EP2952630B1 - Système de retenue de véhicule - Google Patents

Système de retenue de véhicule Download PDF

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Publication number
EP2952630B1
EP2952630B1 EP15169474.2A EP15169474A EP2952630B1 EP 2952630 B1 EP2952630 B1 EP 2952630B1 EP 15169474 A EP15169474 A EP 15169474A EP 2952630 B1 EP2952630 B1 EP 2952630B1
Authority
EP
European Patent Office
Prior art keywords
washer
barrier system
post
posts
vehicle barrier
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.)
Active
Application number
EP15169474.2A
Other languages
German (de)
English (en)
Other versions
EP2952630A1 (fr
Inventor
Horst Lass
Walter Klein
Werner Heimann
Barbara Von Linsingen-Heintzmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Priority to PL15169474T priority Critical patent/PL2952630T3/pl
Publication of EP2952630A1 publication Critical patent/EP2952630A1/fr
Application granted granted Critical
Publication of EP2952630B1 publication Critical patent/EP2952630B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means

Definitions

  • the invention relates to a vehicle restraint system for arrangement next to a roadway according to the features in the preamble of claim 1.
  • the guard rail assembly consists of a protective barrier of preferably releasably juxtaposed guard rails and the guard rail supporting, in cross-section sigma-shaped posts that can be rammed into the ground or mounted on mounting plate to buildings.
  • the attachment of the guardrail to the post takes place under inclusion of intermediate profiles in the form of U-shaped support brackets.
  • the posts fixed in or on the ground are first deformed and bent away from the roadway.
  • the protective barrier strand dissolves from the post after a connecting screw for attaching the guard rail to the post is broken. This process is intentional and is supported by a predetermined breaking point on the connecting bolts.
  • the protective barrier can then deform separately from the posts and deflect a vehicle by a Switzerlandband redesign.
  • the EP 2 333 159 A1 proposes in this context, between the intermediate profile, there referred to as a support element, and the protective barrier an intermediate element to be arranged, which is designed such that the protective barrier runs at an angle to the longitudinal axis of the profile post, wherein the support element for adaptation to the angle between the protective barrier strand and the longitudinal axis of the profile post is formed asymmetrically with a longer upper leg and a shorter lower leg.
  • the protective barrier strand runs at an angle to the longitudinal axis of the profile posts, which is intended to prevent the protective barrier strand from falling as the protective barrier construction deforms.
  • the additional intermediate element and the structural design of the support element require, however, additional manufacturing and assembly technical effort.
  • guard rails are connected via distance brackets with the posts, with each tilting elements are incorporated between guard rail and spacer console.
  • the guardrail on the post by means of one or more springs resiliently held.
  • the impact element is an elongated leaf spring.
  • Another alternative provides as a baffle element before a coil spring.
  • a detachable attachment for existing steel sheet profiles roadside crash barriers to post is also from the DE 1 867 455 U out.
  • a rigid spacer tube or a strong compression spring for example in the form of a conical, screw or plate spring is integrated into the attachment.
  • the prior art also includes the embodiments, as in the KR 10 2010 0 077 866 A , of the CH 387 682 A or the DE 10 2006 001 980 A1 described.
  • US 2008/083914 A1 includes a vehicle restraint system for placement adjacent to a roadway of the prior art.
  • the vehicle restraint system has posts that can be fixed to the ground and a guardrail line extending along the posts from interconnected guardrails.
  • the guard rails are fixed by means of screw on the post.
  • a cone-shaped damping element is integrated.
  • the damping element is arranged together with a positioning element on the bolt of the screw connection.
  • the vehicle restraint system In an impact test according to DIN EN 1317-2 to obtain z. B. the containment level H1, the vehicle restraint system must pass the tests TB11 and TB42.
  • the vehicle restraint system For the TB11 acceptance test, the vehicle restraint system must withstand a car with a total mass of 900 kg and an impact speed of 100 km / h at an impact angle of 20 °.
  • the acceptance test TB42 requires the stopping of a truck with a total mass of 10 t, which drives against the vehicle restraint system at an impact speed of 70 km / h at a crash angle of 15 °.
  • the effective range W is a characteristic variable for the evaluation of a vehicle restraint system.
  • the effective range W is the distance between the traffic-facing side of the vehicle restraint system on roads and the maximum dynamic lateral position of each essential part of the system.
  • the invention is based on the prior art, the object of developing a generic vehicle restraint system such that it has an improved deformation behavior while maintaining the structural design and to increase the stoppage of the vehicle restraint system and this in particular for the containment level H1 to a range smaller W3 tougher ,
  • the vehicle restraint system has posts which can be fixed to the ground and safety barriers extending from the guardrails along the posts, preferably along the upper ends of the posts. Between a post and a protective barrier a support bracket is arranged. The guard rails and the support bracket are fixed by means of screw to the post, wherein in the screw at least one baffle element is incorporated.
  • the impact element is a conical annular disk.
  • the conical annular disk is a plate spring made of a steel material.
  • the annular disc is galvanized.
  • the deformation behavior and the energy absorption capacity of a vehicle restraint system according to the invention are significantly improved. Nevertheless, a proven simple construction can be maintained.
  • the deformation properties and the deformation behavior of the protective barrier strand are positively influenced by the impact element according to the invention such that a short-term buffering of peak loads takes place in the event of an impact.
  • the impact elements in the form of conical annular discs are loaded in an impact in the axial direction and take high forces with a small spring travel.
  • a slightly time-delayed detachment of the protective barrier from the post is achieved by the annular disk integrated in the screw connection in the event of a collision of a motor vehicle with the system. This leads to the advantageous effect that the forces acting on the vehicle restraint system during the impact longitudinal forces substantially from the horizontal guard rails or in the protective barrier strand and whose connection will be recorded.
  • the impact severity is reduced and the desired tension effect is ensured.
  • the impact element is plastically deformed in an impact.
  • the baffle element is first pressed in the lower area.
  • the support bracket tilts slightly towards the road and thus also the protective barrier.
  • the protective barrier dissolves from the post.
  • the impact element is arranged on the road side front of the post.
  • the baffle element according to the invention is incorporated between the post and the support bracket.
  • the opening side of the annular disc points to the roadway.
  • the conical annular disc is designed shell-shaped and points with the open side to the roadway, with the annular disc is supported on the back of the support bracket.
  • the impact element abuts with an outer bearing surface on the support bracket.
  • annular disc there may be more than just an annular disc incorporated in a screw connection. It is possible to form a disk package of individual annular disks. These can be layered in the same direction or alternating. In the same direction stratification, the spring force is increased. With alternating interior layering, the travel increases.
  • the vehicle restraint system according to the invention is particularly advantageous on buildings, such as bridges or bridgeheads or other a foundation, in particular a concrete foundation, having structures.
  • the posts are provided on the bottom side with mounting elements.
  • mounting elements are on the bottom feet or mounting plates joined to the posts.
  • the vehicle restraint system according to the invention can also be arranged along roadways in which the posts are rammed into the ground. Accordingly, the posts are designed for ramming in the ground.
  • the essential aspect of the invention are the conical annular discs, which are loaded in the axial direction. Upon impact, they dampen the load peaks and cause the effect sought according to the invention.
  • the integration of the impact elements in the form of conical annular disks leads to an improvement in the retention capacity and a reduction in the range of action.
  • ASI value can be reduced.
  • ASI stands for Acceleration Severity Index, meaning the "degree of in-vehicle acceleration”.
  • the ASI value represents an occupant safety index.
  • the ASE value already mentioned above has led to the conclusion that the vehicle restraint system according to the invention is classified as ASI A.
  • the value ASI A represents the best occupant safety. Specifically, an ASI value of 0.96 was achieved. This means that the ASI value has improved by 0.04 compared to comparable systems without impact element.
  • the conical annular discs which are used in the invention, are made of steel materials.
  • the annular disks have a disk thickness between 1.5 mm and 3.5 mm, in particular of 2.5 mm.
  • the annular disc has a disk thickness which corresponds to the wall thickness of a guardrail with a deviation of +/- 25%.
  • the baffle element has an outer diameter and the guardrail has a rear floor land.
  • the bottom land has a vertical length.
  • the outer diameter of the baffle element is in the ratio of between 1: 1 and 1: 3 relative to the vertical length of the bottom web sized. This measure also contributes effectively to support the desired energy absorption and deformation or buffer effect.
  • the annular disc can perform a pendulum-like movement under load or impact.
  • the pendulum movement supports the time-delayed detachment of the protective barrier from the posts.
  • the screw connection comprises a front cover flap, which bears against the guard rail on the roadway side.
  • the impact element has an outer diameter, wherein the outer diameter of the impact element and the vertical length of the cover plate in a ratio between 1: 1 and 1: 2, in particular 1: 1, 2 and 1: 1.5 are dimensioned.
  • the annular disc may have a measured in the longitudinal direction of the screw disc height, which is dimensioned between 2.5 mm and 6 mm.
  • the annular disc has a disc height between 3.5 mm and 4 mm. Practical experiments have led to advantageous results with ring disks having a disk height of 4 mm.
  • baffle element is pretensioned maximum hand-tight within the screw connection and the pretensioning is at most 10 Nm.
  • Another advantage of the solution according to the invention is that a subsequent upgrade to all existing systems with posts and guard rail construction without considerable effort is possible. This applies to all containment levels from N2 to H4B.
  • FIGS. 1 to 9 show a vehicle restraint system 1 in the design simple guard rail ESP, as for example, at the edge of a road used by motor vehicles FB on the ground B on a building BW mounted with a concrete foundation used.
  • the vehicle restraint system 1 consists of a protective barrier 2 of releasably juxtaposed and interconnected guard rails 3, 4 and the guard rail 2 supporting, in cross-section C-shaped post 5.
  • the posts 5 are provided with mounting elements 6 in the form of foot plates.
  • connecting elements 7, in particular bolts or screw anchors the posts 5 are fixed by means of the mounting elements 6 on the floor B or the building BW.
  • the guard rails 3, 4 are set at the upper end 8 of the post 5.
  • the end overlapping guard rails 3, 4 are connected by means of screw 9 together.
  • the attachment of the guard rails 3, 4 to the post 5 takes place with the interposition of intermediate profiles in the form of U-shaped support brackets 10 and 11 (see also FIGS. 6 and 8 ).
  • the guard rails 3, 4 and the support bracket 10, 11 are fixed by screw 12 to the post 5.
  • the screw 12 include threaded bolts 13, screw nuts 14 and a roadside front cover flap 15 and arranged on the back of the front web 16 of the post 5 rear cover flap 17.
  • the bolt 13 is through mounting holes 18 and 19 in the guard rails 3, 4 and Support brackets 10, 11 and a mounting hole 20 in the form of an elongated hole in the front web 16 of the post 5 out.
  • the front cover flap 15 and the rear cover flap 17 also have mounting openings 21 and 22, which are penetrated by the bolt 13.
  • FIGS. 6 to 9 show further that in the screw 12 a baffle element is incorporated in the form of a conical annular disc 23. Within the screw 12, the annular disc 23 is biased with a maximum of 10 Nm.
  • a protective barrier 3 in profile B (Bethlehem) is used.
  • the support bracket 10 in the design profile B as in the FIG. 3 as well as the Figures 5 and 6 can be seen, U-shaped configured with a vertically oriented web 24 and two thereof obliquely forward toward the protective barrier 3 projecting legs 25th
  • the support bracket 11 profile A according to FIG. 8 is U-shaped configured with a vertically oriented in the installed position web 26 and two thereof in the direction of the protective barrier 3 orthogonally projecting legs 27th
  • the guard rails 3, 4 and the support bracket 10, 11 are each fixed by means of a screw 12 to a post 5.
  • the baffle element is incorporated.
  • the baffle element is a conical annular disc 23, namely a plate spring. It can be seen that the annular disc 23 on the road-side front 28 of a post 5 is arranged.
  • the baffle element or the annular disc 23 is incorporated between post 5 and support bracket 10 and 11, wherein the concave opening side 29 of the annular disc 23 to the carriageway FB points.
  • This arrangement and the conical shape of the annular disc supports a voluntary pendulum movement of the guard rails 3, 4 and the guard rail 2 on the post 5 in the event of an impact.
  • the annular disc 23 is located with an outer bearing surface 30 on the support bracket 10, 11.
  • the back 31 of the annular disc 23 abuts the post 5.
  • the executed as an elongated hole mounting hole 20 in the front web 16 of the post 5 has a smaller width than height, so that the annular disc 23 is supported with its respect to the width of the mounting hole 20 protruding portions of the back 31 on the post 5.
  • a conical annular disc 23 can be seen in more detail in the illustrations of Figure 10a) to 10c ).
  • the annular disk 23 is made of a steel material and has a disk thickness t between 1.5 mm and 2.5 mm.
  • the annular disc 23 has a disk thickness t of 2.5 mm.
  • the pane thickness t corresponds to the wall thickness s of a protective barrier 3 or 4 +/- 25%.
  • the annular disk 23 has a disk height h, which is dimensioned between 2.5 mm and 6 mm. In practical Anfahr bathen an annular disc 23 was used with a disk height h of 4 mm.
  • the outer diameter d a of the annular disc 23 was 32.3 mm.
  • the inner diameter d i of the annular disk 23, measured at the inner opening 32, is 17 mm.
  • the front cover flap 15 is on the road side on the bottom web 33 of the protective barrier 3, 4 at.
  • the cover flap 15 has a vertical length l1.
  • the vertical length l1 of the front cover flap 15 is greater than the outer diameter d a of the annular disc 23.
  • the outer diameter d a of the annular disc 23 and the vertical length l1 of the cover flap 15 in a ratio between 1: 1 and 1: 2, in particular 1 : 1.2 and 1: 1.5, be measured.
  • outer diameter d a of the annular disc 23 to the vertical length l2 of the bottom web 33 of a protective barrier 3, 4 in a ratio between 1: 1 and 1: 3 dimensioned.
  • the tension band of the guard rail 2 is maintained at a very good retention of the containment level H1 and an area of action of W2 and an ASI A less than 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)

Claims (9)

  1. Système de retenue de véhicule destiné à être disposé à côté d'une chaussée, lequel présente des potelets (5) pouvant être fixés au niveau du sol (B) et un tronçon de glissière de sécurité (2) s'étendant le long des potelets (5) du côté de la chaussée, composé de glissières de sécurité (3, 4) reliées les unes aux autres, dans lequel un étrier de soutien (10, 11) en forme de U est disposé entre un potelet (5) et une glissière de sécurité (3, 4), dans lequel la glissière de sécurité (3, 4) et l'étrier de soutien (10, 11) sont fixés ensemble au niveau du potelet (5) au moyen d'un système d'assemblage par vissage (12), dans lequel au moins un élément d'impact se présentant sous la forme d'un disque annulaire (23) de forme conique, réalisé sous la forme d'une rondelle-ressort galvanisée en forme de coque, constituée d'un matériau en acier est incorporé dans le système d'assemblage par vissage (12), dans lequel le disque annulaire (23) est incorporé entre les potelets (5) et l'étrier de soutien (10, 11) et le côté d'ouverture (29) du disque annulaire (23) pointe, dans l'état monté, en direction de la chaussée (FB), caractérisé en ce que le disque annulaire (23) repose, sur son côté d'ouverture pointant en direction de la chaussée, par une surface d'appui (30) extérieure, côté arrière, donc au niveau d'un côté opposé à la chaussée, de l'étrier de soutien (10, 11).
  2. Système de retenue de véhicule selon la revendication 1, caractérisé en ce que le disque annulaire (23) est disposé sur le côté avant (28) situé côté chaussée du potelet (5).
  3. Système de retenue de véhicule selon la revendication 1 ou 2, caractérisé en ce que les potelets (5) présentent des éléments de montage (6) situés côté sol, dans lequel les éléments de montage (6) sont configurés aux fins de la fixation des potelets (5) sur des ouvrages de maçonnerie (BW).
  4. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 3, caractérisé en ce que les potelets sont configurés pour être enfoncés dans le sol.
  5. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 4, caractérisé en ce que le disque annulaire (23) possède une épaisseur de disque (t) entre 1,5 mm et 3,5 mm, en particulier de 2,5 mm.
  6. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 5, caractérisé en ce que le disque annulaire (23) possède une épaisseur de disque (t), et l'épaisseur de disque correspond à l'épaisseur de paroi (s) de la glissière de sécurité (3, 4) à +/- 25 %.
  7. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 6, caractérisé en ce que le disque annulaire (23) possède un diamètre extérieur (da), et la glissière de sécurité (3, 4) possède une entretoise au sol (33) arrière présentant une longueur verticale (12) de l'entretoise au sol (33), dans lequel le diamètre extérieur (da) du disque annulaire (23) présente par rapport à la longueur verticale (12) de l'entretoise au sol (33) une dimension selon un rapport entre 1:1 et 1:3.
  8. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 7, caractérisé en ce que le système d'assemblage par vissage (12) comprend une bride de couverture (15) avant, laquelle repose côté chaussée au niveau de la glissière de sécurité (3, 4), et le disque annulaire (23) possède un diamètre extérieur (da), dans lequel le diamètre extérieur (da) du disque annulaire (23) et la longueur verticale (l1) de la bride de recouvrement (15) présentent une dimension selon un rapport entre 1:1 et 1:2, en particulier entre 1:1,2 et 1:1,5.
  9. Système de retenue de véhicule selon au moins l'une quelconque des revendications 1 à 8, caractérisé en ce que le disque annulaire (23) possède, dans l'état monté, une hauteur de disque (h) mesurée dans la direction longitudinale du système d'assemblage par vissage (12), laquelle est comprise entre 2,5 mm et 6,0 m, en particulier entre 3,5 mm et 5,0 mm.
EP15169474.2A 2014-06-04 2015-05-27 Système de retenue de véhicule Active EP2952630B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15169474T PL2952630T3 (pl) 2014-06-04 2015-05-27 Układ powstrzymywania pojazdów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014107874.8A DE102014107874A1 (de) 2014-06-04 2014-06-04 Fahrzeugrückhaltesystem

Publications (2)

Publication Number Publication Date
EP2952630A1 EP2952630A1 (fr) 2015-12-09
EP2952630B1 true EP2952630B1 (fr) 2017-02-22

Family

ID=53365777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15169474.2A Active EP2952630B1 (fr) 2014-06-04 2015-05-27 Système de retenue de véhicule

Country Status (4)

Country Link
EP (1) EP2952630B1 (fr)
DE (1) DE102014107874A1 (fr)
ES (1) ES2621081T3 (fr)
PL (1) PL2952630T3 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199306B (de) * 1962-01-02 1965-08-26 Neher Maschf A Befestigung der Holme von Strassenrand-leitplanken
DE1867455U (de) * 1962-12-01 1963-02-21 Pass & Co Loesbare befestigung fuer aus stahlblechprofilen bestehende strassenrand-leitplanken an pfosten.
DE1959004A1 (de) 1969-11-25 1971-05-27 Josef Wertmann Vorrichtung zur Befestigung einer Strassenleitplanke an einem Pfosten
JPS61198317U (fr) * 1985-05-29 1986-12-11
DE20106675U1 (de) 2001-04-19 2001-06-21 Spig Schutzplanken Prod Gmbh Schutzplankenanordnung für von Bäumen oder vergleichbaren Gegenständen gesäumte Fahrwege für Kraftfahrzeuge
US20080083914A1 (en) * 2004-07-19 2008-04-10 Ochoa Carlos M Posts and release mechanism for highway safety structures
DE102004039732A1 (de) 2004-08-17 2006-02-23 Man Roland Druckmaschinen Ag Farbdosierung durch Magnetkraft
DE102006001980A1 (de) * 2005-09-13 2007-03-22 Durabel Baubedarf Gmbh Verkehrs-Leit-Einrichtung
DE202006010573U1 (de) 2006-07-06 2006-09-07 Spig Schutzplanken-Produktions-Gesellschaft Mbh & Co. Kg Schutzplankenstrang aus Stahl
DE102008039850B3 (de) 2008-08-27 2010-03-25 Spig Schutzplanken-Produktions-Gesellschaft Mbh & Co. Kg Fahrzeugrückhaltesystem
KR101085888B1 (ko) * 2008-12-29 2011-11-23 황창조 가드레일의 충격감쇄 구조
PL2333159T3 (pl) 2009-12-03 2012-08-31 Volkmann & Rossbach Gmbh & Co Kg Konstrukcja bariery ochronnej

Also Published As

Publication number Publication date
EP2952630A1 (fr) 2015-12-09
ES2621081T3 (es) 2017-06-30
PL2952630T3 (pl) 2017-08-31
DE102014107874A1 (de) 2015-12-17

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