CN108487134A - A kind of anti-collision guard rail for highways based on multiple defence line - Google Patents
A kind of anti-collision guard rail for highways based on multiple defence line Download PDFInfo
- Publication number
- CN108487134A CN108487134A CN201810144563.6A CN201810144563A CN108487134A CN 108487134 A CN108487134 A CN 108487134A CN 201810144563 A CN201810144563 A CN 201810144563A CN 108487134 A CN108487134 A CN 108487134A
- Authority
- CN
- China
- Prior art keywords
- waveform
- aluminum alloy
- guardrail plate
- defence
- postposition
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0423—Details of rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/631—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of anti-collision guard rail for highways based on multiple defence line, it is related to field of track traffic, it is arranged in highway both sides and intermediate isolating band, including waveform aluminum alloy guardrail plate and obstruction block outside preposition outer waveform aluminum alloy guardrail plate, closed-cell aluminum foam, interior waveform aluminium alloy protecting breast board, postposition.Preposition outer waveform aluminum alloy guardrail plate is deformed after automobile impacting, constitutes the first line of defence；The interior waveform aluminium alloy protecting breast board for inside filling closed-cell aluminum foam plays energy consumption jointly after being knocked, and constitutes second defence line；The outer waveform aluminum alloy guardrail plate of postposition carries out deformation energy consumption when striking the position, constitutes three lines of defence；For obstruction block itself is a energy absorbing members, when shock, plays the role of energy consumption, constitutes four lines of defense.The entirety that four lines of defense is constituted can also play the role of limiting displacement.The Impact energy when present invention can effectively decay to lose control of one's vehicle avoids that continuous shock accident occurs, reduces occupant's injures and deaths.
Description
Technical field
The present invention relates to a kind of anti-collision guard rail for highways based on multiple defence line, belong to field of track traffic.
Background technology
China's Expressway Development is very rapid, possesses highway total mileage tabernacle second place of the world at present, only secondary
In the U.S..With the increasingly increase of Freeway Transport density, the generation of traffic accident is also increasing, seriously threatens highway
Operation and the along the line safety of building.Such as：A lot of accidents occur for the domestic fastlink in Fuyang in 2017.It causes at least
7 people are dead, and more people are injured, cause heavy congestion.As modern more convenient quick means of transportation, although having had very much
Protection, but accident still occurs often, causes prodigious loss.Automobile crash column accident out of control happens occasionally, example
Such as：2015, one commercial vehicle crash column of southern Chinese parasol tree highway caused 3 people dead, and 3 people are injured.Therefore, anticollision barrier quilt
The consumption of energy and necessary to the research of the safeguard measure of automobile out of control when shock.
Although decades have been developed to vehicle on expressway Protective strategy, various countries are all made of simply for a long time
Freeway guardrail or freeway guardrail net carry out protection Design, do not fully consider influence Vehicular impact effect it is various
Factor.Due to will produce large energy during Vehicular impact, and some existing freeway guardrails make the protection of vehicle
With very little, so it is necessary to study corresponding safeguard procedures.Novel height is set in highway both sides and intermediate isolating band
Fast highway multiple defence line anticollision barrier, when Vehicular impact anticollision barrier, four lines of defense works to absorb successively and largely hit
Energy is hit, can be played a very good protection to automobile out of control, injury of the shock accident to vehicle interior personnel can be mitigated, had
Good practicability and feasibility.
Invention content
In order to mitigate injury of the shock accident to vehicle interior personnel, the present invention provides a kind of high speed based on multiple defence line
Highway anti-collision guardrail.
Technical scheme of the present invention：A kind of anti-collision guard rail for highways based on multiple defence line, including four lines of defense, steel pipe
Column, steel pipe post are equipped with four lines of defense, and the first line of defence, second defence line, the middle part of three lines of defence and the 4th are anti-
Line is bolted；The first line of defence, second defence line, the top of three lines of defence, lower part are bolted respectively；Its
It is characterized in that, the first line of defence is that preposition outer waveform aluminum alloy guardrail plate is constituted, and second defence line is interior waveform aluminum alloy guardrail
Plate and closed-cell aluminum foam collectively form, and the upper/lower terminal of waveform aluminium alloy protecting breast board welds to form hollow space in two pieces,
Hollow space fills closed-cell aluminum foam, and three lines of defence is that the outer waveform aluminum alloy guardrail plate of postposition is constituted, four lines of defense
For obstruction block；
It is welded with steel pipe post on the left of obstruction block；The preposition outer waveform aluminum alloy guardrail plate of screw bolt passes, interior waveform aluminium alloy
Spiral shell on the right side of the outer waveform aluminum alloy guardrail plate of guardrail board, closed-cell aluminum foam, interior waveform aluminium alloy protecting breast board, postposition and obstruction block
It tethers and connects；
The upper/lower terminal of the preposition outer waveform aluminum alloy guardrail plate and the outer waveform aluminum alloy guardrail plate of postposition welds；After described
Waveform aluminium alloy protecting breast board in outer waveform aluminum alloy guardrail plate and one piece is set to weld；Waveform aluminium alloy protecting breast board is with before in another piece
Set outer waveform aluminum alloy guardrail plate welding.
In above-mentioned technical proposal, the length of the preposition outer waveform aluminum alloy guardrail plate is 4320mm, and width is
506mm, depth of groove are 85mm, and plate thickness is 4mm.Select 6008 line aluminium alloys
The length of the outer waveform aluminum alloy guardrail plate of postposition is 4320mm, and width is 506mm, and plate thickness is 4mm.It is aluminium to select 6008
Alloy.
The interior waveform aluminium alloy protecting breast board uses 6008 line aluminium alloys.Interior waveform aluminum alloy guardrail plate thickness is 4mm,
Height is that the outer waveform aluminum alloy guardrail plate of postposition subtracts connection aluminium alloy plate height, length and the outer waveform aluminum alloy guardrail plate of postposition
Length is identical.
The closed-cell aluminum foam has the multifunctional light material of a large amount of holes using aluminium alloy as matrix, has very well
Energy-absorbing effect.
Energy consumption is played the role of by the deformation of the first line of defence after shock；Shock touches second defence line and plays energy consumption
Effect；It hits three lines of defence deformation and consumes energy；It is consumed energy by deformation when hitting four lines of defense.
The entirety that four lines of defense is constituted can also play the role of limiting displacement.
The Impact energy when present invention can decay to lose control of one's vehicle ensures that vehicle will not further be hit, avoids sending out
Raw continuous shock accident, reduces occupant's injures and deaths.
The present invention, which is set, can not only prevent automobile impacting displacement out of control excessive, prevent it from toppling, and can also consume
Can, effective protection automobile and interior driver.
The present invention arranges in highway both sides and intermediate isolating band, easy for construction, can be in all directions to automobile out of control
It is protected.
Description of the drawings
Fig. 1 is the front schematic view of the present invention.
Fig. 2 is the side schematic view of the present invention.
In figure, 1-preposition outer waveform aluminum alloy guardrail plate；2-interior waveform aluminium alloy protecting breast boards；The outer waveform aluminium of 3-postpositions
Alloy protective breast board；4-interior fill closed-cell aluminum foam；5-obstruction blocks；6-bolts；7-steel pipe posts.
Specific implementation mode
Present invention implementation is described in detail in conjunction with attached drawing.
The present invention is by waveform aluminium alloy outside preposition outer waveform aluminum alloy guardrail plate 1, interior waveform aluminium alloy protecting breast board 2, postposition
Guardrail board 3 and obstruction block 5 form.
Obstruction block 5 is welded with steel pipe post 7.
Obstruction block 5 and preposition outer waveform aluminum alloy guardrail plate 1, interior waveform aluminium alloy protecting breast board 2, the outer waveform aluminium alloy of postposition
Guardrail board 3 is connected by bolt 6.The preposition outer waveform aluminum alloy guardrail plate 1 and outer 3 weldering of waveform aluminum alloy guardrail plate of postposition
It connects.Interior waveform aluminium alloy protecting breast board 2 is welded with waveform aluminum alloy guardrail plate 3 outside postposition by aluminium alloy plate of the same race；
The outer waveform aluminum alloy guardrail plate 3 of the preposition outer waveform aluminum alloy guardrail plate 1, interior waveform aluminium alloy protecting breast board 2, postposition is equal
To bend to the arc panel of the recessed other side protrusion in side；Recessed depth is 85mm or height of projection is 85mm；
Waveform aluminium alloy protecting breast board 2 constitutes hollow aluminium alloy plate, central filler closed-cell aluminum foam 4, interior waveform aluminium in two pieces
The thickness of alloy protective breast board is 4mm, and length is identical as outer waveform aluminum alloy guardrail 3 length of plate of postposition.
The closed-cell aluminum foam 4 has the multifunctional light material of a large amount of holes using aluminium alloy as matrix, has very well
Energy-absorbing effect.
Interior waveform aluminium alloy protecting breast board 2 uses 6008 line aluminium alloys；
Preposition outer waveform aluminum alloy guardrail plate chooses 6008 line aluminium alloy materials；
The outer waveform aluminum alloy guardrail plate of postposition chooses 6008 line aluminium alloy materials；
The bolt 6 is high-strength bolt, and bolt performance rate is 8.8S, and the diameter of bolt is M20 or more.
The steel pipe post 7 is the square tube that the length of side is 130mm, square tube wall thickness 6mm.The height of steel pipe post is
1500mm。
Preposition outer waveform aluminum alloy guardrail plate 1 can play the role of energy consumption by collision deformation, constitute the first line of defence；
The interior waveform aluminium alloy protecting breast board 2 for inside filling closed-cell aluminum foam 4 plays the role of energy consumption jointly after being knocked, and constitutes the
Two defence lines；Inside fill closed-cell aluminum foam and interior waveform aluminium alloy protecting breast board integral solder waveform aluminum alloy guardrail outside postposition
On plate.Interior waveform aluminium alloy protecting breast board chooses 6008 line aluminium alloy materials, plays a dual role of limit and energy consumption.
Waveform aluminum alloy guardrail plate 3 is consumed energy when automobile impacting is to the position by deformation outside postposition, constitutes third
Road defence line；The outer waveform aluminum alloy guardrail plate of postposition is bolt-connected on obstruction block, with preposition outer waveform aluminum alloy guardrail plate
Welding.The outer waveform aluminum alloy guardrail plate of postposition chooses 6008 line aluminium alloy materials；It is base that closed-cell aluminum foam, which selects aluminium alloy,
Body is formed with the multifunctional light material of a large amount of holes, can there is good energy-absorbing effect.The two collective effect play limit and
The double action of energy consumption.
Itself is a energy absorbing members, when automobile impacting, can also be consumed energy obstruction block 5 by deformation, constitute the 4th
Road defence line.Obstruction block is welded with steel pipe post, is linked to be an entirety.
According to one embodiment of present invention, the anti-collision guard rail for highways of multiple defence line is mainly closed by preposition outer waveform aluminium
Golden guardrail board 1, interior waveform aluminium alloy protecting breast board 2, the outer waveform aluminum alloy guardrail plate 3 of postposition, closed-cell aluminum foam 4 and obstruction block
5 play the role of anticollision of consuming energy jointly.It always consumes energy and is：
Wtotal=W1+W2+W3
In formula,W 1For waveform aluminium alloy protecting outside preposition outer waveform aluminum alloy guardrail plate 1, interior waveform aluminium alloy protecting breast board 2 and postposition
3 consumed energy of breast board；W 2Energy is consumed by the interior closed-cell aluminum foam 4 that fills；W 3Energy is consumed by obstruction block 5.
Highway get on the car deviate highway hit guardrail when impact energy be：
In formula,EFor automobile impacting energy,
mFor automobile gross mass,
v max For automobile maximum speed per hour.
It is no longer slided outward for personnel safety after guarantee automobile impacting guardrail and automobile, then：
Wtotal=E, i.e. E=W1+W2+W3
Wherein waveform aluminium alloy protecting breast board and obstruction block is limited by highway both sides and intermediate isolating with size, is consumed
Energy W1And W3Be it is certain, then：
W2=E-W1-W3
Inside fill 4 consumed energy of closed-cell aluminum foamW 2Above-mentioned formula requirement must be met, then：
Therefore, with the interior stress for filling closed-cell aluminum foam 4Increase, the energy consumed also gradually increases.If its
Energy dissipation capacity reaches E-W1-W3, you can meet anticollision requirement.
And closed-cell aluminum foam energy dissipation capacity depends primarily on the apparent density of foamed aluminium, yield strength formula can join
The formula that Gibson and Ashby are proposed is examined, i.e.,：
In formula,For the apparent density of Porous foam aluminimun,
For the density of aluminium,
For the yield strength of basis material,
For distributed constant,。
By the apparent density for promoting closed-cell aluminum foam 4, you can its yield strength is promoted, its energy dissipation capacity is madeW 2
Also it is correspondingly improved, to meet energy consumption demand.
The key of the present invention, which is to choose, to be had compared with large apparent densityClosed-cell aluminum foam 4, then pass through preposition external wave
The collaboration consumption of the outer waveform aluminum alloy guardrail plate 3 of shape aluminium alloy protecting breast board 1, interior waveform aluminium alloy protecting breast board 2, postposition and obstruction block 5
Can, Impact energy when making the anticollision barrier designed by the present invention that can effectively decay to lose control of one's vehicle ensures that vehicle will not be into one
Step is hit, and is avoided that continuous shock accident occurs, is reduced occupant's injures and deaths.
In conclusion although the embodiment of the present invention has been described and explains in detail, it is to be understood that above-described embodiment is to show
Example property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to upper
Embodiment is stated to be changed, change, replacing and modification.
Claims (7)
1. a kind of anti-collision guard rail for highways based on multiple defence line, including four lines of defense, steel pipe post（7）, steel pipe post（7）
Four lines of defense is installed, the first line of defence, second defence line, three lines of defence middle part and four lines of defense connected by bolt
It connects；The first line of defence, second defence line, the top of three lines of defence, lower part are bolted respectively；It is characterized in that, the
One of defence line is preposition outer waveform aluminum alloy guardrail plate（1）It constitutes, second defence line is interior waveform aluminium alloy protecting breast board（2）With close
Hole foamed aluminium material（4）It collectively forms, waveform aluminium alloy protecting breast board in two pieces（2）Upper/lower terminal weld to form hollow space,
Hollow space fills closed-cell aluminum foam（4）, three lines of defence is the outer waveform aluminum alloy guardrail plate of postposition（3）It constitutes, the 4th
Road defence line is obstruction block（5）；
Obstruction block（5）Left side and steel pipe post（7）Welding；The preposition outer waveform aluminum alloy guardrail plate of screw bolt passes（1）, interior wave
Shape aluminium alloy protecting breast board（2）, closed-cell aluminum foam（4）, interior waveform aluminium alloy protecting breast board（2）, the outer waveform aluminium alloy protecting of postposition
Breast board（3）With obstruction block（5）Right side is bolted；
The preposition outer waveform aluminum alloy guardrail plate（1）With waveform aluminum alloy guardrail plate outside postposition（3）Upper/lower terminal welding；
The outer waveform aluminum alloy guardrail plate of the postposition（3）With one piece in waveform aluminium alloy protecting breast board（2）Welding；Waveform aluminium closes in another piece
Golden guardrail board（2）With preposition outer waveform aluminum alloy guardrail plate（1）Welding.
2. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1, it is characterised in that：Described
Preposition outer waveform aluminum alloy guardrail plate（1）With waveform aluminum alloy guardrail plate outside postposition（3）After welding, in preposition outer waveform aluminium alloy
Guardrail board（1）With waveform aluminum alloy guardrail plate outside postposition（3）Between constitute cavity.
3. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1 or 2, it is characterised in that：Institute
The preposition outer waveform aluminum alloy guardrail plate stated（1）Bend to concave-convex arc panel.
4. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1, it is characterised in that：Described
Preposition outer waveform aluminum alloy guardrail plate（1）Length be 4320mm, width is 506mm, and thickness is 4mm, and depth of groove is 85mm.
5. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1, it is characterised in that：Described
The outer waveform aluminum alloy guardrail plate of postposition（3）Length be 4320mm, width is 506mm, and thickness is 4mm, and depth of groove is 85mm.
6. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1, it is characterised in that：Interior waveform
Aluminium alloy protecting breast board（2）, it is placed in preposition outer waveform aluminum alloy guardrail plate（1）With waveform aluminum alloy guardrail plate outside postposition（3）Between.
7. a kind of anti-collision guard rail for highways based on multiple defence line according to claim 1, it is characterised in that：Described
Interior waveform aluminium alloy protecting breast board（2）Thickness is 4mm, length and the outer waveform aluminum alloy guardrail plate of postposition（3）Equal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144563.6A CN108487134A (en) | 2018-02-12 | 2018-02-12 | A kind of anti-collision guard rail for highways based on multiple defence line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810144563.6A CN108487134A (en) | 2018-02-12 | 2018-02-12 | A kind of anti-collision guard rail for highways based on multiple defence line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108487134A true CN108487134A (en) | 2018-09-04 |
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ID=63340370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144563.6A Pending CN108487134A (en) | 2018-02-12 | 2018-02-12 | A kind of anti-collision guard rail for highways based on multiple defence line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108487134A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024385A (en) * | 2018-09-20 | 2018-12-18 | 华侨大学 | A kind of highway safety protective fence |
| CN112227270A (en) * | 2020-10-26 | 2021-01-15 | 中国十七冶集团有限公司 | Novel buffering waveform guardrail |
| CN114059473A (en) * | 2020-08-07 | 2022-02-18 | 山东高速股份有限公司 | Manufacturing method of energy absorption member applying foamed aluminum material and guardrail structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201883399U (en) * | 2010-11-30 | 2011-06-29 | 华南理工大学 | Sandwich waveform beam slab for road guard rail |
| CN103205941A (en) * | 2013-04-16 | 2013-07-17 | 清华大学 | Train derail impact protecting device based on multiple defending lines |
| CN203603092U (en) * | 2013-12-13 | 2014-05-21 | 辽宁忠旺集团有限公司 | Special aluminum alloy wave-shaped protection guard |
| KR20150011023A (en) * | 2015-01-09 | 2015-01-29 | 유준령 | Guard rail of reinforced plastic |
| CN204475232U (en) * | 2015-01-21 | 2015-07-15 | 衡水武邯交通设施有限公司 | Expressway guardrail structure |
-
2018
- 2018-02-12 CN CN201810144563.6A patent/CN108487134A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201883399U (en) * | 2010-11-30 | 2011-06-29 | 华南理工大学 | Sandwich waveform beam slab for road guard rail |
| CN103205941A (en) * | 2013-04-16 | 2013-07-17 | 清华大学 | Train derail impact protecting device based on multiple defending lines |
| CN203603092U (en) * | 2013-12-13 | 2014-05-21 | 辽宁忠旺集团有限公司 | Special aluminum alloy wave-shaped protection guard |
| KR20150011023A (en) * | 2015-01-09 | 2015-01-29 | 유준령 | Guard rail of reinforced plastic |
| CN204475232U (en) * | 2015-01-21 | 2015-07-15 | 衡水武邯交通设施有限公司 | Expressway guardrail structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024385A (en) * | 2018-09-20 | 2018-12-18 | 华侨大学 | A kind of highway safety protective fence |
| CN109024385B (en) * | 2018-09-20 | 2023-11-21 | 华侨大学 | Highway safety protective guard |
| CN114059473A (en) * | 2020-08-07 | 2022-02-18 | 山东高速股份有限公司 | Manufacturing method of energy absorption member applying foamed aluminum material and guardrail structure |
| CN114059473B (en) * | 2020-08-07 | 2023-09-22 | 山东高速股份有限公司 | Manufacturing method of energy-absorbing component using foamed aluminum material and guardrail structure |
| CN112227270A (en) * | 2020-10-26 | 2021-01-15 | 中国十七冶集团有限公司 | Novel buffering waveform guardrail |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180904 |