CN102011365B - Device for preventing ultra-high vehicle from impacting upper structure of bridge - Google Patents

Device for preventing ultra-high vehicle from impacting upper structure of bridge Download PDF

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Publication number
CN102011365B
CN102011365B CN201010586282XA CN201010586282A CN102011365B CN 102011365 B CN102011365 B CN 102011365B CN 201010586282X A CN201010586282X A CN 201010586282XA CN 201010586282 A CN201010586282 A CN 201010586282A CN 102011365 B CN102011365 B CN 102011365B
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China
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bridge
protector
module
thin
bump
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CN201010586282XA
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CN102011365A (en
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陆新征
程晓波
何水涛
叶列平
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Tsinghua University
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Tsinghua University
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Abstract

The invention provides a device for preventing a ultra-high vehicle from impacting an upper structure of a bridge, wherein the impact strength to the upper structure of the bridge by the ultra-high vehicle is dispersed by a diffusion module; an energy absorption module consumes the dispersed impact force and the kinetic energy of the ultra-high vehicle; a connection module connects the prevention device with the bridge to prevent the prevention device from falling off during the impact process, thereby efficiently reducing the damage of the ultra-high vehicle to the bridge. Moreover, the weight of every linear meter of the device is only 20-100kg; the device does not increase the dead weight load of the bridge, so that the device can be largely installed on the existing bridge structures.

Description

A kind of protector of Overheight Vehicles bump bridge superstructure
Technical field
The present invention relates to the traffic technical field of bridge engineering, particularly relate to a kind of protector of Overheight Vehicles bump bridge superstructure.
Background technology
Along with the quickening day by day of urbanization process, multilevel traffic becomes the important channel that solves the urban traffic pressure.But the accident of incident Overheight Vehicles bump bridge superstructure also grows with each passing day.According to the statistics of Beijing traffic department, Beijing has 50% bridge superstructure once to suffer the bump of Overheight Vehicles approximately, and the bridge that damages thus accounts for all and damages more than 20% of bridge.
At present domestic protector research to Overheight Vehicles bump bridge superstructure is basic still blank.Xue Guangshun (number of patent application 200510015881.5) has proposed one and has utilized rope " prevent superelevation from restricting driving sail the protector of motor vehicle damaging bridge, culvert mouth ".But this device still need be set up support in addition beyond bridge, compares with the bumper frame that is widely used at present and does not have clear superiority, and install and use very trouble, and reliability is not also through check.In engineering, also never see employing at present.
Both at home and abroad at present to existing more research basis of the protection of Vehicular impact bridge pier, ship collision bridge and patented product.But the requirement of the protector of the protector of Vehicular impact bridge pier and superelevation car bump bridge superstructure has very big different.Area is less because bridge pier is impacted, but directly links to each other with ground and basis, therefore can be through the purpose that deadweight is big, the higher protector of intensity reaches the protection bridge pier.And bridge superstructure all has comparatively strict requirement to the weight of protector and size, so inapplicable.Boats and ships are because deadweight is very big, but speed is slower, so a lot of protectors with the Vehicular impact bridge pier of the protector of ship collision are similar, are employed in that setting stops near the bridge pier, buffering, energy-dissipating device realization, also are not suitable for the crash of bridge superstructure.Therefore, for now, can directly be installed on the body of a bridge, feasible effective bridge superstructure superelevation car crash device is domestic at present still blank.
Therefore; The technical problem that present those skilled in the art press for solution is exactly: the Overheight Vehicles crash device that how can propose a kind of high-efficient simple with innovating; To solve the problem that exists in the prior art, effectively reduce of the bump loss of the bump of Overheight Vehicles to bridge.
Summary of the invention
Technical problem to be solved by this invention provides a kind of protector of Overheight Vehicles bump bridge superstructure, in order to increase bridge in HD not significantly, effectively reduces the loss of vehicle bridge bump.
In order to address the above problem, the invention discloses a kind of protector of Overheight Vehicles bump bridge superstructure, said protector comprises:
Diffuse module is used for Overheight Vehicles are disperseed the bump strength of bridge superstructure;
Said diffuse module is processed by steel plate or steel flap, and the thickness of steel plate is 20mm~40mm; Rubber or foamed aluminium pad are installed before the diffuse module;
The energy-absorbing module is used for the impact after disperseing and the kinetic energy dissipation of Overheight Vehicles;
Said energy-absorbing module is processed by thin-wall steel tube, comprises a row or arranges thin-wall steel tube more, and the wall thickness of thin-wall steel tube is 1~4mm, and internal diameter is 10cm~20cm, and length is 30cm~40cm, spacing 30cm~50cm;
Link block is used to connect protector and bridge, prevents that protector comes off in the knockout process.
Preferably, said link block is accomplished connection through the mode of welding, bolt or bar planting.
Preferably, the cross sectional shape of said thin-wall steel tube is circle, rectangle, square or hexagon.
Preferably, said diffuse module simultaneously bears the bump of Overheight Vehicles, and another side links to each other with the energy-absorbing module.
Preferably, the thin-wall steel tube of said energy-absorbing module links to each other with diffuse module through welding.
Compared with prior art, the present invention has the following advantages:
The present invention disperses Overheight Vehicles through diffuse module to the bump strength of bridge superstructure; The impact after the energy-absorbing module will be disperseed and the kinetic energy dissipation of Overheight Vehicles; Link block connects protector and bridge; Prevent that protector comes off in the knockout process, thereby effectively reduced of the damage of Overheight Vehicles bump bridge.And this installs only 20~100 kilograms of every linear meter(lin.m.) weight, do not increase basically bridge from HD, can be installed in a large number on the existing bridge construction.
Description of drawings
Fig. 1 is the protector structure chart of the described a kind of Overheight Vehicles bump bridge superstructure of the embodiment of the invention;
Fig. 2 is the lateral view of the protector of the described a kind of Overheight Vehicles bump bridge superstructure of the embodiment of the invention;
Fig. 3 is the protector 1-1 cross section view of the described a kind of Overheight Vehicles bump bridge superstructure of the embodiment of the invention;
Fig. 4 is the sectional view of the protector energy-absorbing module of the described a kind of Overheight Vehicles bump bridge superstructure of the embodiment of the invention;
Fig. 5 is the sectional view of the protector diffuse module of the described a kind of Overheight Vehicles bump bridge superstructure of the embodiment of the invention.
The specific embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and the specific embodiment the present invention done further detailed explanation.
To the problem that Overheight Vehicles bump bridge superstructure exists at present, the present invention proposes a kind of protector that can directly be installed on the Overheight Vehicles bump bridge superstructure body of a bridge, efficient light.
Embodiment:
With reference to Fig. 1, show the protector structure chart of a kind of Overheight Vehicles bump bridge superstructure of the present invention, said protector specifically comprises:
Diffuse module 101 is used for Overheight Vehicles are disperseed the bump strength of bridge superstructure;
Preferably, said diffuse module is processed by steel plate or steel flap.
Preferably, the thickness of said steel plate is 20mm~40mm.
Energy-absorbing module 102 is used for the impact after disperseing and the kinetic energy dissipation of Overheight Vehicles;
Preferably, said energy absorption device is processed by thin-wall steel tube.
Preferably, the wall thickness of said thin-wall steel tube is 1~4mm, and internal diameter is 10cm~20cm, and length is 30cm~40cm.
Preferably, the cross sectional shape of said thin-wall steel tube is circle, rectangle, square or hexagon.
Preferably, said energy absorption device comprises a row or arranges thin-wall steel tube, the spacing 30cm of thin-wall steel tube~50cm more.
Preferably, said diffuse module simultaneously bears the bump of Overheight Vehicles, and another side links to each other with the energy-absorbing module.
Preferably, the thin-wall steel tube of said energy-absorbing module links to each other with diffuse module through welding.
Link block 103 is used to connect protector and bridge, prevents that protector comes off in the knockout process.
Preferably, said link block is accomplished connection through the mode of welding, bolt or bar planting.
Because the impact of superelevation car is bigger, and the effect of impact district is smaller, therefore; There is diffuse module 101 in the zone that directly contacts with vehicle impact at protector, is used for Overheight Vehicles are distributed to bigger zone to the bump strength of bridge superstructure, in concrete the application; Diffuse module can be processed by steel plate or steel flap; More concrete, the thickness of steel plate can be 20mm~40mm, can be good at impact is disperseed.In order to improve rigidity, can steel plate can be processed into steel flap shape in the application, rubber or foamed aluminium pad also can be installed before steel plate with further buffering percussive force.
To clash into after strength disperses at diffuse module 101, the impact after will being disperseed by energy-absorbing module 102 and the kinetic energy dissipation of Overheight Vehicles fall.In the practical application, energy-absorbing module 102 is processed by thin-wall steel tube, and is concrete, and the steel plate of wall thickness 1~4mm is bent into the thin-wall steel tube of 10cm~20cm size, and its section form can be circle, rectangle, square or hexagon etc.The length of thin-wall steel tube is between 30cm~40cm.According to the real needs of bridge size, comprise a row in the energy absorption device 102 or arrange thin-wall steel tube, the spacing 30cm of each thin-wall steel tube~50cm more.In the applied environment of reality, diffuse module 101 one sides are born the bump of Overheight Vehicles, and another side links to each other with energy-absorbing module 102, and the thin-wall steel tube of energy-absorbing module 102 links to each other with diffuse module 101 through welding.
The protector that Overheight Vehicles is clashed into bridge superstructure through link block 103 reliably is connected with bridge, prevents that protector comes off in the knockout process.Concrete, the mode that adopts welding, bolt or bar planting is installed on the position that steel bridge or concrete body of a bridge side bottom possibly suffer the Overheight Vehicles bump with protector.
Adopt the described protector of present embodiment,, can reduce effect of impact more than 40% through test and computational analysis; Effectively reduce the loss of vehicle bridge bump; And this installs only 20~100 kilograms of every linear meter(lin.m.) weight, do not increase basically bridge from HD, can be installed in a large number on the existing bridge construction.
In addition, the lateral view of the protector of Overheight Vehicles bump bridge superstructure can be with reference to Fig. 2.
The protector 1-1 cross section view of Overheight Vehicles bump bridge superstructure can be with reference to Fig. 3.
The sectional view of the protector energy-absorbing module of Overheight Vehicles bump bridge superstructure can be with reference to Fig. 4.
The sectional view of the protector diffuse module of Overheight Vehicles bump bridge superstructure can be with reference to Fig. 5.
More than the protector of a kind of Overheight Vehicles bump bridge superstructure provided by the present invention has been carried out detailed introduction; Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims (5)

1. the protector of Overheight Vehicles bump bridge superstructure is characterized in that said protector comprises:
Diffuse module is used for Overheight Vehicles are disperseed the bump strength of bridge superstructure;
Said diffuse module is processed by steel plate or steel flap, and the thickness of steel plate is 20mm~40mm; Rubber or foamed aluminium pad are installed before the diffuse module;
The energy-absorbing module is used for the impact after disperseing and the kinetic energy dissipation of Overheight Vehicles;
Said energy-absorbing module is processed by thin-wall steel tube, comprises a row or arranges thin-wall steel tube more, and the wall thickness of thin-wall steel tube is 1~4mm, and internal diameter is 10cm~20cm, and length is 30cm~40cm, spacing 30cm~50cm;
Link block is used to connect protector and bridge, prevents that protector comes off in the knockout process.
2. protector according to claim 1 is characterized in that:
Said link block is accomplished connection through the mode of welding, bolt or bar planting.
3. protector according to claim 1 is characterized in that:
The cross sectional shape of said thin-wall steel tube is circle, rectangle, square or hexagon.
4. device according to claim 1 is characterized in that:
Said diffuse module simultaneously bears the bump of Overheight Vehicles, and another side links to each other with the energy-absorbing module.
5. device according to claim 1 is characterized in that:
The thin-wall steel tube of said energy-absorbing module links to each other with diffuse module through welding.
CN201010586282XA 2010-12-08 2010-12-08 Device for preventing ultra-high vehicle from impacting upper structure of bridge Expired - Fee Related CN102011365B (en)

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CN201010586282XA CN102011365B (en) 2010-12-08 2010-12-08 Device for preventing ultra-high vehicle from impacting upper structure of bridge

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Application Number Priority Date Filing Date Title
CN201010586282XA CN102011365B (en) 2010-12-08 2010-12-08 Device for preventing ultra-high vehicle from impacting upper structure of bridge

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CN102011365B true CN102011365B (en) 2012-08-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106012888B (en) * 2016-06-15 2017-12-22 河南交通职业技术学院 A kind of highway bridge vehicle upper crash system and its means of defence
CN111305120B (en) * 2020-04-11 2024-03-12 郑州大学 Anticollision device of overline T-beam bridge and installation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2556425Y (en) * 2002-07-26 2003-06-18 中国航空救生研究所 Energy-suction device
CN2602054Y (en) * 2003-01-29 2004-02-04 张传东 Fly-over bridge crashproof device
CN2612722Y (en) * 2003-04-19 2004-04-21 李富勇 Viaduct bridge head protecting equipment
CN1958961A (en) * 2005-11-03 2007-05-09 天津市全家乐健身服务有限公司 Safety device of culvert mouth for preventing damages caused by strike of running vehicles overtopping upper bound
CN201427589Y (en) * 2009-08-06 2010-03-24 中国北车集团大同电力机车有限责任公司 Additive collision energy-absorbing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2556425Y (en) * 2002-07-26 2003-06-18 中国航空救生研究所 Energy-suction device
CN2602054Y (en) * 2003-01-29 2004-02-04 张传东 Fly-over bridge crashproof device
CN2612722Y (en) * 2003-04-19 2004-04-21 李富勇 Viaduct bridge head protecting equipment
CN1958961A (en) * 2005-11-03 2007-05-09 天津市全家乐健身服务有限公司 Safety device of culvert mouth for preventing damages caused by strike of running vehicles overtopping upper bound
CN201427589Y (en) * 2009-08-06 2010-03-24 中国北车集团大同电力机车有限责任公司 Additive collision energy-absorbing device

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