EP0677615B1 - Strassenleitplanke mit veränderbarer Gestalt und Aufprallenergiedissipationsmitteln - Google Patents

Strassenleitplanke mit veränderbarer Gestalt und Aufprallenergiedissipationsmitteln Download PDF

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Publication number
EP0677615B1
EP0677615B1 EP94830497A EP94830497A EP0677615B1 EP 0677615 B1 EP0677615 B1 EP 0677615B1 EP 94830497 A EP94830497 A EP 94830497A EP 94830497 A EP94830497 A EP 94830497A EP 0677615 B1 EP0677615 B1 EP 0677615B1
Authority
EP
European Patent Office
Prior art keywords
upright
barrier
base plate
slot
pin
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.)
Expired - Lifetime
Application number
EP94830497A
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English (en)
French (fr)
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EP0677615A1 (de
Inventor
Mario Tubosider Italiana S.P.A. Bonifacino
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.)
TUBOSIDER ITALIANA SpA
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TUBOSIDER ITALIANA SpA
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Publication of EP0677615A1 publication Critical patent/EP0677615A1/de
Application granted granted Critical
Publication of EP0677615B1 publication Critical patent/EP0677615B1/de
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
    • E01F15/0415—Metal rails with pivoting members

Definitions

  • the present invention relates to a variable configuration or geometry road barrier, including energy dissipating means.
  • guard-rails which usually comprise metal section members, affixed to upright associated with the ground near the road edges.
  • the document GB-A-1 066 988 discloses a road barrier having substantially the features of the preamble of claim 1.
  • the aim of the present invention is to overcome the above mentioned problem, by providing a variable configuration road barrier, which is adapted to provide a high dissipation of the impact energy, so as to prevent the vehicle from being subjected to high elastic reaction forces.
  • a main object of the present invention is to provide such a road barrier which can be assembled in a very simple and quick manner, which comprises a very reduced number of component parts, and which, moreover, is very reliable and safe in operation.
  • variable configuration road barrier having the features of the characterizing portion of Claim 1.
  • the first embodiment of the road barrier according to the present invention which has been shown in Figures 1 to 3 and has been generally indicated at the reference number 1, comprises an upright 2, vertically extending and being pivoted, near the bottom end portion thereof, to a base plate 3 which is affixed to the ground.
  • the upright 2 is provided, on the side thereof provided for facing the road surface, with means for connecting at least a barrier element 4.
  • the road barrier assembly further comprises a strut 5, which is arranged on the side of the upright 2 opposite to the road surface and being pivoted, at the top end portion thereof, to a middle region of the upright 2.
  • said strut 5 is pivoted, at the bottom end portion thereof, to a second base plate 3a which can be made as a single piece with the base plate 3 or, as is shown, it can consist of a separated element affixed, as the base plate 3, to the ground near the edges of the road.
  • the road barrier assembly owing to the pivoting of the upright 2 to the strut 5 and the pivoting of the latter to the base plates 3 and 3a, will have the configuration of a three-hinge arch.
  • the barrier assembly comprises means for varying, upon an impact, the useful length of the upright 2 and, more specifically, these upright length changing means comprise a pivot pin 6 which pivotably connects the upright 2 to the base plate 3.
  • the pin 6 passes through a slot 7 which is provided through the base plate 3 and extends along a direction with a vertical component.
  • energy dissipating means operating against this variation of the useful length of the upright.
  • said energy dissipating means substantially comprise elements adapted to provide a narrowing, to a size less than the diameter of the pivot pin 6, of the slot 7 at the region not occupied by the pin 6, as the upright 2 is in a rest condition, that is as it vertically extends without impacts exerted thereon.
  • the narrowing means comprise a dissipating plate 8 which is affixed, for example by welding, to the base plate 3, at the slot 7.
  • the end portion of the dissipating plate 8 facing the pin 6, as the upright 2 is under not stressed conditions, is provided with a cut-out or beveled portion 9, adapted to prevent the pin from locking as a motor vehicle impacts against the barrier.
  • the dissipating plate 8 can also be advantageously provided with a first portion 10 and a second portion 11 having mutually different thicknesses.
  • the first portion 10 has a thickness less than the thickness of the second portion 11, so as to provide an increasing energy dissipating effect, as the impact force increases.
  • the subject road barrier in its second embodiment, shown in Figures 4 to 6, and generally indicated at the reference number 21, comprises an upright 22 which vertically extends and is pivoted, near its bottom, to a base plate 23, affixed to the ground.
  • the upright 22, likewise the upright 2 of the first embodiment, is provided, on the side thereof provided for facing the road surface, with means for coupling at least a barrier 24, and is pivoted, on the side thereof provided for facing the opposite portion, with respect to the road surface, to a strut 25.
  • the strut 25 is pivoted, at the top end portion thereof, to a middle region of the upright 22 and is pivoted, at the bottom end portion thereof, to a base plate 23a which can be made as a single piece, or as a piece separated from the base plate 23.
  • the means for varying the useful length of the upright 22 comprise two assembled pieces of the same upright 22.
  • the upright 22 comprises a bottom portion 22a, pivoted to the base plate 23, and a top portion 22b, slidably associated, along a direction parallel to its longitudinal extension, with the bottom portion 22a.
  • the top portion 22b is connected to the bottom portion 22a by a pin 26, which is in turn coupled to the top portion 22b and passes through a slot 27, formed through the bottom portion 22a and extending along a direction with a vertical component.
  • the energy dissipating means comprise, in a like manner to that disclosed for the first embodiment, means for narrowing or throttling the slot 27, which, any stresses on the upright 22 being absent, will limit the size of the slot 27 portion not engaged by the pin 26, to a size less than the diameter of said pin 26.
  • the above mentioned limiting or narrowing means also in this second embodiment, comprise a dissipating plate 28, which is coupled to the bottom portion 22b of the upright 22, for example by welding, and being preferably constituted by two portions, indicated respectively at 30 and 31, having different thicknesses.
  • the end of the dissipating plate 28 facing the pin 26 is provided with a lead-in beveled portion.
  • variable configuration or geometry barrier including energy dissipating means, according to the present invention.
  • the upright 2, respectively 22 Upon an impact, the upright 2, respectively 22, will be caused to partially turn toward the outside of the road surface, and such a pivoting movement will be allowed exclusively by a variation of the useful length of the upright 2 respectively 22.
  • said variation of the useful length of the upright 2 or 22, can be performed, in the barrier, according to the present invention, only by causing the pin 6 or 26 to slide in the slot 7 or 27.
  • the construction of the dissipating plate 8, which comprises several sequential portions of mutually different thicknesses, will allow the barrier to provide a different performance, depending on the impact forces applied to the upright 2 or 22.
  • variable configuration or geometry safety barrier will fit its configuration or geometrical pattern depending on the impact energy, and will respond gradually by vertical and horizontal displacements which are controlled by the energy dissipating means associated to the barrier, which, after a dissipating operation, will operate as a safety limit means.
  • the subject barrier will provide a preset pattern of the forces acting on the bottom fixing or anchoring means of the barrier itself.
  • variable configuration or geometry road barrier including energy dissipating means, according to the present invention, fully achieves the intended aim and objects.
  • variable configuration road barrier which is specifically designed for preventing motor vehicles from being resiliently rejected from the barrier upon accidental impacts.
  • the used material as well as the contingent size and shapes, can be any, depending on requirements.
  • the subject barrier is adapted to absorb the greatest portion of the impact kinetic energy, as an impact occurs against said barrier, and this by providing such a resilient resistance effective to slow down the motion of the vehicle in a gradual manner.
  • the above disclosed sliding means upon achieving their limit position, will allow the subject barrier to provide a holding action on the motor vehicle preventing the latter from being ejected from the road.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Road Paving Structures (AREA)

Claims (12)

  1. Straßenleitplanke (1) mit veränderbarer Gestalt und Aufprallenergieverteilungsmitteln, wobei die Leitplanke eine Grundplatte (3) aufweist, die am Boden befestigt werden kann, wobei die Grundplatte einen schwenkbar mit der Grundplatte (3) verbundenen Pfosten (2) aufweist und an ihrer der Bodenoberfläche gegenüberliegenden Seite mit Mitteln zum Ankuppeln an ein Leitplankenelement (4) versehen ist, darüber hinaus an der der Leitplanke (1) gegenüberliegenden Seite des Pfostens eine Strebe (5) an dessen oberem Endteilstück am Pfosten (2) und an dessen unterem Endteilstück an der Grundplatte (3) schwenkbar angebracht ist, wobei der Pfosten (2) darüber hinaus zwischen seinem gegenüber der Strebe (5) schwenkbar angebrachten und seinem gegenüber der Grundplatte (3) schwenkbar angebrachten Bereich mit Mitteln zur Veränderung der nutzbaren Länge des Pfostens (2) versehen ist, um dem Pfosten eine teilweise Drehung im Verhältnis zur Grundplatte (3) in Richtung der Strebe (5) zu ermöglichen; wobei in der Nähe der die Pfostenlänge verändernden Mittel darüber hinaus Aufprallenergieverteilungsmittel vorgesehen sind, die der Längenveränderung des Pfostens (2) entgegenwirken,
    dadurch gekennzeichnet, daß
    die die nutzbare Länge des Pfostens verändernden Mittel einen Gelenkbolzen (6) aufweisen, der den Pfosten (2) schwenkbar mit der Grundplatte (3) verbindet und durch einen durch die Grundplatte (3) hindurchgehenden Schlitz (7) mit länglicher Konfiguration hindurchgeht, der sich entlang einer Richtung mit einem vertikalen Bauteil erstreckt, wobei die Aufprallenergieverteilungsmittel an einem Bereich des Schlitzes (7), der nicht von dem Gelenkbolzen (6) belegt ist, wenn sich der Pfosten in unbelastetem Zustand befindet, Mittel (8) zur Verengung des Schlitzes auf eine Größe aufweisen, die geringer als der Durchmesser des Gelenkbolzens ist; wobei die Verengungsmittel (8) so angepaßt sind, daß sie plastisch verformbar sind, um es dem Gelenkbolzen (6) zu ermöglichen, in den Schlitz (7) zu gleiten, wenn der Pfosten (2) so beansprucht wird, daß er sich teilweise um den Gelenkbolzen (6) in Richtung der Strebe (5) dreht.
  2. Straßenleitplanke nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die Verengungsmittel (8) eine an dem Schlitz auf der Grundplatte (3) angebrachte Verteilungs- bzw. Dissipationsplatte (8) umfassen.
  3. Straßenleitplanke nach den Ansprüchen 1 und 2,
    dadurch gekennzeichnet, daß
    die Verteilungsplatte (8) auf ihrer dem Gelenkbolzen (6) gegenüberliegenden Seite mit einem abgeschrägten Einführungsbereich (9) versehen ist.
  4. Straßenleitplanke nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die Verteilungsplatte (8) von ihrem dem Gelenkbolzen (6) gegenüberliegenden Ende ausgehend mit einem ersten Bereich (10) und einem zweiten Bereich (11) versehen ist, wobei der erste und zweite Bereich (10,11) unterschiedliche Dicken aufweisen.
  5. Straßenleitplanke nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    der zweite Bereich (11) der Verteilungsplatte (8) eine Dicke aufweist, die größer ist als diejenige des ersten Bereiches (10).
  6. Straßenleitplanke nach Anspruch 1,
    dadurch gekennzeichnet, daß
    die die nutzbare Länge des Pfostens verändernden Mittel einen Gelenkbolzen (26) umfassen, mit einem oberen Teil (22b) des Pfostens (22) verbunden, und in einer Längsrichtung gleitbar mit einem unteren Teil (22a) des schwenkbar mit der Grundplatte (23) verbundenen Pfostens (22) verbunden sind, wobei der Stift (26) durch einen durch den unteren Teil (22a) hindurch ausgebildeten Schlitz (27), der einen länglichen Schlitz entlang einer Richtung mit einem vertikalen Bauteil in einem Bereich aufweist, der nicht von dem Gelenkbolzen (26) belegt ist, wenn sich der Pfosten (22) in unbelastetem Zustand befindet, Mittel (28) zur Verengung des Schlitzes (27) auf eine Größe aufweist, die geringer als der Durchmesser des Stiftes (26) ist, wobei die Verengungsmittel (28) so angepaßt sind, daß sie federnd verformbar sind, um es dem Stift (26) zu ermöglichen, in den Schlitz (27) zu gleiten, wenn der Pfosten (22) so belastet wird, daß er sich teilweise um den Stift (26) in Richtung der Strebe (25) dreht.
  7. Straßenleitplanke nach einem oder mehreren der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, daß
    die Verengungsmittel (28) eine an dem Schlitz (27) auf dem unteren Teil (22a) des Pfostens (22) angebrachte Verteilungsplatte (28) umfassen.
  8. Straßenleitplanke nach einem oder mehreren der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, daß
    die Verteilungsplatte (28) auf ihrer dem Stift (26) gegenüberliegenden Seite mit einem abgeschrägten Einführungsbereich versehen, und mit dem oberen Teil (22a) des Pfostens (22) verbunden ist.
  9. Straßenleitplanke nach einem oder mehreren der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, daß
    die Verteilungsplatte (28) von ihrem dem Stift (26) gegenüberliegenden Ende ausgehend mit einem ersten Bereich und einem zweiten Bereich versehen ist, wobei der erste und zweite Bereich unterschiedliche Dicken aufweisen.
  10. Straßenleitplanke nach einem oder mehreren der Ansprüche 1 bis 7,
    dadurch gekennzeichnet, daß
    der zweite Bereich der Verteilungsplatte (28) eine Dicke aufweist, die größer ist als diejenige ihres ersten Bereiches.
  11. Straßenleitplanke nach einem beliebigen der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    sich die Geometrie der Straßenleitplanke (1) in Abhängigkeit von der Aufprallenergie verändert, wobei das in der Leitplanke vorhandene Aufprallenergieverteilungsmittel die Leitplanke dazu veranlaßt, sich in Abhängigkeit von dem Aufprall allmählich vertikal und horizontal zu verlagern, wobei das AufprallenergieVerteilungsmittel so angepaßt werden kann, daß es als Sicherheitsgrenzwertmittel fungiert.
  12. Straßenleitplanke nach einem beliebigen der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, daß
    die Leitplanke (1) so konzipiert ist, daß die auf das Bodenbefestigungsmittel der Leitplanke aufgebrachten Kräfte ein zuvor festgelegtes Muster annehmen.
EP94830497A 1994-04-14 1994-10-25 Strassenleitplanke mit veränderbarer Gestalt und Aufprallenergiedissipationsmitteln Expired - Lifetime EP0677615B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI940715A IT1270033B (it) 1994-04-14 1994-04-14 Barriera stradale a geometria variabile, con mezzi di dissipazione di energia
ITMI940715 1994-04-14

Publications (2)

Publication Number Publication Date
EP0677615A1 EP0677615A1 (de) 1995-10-18
EP0677615B1 true EP0677615B1 (de) 2001-04-18

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ID=11368597

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Application Number Title Priority Date Filing Date
EP94830497A Expired - Lifetime EP0677615B1 (de) 1994-04-14 1994-10-25 Strassenleitplanke mit veränderbarer Gestalt und Aufprallenergiedissipationsmitteln

Country Status (5)

Country Link
EP (1) EP0677615B1 (de)
AT (1) ATE200698T1 (de)
DE (1) DE69427118T2 (de)
ES (1) ES2157969T3 (de)
IT (1) IT1270033B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018063004A1 (en) * 2016-09-30 2018-04-05 Marine Aluminium As Flexibly resilient barrier

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010776C2 (nl) * 1998-12-10 2000-06-19 Tno Vangrailconstructie.
DE10345847A1 (de) * 2003-09-30 2005-04-14 TOGE-Dübel A. Gerhard KG Leitplanken-Pfosten
DE102004034999A1 (de) * 2004-03-10 2005-10-13 TOGE-Dübel A. Gerhard KG Leitplanken-Pfosten
FR2928941B1 (fr) * 2008-03-20 2011-06-24 Maussion Jacques De Poteau de glissiere de securite pour des voies de circulation de vehicules, telles que des routes, des autoroutes ou analogues
KR101036416B1 (ko) * 2010-07-21 2011-05-24 (주) 에스에스 가드레일의 지지구조
EP2439339A1 (de) 2010-10-06 2012-04-11 Lodzka Jednostka Badawcza EPAR Straßensperre mit veränderlicher Geometrie und Herstellungsverfahren dafür
HUP1200329A2 (en) 2011-12-15 2013-07-29 Gabor Tarany Road crash barrier structure with post installation method of the structure
AU2013234430B1 (en) * 2013-09-30 2014-04-10 Safe Direction Pty Ltd Post assembly
IT201800003101A1 (it) * 2018-02-27 2019-08-27 Volkmann & Rossbach Gmbh & Co Kg Barriera di sicurezza per l'arresto forzato di veicoli
CN112593767B (zh) * 2020-11-26 2021-12-10 中核华辰工程管理有限公司 一种建筑施工用防护装置

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
GB1066988A (en) * 1964-11-11 1967-04-26 Christiani & Nielsen Ltd Improvements in or relating to highway guard rail supports
DE1295581B (de) * 1966-03-23 1969-05-22 Siegener Ag Geisweid Fuer Eise Leitplanke fuer Strassen
AT372445B (de) * 1980-09-15 1983-10-10 Vmw Ranshofen Berndorf Ag Leitschienenstuetze mit gummidaempfungselement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018063004A1 (en) * 2016-09-30 2018-04-05 Marine Aluminium As Flexibly resilient barrier

Also Published As

Publication number Publication date
EP0677615A1 (de) 1995-10-18
ATE200698T1 (de) 2001-05-15
ITMI940715A0 (it) 1994-04-14
IT1270033B (it) 1997-04-28
ITMI940715A1 (it) 1995-10-14
ES2157969T3 (es) 2001-09-01
DE69427118D1 (de) 2001-05-23
DE69427118T2 (de) 2001-08-02

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