EP2628852B1 - Road safety barrier structure with supporting pillar and method to install it - Google Patents
Road safety barrier structure with supporting pillar and method to install it Download PDFInfo
- Publication number
- EP2628852B1 EP2628852B1 EP12197620.3A EP12197620A EP2628852B1 EP 2628852 B1 EP2628852 B1 EP 2628852B1 EP 12197620 A EP12197620 A EP 12197620A EP 2628852 B1 EP2628852 B1 EP 2628852B1
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- EP
- European Patent Office
- Prior art keywords
- safety barrier
- supporting post
- open bore
- supporting
- side wall
- 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.)
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- 230000004888 barrier function Effects 0.000 title claims description 84
- 238000000034 method Methods 0.000 title claims description 9
- 238000009434 installation Methods 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- E01F15/0461—Supports, e.g. posts
-
- 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
Definitions
- the present invention relates to a road safety barrier structure with supporting post and a method to install it.
- Hungarian utility model application No. U0100107 discloses supporting posts for installing informatory road-signs
- Hungarian utility model application No. U9300019 teaches supporting posts installed into the soil for road-signs and/or informatory signs
- Hungarian utility model application No. U0700069 discloses supporting posts and beams for public board supporting portals and brackets. Supporting posts used to erect road safety barrier structures are also well known in the art.
- the supporting posts used in road safety barrier structures are, in general, of C- or I-shaped, and there are bores formed on their side to fix/mount safety barriers thereon.
- the strength of said posts depends on the wall thickness, the properties of the material they are made of, the manner of installation, as well as similar other characteristics.
- Said supporting posts have to meet a double requirement: they have to have, on the one hand, a strength that is sufficient to bear/carry the weight of the safety barrier(s) mounted thereon and, on the other hand, to potentially keep vehicles about leaving the road on the road, as well as to lead them back into the right direction and/or - when a vehicle cannot be led back - to exert such a force upon collision that is absolutely necessary since the passengers travelling in the vehicle could be seriously damaged or even die otherwise; hence, in this latter case it is more preferred if said supporting posts e.g. simply break. That is, to satisfy the requirements of opposite nature, a compromise should be arrived at.
- Japanese Published Patent Application No. 2006-283523 discloses a structure of two steel tubes wherein one of the tubes is arranged within the other and the gap formed between said tubes is filled with slag or sediment.
- the safety barrier is mounted onto the thus obtained supporting post. This solution, however, renders the design of a supporting post, as well as the installation of a safety barrier structure comprising such post rather complicated and expensive.
- U.S. Patent No. 5,069,576 teaches a road safety barrier structure wherein a pyramid shaped member projecting out to about 20 cm from the vertical supporting post is bolted onto the post, and the safety barrier is mounted onto this connection member by a detachable joint.
- a disadvantage of this design is that said post is not formed as a single integral piece and hence its strength is highly questionable.
- U.S. Patent No. 5,219,241 suggests the use of a single piece plastic supporting post with a projecting member.
- the front side of said projecting member is formed to be in conformity with the inner surface of the safety barrier.
- a disadvantage of the design is that both the manufacturing and the installation of the post are cumbersome due to the plastic properties. An adequate strength is also missed.
- German Patent No. DE 10 2004 034 999 A1 discloses a solution wherein the supporting post is anchored to the concrete flank through a black plate after all, but a separate angled support is also required to brace it, said support is affixed to the pavement by screwing.
- the supporting post concerned is not a one piece element. The requisite for said angled support renders the installation of the supporting post of a road safety barrier structure complicated and expensive.
- the supporting post fabricated along with the teachings of EP Patent Application No. 677,615 A1 is provided with a support beam, i.e. it is not formed as a one piece element either. Moreover, this essential additional element increases the costs of the post and its installation, as well as renders the installation process itself more complicated.
- FR 2 723 602 A1 - considered to be the closest prior art document - discloses a road safety barrier structure that comprises a crash barrier rail constituted of metal rails with two end-to-end corrugations and a vertical supporting post having a transverse C-section.
- the supporting post has at its upper end, in the side facing the road, a vertical straight groove.
- the groove starts directly at the very edge of the upper end and extends downward along a certain length of the supporting post.
- Fixing of the rail to the supporting post is effected with a bolt and a nut. The bolt is introduced into a hole formed in the rail and engaged in the groove in the supporting post.
- Tightening of the nut on the bolt against the internal face of the support post side facing the road ensures secure fixing of the rail to the supporting post.
- the vertical supporting post bends and releases the bolt from the groove and frees the rail.
- the present invention aims at providing a supporting post that eliminates the disadvantages mentioned previously, that is, a supporting post that does not exert too large force on a colliding vehicle, nevertheless, exhibits a strength adequate to bear the weight of the safety barrier, and that is cheap and has got a simply design together with the road safety barrier structure constructed by means of said supporting post.
- a further object is to provide a road safety barrier structure having the supporting post concerned that, due to its design, reduces the risk of personal injury upon collision with it.
- a yet further object to be achieved by the present invention is to work out a simple, rapid and cost effective method for installing a safety barrier structure.
- the passing through connecting means that allows secure clamping of the safety barrier on both sides thereof.
- the stability of the road safety barrier structure is further increased by locating said connecting means at the very bottom of the open bore with parallel extension corresponding to the diameter of the bore in the form of a cut-out.
- the present design - according to which the open bore with parallel extension corresponding to the diameter of the bore in the form of a cut-out locates in parallel with the edge of the supporting post - allows that the safety barrier applied bears completely against the supporting post.
- any post e.g. a C- or I-shaped one in cross-sectional view
- any safety barrier can be used as the safety barrier, however, the usage of a barrier with a sine-shaped cross-sectional profile (from now on "sine safety barrier") is highly preferred.
- the above objects are achieved by providing a method to install a road safety barrier structure with supporting post, wherein the method comprises the steps of Claim 6.
- the method comprises the steps of Claim 6.
- a preferred variant of the inventive method is set forth in Claim 7.
- Supporting post 1 illustrated in Figure 1 comprises a longitudinally extending main wall and two side walls, each of which is connected by a curved portion to a respective lengthwise edge of said main wall.
- the supporting post 1 has got an essentially S-shaped profile in a cross section perpendicular to the longitudinal direction, as it is shown in Figure 2 ; said cross sectional profile is defined by a main line of the main wall T and base lines of the respective side walls t connected to the main wall, said curved portions are characterized here by rounding radii R-II and R-III.
- said supporting post 1 is prepared by mechanical machining/shaping of a sheet material with wall thickness s.
- one of the side walls of said supporting post 1 is provided with an open bore 2.
- Said open bore 2 has got an essentially parallel extension that corresponds to the diameter of the bore and is provided in the form of a cut-out. Due to the cut-out, a wall f forms between the open bore 2 and a free edge 5 of the side wall.
- a first edge of said open bore 2 is defined by said wall f itself, while the other edge of the open bore 2 that locates opposite to the wall f first takes the form of an arc with rounding radius R-I and then meets the free edge 5 of the side wall at a bevelled angle.
- a safety barrier 3 (provided preferably in the form of a sine safety barrier) is secured/affixed by means of a connecting means 4 passing through the open bore 2 on/onto the side wall t of the supporting post 1.
- the securing of the safety barrier 3 locates preferably at the very bottom of the open bore 2.
- the main wall T and the other side wall t, as well as the free edge 5 of the supporting post 1 are also indicated in Figure 3 .
- the sine safety barrier 3 is directly affixed by means of said connecting means 4 onto the side wall t of the supporting post 1, that is, no further connection member e.g. a deforming member or any other element is inserted therebetween.
- the sine safety barrier 3 is secured by means of the passing through connecting means 4 at the bottom of the open bore 2 provided with a parallel extension that corresponds to the diameter of the bore.
- Said open bore 2 with parallel extension corresponding to the diameter of the bore is formed in one of the side walls t ; to this, said main wall T is connected, to which, in turn, the other side wall t is connected.
- the length of the open bore 2 measured from the free edge 5 of the supporting post is preferably about 2 to 4 times, more preferably about 2,5 to 3,5 times, and even more preferably about 3 times as large as the diameter of the open bore 2.
- the main wall T is 110 ⁇ 3 mm in width
- the side walls t are 56 ⁇ 3 mm in width
- the supporting post 1 is 1700 ⁇ 40 mm in its total length
- its height above the ground level that is, in its installed position
- the wall f is 8 ⁇ 3 mm in width
- the wall thickness s of the sheet material used for the supporting post 1 is 4 ⁇ 0,5 mm.
- the length of said open bore 2 with parallel extension corresponding to the diameter of the bore measured from the free edge 5 of the supporting post 1 is 60 mm, its width is 18 mm, and the magnitude of the rounding radius R-I is 9 mm at 135°.
- Figure 5 the components of the preferred connecting means 4 can be seen: a mushroom-headed screw 6, a screw-bolt 7, a hexagonal nut 8 and a washer 9; the figure illustrates clamping of a sine safety barrier.
- the sine safety barrier 3 shown in Figure 6 is provided with rectangular openings 10 for its mounting by means of the connecting means 4 passing through at the bottom of the open bore 2 with parallel extension corresponding to the diameter of the bore, and with oval openings 11 for bracing the safety barriers together.
- Said oval openings 11 allow a displacement of the connecting means along the longitudinal direction of the safety barrier 3 during assembling as required by the position of the safety barrier 3.
- Said rectangular openings 10 allow in turn the rotation free, stable securing for the connecting means.
- the preferred sine safety barrier has got a basically W-shape in cross sectional view.
- the rectangular openings 10 are arranged within the valley portions 12 of said sine safety barrier that enable the installation of the connecting means (not shown).
- This design of the sine safety barrier allows a lowered arrangement of the connecting means on the road side of the barrier when installed and thus helps in decreasing the risk of being damaged by said connecting means upon collision.
- the securing by means of said connecting means 4 passing through the open bore 2 with parallel extension corresponding to the diameter of the bore or at the bottom 13 of said open bore 2 allows the easiest possible breakaway/separation of the (preferably sine) safety barrier 3 when an incidental collision occurs.
- the safety barrier structures built with the above discussed supporting posts offer an increased protection on public roads and also increase safety of the vehicles and the passengers travelling in said vehicles due to their strength-related properties.
- both the supporting post 1 and the safety barrier 3 used in the road safety barrier structure with supporting post according to the present invention when installed are equally hot-dip galvanized.
- the open bore 2 ( Fig. 1 ) with parallel extension corresponding to the diameter of the bore is formed in the supporting post 1 at a given distance, preferably at 49 ⁇ 3 mm, from the top end thereof, and the thus obtained supporting post 1 ( Fig. 1 ), that is ready to be installed, is transported to the place of installation.
- At least two supporting posts 1 are erected in a given distance apart from one another on the edge of the roadway with their front elevation view facing to the roadway. Then, the two erected supporting posts 1 are secured by beating in the soil to a desired depth tj or by any other way.
- a safety barrier 3 (particularly, a sine safety barrier shown in Fig. 6 ) with proper orientation is affixed through the rectangular opening 10 by means of connecting means 4 ( Fig. 5 ) passing through at the bottom 13 of the open bore 2 to both of said supporting posts 1.
- Figures 9 and 10 illustrate the finished structure in two different views with the sine safety barrier 3 being affixed by means of the connecting means 4 onto the supporting posts 1.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Description
- The present invention relates to a road safety barrier structure with supporting post and a method to install it.
- Nowadays, supporting posts are fabricated for various purposes. For example, Hungarian utility model application No.
U0100107 U9300019 U0700069 - The supporting posts used in road safety barrier structures are, in general, of C- or I-shaped, and there are bores formed on their side to fix/mount safety barriers thereon. The strength of said posts depends on the wall thickness, the properties of the material they are made of, the manner of installation, as well as similar other characteristics. Said supporting posts have to meet a double requirement: they have to have, on the one hand, a strength that is sufficient to bear/carry the weight of the safety barrier(s) mounted thereon and, on the other hand, to potentially keep vehicles about leaving the road on the road, as well as to lead them back into the right direction and/or - when a vehicle cannot be led back - to exert such a force upon collision that is absolutely necessary since the passengers travelling in the vehicle could be seriously damaged or even die otherwise; hence, in this latter case it is more preferred if said supporting posts e.g. simply break. That is, to satisfy the requirements of opposite nature, a compromise should be arrived at.
- To fulfil the above requirements as effective as is possible, newer and newer supporting posts are developed. For example, Japanese Published Patent Application No.
2006-283523 -
U.S. Patent No. 5,069,576 teaches a road safety barrier structure wherein a pyramid shaped member projecting out to about 20 cm from the vertical supporting post is bolted onto the post, and the safety barrier is mounted onto this connection member by a detachable joint. A disadvantage of this design is that said post is not formed as a single integral piece and hence its strength is highly questionable. -
U.S. Patent No. 5,219,241 suggests the use of a single piece plastic supporting post with a projecting member. The front side of said projecting member is formed to be in conformity with the inner surface of the safety barrier. A disadvantage of the design is that both the manufacturing and the installation of the post are cumbersome due to the plastic properties. An adequate strength is also missed. - German Patent No.
DE 10 2004 034 999 A1 - According to
U.S. Patent No. 5,697,728 the supporting post is fixed by means of screw anchors to the concrete flank or to the kerbstone. This is rather complicated and hence expensive. - The supporting post fabricated along with the teachings of
EP Patent Application No. 677,615 A1 - The supporting post of the structure disclosed in
U.S. Patent No. 4,598,512 also requires bracing that increases the costs, on the one hand, and renders the installation more complicated on the other hand. -
FR 2 723 602 A1 - In light of the above, the present invention aims at providing a supporting post that eliminates the disadvantages mentioned previously, that is, a supporting post that does not exert too large force on a colliding vehicle, nevertheless, exhibits a strength adequate to bear the weight of the safety barrier, and that is cheap and has got a simply design together with the road safety barrier structure constructed by means of said supporting post. A further object is to provide a road safety barrier structure having the supporting post concerned that, due to its design, reduces the risk of personal injury upon collision with it. A yet further object to be achieved by the present invention is to work out a simple, rapid and cost effective method for installing a safety barrier structure.
- It was found that the above objects can be achieved by making use of a supporting post with an open bore, wherein said open bore is provided with a parallel extension corresponding to the diameter of the bore in the form of a cut-out and wherein the affixing of the safety barrier takes place through said extension.
- In particular, in one aspect of the invention, the above objects are achieved by a road safety barrier structure with supporting post in accordance with
Claim 1. Possible further preferred embodiments of the inventive road safety barrier structure with supporting post are set forth inClaims 2 to 5. - In the inventive construction, it is the passing through connecting means that allows secure clamping of the safety barrier on both sides thereof. The stability of the road safety barrier structure is further increased by locating said connecting means at the very bottom of the open bore with parallel extension corresponding to the diameter of the bore in the form of a cut-out. Moreover, the present design - according to which the open bore with parallel extension corresponding to the diameter of the bore in the form of a cut-out locates in parallel with the edge of the supporting post - allows that the safety barrier applied bears completely against the supporting post.
- It is noted hereby that although the invention will be discussed in detail with reference to a supporting post with S-shaped cross section, any post (e.g. a C- or I-shaped one in cross-sectional view) can be used as the supporting post. Similarly, any safety barrier can be used as the safety barrier, however, the usage of a barrier with a sine-shaped cross-sectional profile (from now on "sine safety barrier") is highly preferred.
- Furthermore, in another aspect of the invention, the above objects are achieved by providing a method to install a road safety barrier structure with supporting post, wherein the method comprises the steps of
Claim 6. A preferred variant of the inventive method is set forth in Claim 7. - In what follows, a supporting post according to the invention and the additional further components of a road safety barrier structure that includes said supporting post are discussed in detail with reference to several preferred embodiments and to drawings. For illustration purposes and with no intention to limit the scope of protection a supporting post with S-shaped cross section and a sine safety barrier will be considered. In the drawings
-
Figure 1 is a front view of a supporting post with S-shaped cross section when looked from the direction of road traffic; -
Figure 2 is a cross sectional view of the supporting post shown inFigure 1 , taken along the line A-A inFig. 1 ; -
Figure 3 is a side view of the supporting post with the open bore and with the affixed safety barrier; -
Figure 4 is a sectional view of the supporting post shown inFigure 3 , taken along the line B-B inFig. 3 ; -
Figure 5 is a side view of the connecting means that is used to affix the safety barrier; -
Figure 6 is a top view of a sine safety barrier; -
Figure 7 is a sectional view of the sine safety barrier illustrated inFigure 6 , taken along the line A-A inFig. 6 ; -
Figure 8 is an exploded perspective elevational view of a road safety barrier structure with supporting post according to the invention; -
Figure 9 is a perspective elevational view of a road safety barrier structure with supporting post according to the invention; and -
Figure 10 is a perspective left-side rear view of a road safety barrier structure with supporting post according to the invention. - Supporting
post 1 illustrated inFigure 1 comprises a longitudinally extending main wall and two side walls, each of which is connected by a curved portion to a respective lengthwise edge of said main wall. The supportingpost 1 has got an essentially S-shaped profile in a cross section perpendicular to the longitudinal direction, as it is shown inFigure 2 ; said cross sectional profile is defined by a main line of the main wall T and base lines of the respective side walls t connected to the main wall, said curved portions are characterized here by rounding radii R-II and R-III. Preferably, said supportingpost 1 is prepared by mechanical machining/shaping of a sheet material with wall thickness s. Furthermore, one of the side walls of said supportingpost 1 is provided with anopen bore 2. Saidopen bore 2 has got an essentially parallel extension that corresponds to the diameter of the bore and is provided in the form of a cut-out. Due to the cut-out, a wall f forms between theopen bore 2 and afree edge 5 of the side wall. Thus, a first edge of saidopen bore 2 is defined by said wall f itself, while the other edge of theopen bore 2 that locates opposite to the wall f first takes the form of an arc with rounding radius R-I and then meets thefree edge 5 of the side wall at a bevelled angle. - As it is shown in
Figure 3 , a safety barrier 3 (provided preferably in the form of a sine safety barrier) is secured/affixed by means of a connectingmeans 4 passing through theopen bore 2 on/onto the side wall t of the supportingpost 1. The securing of thesafety barrier 3 locates preferably at the very bottom of theopen bore 2. The main wall T and the other side wall t, as well as thefree edge 5 of the supportingpost 1 are also indicated inFigure 3 . - As it is illustrated in
Figure 4 , thesine safety barrier 3 is directly affixed by means of said connectingmeans 4 onto the side wall t of the supportingpost 1, that is, no further connection member e.g. a deforming member or any other element is inserted therebetween. Thesine safety barrier 3 is secured by means of the passing through connectingmeans 4 at the bottom of theopen bore 2 provided with a parallel extension that corresponds to the diameter of the bore. Saidopen bore 2 with parallel extension corresponding to the diameter of the bore is formed in one of the side walls t; to this, said main wall T is connected, to which, in turn, the other side wall t is connected. - The length of the
open bore 2 measured from thefree edge 5 of the supporting post is preferably about 2 to 4 times, more preferably about 2,5 to 3,5 times, and even more preferably about 3 times as large as the diameter of theopen bore 2. According to the studies performed, upon collision, the supportingpost 1 built into the road safety barrier structure according to the invention allows tilting of the connecting means 4 from theopen bore 2 with sufficient efficacy for the above given size ranges, and thus thesafety barrier 3 will not be pulled down by the supportingpost 1. - In particular, in a preferred embodiment of said supporting
post 1 applied in the road safety barrier structure the main wall T is 110±3 mm in width, the side walls t are 56±3 mm in width, the supportingpost 1 is 1700±40 mm in its total length, while its height above the ground level (that is, in its installed position) is 710±40 mm. Moreover, the rounding radii at the side walls t are R-II = 1,5s and R-III = 2,5s, the wall f is 8±3 mm in width, wherein the wall thickness s of the sheet material used for the supportingpost 1 is 4±0,5 mm. The length of saidopen bore 2 with parallel extension corresponding to the diameter of the bore measured from thefree edge 5 of the supportingpost 1 is 60 mm, its width is 18 mm, and the magnitude of the rounding radius R-I is 9 mm at 135°. - In
Figure 5 the components of the preferred connectingmeans 4 can be seen: a mushroom-headedscrew 6, a screw-bolt 7, ahexagonal nut 8 and awasher 9; the figure illustrates clamping of a sine safety barrier. - The
sine safety barrier 3 shown inFigure 6 is provided withrectangular openings 10 for its mounting by means of the connectingmeans 4 passing through at the bottom of theopen bore 2 with parallel extension corresponding to the diameter of the bore, and withoval openings 11 for bracing the safety barriers together. Saidoval openings 11 allow a displacement of the connecting means along the longitudinal direction of thesafety barrier 3 during assembling as required by the position of thesafety barrier 3. Saidrectangular openings 10 allow in turn the rotation free, stable securing for the connecting means. - As it can be seen in
Figure 7 , the preferred sine safety barrier has got a basically W-shape in cross sectional view. Here, therectangular openings 10 are arranged within thevalley portions 12 of said sine safety barrier that enable the installation of the connecting means (not shown). This design of the sine safety barrier allows a lowered arrangement of the connecting means on the road side of the barrier when installed and thus helps in decreasing the risk of being damaged by said connecting means upon collision. - Moreover, the securing by means of said connecting
means 4 passing through theopen bore 2 with parallel extension corresponding to the diameter of the bore or at the bottom 13 of saidopen bore 2 allows the easiest possible breakaway/separation of the (preferably sine)safety barrier 3 when an incidental collision occurs. In this manner, the safety barrier structures built with the above discussed supporting posts offer an increased protection on public roads and also increase safety of the vehicles and the passengers travelling in said vehicles due to their strength-related properties. - To achieve an adequate and desired surface protection, preferably both the supporting
post 1 and thesafety barrier 3 used in the road safety barrier structure with supporting post according to the present invention when installed are equally hot-dip galvanized. - In what follows, a possible preferred variant of the method to install a road safety barrier structure with supporting post according to the invention is outlined. The steps of installing said road safety barrier structure with supporting post according to the invention are discussed with reference to
Figure 8 ;Figures 9 and 10 illustrate the fully installed road safety barrier structure with supporting post. - The open bore 2 (
Fig. 1 ) with parallel extension corresponding to the diameter of the bore is formed in the supportingpost 1 at a given distance, preferably at 49±3 mm, from the top end thereof, and the thus obtained supporting post 1 (Fig. 1 ), that is ready to be installed, is transported to the place of installation. At least two supportingposts 1 are erected in a given distance apart from one another on the edge of the roadway with their front elevation view facing to the roadway. Then, the two erected supportingposts 1 are secured by beating in the soil to a desired depth tj or by any other way. Next, a safety barrier 3 (particularly, a sine safety barrier shown inFig. 6 ) with proper orientation is affixed through therectangular opening 10 by means of connecting means 4 (Fig. 5 ) passing through at the bottom 13 of theopen bore 2 to both of said supportingposts 1. - To ensure that the
washer 9 and the hexagonal nut 8 (Fig. 5 ) could be properly tightened and that thesafety barrier 3 could be clamped between thewasher 9 and thehexagonal nut 8, as well as the mushroom-headed screw 6 (Fig. 5 ) on its both sides, within the securing step, a care should be taken that the screw-bolt 7 (Fig. 5 ) passes through the open bore 2 (Fig. 1 ) completely. -
Figures 9 and 10 illustrate the finished structure in two different views with thesine safety barrier 3 being affixed by means of the connectingmeans 4 onto the supporting posts 1. - The advantages of the supporting post provided with an
open bore 2 with parallel extension corresponding to the diameter of the bore according to the invention - and, thus, of a road safety barrier structure built with said supporting post - are as follows: - the
safety barrier 3 can be directly secured to the supportingpost 1, there is no need to insert any connection members, e.g. a deforming member; - as no connection member is required, the in-field installation of the inventive structure is much faster compared to that of structures with connection member;
- upon collision, it allows tilting of the connecting means 4 from the
open bore 2, that is the supportingpost 1 will not pull down saidsafety barrier 3; - the replacement of a damaged supporting post poses no problem, it can be performed simply and rapidly as no connection member leading to complications is present;
- the supporting post is formed as a one-piece element, and hence it exhibits a strength that is reliable and can be precisely determined.
Claims (7)
- A road safety barrier structure with supporting post, said structure comprises a safety barrier (3) and a supporting post (1) having a side wall (t) for securing the safety barrier (3), wherein said side wall (t) comprises at least one open bore (2), said open bore (2) is provided with a parallel extension corresponding to the diameter of the bore, essentially parallel with a free edge (5) of the side wall (t) and located between said free edge (5) and an opposite edge (5a) of said side wall (t), and wherein the supporting post (1) and the safety barrier (3) are secured together by means of a detachable connecting means (4) that passes through the parallel extension of the open bore (2) or at a bottom (13) thereof, characterized in that the open bore (2) is provided in the form of a cut-out, whereby a wall (f) forms between the open bore (2) and the free edge (5) of the side wall (t), a first edge of said open bore (2) being thus defined by the wall (f) and a further edge of the open bore (2) that is located opposite to the wall (f) first takes the form of an arc with a rounding radius (R-I) and then meets the free edge (5) of the side wall (t) at a bevelled angle.
- The road safety barrier structure with supporting post according to Claim 1, characterized in that the length of the open bore (2) with parallel extension corresponding to the diameter of the bore measured from the edge (5) of the side wall (t) of the supporting post (1) is preferably about two to four times, more preferably about 2,5 to 3,5 times, and even more preferably about three times as large as the diameter of said open bore (2).
- The road safety barrier structure with supporting post according to Claim 1 or 2, characterized in that the safety barrier (3) is a sine safety barrier.
- The road safety barrier structure with supporting post according to any of Claims 1 to 3, characterized in that the surfaces of both the supporting post (1) and the safety barrier (3) are hot-dip galvanized against corrosion.
- The road safety barrier structure with supporting post according to any of Claims 1 to 4, characterized in that in the side wall (t) of said supporting post (1), the length of the open bore (2) with parallel extension is 60 mm in length and 18 mm in diameter .
- A method to install the road safety barrier structure with supporting post according to any of Claims 1 to 5, characterized in that it comprises the following steps:- said open bore (2) is formed in the side wall (t) of the supporting post (1),- at least two supporting posts (1) are erected on the edge of the roadway with a front elevation view facing to the roadway,- the two erected supporting posts (1) are secured,- the safety barrier (3) is affixed through respective openings (10) formed therein onto said at least two supporting posts (1) by means of connecting means (4) passing through the parallel extension of the open bore (2) or at the bottom (13) thereof.
- The installation method according to Claim 6, characterized in that the safety barrier (3) is provided by a sine safety barrier.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU1200329 HU230097B1 (en) | 2011-12-15 | 2011-12-15 | Road crash barrier structure with post installation method of the structure |
HU1100263U HU4113U (en) | 2011-12-15 | 2011-12-15 | Supporting pillar for safety barrier structures |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2628852A2 EP2628852A2 (en) | 2013-08-21 |
EP2628852A3 EP2628852A3 (en) | 2016-04-27 |
EP2628852B1 true EP2628852B1 (en) | 2019-05-15 |
Family
ID=89990758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12197620.3A Active EP2628852B1 (en) | 2011-12-15 | 2012-12-17 | Road safety barrier structure with supporting pillar and method to install it |
Country Status (2)
Country | Link |
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EP (1) | EP2628852B1 (en) |
HU (2) | HU230097B1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9217230B2 (en) * | 2013-10-11 | 2015-12-22 | Safe Direction Pty Ltd | Barrier system |
WO2016201401A2 (en) * | 2015-06-11 | 2016-12-15 | Reinert Gary L | One-piece metal plate foundation with integral offset plate for guardrails and other structures and guardrail system utilizing same |
CA3035009A1 (en) | 2015-11-18 | 2017-05-26 | Troy Wheeler Contracting Limited | A guardrail |
NZ746886A (en) * | 2016-04-08 | 2022-08-26 | Holmes Solutions Lp | A barrier system |
AT520738B1 (en) * | 2018-07-24 | 2019-07-15 | Kirchdorfer Fertigteilholding Gmbh | STEER FOR A VEHICLE RESTRAINT SYSTEM |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4516365A (en) | 1982-11-12 | 1985-05-14 | Chapman Nicholas J | Support assembly and method |
FR2641804B1 (en) | 1989-01-17 | 1992-02-28 | Pomero Claude | ROAD SAFETY SLIDE WITH DEVELOPED WINGS |
US5219241A (en) | 1991-06-04 | 1993-06-15 | Picton Valentine L | Crash barrier post |
IT1262381B (en) | 1993-07-23 | 1996-06-19 | Autostrade Concess Const | LIGHT BRIDGE FROM HIGHWAY BRIDGE. |
IT1270033B (en) | 1994-04-14 | 1997-04-28 | Tubosider Italiana Spa | VARIABLE GEOMETRY ROAD BARRIER, WITH MEANS OF DISSIPATION OF ENERGY |
FR2723602B1 (en) * | 1994-08-12 | 1996-10-18 | Sodirel | ROAD SAFETY SLIDE DEVICE, AND MORE PARTICULARLY DEVICE FOR SOLIDARIZING THE RAIL TO VERTICAL POSTS. |
IT1268127B1 (en) * | 1994-10-17 | 1997-02-20 | Acciai Centro Spa | SEMI-RIGID ROAD BARRIER WITH CONTROLLED DISSIPATION OF CRASH ENERGY WITH TRIM CORRECTION. |
DE102004034999A1 (en) | 2004-03-10 | 2005-10-13 | TOGE-Dübel A. Gerhard KG | Crash barrier post used in impact systems on roadways and on bridges comprises a front support, a foot part, and a rear angled support |
JP2006283523A (en) | 2005-04-05 | 2006-10-19 | Nippon Steel Corp | Column structure and column with guardrail |
GB2435066A (en) * | 2006-02-09 | 2007-08-15 | Corus Uk Ltd | Safety barrier |
US8353499B2 (en) * | 2007-08-21 | 2013-01-15 | Nucor Corporation | Roadway guardrail system |
-
2011
- 2011-12-15 HU HU1200329 patent/HU230097B1/en not_active IP Right Cessation
-
2012
- 2012-12-17 HU HUE12197620 patent/HUE044754T2/en unknown
- 2012-12-17 EP EP12197620.3A patent/EP2628852B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
HUP1200329A2 (en) | 2013-07-29 |
HU230097B1 (en) | 2013-07-29 |
HUE044754T2 (en) | 2019-11-28 |
EP2628852A3 (en) | 2016-04-27 |
EP2628852A2 (en) | 2013-08-21 |
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