CN206828950U - A kind of bridge pier protection guard - Google Patents
A kind of bridge pier protection guard Download PDFInfo
- Publication number
- CN206828950U CN206828950U CN201720499597.8U CN201720499597U CN206828950U CN 206828950 U CN206828950 U CN 206828950U CN 201720499597 U CN201720499597 U CN 201720499597U CN 206828950 U CN206828950 U CN 206828950U
- Authority
- CN
- China
- Prior art keywords
- bridge pier
- cell block
- pipe
- protection guard
- protective unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 9
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000001012 protector Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000009527 percussion Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000000418 atomic force spectrum Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of bridge pier protection guard, including bridge pier outer surface is arranged on, and the multiple protective unit blocks being connected with each other；Protective unit block includes the cell block shell of barreled structure and is arranged on the pipe of the array distribution of cell block enclosure；The pipe is connected by the scattered power frame of distribution；Cushion is filled between cell block enclosure pipe；The utility model can realize stepped energy dissipation process when in face of the shock of different-energy grade, can adapt to different protection energy grade demands；Longer impact displacement can be provided, extend collision time；Cell block forms, and holistic cost is low, is easily installed and safeguards.
Description
Technical field
It the utility model is related to Structural Engineering protection field, and in particular to a kind of bridge pier protection guard.
Background technology
With the development of market economy, traffic has spread all over the country each place, due to various each in mountain area, valley
The geological disaster of sample；Never it is taken seriously in these regional Bridge Pier protection, so that bridge resists bad disaster
Ability is much insufficient, and acid test is brought to the safety of bridge；In cross a river bridge, because human factor, market are adjoint
Various ship collision accidents, so as to cause bridge pier by various different degrees of infringements, or even severing bridge pier makes bridge collapse；Built in city
If municipal road network during is increasingly intensive, and various municipal elevated overpass beams are intricate, and with the significantly increasing of the volume of traffic
Long, the risk of Vehicular impact bridge pier greatly increases；In serious bridge pier shock accident, except casualties and huge direct
Outside economic loss, direct economic loss and social influence are even more difficult to the appraisal caused by traffic lines are blocked.
At present, special protection Design is carried out in the presence of the bridge pier positions for hitting risk are mostly no for various, only had individual
Other bridge pier has been arranged as required to simple safeguard procedures；Although these easy measures can slow down shock to a certain extent
The shock infringement of thing and bridge pier, but shortcomings and deficiency still be present；For example with safeguard structure form it is simple, destroy
Power consumption form is single, and high-energy impact thing can not be protected effectively；Related Bridge Pier is mainly taken some simply to protect and arranged
Apply, such as：Steel pile casting, concrete strengthening bridge pier and general relatively simple flexible protective body etc.；It is existing when bridge pier is hit
Flexible pier protective device structure simple coarse, power consumption form it is single, during in face of the shock of high-energy, most of energy still by
Bridge pier is born, and bridge pier nevertheless suffers from larger impact, and the protection of the type can not effectively reduce the impact that bridge pier is subject to, so as to
Due protection can not be played to bridge pier；Also there is the single fixation of structure in existing protector, can not be according to different preventing nurse
Condition adjusts stiffness by itself to adapt to different protection energy requirements；And claim that cost, installation maintenance cost are high.
Utility model content
The utility model provides a kind of good Bridge Pier of different protection energy grade demands, protection effect that is suitable for and filled
Put.
The technical solution adopted in the utility model is：A kind of bridge pier protection guard, including bridge pier outer surface is arranged on, and phase
The multiple protective unit blocks to connect；Protective unit block includes the cell block shell of barreled structure and is arranged in cell block shell
The pipe of the array distribution in portion；The pipe is connected by the scattered power frame of distribution；Filled between cell block enclosure pipe
There is cushion.
Further, the distributed scattered power frame is that the polygonized structure being engaged in pipe diameter connects to be formed.
Further, it is provided with multilayer on the distributed scattered power frame pipe length direction.
Further, the lateral edges of cell block shell one extend to form otic placode laterally, between protective unit block
Connection.
Further, the cell block shell is resin base fiber reinforced composite material.
Further, the cushion is closed pore Multi cell structure material.
Further, the protective unit block is arranged on bridge pier outer surface by anchor ear and bolt.
The beneficial effects of the utility model are：
（1）The utility model can realize stepped energy dissipation process when in face of the shock of different-energy grade,
It can adapt to different protection energy grade demands；
（2）The utility model can provide longer impact displacement, extend collision time；
（3）The utility model is made up of cell block, and holistic cost is low, is easily installed and safeguards.
Brief description of the drawings
Fig. 1 is the utility model inner section structural map.
Fig. 2 is the utility model energy-dissipation structure structural map.
Fig. 3 is rigid shock counter-force time-history curves in the case of unshielded device.
In the case of Fig. 4 is has protector, rigid shock counter-force time-history curves.
In figure：1- cell block shells, the distributed scattered power framves of 2-, 3- pipes, 4- cushions, 5- otic placodes.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1-2, a kind of bridge pier protection guard, including bridge pier outer surface is arranged on, and be connected with each other multiple anti-
Protect cell block；The array point that protective unit block includes the cell block shell 1 of barreled structure and is arranged on inside cell block shell 1
The pipe 3 of cloth；The pipe 3 is connected by the scattered power frame 2 of distribution；Cushion is filled between the inside pipe 3 of cell block shell 1
4。
Further, 2 polygonized structure to be engaged in the diameter of pipe 3 of the distributed scattered power frame connects to be formed；This
Kind structure can make power consumption pipe 3 form an entirety, and be fixed by the scattered power frame 2 of distribution.
Further, it is provided with multilayer on the length direction of 2 pipe of the distributed scattered power frame 3；This structure is more stable.
Further, the lateral edges of cell block shell 1 one extend to form otic placode 5 laterally, for protective unit block it
Between connection.
Further, the cell block shell 1 is resin base fiber reinforced composite material, using this kind of material is wear resistant performance
Good, toughness is high.
Further, the cushion 4 is closed pore Multi cell structure material, can select PMI foamed plastics or foamed aluminium.
Further, the protective unit block is arranged on bridge pier outer surface by anchor ear and bolt.
In use, the pipe 3 that distributed scattered power frame 2 connects array forms energy-dissipation structure, it is arranged in cell block shell 1
Portion forms protective unit block；It is connected with each other between protective unit block, is arranged on bridge pier outer surface；When protector is hit by ship
When hitting, active force first passes through the distribution that cell block shell 1 is passed to inside cell block and dissipates power frame 2, and the scattered power frame 2 of distribution again will
The dispersed pipe 3 to inside cell block of impact；Pipe 3 and distributed scattered power frame 2 are squeezed by the plastic deformation of itself
Cushion 4 between pressure structure；Above-mentioned each stage is along with different degrees of power consumption process, and energy consumption is with shock
The development of process and stepped increase is constantly presented, realize with high-efficiency stepped formula energy consumption effect.
Part impact energy can be converted into non-ballistic by the structure in the utility model by plastic deformation or other forms
Performance, rather than save as elastic energy；For the rammer of different-energy grade, required protective capacities simultaneously differs；If
Rammer energy is larger and the energy dissipation capability of protector is substantially insufficient, will result directly in the bridge pier acting protected, from
And produce larger impact；If by the very big of the energy dissipation capability raising of protector, the waste of material can be caused
It is and not economical enough；The utility model device can adapt to different protection energy grade demands, while its own faces different energy
Stepped energy consumption effect can be realized during the shock for measuring grade；The present apparatus can not only be absorbed enough by itself plastic deformation
Energy, and the counter-force peak holding for passing in collision bridge pier is less than and causes the threshold value of structural damage, and reaction
Power almost remains constant, avoids too high rate of deceleration；Occur because power work done is multiplied by along line of force equal to its size
Displacement, such as pass to the reaction force of bridge pier in collision and almost remain constant, to make protector absorb larger impact
Energy, then require that it impacts displacement long enough；In addition, according to theorem of impulse, for certain impact momentum, the attack time gets over
Long, then impulsive force is with regard to smaller；The device enables to working time of collision to extend, then Percussion counter-force will accordingly reduce, bridge pier
With regard to smaller, the present apparatus can provide longer impact displacement for the damage being subjected to, and extend the time of effect of impact；Device is overall
It is made up of cell block, when Individual cells block destroys in protector, only need to changes the cell block damaged, without entirety more
Change；For the Bridge Pier in river valley and interior river valley, because it bears washing away for current and silt for a long time, surfacing should
With enough resistance to abrasion, present apparatus cell block shell is prepared using high-abrasive material；And the device quality is relatively light, just
In transport and installation, there is high specific energy absorption, energy efficiency height；When in use, first by pipe 3 and distributed scattered power frame
2 assemblings form energy-dissipation structure, and then energy-dissipation structure is placed in cell block shell 1, finally inject the material of cushion 4 in space
Formed；The present apparatus has higher energy consumption effect, possesses the big Percussion counter-force curve reduction of undulating value is small and permanent to stir value
Fixed ability, cell block shell 1 have wear-resisting, resistance to erosion ability using high-abrasive material；So it can operate with river course, ditch cereal
The protection of the positions such as the protection against erosion of bridge pier.
Fig. 3 is the big logotype of Percussion counter-force under checking rigid impact, and test method is：Rushed using 340kg concrete
Counterweight is hit, is suspended in midair by lifting machine at the 2.16m of ground, then by automatic decoupling device, impact counterweight is done freely falling body fortune
It is dynamic to pound to impact platform；From figure 3, it can be seen that it is 0.004s that platform impacts elapsed-time standards when receiving impact, impulsive force is
1600KN, the fluctuation of counter-force curve are violent.
Fig. 4 is to have the big logotype of Percussion counter-force hit in the case of protection；Test method is：Using 340kg concrete
Counterweight is impacted, is suspended in midair by lifting machine at the 2.16m of ground, then by automatic decoupling device, impact counterweight is done freely falling body
Motion is pounded to the protector on impact platform；Figure 4, it is seen that passed through than unprotected situation lower platform by impact
The time length gone through, impulsive force are smaller；Impact elapsed-time standards is 0.049s, impulsive force 113KN；The relatively unshielded feelings of Percussion counter-force
Under condition, appearance significantly reduces, and Percussion counter-force curve is steady.
The utility model is suitable for different protection energy grade demands, realizes staged energy dissipation process, protects bridge
The counter-force peak value that pier is born is limited, and keeps as far as possible constant；Longer impact displacement can be provided, extend effect of impact when
Between, protector light weight, specific energy absorption rate height；Holistic cost is low, is suitable for installation, easy to maintenance；Suitable for mountain area cheuch
Bridge pier protection against erosion, abrasion；Road pier anti-collision, interior river valley bridge pier anti-ship such as hits at the neighborhood, applied widely.
Claims (7)
- A kind of 1. bridge pier protection guard, it is characterised in that：Including being arranged on bridge pier outer surface, and the multiple protection lists being connected with each other First block；Protective unit block includes the cell block shell (1) of barreled structure and is arranged on cell block shell (1) internal array point The pipe (3) of cloth；The pipe (3) is connected by the scattered power frame (2) of distribution；Filled out between the internal pipe (3) of cell block shell (1) Filled with cushion (4).
- A kind of 2. bridge pier protection guard according to claim 1, it is characterised in that：The distributed scattered power frame (2) be in The polygonized structure that pipe (3) diameter is engaged connects to be formed.
- A kind of 3. bridge pier protection guard according to claim 1, it is characterised in that：Described distributed scattered power frame (2) pipe (3) multilayer is provided with length direction.
- A kind of 4. bridge pier protection guard according to claim 1, it is characterised in that：The side of cell block shell (1) one Edge extends to form otic placode (5) laterally, for the connection between protective unit block.
- A kind of 5. bridge pier protection guard according to claim 1, it is characterised in that：The cell block shell (1) is resin Base fiber reinforced composite material.
- A kind of 6. bridge pier protection guard according to claim 1, it is characterised in that：The cushion (4) is the more born of the same parents of closed pore Structural material.
- A kind of 7. bridge pier protection guard according to claim 1, it is characterised in that：The protective unit block by anchor ear and Bolt is arranged on bridge pier outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499597.8U CN206828950U (en) | 2017-05-08 | 2017-05-08 | A kind of bridge pier protection guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499597.8U CN206828950U (en) | 2017-05-08 | 2017-05-08 | A kind of bridge pier protection guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206828950U true CN206828950U (en) | 2018-01-02 |
Family
ID=60770462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720499597.8U Expired - Fee Related CN206828950U (en) | 2017-05-08 | 2017-05-08 | A kind of bridge pier protection guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206828950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978780A (en) * | 2017-05-08 | 2017-07-25 | 四川恒晟捷科技有限责任公司 | Pier protector |
-
2017
- 2017-05-08 CN CN201720499597.8U patent/CN206828950U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978780A (en) * | 2017-05-08 | 2017-07-25 | 四川恒晟捷科技有限责任公司 | Pier protector |
| CN106978780B (en) * | 2017-05-08 | 2019-04-16 | 四川恒晟捷科技有限责任公司 | Pier protector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207498867U (en) | Novel rotary anticollision barrel type highway crash cushion guardail | |
| CN207933908U (en) | Noise reducing type rockfall flexible protective structure | |
| CN106978780B (en) | Pier protector | |
| CN108589656A (en) | A kind of waters pier anticollision structure | |
| CN113216092B (en) | Auxiliary device for port stop of civil ship | |
| CN107974979A (en) | A kind of bridge pier protective device | |
| CN112281636A (en) | Pier anti-collision system and method capable of automatically resetting | |
| CN108708351A (en) | A kind of bridge pier anti-collision structure | |
| CN204225027U (en) | A kind of novel unrestrained bank protection device that disappears on power station | |
| WO2011116624A1 (en) | Safety protection device for bridge pier | |
| CN108677822A (en) | Mountain highway elastic anti-slip slope anticollision device, collision-prevention device | |
| CN206828950U (en) | A kind of bridge pier protection guard | |
| CN216739495U (en) | Regional ship collision protection device of wading building | |
| CN214089444U (en) | Pier protection device for preventing impact of rolling stones and debris flow | |
| CN202024695U (en) | Shock-absorbing protective device of soft composite air curtain with underwater demolition | |
| CN201305840Y (en) | Flexible anti-collision device for underwater tower foundation | |
| CN208039020U (en) | A kind of Bridge Pier structure of road and bridge | |
| CN107675653B (en) | The bridge pier impact protector and its construction method of energy consumption are turned to based on liquid | |
| CN207878349U (en) | Viaduct pier anticollision barrier | |
| CN203487448U (en) | Pier protection device capable of transferring impact | |
| CN106906788A (en) | A kind of fast assembling-disassembling floating breakwater | |
| CN111560917A (en) | Detachable rapid breach repairing structure | |
| CN107815996A (en) | Bridge pier fluid anticollision device, collision-prevention device | |
| CN217128099U (en) | Fill and irritate pile wall cofferdam bridge collision avoidance system of energy-consuming material | |
| CN213571606U (en) | Debris flow prevention device used in road construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |