolling composite plate.
It is furthermore preferred that described hits in rear defence sinker module, inside outer steel case and/or interior steel case interior welds have longitudinal add
Strength rib.
It is further preferred that described hits in rear defence sinker module, lightweight high score is filled between interior steel case and outer steel case
Sub- material, light-weight high-polymer material can be molded polystyrene foams plastics (EPS) or rigid polyurethane foam
(PUR) or polyethylene foams (PE) or other light-weight high-polymer materials.
It is further preferred that being filled with rubber type of material, rubber between interior steel case and outer steel case in the anticollision submodule
Glue class material can be the rubber type of material that rubber ring, rubber granule, rubber tyre or other buffering energy-absorbings work well.
It is furthermore preferred that the folding abdomen formula energy-absorbing pedestal is the ripple cylinder of circular cross-section or the wave of square-section
Line cylinder or the ripple cylinder in arbitrary polygon section, the preferred mild steel of material or deformability steel outstanding.
It is furthermore preferred that the rubber fender can be cylinder type (CY) or semi-circular (D), it is also either super
Arch form (SA) is also possible to the rubber structure that super drum type (SC) or other buffering energy-absorbings work well.
It is furthermore preferred that the first order buffer-can be retracted the rolling for being in rolling contact in module and rolling friction can occurring with bridge structure
Dynamic component, can be Metal Contact Rollers or nylon roller;
It is sliding that the slide assemblies that can be in contact with bridge structure in second level energy-absorbing-sliding contact module can be polytetrafluoroethylene (PTFE)
Plate or other coefficient of frictions are small, the good plate of wearability.
It is furthermore preferred that being equipped with lateral stiffening plate between interior steel case and outer steel case in the energy consumption-corrosion-resisting steel tank module.
It is furthermore preferred that the multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank is made of several anticollision segments, it is adjacent anti-
It hits and is connected between the interior steel case of segment by ring flange, pass through connection attachment strap connection between outer steel case.
Third level energy consumption body is steel buoyancy tank in the present invention, is also possible to steel floating drum etc..
Under the conditions of bridge structure normal operation, floating anticollision device, collision-prevention device can adapt to the big situation of tidal range very well, device with
SEA LEVEL VARIATION is constantly lifted and falls.Especially in marine environment, device rising and falling in design reference period is added up with ten thousand times how
Guarantee that device is well contacted with bridge structure, not causing damage to body structure surface is that floating anticollision device, collision-prevention device must in non-impact operating condition
The major issue that must be considered.By the reasonable layout of strength and stiffness between each module of device, so that device is by small boat
Oceangoing ship collision or relatively large marine low speed collide or because other accidentalia, specified module are damaged, are not influencing device and continuing just
Often work when reparation, need to only carry out module maintenance or the replacement of component level.When high intensity collision of the device by large ship
Afterwards, each anticollision module is successively destroyed, and when reparation, completes the maintenance or replacement of anticollision segment level.In addition, anti-as steel class
The anti-corrosion maintenance problem for hitting structure is particularly significant, and how realization device is during normal service or after slight shock, scraping collision
Non-maintaining problem values must be furtherd investigate.
Compared with prior art, the invention has the following advantages that
One, multistage crashworthiness is set up defences, and it is clear that module divides, and the performance indicator and performance rate for being easy to establish anticollision device, collision-prevention device divide.Packet
Include: the first order, which buffer-can be retracted, is in rolling contact module, second level energy-absorbing-sliding contact module, third level energy consumption-corrosion-resisting steel case
Module.
Two, replaceable, easy to maintenance, engineering value and economic benefit are prominent.Small to hit light maintenance: maintenance or the replacement first order are slow
It rush-can be retracted and be in rolling contact module, second level energy-absorbing-sliding contact module.Overhaul is hit greatly: maintenance or replacement third level energy consumption-
Corrosion-resisting steel tank module.
Three, self-buoyancy still has self-buoyancy by force, after serious damage.Different subfunction areas are arranged in incorporation engineering experience
Domain module.Existing hull structural design and typical ship collision accident case show that above water anticollision device, collision-prevention device is main stress area,
Underwater portion takes second place.Apparatus of the present invention, which are from bottom to top divided into, hits rear defence sinker module, anticollision submodule.Hit rear defence sinker module
Guarantee that device breakage enters water body and do not sink, inside set longitudinal stiffener item and light-weight high-polymer material, is guaranteeing whole dress
It sets while have very strong self-buoyancy, has good buffering energy-consumption ability.Anticollision submodule is mainly to be hit region, built-in
Rubber type of material, deformability is strong, and buffering effect is significant.
Four, buffering effect is obvious, and energy dissipation capacity is prominent.It is strong to roll over abdomen formula energy-absorbing pedestal deformability, under low-intensity is hit, folding
Abdomen formula energy-absorbing pedestal deforms first, has certain buffering effect of energy dissipation, other modules do not deform or deform unobvious.
Under moderate strength is hit, folding abdomen formula energy-absorbing pedestal deformation is obvious, is more than after the specified distance that extends, collaboration rubber fender generates good
Buffering effect, slight deformation does not occur or occurs for main body steel case at this time.Under high intensity is hit, the first order, second level crashworthiness are anti-
After line successively works, further, main body steel case deforms, the double-deck steel construction cooperation built-in rubber class material or macromolecule material
Material, so that apparatus main body energy dissipation capacity is prominent.
Five, corrosion resistance is extremely strong, and clad steel plate makes during device normal service or slight hit, is non-maintaining after scraping collision.
It solves spitkit collision or the collision of relatively large marine low speed or because of other accidentalia, local little damage is caused to induce
The problem of neighbouring anti-corrosion coat of paint large area falls off.
Detailed description of the invention
Fig. 1 is a kind of multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank typical section figure of the embodiment of the present invention one;
Fig. 2 is linear type anticollision segment elevation;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 buffer-can be retracted for the first order and be in rolling contact module and second level energy-absorbing-sliding contact module elevation;
Fig. 5 is the plan view of Fig. 4;
Fig. 6 is folding abdomen formula energy-absorbing pedestal (cylindrical shape) structural schematic diagram;
Fig. 7 is the force-displacement curve for rolling over abdomen formula energy-absorbing pedestal (cylindrical shape);
Fig. 8 is rubber fender structure (SA type) cross section;
Fig. 9 is rubber fender structure (SA type) elevation;
Figure 10 is interior steel case flange configuration connection figure;
Figure 11 is the I-I cross-sectional view of Figure 10;
Figure 12 is the plan view of Figure 10;
Figure 13 is the portion a drawing;
Figure 14 is that outer steel case connects attachment strap structural map;
Figure 15 is the portion the b drawing of Figure 14;
Figure 16 is Fig. 2 end plates structural map;
Figure 17 is the side view of Figure 16;
Figure 18 is lateral stiffening plate structure figure;
Figure 19 is the side view of Figure 18;
Figure 20 is flexure type anticollision segment floor map;
Figure 21 is corner transiens anticollision segment floor map;
Figure 22 is anti-collision structure overall schematic;
Figure 23 is a kind of multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank typical section figure of the embodiment of the present invention two;
Figure 24 buffer-can be retracted for the first order of embodiment two and be in rolling contact module and second level energy-absorbing-sliding contact module
Elevation;
Figure 25 is the plan view of Figure 24;
Figure 26 is folding abdomen formula energy-absorbing pedestal (square tube shape) structural schematic diagram;
Figure 27 is anti-collision structure overall schematic;
Shown in figure label:
The outer steel case of 1-, steel case in 2-, 3- longitudinal stiffener item, 4- light-weight high-polymer material (polyurethane foam), 5- rubber material
Expect (rubber tyre), 6- cylindrical shape folding abdomen formula energy-absorbing pedestal, 7- rolling assembly, 8- backing plate, 9- SA type rubber fender, 10- is high-strength
Bolt, 11- slide assemblies (polyfluortetraethylene plate), 12- cushion cap/bridge pier, 13- lateral stiffening plate, 14- end plate, 15- ring flange,
16- ring flange ribbed stiffener, 17- connection attachment strap, 18- rib mouth, 19- bolt hole, 20- end plate siding, 21-D type rubber fender, 22-
Square tube shape rolls over abdomen formula energy-absorbing pedestal, and the A- first order buffer-can be retracted and be in rolling contact module, the second level B- energy-absorbing-sliding contact mould
Block, C- third level energy consumption-corrosion-resisting steel buoyancy tank.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
A kind of multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank, structure is referring to shown in Fig. 1 to Figure 22, including around bridge pier or holds
Several anticollision segments of platform setting, each anticollision section is disconnected to include:
The first order buffer-can be retracted and be in rolling contact modules A: backing plate 8, cylinder-shaped folding including being sequentially overlapped setting along crash direction
Abdomen formula energy-absorbing pedestal 6, rolling assembly (Metal Contact Rollers) 7, wherein cylindrical shape folding abdomen formula energy-absorbing pedestal 6 and backing plate 8 by weld into
Row connection, backing plate 8 and outer steel case 1 are equipped with bolt hole 19, and backing plate 8 is attached by high-strength bolt 10 with outer steel case 1.
Second level energy-absorbing-sliding contact module B: the SA type rubber fender 9, SA including being sequentially overlapped setting along crash direction
9 top surface of type rubber fender is provided with slide assemblies (polyfluortetraethylene plate) 11, SA type rubber fender 9 and is provided with backing plate 8 relatively
The bolt hole 19 answered is attached by high-strength bolt 10 and outer steel case 1.
Third level energy consumption-corrosion-resisting steel buoyancy tank C: including interior steel case, outer steel case, steel buoyancy tank is from bottom to top in water level line punishment
Rear defence sinker module and anticollision submodule are hit, light filling macromolecule between the interior steel case 2 of rear defence sinker module, outer steel case 1 is hit
Material (polyurethane foam) 4, filled rubber class material (rubber tyre) 5 between the interior steel case 2 and outer steel case 1 of anticollision submodule.
The first order, which buffer-can be retracted, in the present embodiment is in rolling contact module than second level energy-absorbing-sliding contact module along hitting
Direction extension 2cm is hit, so that cushion cap/bridge pier buffer-can be retracted with the first order be in rolling contact module first when being hit
Contact buffer-can be retracted in the first order and be in rolling contact module progress first order buffering.
As shown in Figure 1, water level line is hereinafter, be arranged longitudinal stiffener item 3 along distance to a declared goal inside outer steel case 1 in example.
As shown in Fig. 2 ~ Fig. 3, in example in linear type anticollision segment, rubber type of material (rubber tyre) 5 passes through outer steel case
The longitudinal stiffener item 3 of the welding of topmost on 1 is axially put into outer steel case 1 along device vertically and interior 2 two sides of steel case is left a blank in advance
Between, outer steel case 1 and interior 2 headspace of steel case are put into along device axial direction level.
As shown in Fig. 2 ~ Fig. 3, in example in linear type anticollision segment, outer steel case 1 and 2 two sides reserved space of interior steel case and
Bottom space light filling high molecular material (polyurethane foam) 4.
Outer steel case 1 and interior steel case 2 are welded with lateral stiffening plate 13 along distance to a declared goal.
As shown in fig. 6, the radius of cylinder-shaped folding abdomen formula energy-absorbing pedestal is 10cm in example, wall thickness 2cm is highly
20cm。
As shown in fig. 7, can produce 2100kN level when 20mm deformation occurs for cylinder-shaped folding abdomen formula energy-absorbing pedestal in example
Power.As shown in Fig. 2, in axial direction, the cylinder-shaped folding abdomen formula energy-absorbing bottom of arranged side by side two is arranged in linear type anticollision segment in example
Seat, they are the parallel relationships on mechanics, it is possible to provide 4200kN(2100kN × 2) horizontal force.
As shown in Figure 10, interior 2 end of steel case is equipped with ring flange 15, and ring flange 15 is provided with bolt hole 19 along surrounding in example
With ring flange ribbed stiffener 16.
Ring flange 15 and high-strength bolt 10 are attached between steel case 2 in segment.
As shown in figure 14, connection attachment strap 17 is equipped with bolt hole, corresponding with end plate 14 and outer 1 prepared screw-bolt hole of steel case, on
Three is stated to be attached by high-strength bolt 10.
As shown in figure 16, example end plates 14 are provided with rib mouth 18 corresponding with longitudinal stiffener item 3 on outer steel case 1.
End plate siding 20 is equipped with bolt hole 19, bolt hole 19 that end plate 14 is arranged by high-strength bolt 10 and outer 1 end of steel case and outer
Steel case 1 is attached.
As shown in figure 18, lateral stiffening plate 13 is provided with rib corresponding with longitudinal stiffener item 3 on outer steel case 1 in example
Mouth 18.
As shown in figure 20, steel case 1 and interior steel case 2 can be bent specified angle outside the segment of flexure type anticollision described in example
Degree adapts to bridge structure geometrical variations.
As shown in figure 21, steel case 1 and interior steel case 2 can be carried out along specified angle outside the segment of corner transition described in example
Connection adapts to anti-collision structure change width demand.
As shown in figure 22, the anti-collision steel case in example can adapt to bridge structure geometric dimension very well, mention in different directions
For different segment width, meets difference and set up defences requirement.
Embodiment two
A kind of multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank, structure is referring to fig. 2 shown in 3, what is different from the first embodiment is that rubber
For glue class material (rubber tyre) 5 by the longitudinal stiffener item 3 of the welding of topmost on outer steel case 1, vertical means are axially vertical
It is put into 2 two sides reserved space of outer steel case 1 and interior steel case, is respectively provided with longitudinal stiffener item 3 on outer steel case 1 and interior steel case 2.
What is different from the first embodiment is that the first order, which buffer-can be retracted to be in rolling contact in module, rolls over abdomen formula energy-absorbing for square tube shape
Pedestal 22, structural schematic diagram are shown in Figure 24.D type rubber fender 21 is set in second level energy-absorbing-sliding contact module.
As shown in figure 27, the anti-collision steel case in example can adapt to bridge structure geometric dimension very well.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (9)
1. a kind of multi-buffer energy-dissipating type bridge anti-collision device, it is characterised in that the bridge anti-collision device include around bridge pier or
Several anticollision segments of cushion cap setting, each anticollision section is disconnected to include
Corrosion-resisting steel tank module, including interior steel case, outer steel case, corrosion-resisting steel tank module, which is from bottom to top divided into, to be hit rear defence sinker module and prevents
Submodule is hit, light filling high molecular material between the interior steel case of rear defence sinker module, outer steel case, the interior steel of anticollision submodule are hit
Filled rubber class material between case and outer steel case;
The nearly bridge structure side of corrosion-resisting steel tank module, which is provided with the first order and buffer-can be retracted, to be in rolling contact module and the second level and inhales
Energy-sliding contact module, it includes the folding abdomen being successively superposed along crash direction that the first order, which buffer-can be retracted and be in rolling contact module,
The rolling assembly of rolling friction can occur with bridge structure for formula energy-absorbing pedestal;Second level energy-absorbing-sliding contact module includes successively
The slide assemblies of sliding contact can occur with bridge structure for the rubber fender being superposed along crash direction;
The first order buffer-can be retracted the rolling assembly ratio for being in rolling contact in module and rolling friction can occurring with bridge structure
The slide assemblies that can be in contact with bridge structure in second level energy-absorbing-sliding contact module are along crash direction one spacing of extension
From that is, the distance between rolling assembly and bridge structure are less than the distance between slide assemblies and bridge structure.
2. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: interior steel case end
Equipped with ring flange, connected between the interior steel case of the adjacent anticollision segment by ring flange, the outer steel of the adjacent anticollision segment
Then pass through connection attachment strap connection between case.
3. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: the folding abdomen formula
Energy-absorbing tube chamber welds with base has backing plate, and the backing plate and outer steel case are equipped with the bolt hole matched, and rubber fender also is provided with and backing plate phase
The bolt hole of cooperation, the backing plate are connect by high-strength bolt with outer steel case, and the rubber fender passes through high-strength bolt and pad
Plate and the connection of outer steel case.
4. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: it is described hit after
Inside the outer steel case of anti-settling submodule and/or interior steel case interior welds have longitudinal stiffener item.
5. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: described is compound
The interior steel case and outer steel case of steel plate manufacture, clad steel plate is that titanium-steel rolling composite plate or titanium-steel explosive clad plate or explosion-are rolled
Composite plate processed.
6. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: the folding abdomen
Formula energy-absorbing pedestal is ripple cylinder or the arbitrary polygon section of the ripple cylinder square-section of circular cross-section
Ripple cylinder.
7. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: described first
Grade buffer-can be retracted be in rolling contact module and second level energy-absorbing-sliding contact module overall stiffness consume energy lower than the third level-it is resistance to
Lose steel tank module.
8. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: it is described several
Anticollision segment is made of at least four section linear type anticollision segments and four pitch circle angle-style anticollision segments.
9. a kind of multi-buffer energy-dissipating type bridge anti-collision device according to claim 1, it is characterised in that: it is described several
Disconnected anticollision section includes that linear type anticollision section is disconnected, flexure type anticollision section is disconnected and linear type anticollision section is disconnected and flexure type is anti-for connecting
Hit the disconnected corner transiens anticollision segment of section.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112609718A (en) * | 2020-12-18 | 2021-04-06 | 中铁大桥局武汉桥梁特种技术有限公司 | Steel jacket box anti-collision system and construction method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112609718A (en) * | 2020-12-18 | 2021-04-06 | 中铁大桥局武汉桥梁特种技术有限公司 | Steel jacket box anti-collision system and construction method thereof |
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