EP1767702B1 - System for protecting individuals from impacts against road guard rails - Google Patents

System for protecting individuals from impacts against road guard rails Download PDF

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Publication number
EP1767702B1
EP1767702B1 EP05780540A EP05780540A EP1767702B1 EP 1767702 B1 EP1767702 B1 EP 1767702B1 EP 05780540 A EP05780540 A EP 05780540A EP 05780540 A EP05780540 A EP 05780540A EP 1767702 B1 EP1767702 B1 EP 1767702B1
Authority
EP
European Patent Office
Prior art keywords
cladding
core
post
posts
attachment
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.)
Not-in-force
Application number
EP05780540A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1767702A1 (en
Inventor
Ramiro TARAZONA DE LA ASUNCIÓN
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.)
Taexpa SL
Original Assignee
Taexpa SL
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.)
Filing date
Publication date
Priority claimed from ES200401739A external-priority patent/ES2253993B1/es
Application filed by Taexpa SL filed Critical Taexpa SL
Publication of EP1767702A1 publication Critical patent/EP1767702A1/en
Application granted granted Critical
Publication of EP1767702B1 publication Critical patent/EP1767702B1/en
Not-in-force 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
    • E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/141—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands for column or post protection
    • 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

Definitions

  • This invention relates to a system for protecting persons, specifically motorists and cyclists, from impacts with road crash barriers as a result of an accident or a fall, or for any other reason.
  • the invention modifies the shape of the corrugated barrier rails and provides an impact-absorbing cladding around the posts supporting the said barrier rails.
  • the protection system according to the invention offers the special feature that it can absorb impacts from all directions (270o) and can also break down the impact into three or more stages (with progressively lesser to greater resistance), at the same time diverting the accident victim's body from its trajectory towards the post of a crash barrier as a result of an "eccentric rotation" of the material comprising the said protection system as a result of which oscillation or back and forth movement of the "swing" type is created.
  • the number of the said concentric rings should be three.
  • the deformable flexible material in those rings be preferably selected from the group of those in the nature of plastics.
  • Protective cladding 5 according to the invention may be manufactured by any normal processes, but use of the extrusion process is nevertheless preferred.
  • this invention also provides that the concentric rings extending from the posterior half of the core have a slightly oval configuration and are attached to each other by means of a plurality of radial reinforcing walls whose imaginary extensions converge at the centre of the core, in this case the external ring also being slightly thicker than the other inner rings. Because the rings surround the posterior half of the protective cladding according to the invention and these rings are joined together by means of radial walls, the impact resistance of the said cladding is increased and at the same time the required characteristics for absorbing such impacts are preserved. Furthermore, this protective cladding will fully recover its original configuration after it has been deformed as a result of an impact received. Likewise the use of radial reinforcing walls makes it possible to reduce the thickness of the said rings, with a consequent saving in material.
  • the opening housing the cladding on the supporting post is enclosed with steel supporting clamps which enclose the said cladding in clips provided for the purpose.
  • the desired greater security of attachment for the cladding can also be achieved by means of appropriate adhesive bonding.
  • the cladding of the protection system may also adopt any desired shape, for example a cylindrical or prismatic shape with a square, triangular, diamond, etc., transverse cross-section.
  • the core of the protective cladding has been designed with a transverse cross-section which is suitable for attachment for posts of channel or I cross-section, or any other configuration.
  • the core of the protective cladding of the invention is mounted therein through an intermediate coupling module which fits it.
  • barrier rails in the form of corrugated barrier rails 1 fixed to vertical supporting posts 2 anchored in the ground.
  • Barrier rail 1 has a curved upper part 3 to prevent cuts in the event of anyone falling onto it and has a series of protuberances 4 in a longitudinal direction to absorb and decelerate the velocity of the vehicle or person striking it, and also to reduce the rebound effect.
  • Post 2 supporting barrier rail 1 is provided with a cladding 5 comprising various rings 6, 6', 6" of variable thickness which are open on one side and manufactured of material which deforms flexibly, but recovers immediately, and which incorporates a housing 7 designed to fit the post through pressure and a clamping effect, the inner surface 8 of the said housing having teeth or better attachment to the said post.
  • a cladding 5 comprising various rings 6, 6', 6" of variable thickness which are open on one side and manufactured of material which deforms flexibly, but recovers immediately, and which incorporates a housing 7 designed to fit the post through pressure and a clamping effect, the inner surface 8 of the said housing having teeth or better attachment to the said post.
  • rings 6, 6', 6" may be of any number, it is preferred in the invention that there should be three.
  • any material satisfying the flexibility, deformability or shape recovery requirements specified by the invention may be used as the deformable flexible material for rings 6, 6', 6". Nevertheless it is preferred that this material should be one selected from the group of plastics.
  • the system according to the invention can be adapted to the various types of posts 2 in existence, such as posts having a channel, H, X, O, etc., cross-section. It is possible to apply the system according to the invention to street lights, traffic lights, etc. In this way, in addition to allowing easy and economical fitting to existing infrastructure, high impact energy absorption and an "eccentric rotation" deviating an impact against post 2 is achieved.
  • Figure 5 shows a second embodiment in which protective cladding 5 according to the invention is formed from a central core 8 which is open at its two extremities and is rounded off on its posterior external side by two flanges 11 opposite each other at right angles, designed to receive a short running attachment bar 12 to support the core on the post supporting the barrier rail (not illustrated).
  • This core 8 has damping surfaces attached to it in the form of concentric rings 6, 6', 6" which extend from the posterior part thereof and have a slightly oval configuration and are attached to each other by means of a plurality of radial reinforcing walls 13, the imaginary extensions of which converge at the centre 14 of core 8, the outer ring 6" being thicker than the other inner rings 6, 6'.
  • the number of cylindrical rings 6, 6', 6" is preferably three, although a different number of rings may be chosen if this is considered necessary.
  • Core 8 of protective cladding 5 has been designed with a transverse cross-section suitable for attachment to channel and I section posts or posts having any other configuration, provision being made in the event of the transverse cross-section of the post differing from the channel or I configuration or core 8 to be mounted therein by means of a coupling module fitting it (not shown in the drawing).
  • side walls 15 of core 8 of protective cladding 5 according to the invention have outwardly flared extremities 16 to receive the flanges of posts having an I transverse cross-section.
  • FIG. 5 illustrates seven radial reinforcing walls 13 in protective cladding 5 according to the invention, although these walls may be in any other number recommended by the circumstances of practical use.
  • the system according to the invention can adapt to the various impacts which occur on highways or roads with traffic in two directions. It may also be designed for a single direction, by varying the thicknesses, angles of rotation, radii, slots, projections, number of rings, etc., according to the materials used.
  • a significant factor in the protective system according to the invention is its ability to absorb impacts originating through an arc of 270°, as a result of which it is effective against impacts which it might receive from one direction or the other of the highway or road in which it is installed.
  • the system mentioned is designed to receive impacts over an arc of 270o (symmetrical system) on roads with traffic in two directions and is also especially designed to receive impacts originating from a single direction (asymmetrical system) in roads with one-way traffic.
  • a first advantage lies in the fact that the body impacting against cladding 5 on post 2 is deviated away from it, thus reducing the effects of the impact received by the accident victims.
  • Another advantage lies in the fact that the part of cladding 5 which absorbs most impact, as a result of its eccentric shape, lies in the trajectory of the impacts and breaks down the impact into a number of stages of different intensity (three stages in the case of the three rings 6, 6', 6" illustrated), decreasing the one maximum deceleration peak into as many lesser peaks.
  • a third advantage lies in the fact that the system according to the invention prevents direct impact with post 2 because of its "eccentric rotation" or tilting effect. To sum up, what is achieved through the protective system according to the invention is that the direct impact of an accident victim against post 2 is deviated into another less harmful direction.
  • cladding 5 has been illustrated in the drawings as having a generally cylindrical ring shape for a better understanding of the protective system according to the invention, it will be understood that the principle of impact displacement, absorption and diversion can also be applied to claddings having a square, triangular, diamond, etc., transverse cross-section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

Sistema de protección contra impactos de personas en guardarraíles de carreteras en el que la bionda de barrera tiene curvada su parte superior para evitar cortes en caso de caída sobre ella y lleva protuberancias para absorber y decelerar la velocidad del vehículo o persona accidentado, y el poste (2) de soporte de la bionda está provisto de un revestimiento (5) que está formado por varios aros concéntricos (6, 6', 6') de espesor variable y realizados en material flexible deformable, pero con recuperación inmediata, y que contiene un alojamiento (7) destinado a ajustarse al poste (2) por presión y efecto de pinza y complementariamente por algún sistema de abroche. La invención es útil para evitar lesiones y/o mutilaciones en motoristas y ciclistas.
EP05780540A 2004-07-15 2005-07-06 System for protecting individuals from impacts against road guard rails Not-in-force EP1767702B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200401739A ES2253993B1 (es) 2004-07-15 2004-07-15 Sistema de proteccion contra impactos de personas en guardarrailes de carreteras.
ES200500422A ES2258925B1 (es) 2004-07-15 2005-02-24 Mejoras introducidas en el objeto de la patente principal n.200401739 por: sistema de proteccion contra impactos de personas en guardarrailes de carreteras.
PCT/ES2005/000385 WO2006018458A1 (es) 2004-07-15 2005-07-06 Sistema de protección contra impactos de personas en guardarraíles de carreteras

Publications (2)

Publication Number Publication Date
EP1767702A1 EP1767702A1 (en) 2007-03-28
EP1767702B1 true EP1767702B1 (en) 2010-09-29

Family

ID=35907239

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05780540A Not-in-force EP1767702B1 (en) 2004-07-15 2005-07-06 System for protecting individuals from impacts against road guard rails

Country Status (2)

Country Link
EP (1) EP1767702B1 (es)
WO (1) WO2006018458A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2259569B1 (es) * 2005-09-28 2007-06-16 Loncar, S.L. Soporte laminar para absorcion de impactos por choques de humanos.
DE102007048095A1 (de) * 2007-10-05 2009-04-23 Heintzmann Sicherheitssysteme Gmbh & Co. Kg Pfosten für einen Schutzplankenstrang
ES2332681B1 (es) * 2007-10-09 2011-01-10 Enrique Martinez Garcia Dispositivo de proteccion sobre barreras de seguridad en carreteras.
ES2362226B1 (es) * 2008-11-03 2012-05-10 Juan Fern�?Ndez Mochales Sistema de amortiguación de impacto sobre postes de sujeción de guardarrail.
CN102877665B (zh) * 2012-05-22 2015-02-25 哈尔滨工程大学 带有缓冲装置的岗亭
CN105484188B (zh) * 2015-12-29 2018-02-02 山东高速科技发展集团有限公司 一种防阻块和采用该防阻块的高度自适应的防护栏
CN105625227B (zh) * 2015-12-29 2018-01-09 山东高速科技发展集团有限公司 一种在撞击中提升高度的护栏高度自适应方法
CN106758991B (zh) * 2017-02-24 2020-11-27 重庆大丰交通设施制造有限公司 一种互通分流道防撞护栏

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244156A (en) * 1978-12-04 1981-01-13 Watts Jr Ridley Pole and piling protector
DE8431736U1 (de) * 1984-10-30 1985-01-31 Dammer, Hans, Dipl.-Ing., 4788 Warstein Schutzhuelle fuer strassenpfosten mit i-profil
US5123773A (en) * 1990-10-18 1992-06-23 Rose Enterprises Inc. Stand-alone highway barrier
ES1035536Y (es) * 1996-11-06 1998-06-01 Aceralia Transformados Sa Protector perfeccionado para postes de barreras de carretera.
FR2788796B1 (fr) * 1999-01-26 2001-05-18 Claude Alix Georges Pomero Dispositif de protection des motards contre les chocs sur supports de glissiere de securite
US6290427B1 (en) * 1999-02-16 2001-09-18 Carlos M. Ochoa Guardrail beam with enhanced stability
US6848989B2 (en) * 2001-05-30 2005-02-01 Kongo Kabushiki Kaisha Environmental improvement device for a storage body
ES2212724B1 (es) * 2002-07-16 2006-11-16 Alcoa Extrusion Navarra, S.L Amortiguador de impactos para columnas de vallas de carreteras.
ES2208119B1 (es) * 2002-11-28 2005-12-16 Tecus Plasticos, S.L. Protector de seguridad para barreras quitamiedos.
ES1056863Y (es) * 2004-02-27 2004-09-01 Martinez De Quel Arechavaleta Protector para poste de sujecion de guardarrail.

Also Published As

Publication number Publication date
EP1767702A1 (en) 2007-03-28
WO2006018458A1 (es) 2006-02-23

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