KR101655362B1 - guardrail assembly reinforced shock absorbing structure - Google Patents

guardrail assembly reinforced shock absorbing structure Download PDF

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Publication number
KR101655362B1
KR101655362B1 KR1020160034896A KR20160034896A KR101655362B1 KR 101655362 B1 KR101655362 B1 KR 101655362B1 KR 1020160034896 A KR1020160034896 A KR 1020160034896A KR 20160034896 A KR20160034896 A KR 20160034896A KR 101655362 B1 KR101655362 B1 KR 101655362B1
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KR
South Korea
Prior art keywords
guard rail
strut
shock absorbing
buffer
strut member
Prior art date
Application number
KR1020160034896A
Other languages
Korean (ko)
Inventor
심기용
Original Assignee
(주)효명
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Publication date
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Priority to KR1020160034896A priority Critical patent/KR101655362B1/en
Application granted granted Critical
Publication of KR101655362B1 publication Critical patent/KR101655362B1/en

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407Metal rails
    • E01F15/0423Details of rails
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407Metal rails
    • E01F15/0438Spacers between rails and posts, e.g. energy-absorbing means
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0461Supports, e.g. posts

Abstract

A guardrail assembly reinforced with a shock absorbing structure according to the present invention comprises: a plurality of strut members embedded in the ground or fixed on the ground so as to be spaced apart from each other at a predetermined interval; A guard rail provided so as to traverse the plurality of strut members at a front surface of the plurality of strut members and provided with a plurality of spaced apart upper and lower strut members; And an impact absorbing member provided corresponding to the shape of the outer circumferential surface of the strut member and interposed between the strut member and the guard rail.
Thereby, it is possible to provide a guardrail assembly having an impact-absorbing structure reinforced that can effectively absorb shock applied when a vehicle is in a collision and minimize deformation or breakage of the guardrail.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a shock-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a guardrail assembly reinforced with a shock absorbing structure, and more particularly, to a guardrail assembly reinforced with a shock absorbing structure installed on a center line or road side of a road such as a highway or a motorway.

Generally, guard rails are designed to limit the width of a roadway and to prevent the vehicle from escaping to the outside of the road or the center line to prevent occupant safety and to prevent secondary accidents occurring in the event of an accident Respectively.

In such a guard rail, a column is installed at a predetermined depth on the road surface, and a guard rail bar is coupled to the column to construct the guard rail. Such a guard rail has a structure and characteristics for protecting the vehicle by maintaining its shape when an external impact such as a collision of the vehicle is applied.

An example of such a conventional guardrail is disclosed in Korean Utility Model Publication No. 20-2013-0004377 (published on July 15, 2013, hereinafter referred to as Patent Document 1).

The guard rail according to the related art is provided with a support made of an H-shaped steel or a steel pipe, and a plurality of bricks and a plurality of bricks so that the shape of the guardrail bar is prevented from being deformed even when an external impact such as a vehicle collision occurs, And a guard rail bar provided to have a curved shape. The guard rail bar is assembled with bolts and nuts on the support.

However, the conventional guardrail has a simple shape, which can be easily broken due to collision of the vehicle, which may make it difficult to properly exhibit the characteristics of protecting the vehicle or alleviating the collision.

Korean Utility Model Publication No. 20-2013-0004377 (published on July 15, 2013)

An object of the present invention is to provide a guardrail assembly reinforced with a shock absorbing structure capable of effectively absorbing an impact applied at the time of a vehicle collision and minimizing deformation or breakage of the guard rail.

Further, it is possible to provide a guardrail assembly reinforced with a shock absorbing structure capable of maximizing impact buffering effect irrespective of the point of collision of a vehicle and enhancing visibility irrespective of the traveling direction of the vehicle to prevent an accident in advance .

A guardrail assembly reinforced with a shock absorbing structure according to the present invention comprises: a plurality of strut members embedded in the ground or fixed on the ground so as to be spaced apart from each other at a predetermined interval; A guard rail provided so as to traverse the plurality of strut members at a front surface of the plurality of strut members and provided with a plurality of spaced apart upper and lower strut members; And an impact absorbing member provided corresponding to the shape of the outer circumferential surface of the strut member and interposed between the strut member and the guard rail.

Here, the strut member is provided in the shape of a triangular column so that a corner portion thereof is directed to the guard rail, and a portion of the impact absorbing member, which is coupled with the strut member, corresponds to the corner shape of the strut member, It is preferable to be formed concavely.

Meanwhile, the guardrail assembly with the shock-absorbing structure reinforced according to the present invention includes a plurality of reinforcing cushioning members installed in the width direction of the guard rail across the plurality of guard rails and spaced apart from each other at regular intervals .

The reinforcement cushion member may include a fastening plate coupled to the guard rail and a fastening plate integrally bent from the fastening plate so as to protrude through a space spaced between the plurality of guard rails, It is preferable that the interspacing buffer be inclined gradually toward the other side.

According to the present invention, it is possible to provide a guard rail assembly having an impact absorbing structure reinforced that can effectively absorb shock applied when a vehicle is in a collision and minimize deformation or breakage of the guard rail.

Further, it is possible to provide a guardrail assembly reinforced with a shock absorbing structure capable of maximizing impact buffering effect irrespective of the point of collision of a vehicle and enhancing visibility irrespective of the traveling direction of the vehicle to prevent an accident in advance can do.

1 is a perspective view of a guard rail assembly with a shock absorbing structure reinforced according to the present invention,
FIG. 2 is an exploded perspective view showing a process in which a guard rail and an impact absorbing member are coupled to a strut member of a guard rail assembly having the shock absorbing structure reinforced in FIG. 1,
Figure 3 is a plan view of a portion of the guardrail assembly of Figure 1 viewed from above,
Figure 4 shows a side view of a guardrail assembly with an impact-absorbing structure of Figure 1 enhanced,
FIG. 5 is an exploded perspective view showing a process in which the reinforcing buffer member is coupled to the guard rail of FIG. 1;
FIG. 6 is a bottom view of the reinforcing buffer member of FIG. 5 viewed from below,
Fig. 7 is an enlarged side view of the guard rail of Fig. 4,
8 is a side view of a guard rail showing another embodiment of Fig. 7, Fig.
9 is a rear perspective view of a guard rail assembly with a shock absorbing structure reinforced according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, the guard rail assembly with the shock absorbing structure reinforced according to the present invention includes a plurality of strut members 100 embedded in the ground or fixed to the ground so as to be spaced apart from each other at regular intervals, A guard rail 200 provided so as to traverse a plurality of strut members 100 at a front surface of the plurality of strut members 100 and provided so as to be vertically spaced apart from the strut member 100; And an impact absorbing member 300 interposed between the strut member 100 and the guard rail 200. The impact absorbing member 300 includes a plurality of protrusions.

2 and 3, the shape of the impact absorbing member 300 sandwiched between the strut member 100 and the guard rail 200 corresponds to the contact surface shape of the strut member 100 So that the shock caused by the collision of the vehicle is primarily alleviated by the guard rail 200, but the shock absorbing member 300 Which is absorbed and relaxed secondarily, and is transmitted to the strut member 100, thereby effectively absorbing an impact caused by a vehicle collision, and at the same time, minimizing deformation or breakage of the guardrail assembly. Can be provided.

The lower end of the strut member 100 is fixed to the center line or the outer line of the road surface and the guard rail 200 and the impact absorbing member 300 are coupled through the first fastening member 340, 200).

As shown in Figs. 2 and 3, the strut member 100 according to the present invention has a triangular post-shaped coupling edge portion 103 which is a corner portion facing the guard rail 200, It is preferable that the absorbing member 300 is formed with a concave V-shaped portion corresponding to a corner shape of the strut member 100 in a portion where the absorbent member 300 is coupled with the strut member 100.

The guard rail 200 is formed such that a part of the coupling plate 210 is elongated and curved through a process such as a pressing process so that the transverse buffer part 220 is formed integrally with the coupling plate 210, And is fixed to the strut member 100 through a first fastening member 340 coupled to the strut member 100.

As shown in FIGS. 2 and 4, the shock absorbing member 300 is formed to have a substantially 'C' cross-sectional shape on a side surface thereof, and is provided with a guard rail 200 which is in contact with the guard rail 200 when engaged with the guard rail 200. [ The contact portions 310 and the guard rail contact portions 310 are bent and extended at the upper and lower portions to be brought into contact with the strut member 100 when the strut member 100 is engaged with the connecting edge portion 103 of the strut member 100, The contact groove portion 321 has a concave V-shaped recessed portion 320 at each end thereof corresponding to the shape of the coupling edge portion 103 so as to engage with each other.

This allows the guard rail 200 to be coupled to the strut member 100 provided in the shape of a triangular prism through the impact absorbing member 300 so that the strut member 100 is more firmly mounted on the ground, 300 can be more firmly engaged and buffered by the contact groove portion 321 of the first and second support members 300, 300 to prevent lateral deformation or damage of the support member 100 when the external impact is transmitted due to collision of the vehicle.

2 and 3, a fastening hole 311 is formed in the central portion of the plate surface of the guard rail contact portion 310 of the shock absorbing member 300, A shock absorbing and fixing plate 330 is provided on the inner side of the guard rail 200 so as to extend vertically through the guard rail 200. The first fastening member 340 penetrates the guard rail 200 to fasten the fastening hole 311 of the guard rail contacting portion 310 A fastening nut 350 is coupled to an end of the first fastening member 340 which is inserted through the shock absorbing fastening plate 330 and protruded to the opposite side with respect to the shock absorbing fastening plate 330, 100, the shock absorbing member 300 and the guard rail 200 are firmly coupled to each other.

At this time, the first fastening member 340 may include a bolt.

Accordingly, the guard rail 200, the shock absorbing member 300, and the strut member 100 are coupled to each other by the shock absorbing / fixing plate 330 provided in the lateral direction of the guard rail 200, The joint state can be firmly maintained and the installation and assembly can be performed easily and the shock due to collision of the vehicle can be effectively absorbed and dispersed and transmitted to the strut member 100.

As shown in FIG. 3, the shock absorbing fixing plate 330 according to the present invention has a structure in which both end portions are in close contact with and contact with the inner circumferential surface of the strut member 100 constituting the engaging edge portion 103 in a plan view, And is integrally bent and extended to be connected.

2, the guard rail 200 is provided on the front surface of the guard rail 200 in the form of a thin plate horizontally and horizontally along the length of the guard rail 200. The plate is provided with a long washer 240 And the first fastening member 340 for coupling the strut member 100, the shock absorbing member 300 and the guard rail 200 are coupled to each other by the fastening bolts 250, Through the coupling hole at the center of the guard rail 200. A nut member is coupled to the end of the fastening bolt 250 protruding to the opposite side with respect to the long washer 240 so that the long washer 240 is fixed to the guard rail 200.

The long washer 240 and the shock absorbing and fixing plate 330 are mutually intersected so as to form a cross shape so that the coupling state between the guard rail 200, the impact absorbing member 300, and the strut member 100 The first fastening member 340 and the fastening bolt 250 are fastened to each other by the long washer 240 so that the shock absorbing structure can be further reinforced so that deformation or breakage is minimized even if an impact is applied from the outside, The fastening pressure can be dispersed.

In another embodiment of the present invention, the strut member 100 may be formed in a variety of shapes such as a quadrangular prism or an oblong prism, in addition to a triangular prism, as an embodiment of the present invention. And may be provided in the shape of a polygonal column.

5 and 6, the guard rail assembly with the shock absorbing structure reinforced according to the present invention is installed in the lateral direction on the guard rail 200 so as to cross the plurality of guard rails 200, And may further include a plurality of reinforcing buffer members 400 installed to be spaced apart at regular intervals.

Accordingly, the shock absorbing structure of the guard rail assembly according to the present invention is further reinforced by the reinforcing cushioning member 400, so that the impact buffering effect can be maximized regardless of the point where the vehicle is collided.

5, the reinforcing buffer member 400 includes a fastening plate 410 coupled to the guard rail 200 and fastening plates 410 projecting through spaces spaced apart from the plurality of guard rails 200. [ 410 extending in the lengthwise direction of the guard rail 200 and gradually sloping from one side to the other side in the longitudinal direction of the guard rail 200.

As shown in FIG. 6, the interdigital cushioning part 420 is formed to have a substantially trapezoidal shape in plan view, and has a slope inclined at an angle of? 1 from one side to the other side . At this time, it is preferable that? 1 is approximately 15 to 20 degrees.

Accordingly, when the vehicle collides laterally with the guard rail 200, the reinforcing cushion member 400 having the interdental cushioning portion 420 according to the present invention minimizes deformation or breakage of the guard rail 200 So that the impact can be more effectively absorbed and dispersed.

The interspaces buffering part 420 of the reinforcing buffer member 400 is formed to be inclined gradually from one side along the length direction of the guard rail 200 to the other side. Shaped to have a substantially circular convex shape, and protrude through spaces spaced between the plurality of guard rails (200) so as to be protruded from the fastening plate (410) And may be integrally formed on the fastening plate 410 along the longitudinal direction.

Accordingly, regardless of the point where the vehicle collides with the interspinous cushioning portion 420, the impact external force is always applied to the guard rail 200 in the vertical direction, so that the interspinous cushioning portion 420 is prevented from being damaged by external impact It is possible to prevent the collapse as much as possible, thereby maximizing the impact buffering effect.

Meanwhile, as shown in FIG. 5, the reinforcing buffer member 400 according to the present invention may further include a light emitting band 500, which reflects or emits light, on the outer surface of the interspaces buffering part 420.

Accordingly, it is possible to provide a guard rail assembly having an impact absorbing structure reinforced that can maximize the impact buffering effect and enhance the visibility according to the running direction of the vehicle to prevent an accident in advance.

The light emitting band 500 according to the present invention is preferably made of a reflective sheet or PVDF (polyfluorinated vinylidene).

1 to 6, a process of installing a guardrail assembly having an impact-absorbing structure reinforced according to the present invention will be described below.

First, a linear operation is performed on the road where the guardrail assembly is to be installed, and then a plurality of strut members 100 are stuck to the ground with a predetermined distance therebetween.

Next, the shock absorbing and fixing plate 330 is inserted into the strut member 100 and the outer side of the shock absorbing member 300 is coupled to the guard rail 200 and the long washer 240, The member 340 is fastened to the fastening bolt 250 and fastened by the fastening nut 350 and the nut member.

Then, the upper cover 101 is put on the upper portion of the strut member 100 to be coupled thereto.

Finally, the reinforcing buffer member 400 is installed between the span of the guard rail 200. At this time, it is preferable that the fastening plate 410 of the reinforcing buffer member 400 is coupled to the guard rail 200 by the second fastening member 430.

7, the guard rail 200 according to the present invention includes a coupling plate 210 coupled to the strut member 100 and a coupling plate 210 coupled to the coupling plate 210 so as to be convex toward the front And a transverse buffer 220 integrally formed on the coupling plate 210 along the longitudinal direction of the plate 210. [

Accordingly, when an external shock such as a collision of a vehicle occurs, the transverse shock absorber 220 mitigates the impact, thereby minimizing the deformation or breakage of the guard rail 200.

7, the angle? 2 between the coupling plate 210 and the transverse bumper 220 is determined by the tangential force F1 of the external force applied to the transverse bumper 220, (F) of the force F2 in the normal direction and the force F in the normal direction are always applied to the guard rail 200 in the vertical direction. That is, the cross-sectional shape of the guard rail 200 according to the present invention is formed such that the coupling plate 210 and the transverse buffer part 220 are alternated with each other to have a substantially Ω shape. The transverse buffer part 220 is provided so as to be vertically paired with the coupling plate 210 interposed therebetween so that the convex part of the transverse buffer part 220 of the guard rail 200 is supported by the support member 100 And the convex portion of the concave coupling plate 210 is preferably disposed opposite to the strut member 100. It is preferable that the guard rail 200 is provided by overlapping two layers of plate members.

Accordingly, regardless of the point at which the vehicle collides with the transverse shock absorber 220, the impact external force is always applied to the guard rail 200 in the vertical direction, so that the transverse shock absorber 220 is prevented from being damaged It is possible to prevent the collapse as much as possible, thereby maximizing the impact buffering effect.

The angle? 2 between the coupling plate 210 and the transverse bumper 220 is determined by the force F1 in the tangential direction of the external force applied to the transverse bumper 220, It is preferable that the resultant force F of the force F2 is approximately 60 to 80 degrees so as to always act in the vertical direction with respect to the guard rail 200. [

8, a light emitting band 500 may be provided on the outer surface of at least one of the guard rail 200 and the reinforcing buffer member 400 according to the present invention.

Accordingly, it is possible to provide a guard rail assembly having an impact absorbing structure enhanced in maximizing impact buffering effect and enhancing visibility regardless of the traveling direction of the vehicle, thereby preventing an accident in advance.

At this time, the light emitting strip 500 may be provided on both the outer side surfaces of the transverse buffer part 220 and the interspacing buffer part 420.

As shown in FIG. 8, at least one of the transverse buffer parts 220, interspecies buffer parts 420 and the impact absorbing members 300 may have the same shape (for example, a convex hemispherical shape or a semicircular post shape) And the respective convex directions are arranged so as to be continuously oriented with respect to each of the transverse buffer parts 220 and the interspacing buffer parts 420 in the direction opposite to the respective transverse buffer parts 220 and the interspatial buffer parts 420 The fractal enhancement unit 600 may be provided with a fractal structure.

Accordingly, the guard rail 200 according to the present invention is further reinforced by the fractal reinforcing portion 600, so that deformation or breakage of the guardrail 200 can be further minimized when an external shock such as a vehicle collision occurs.

9, the strut member 100 is provided in the shape of a cylinder, and the guard rail 200 is formed in the shape of a column, The one end of the end coupled to the strut member 100 may be curved in a substantially U-shape so as to enclose the member 100.

In this case, the light emitting band 500 may be provided on the curved portion of the guard rail, and the shock absorbing member 300 may be provided between the strut member 100 and the guard rail 200 in a manner corresponding to the shape of the strut member 100 The rear center portion may be provided so as to have a concave portion and may be interposed in a vertically erected form. It is preferable that the guard rail assembly of this type can be installed in the start and end sections of the road and the guard rail 200 is further provided with an information display section 700 including information such as manufacturer, Do. The information display unit 700 may include a hologram sticker or a QR code.

Thus, according to the present invention, a shock absorbing structure capable of maximizing a shock buffer effect regardless of a point where a vehicle collides with a vehicle and enhancing visibility regardless of a traveling direction of the vehicle, A guardrail assembly can be provided.

While the invention has been described in connection with what is presently considered to be practical exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

100: strut member 200: guardrail
300: shock absorbing member 400: reinforcing buffer member
410: fastening plate 420: interspinous buffering part

Claims (4)

A plurality of strut members embedded in the ground or fixed to the ground so as to be spaced apart from each other at regular intervals;
A guardrail extending longitudinally across the plurality of strut members at a front surface of the plurality of strut members and having a plurality of vertically spaced apart guardrails; And
An impact absorbing member provided corresponding to an outer peripheral surface shape of the strut member and interposed between the strut member and the guard rail;
Lt; / RTI >
Wherein the guard rail includes a coupling plate coupled to the shock absorbing member and a transverse buffer unit integrally formed by extending a part of the coupling plate so as to be curved,
Wherein the cross-sectional shape of the guard rail is such that the coupling plate and the transverse cushion part are alternately interlaced,
Wherein the support member is provided in the shape of a triangular column so that a coupling edge portion, which is a corner portion, faces the guard rail,
The shock absorbing member may have a V-shaped concave portion corresponding to a shape of a coupling edge of the strut member, and may have a cross-sectional shape of a 'C' A guard rail contact portion which is in contact with the guard rail and which is bent at an upper portion and a lower portion of the guard rail contact portion so as to be brought into contact with the strut member when engaged with the strut member, And a " V " -shaped recessed damping extension,
Wherein a shock absorbing fastening plate is formed on the inside of the strut member and extending vertically inward from the inside of the strut member toward the coupling edge. Guard rail assembly.
delete The method according to claim 1,
Further comprising a plurality of reinforcing cushioning members which are installed in the lateral direction on the guard rails so as to cross the plurality of guard rails and spaced apart from each other at a predetermined interval,
The reinforcing cushion member is integrally bent from the fastening plate so as to protrude through a space separated between the plurality of guard rails and is integrally bent from one side along the longitudinal direction of the guard rail And an interspinous buffer part formed to be inclined gradually toward the side of the interspaces,
And the shock absorbing member is repeatedly formed in the same shape in the inside of at least one of the transverse buffer portion, the interspatial buffer portion, and the impact absorbing member, and each of the convex directions is opposite to the transverse buffer portion and the interspatial buffer portion, And a fractal reinforcing portion provided in a fractal structure arranged to be continuously aligned with respect to the buffer portion and the interspacing buffer portion.
The method of claim 3,
Wherein at least one of the guard rail and the reinforcing buffer member is provided with a light emitting band on an outer side surface thereof.
KR1020160034896A 2016-03-23 2016-03-23 guardrail assembly reinforced shock absorbing structure KR101655362B1 (en)

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KR1020160034896A KR101655362B1 (en) 2016-03-23 2016-03-23 guardrail assembly reinforced shock absorbing structure
PCT/KR2016/014997 WO2017164489A1 (en) 2016-03-23 2016-12-21 Guardrail assembly having strengthened shock absorption structure

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GB2595457A (en) * 2020-05-25 2021-12-01 Stone Mark A system for hostile vehicle mitigation with shallow-footing arrangement

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Publication number Priority date Publication date Assignee Title
KR20120082117A (en) * 2011-01-13 2012-07-23 주식회사 보국산업 A guardrail having crashworthy concluding structures in the support and the buffer
KR101182975B1 (en) * 2012-03-12 2012-09-21 김동철 Guard rail structure
KR20130004377U (en) 2012-05-15 2013-07-15 이병남 Reinforcing member for a guardrail

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Publication number Priority date Publication date Assignee Title
US7530548B2 (en) * 2004-07-19 2009-05-12 Ochoa Carlos M Releasable highway safety structures
JP2012193582A (en) * 2011-03-17 2012-10-11 Sumitomo Rubber Ind Ltd Guardrail
CN204551335U (en) * 2015-01-19 2015-08-12 黑龙江省公路勘察设计院 A kind of road caution guardrail with detachable buffer stopper

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Publication number Priority date Publication date Assignee Title
KR20120082117A (en) * 2011-01-13 2012-07-23 주식회사 보국산업 A guardrail having crashworthy concluding structures in the support and the buffer
KR101182975B1 (en) * 2012-03-12 2012-09-21 김동철 Guard rail structure
KR20130004377U (en) 2012-05-15 2013-07-15 이병남 Reinforcing member for a guardrail

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