WO2005075745A1 - L'invention concerne une protection pour les poteaux de support des barrieres routieres - Google Patents

L'invention concerne une protection pour les poteaux de support des barrieres routieres Download PDF

Info

Publication number
WO2005075745A1
WO2005075745A1 PCT/IT2005/000045 IT2005000045W WO2005075745A1 WO 2005075745 A1 WO2005075745 A1 WO 2005075745A1 IT 2005000045 W IT2005000045 W IT 2005000045W WO 2005075745 A1 WO2005075745 A1 WO 2005075745A1
Authority
WO
WIPO (PCT)
Prior art keywords
safety protection
protection according
ribs
inside wall
front opening
Prior art date
Application number
PCT/IT2005/000045
Other languages
English (en)
Inventor
Stefano Piovani
Original Assignee
Stefano Piovani
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
Application filed by Stefano Piovani filed Critical Stefano Piovani
Publication of WO2005075745A1 publication Critical patent/WO2005075745A1/fr

Links

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
    • E01F15/0469—Covers, e.g. of ground surface around the foot

Definitions

  • the invention relates to a safety protection for accident prevention, associable to the supporting posts of road barriers, such as guardrail barriers.
  • side barriers are installed along roads, such as the well-known guardrail barriers, made with beam elements fixed on supporting posts.
  • a typical guardrail barrier is made essentially with a "W" beam, supported by steel posts about 1 to 2 m high, generally having a C- or U- cross section.
  • Such barriers are efficient in preventing vehicles from falling off the road, and from the very dangerous event of jumping into the opposite carriageway.
  • the purpose of the invention is to solve the above problems, that is to reduce the danger represented by supporting posts of existing road barriers and guardrails, in particular for cyclists and motorcyclists, without the need of replacing said barriers. More in detail, a purpose of the invention is to protect weak users, like cyclists and motorcyclists, from the risk of an impact against the sharp edges of the supporting posts. Another purpose is to provide the supporting posts with a certain shock absorbing capability, in order to reduce to a minimum their dangerousness. Then, a further aim of the invention is to provide a cost-effective and practical solution to the above stated problem.
  • a safety protection applicable to a supporting post of a road barrier, said safety protection having a body made of an elastic deformable material, with a cylindrical development and an open-ring cross section providing a longitudinal front opening, by means of which said body can be fitted to embrace said supporting post of the road barrier.
  • a body with a "cylindrical development” is to be intended in a general way, that is a cylindrical or prismatic body, with a circular or generally curved cross section and a continuous side surface, or even a polygonal section with a side surface made of a plurality of faces.
  • the body has preferably a portion with a reduced stiffness, opposite to the front opening and substantially acting as an elastic hinge.
  • said body essentially comprises an inside wall and an outside wall, that are joined together in correspondence of the front opening.
  • the inside wall and outside wall are preferably cylindrical, coaxial and with a substantially circular section.
  • the inner wall may be provided with teeth extending towards the central axis of the body.
  • the inside wall and outside wall are linked by radial ribs, that may be straight or curved, which reinforce the structure of the body but, at the same time, allow its elastic deformation for absorbing the energy of a shock.
  • the preferred material is a plastic material, for example high density polyethylene (HDPE).
  • HDPE high density polyethylene
  • the protection is easy to install on the supporting posts of existing guardrail barriers. Embracing the supporting post, the protection covers the sharp edges and prevents from direct hits against them; moreover, the body of the protection has a structure that allow elastic deformation and shock absorption capability, that is a crucial factor in case of an accident.
  • Fig. 1 shows a safety protection according to a preferred embodiment of the invention, fitted on a C-shaped post
  • Fig. 2 is a cross section of the protection of Fig. 1 ;
  • Fig. 1 shows a safety protection according to a preferred embodiment of the invention, fitted on a C-shaped post
  • Fig. 2 is a cross section of the protection of Fig. 1 ;
  • Fig. 1 shows the safety protection fitted on a post B like those of common guardrail barriers.
  • the protection comprises a body 1 with a cylindrical development, made of an elastically deformable material.
  • the body 1 has an open- ring cross section, as seen in Figs. 2 to 4, with a longitudinal front opening 5.
  • the body 1 comprises an outside wall 2 and an inside wall 3, joined together in correspondence of said front opening 5.
  • the enclosed drawings show embodiments wherein the outside wall 2 and inside wall 3 are made by cylindrical, coaxial surfaces, covering an angle close to 360°, and are joined by side portions 4. These side portions 4, depending on the radius, may be well recognizable, like those in Fig. 4, or may be smoothly joined and confused with the walls 2 and 3, like those in Fig. 3.
  • Other equivalent embodiments are possible, for example with the body ' 1 having a curvilinear cross section or a polygonal (e.g. octagonal) cross section; in this last case, the inside wall 3 and outside wall 2 are each made by a plurality of plane faces.
  • the body 1 has preferably a portion with a reduced stiffness, much less compared to the stiffness of the rest of the body itself, thereby acting as an elastic hinge.
  • the preferred position of this low-stiffness portion is opposite to the front opening 5.
  • the low-stiffness portion is obtained with a solution of continuity 6 of the inside wall 3; as an alternative it may be obtained by a portion of the walls 2 and 3 with reduced thickness, or realizing the body 1 substantially with two halves joined by a strip, said strip being thin enough to bend easily.
  • the inside wall 3 comprises grasping teeth or reliefs 8, extending towards the axis of the body 1.
  • Walls 2 and 3 define an interspace 9, and are linked by a plurality of ribs 7 through said interspace 9.
  • the ribs 7 may have various shapes, the enclosed figures showing some examples: the more preferred shape is that of Figs. 1 and 2, wherein the ribs 7 have a substantially circular cross section; in the version of Fig. 3 the ribs 7 have a curved profile; in the version of Fig. 4 the ribs 7 are radial and straight.
  • the body 1 may be seen as two walls 2 and 3, defining the interspace 9 and joined together by tubular elements placed in said interspace 9 and tangent to the walls.
  • the ribs 7 reinforce the whole structure of the body 1 , but allow its deformation during a shock. Said ribs 7 act as elastic elements between the outside wall 2 and the inside wall 3, with a particularly good efficiency given by the embodiment of Figs. 1-2. In practice, ribs 7 realize an elastic suspension for the outside wall 2, which significantly improves the shock-absorption capability. For this reason, ribs 7 are preferably located so that, when the protection is installed on the post, they are aligned with the sharp edges of the post (see Fig. 1), where danger, in case of impact, is potentially greater, and the protection must offer the maximum shock-absorbing effect. Other features, not shown, include a reflector strip, that may be applied to the device or inserted in seats or cuts provided e.g.
  • the side portions 4 may comprise engaging means to secure the protection on the post.
  • Said engaging means may be of male-female type, or equivalent.
  • a preferred embodiment is shown in Fig. 5: a first tooth 10 is protruding from one of side portions 4, and engaged in a corresponding seat 11 provided on the other side.
  • the tooth 10 and seat 11 extend for about 1-2 cm in the axis' direction; one or even more teeth and corresponding seats may be provided.
  • the protection is preferably made of plastics, for example polyethylene. Recycled polyethylene may be used, for low cost and environmental advantage. As a preferred solution, the material is
  • the protection has a single-piece structure, that is the walls 2 and 3, the side portions 4, the ribs 7 and teeth 8 are integrally formed with the body 1.
  • the preferred process for realizing the protection is molding.
  • the tooth 10 and the elements forming the seat 11 when provided, are integrally formed with the body 1.
  • the invention can be realized in a variety of colours, thus achieving the further advantage of making the road barriers more visible to users. It can also be customized in many ways, becoming a sort of decoration item, mainly in urban environments. A plastic material adapted to reflect light may also be used, for better visibility in the dark.
  • the installation is as follows.
  • the sides 4 are widen apart, deforming in elastic manner the body 1 , and the protection is fitted to embrace the post B.
  • the solution of continuity 6 makes this operation much easier, as it reduces the stiffness of the body 1 without decreasing the general shock resistance.
  • the body 1 When released, the body 1 returns to its original shape and wraps the post B over an angle close to 360°, covering in particular the sharp edges that represent the most dangerous part.
  • the protection may be realized in one or more standard heights; to cover high or non-standard posts, a plurality of protections stacked one on the other may be used.
  • the invention is open to further variants concerning materials, shapes and dimensions, within the scope of the enclosed claims.

Landscapes

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

Abstract

L'invention concerne une protection de sécurité destinée à être installée sur les poteaux de support des barrières de routes. Cette protection de sécurité comprend un corps (1) de plastique qui présente un développement cylindrique et une section transversale en anneau ouvert comprenant une ouverture (5) frontale, de manière à permettre son installation autour du poteau (B) de support d'une barrière de route. Dans une forme de réalisation préférée, cette protection est formée principalement de deux parois (2, 3), reliées par des nervures (7) circulaires ou incurvées, présentant un comportement amortisseur adéquat en cas de choc. Cette protection est installée sur les barrières de routes existantes pour éviter que les cyclistes et les motocyclistes ne viennent heurter par accident les arêtes vives des poteaux d'acier.
PCT/IT2005/000045 2004-02-05 2005-01-31 L'invention concerne une protection pour les poteaux de support des barrieres routieres WO2005075745A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITCR20040005 ITCR20040005A1 (it) 2004-02-05 2004-02-05 Dispositivo antinfortunistico applicabile a palettti di sostegno di barriere stradali tipo guard-rail
ITCR2004A000005 2004-02-05

Publications (1)

Publication Number Publication Date
WO2005075745A1 true WO2005075745A1 (fr) 2005-08-18

Family

ID=34835561

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2005/000045 WO2005075745A1 (fr) 2004-02-05 2005-01-31 L'invention concerne une protection pour les poteaux de support des barrieres routieres

Country Status (2)

Country Link
IT (1) ITCR20040005A1 (fr)
WO (1) WO2005075745A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432181A (en) * 2005-11-09 2007-05-16 Robert Watt Pole cover
WO2012004445A1 (fr) * 2010-07-08 2012-01-12 Francisco Caro Morales Dispositif de protection contre les chocs de personnes sur les poteaux des glissières de sécurité routière
US20120043516A1 (en) * 2009-04-01 2012-02-23 Cellbond Limited Crash cushion for roadside object
ES2387725A1 (es) * 2009-10-16 2012-09-28 Jorge Oyanedel Neira Guardarraíl para la absorción de impactos en carretera.
EP2565134A1 (fr) 2011-09-02 2013-03-06 Damien Cuvelier Structure de protection d'un système de rayonnage
ITMN20120001A1 (it) * 2012-01-09 2013-07-10 Santo Denti Protezione di sicurezza per paracarro
WO2014001583A1 (fr) * 2012-06-29 2014-01-03 Almopaten, S.L. Dispositif de protection applicable aux montants des glissières de sécurité de routes
WO2013128249A3 (fr) * 2012-02-29 2014-06-12 Sabic Innovative Plastics Ip B.V. Système d'absorption d'énergie pour station de charge de véhicule électrique et procédés de fabrication et d'utilisation de ce système
GB2518228A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
GB2518227A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
GB2518229A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
US20150167311A1 (en) * 2013-12-18 2015-06-18 Zhejiang Huaxiajie Macromolecule Building Material Sheathing element for covering preexisting physical structures
US9130359B2 (en) 2012-03-06 2015-09-08 Sabic Global Technologies B.V. Energy absorbing system for electric vehicle charging station and methods for making and using the same
US9752291B2 (en) 2013-01-16 2017-09-05 Ridg-U-Rak, Inc. Upright protector
EP3216922A1 (fr) * 2016-03-08 2017-09-13 Jan Bockay Agencement de protection contre les chocs
US9986831B2 (en) 2013-09-16 2018-06-05 A-Fax Limited Structure protector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0726084A1 (fr) * 1995-02-13 1996-08-14 S.a.r.l. ATLEP. Dispositif de protection d'un élément tubulaire et élément ainsi obtenu
FR2788796A1 (fr) * 1999-01-26 2000-07-28 Claude Alix Georges Pomero Dispositif de protection des motards contre les chocs sur supports de glissiere de securite
WO2003002834A1 (fr) * 2001-06-29 2003-01-09 Sentry Protection Products, Inc. Appareil de protection pour piliers de structure
EP1382747A2 (fr) * 2002-07-16 2004-01-21 Alcoa Extrusion Navarra, S.L. Absorbeur de chocs pour poteaux de glissières de sécurité

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0726084A1 (fr) * 1995-02-13 1996-08-14 S.a.r.l. ATLEP. Dispositif de protection d'un élément tubulaire et élément ainsi obtenu
FR2788796A1 (fr) * 1999-01-26 2000-07-28 Claude Alix Georges Pomero Dispositif de protection des motards contre les chocs sur supports de glissiere de securite
WO2003002834A1 (fr) * 2001-06-29 2003-01-09 Sentry Protection Products, Inc. Appareil de protection pour piliers de structure
EP1382747A2 (fr) * 2002-07-16 2004-01-21 Alcoa Extrusion Navarra, S.L. Absorbeur de chocs pour poteaux de glissières de sécurité

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432181A (en) * 2005-11-09 2007-05-16 Robert Watt Pole cover
GB2432181B (en) * 2005-11-09 2008-12-10 Robert Watt Cover
US20120043516A1 (en) * 2009-04-01 2012-02-23 Cellbond Limited Crash cushion for roadside object
ES2387725A1 (es) * 2009-10-16 2012-09-28 Jorge Oyanedel Neira Guardarraíl para la absorción de impactos en carretera.
WO2012004445A1 (fr) * 2010-07-08 2012-01-12 Francisco Caro Morales Dispositif de protection contre les chocs de personnes sur les poteaux des glissières de sécurité routière
ES2372459A1 (es) * 2010-07-08 2012-01-20 Francisco CARO MORALES Dispositivo de protección contra impactos de personas en los postes de los guardarraíles de carreteras.
EP2565134A1 (fr) 2011-09-02 2013-03-06 Damien Cuvelier Structure de protection d'un système de rayonnage
ITMN20120001A1 (it) * 2012-01-09 2013-07-10 Santo Denti Protezione di sicurezza per paracarro
WO2013128249A3 (fr) * 2012-02-29 2014-06-12 Sabic Innovative Plastics Ip B.V. Système d'absorption d'énergie pour station de charge de véhicule électrique et procédés de fabrication et d'utilisation de ce système
CN104144815A (zh) * 2012-02-29 2014-11-12 沙特基础创新塑料Ip私人有限责任公司 用于电动车辆充电站的能量吸收系统以及用于制造和使用该系统的方法
KR102076024B1 (ko) 2012-02-29 2020-02-11 사빅 글로벌 테크놀러지스 비.브이. 전기 차량 충전 스테이션을 위한 에너지 흡수 시스템 및 그 제조 및 사용 방법
KR20190097282A (ko) * 2012-02-29 2019-08-20 사빅 글로벌 테크놀러지스 비.브이. 전기 차량 충전 스테이션을 위한 에너지 흡수 시스템 및 그 제조 및 사용 방법
US9130359B2 (en) 2012-03-06 2015-09-08 Sabic Global Technologies B.V. Energy absorbing system for electric vehicle charging station and methods for making and using the same
WO2014001583A1 (fr) * 2012-06-29 2014-01-03 Almopaten, S.L. Dispositif de protection applicable aux montants des glissières de sécurité de routes
US9752291B2 (en) 2013-01-16 2017-09-05 Ridg-U-Rak, Inc. Upright protector
GB2518227A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
GB2518229B (en) * 2013-09-16 2017-05-24 A-Fax Ltd Structure Protector
GB2518227B (en) * 2013-09-16 2017-05-24 A-Fax Ltd Structure protector
GB2518228B (en) * 2013-09-16 2017-05-24 A-Fax Ltd Structure Protector
US9986831B2 (en) 2013-09-16 2018-06-05 A-Fax Limited Structure protector
GB2518229A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
GB2518228A (en) * 2013-09-16 2015-03-18 A Fax Ltd Improved rack protector
US9133625B2 (en) * 2013-12-18 2015-09-15 Moulure Alexandria Moulding Sheathing element for covering preexisting physical structures
US20150167311A1 (en) * 2013-12-18 2015-06-18 Zhejiang Huaxiajie Macromolecule Building Material Sheathing element for covering preexisting physical structures
EP3216922A1 (fr) * 2016-03-08 2017-09-13 Jan Bockay Agencement de protection contre les chocs

Also Published As

Publication number Publication date
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