EP1870523A1 - Glissière de sécurité - Google Patents

Glissière de sécurité Download PDF

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Publication number
EP1870523A1
EP1870523A1 EP07002710A EP07002710A EP1870523A1 EP 1870523 A1 EP1870523 A1 EP 1870523A1 EP 07002710 A EP07002710 A EP 07002710A EP 07002710 A EP07002710 A EP 07002710A EP 1870523 A1 EP1870523 A1 EP 1870523A1
Authority
EP
European Patent Office
Prior art keywords
socket
post
section
safety barrier
convex portion
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.)
Withdrawn
Application number
EP07002710A
Other languages
German (de)
English (en)
Inventor
Aled Mon Roberts
Martin Batchelor
Michael Richard Lawrence
Lewis Collins
Christophe Bastien
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.)
Corus UK Ltd
Original Assignee
Corus UK Ltd
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 Corus UK Ltd filed Critical Corus UK Ltd
Publication of EP1870523A1 publication Critical patent/EP1870523A1/fr
Withdrawn legal-status Critical Current

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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
    • E01F15/0461—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
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
    • E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
    • 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
    • E01F15/0476—Foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/20—Posts therefor
    • E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like

Definitions

  • the present invention relates to safety barriers, of the type useful for roadside installation.
  • Safety barrier posts are commonly used alongside beams to form basic safety barrier assemblies for vehicle containment on trunk road and highways. Post can be installed in a number of formats
  • Driven posts are mechanically driven into the ground using appropriate equipment.
  • Surface mounted posts (aka plated posts) are commonly used on bridges, and are anchored on a hardened surface by means of a number of ground anchors bolted to legs at the bottom of the post.
  • Socketed posts are received in a socket formed in a concrete base by means of a sleeve made from steel, or any other material or forming method. In other formats, the post is cast directly into a concrete base.
  • Figure 1 shows a 'Z' profile in which the elongate post 10 has, in section, two fold lines 12, 14 running along the length thereof along which the formerly flat section is bent through approximately 135° in opposite directions.
  • the post takes, in cross-section, a Z shape offering good bending resistance in both planes.
  • This post is fitted into a rectangular shaped recess 16 which may be defined by a sleeve formed from a section of hollow rectangular stock.
  • Figure 2 shows a 'Sigma' profile.
  • the post 18 has a number of fold lines so that in section it takes up a Z shape, in this case with a serif-like lip at either end. Whilst this involves a greater number of folds and hence greater manufacturing expense, the total projected length of material in any one direction is greater and hence the post 18 offers a correspondingly greater resistance to bending.
  • An identical socket 16 is provided to receive the post 18.
  • Figure 3 illustrates an alternative post 20 formed with a C-channel profile.
  • Figure 4 shows that the channel 22 may be provided with lips 24, 26 along the section edge to provide additional rigidity.
  • the present invention seeks to improve on socketed designs. It therefore provides a safety barrier comprising at least one upright post supported in a socket, the cross-section of the post having at least one concavity, and the socket having a cross-section which includes a convex portion shaped to extend into the concavity when the post is fitted in the socket.
  • the post can be, for example, a folded section or a suitably shaped tube.
  • the convex portion of the socket cross-section preferably extends along the entire length of the socket, but (if desired) the socket can be formed with a cover including an aperture for receiving the post, which can provide the convex portion.
  • the lower end of the socket can be closed if desired.
  • the post can rest in the socket and (generally) need not be fixed thereto.
  • a suitable material for the post and/or the socket is steel.
  • the socket can be set in a concrete base or driven into a ground surface.
  • the present invention also relates to a socket for supporting a post of a safety barrier system, having a cross-section which includes a convex portion.
  • the convex portion is suitably shaped to extend into a concavity of a post fitted in the socket.
  • the present invention relates to a kit comprising such a socket and a post, the cross-section of the post having at least one concavity into which the convex portion of the socket is shaped to extend.
  • Figures 17 and 18 show horizontal sections through socketed post designs according to a third embodiment of the present invention, the post designs corresponding to the posts of figures 5 and 6.
  • This invention relates to socket shapes that follow the main post profile shape, or alternatively, partially close in upon the open section to increase the level of available contact between the post and the surrounding socket wall geometry.
  • Figures 7 to 11 show various configurations of a first embodiment of the invention.
  • FIGs 1 to 6 there are a number of known post sections that include a concavity into which the socket edges can project and which are well characterised in terms of their impact resistance. These are the Z, ⁇ , C and lipped C sections. I-sections have also been employed. Given that a novel barrier system requires potentially expensive crash testing, there is a preference in the field for familiar designs and thus the illustrated embodiments use the same Z, ⁇ , C, lipped C and I sections. However, it should be understood that other sections including a concavity are equally possible and that it is not a prerequisite that the section be one known at this time.
  • Figure 7 therefore shows, in cross-section, a Z-profile post 100 formed from a flat steel plate by imposing two longitudinal bends of 135° in mutually opposing directions.
  • the socket 106 in which the post 100 is received is formed in a closely similar Z shape, but with a small clearance 108 between the post and the socket walls to allow easy insertion.
  • the scope for deformation of the post within the socket is greatly reduced and after some deformation, the resistance of the post to removal from the socket is greatly increased.
  • a safety barrier incorporating such a post and socket will be able to absorb more energy from an impacting vehicle, which is preferable in order to minimise vehicle intrusion.
  • the socket can be formed in situ as a suitably shaped hole in a locally cast region of concrete or other material.
  • a mandrel of a suitable shape can be used to act as an imprint around which the concrete can be set. Greater accuracy in the clearance 108 can however be obtained by forming a socket as a prismatic shell of steel or other material, with the required cross-section. This can then be placed into the setting concrete, or driven into the ground, or otherwise retained in place.
  • Figure 8 shows the application of this invention to a ⁇ -profile post 110.
  • the concavity 112 into which the socket 114 can extend is more complex and dovetailed, thereby offering the potential for greater pull-out resistance.
  • Figure 9 shows a C-section post 116 which offers a simple rectangular concavity 118 and a socket 120 formed accordingly.
  • Figure 10 shows a lipped C-section post 122 which offers a dovetailed concavity 124 for the socket 126, as compared to the C-section post 116 of figure 9.
  • figure 11 shows an I-section post 123 which offers a simple concavity 125 for the socket 127, duplicated on either side.
  • FIGs 7 to 11 show the first embodiment of this invention, in which the socket closely follows the outline of the post subject only to a clearance 108. It is however not essential that every aspect of the shape and configuration of the post is reflected in the socket, as shown in the second embodiment of the invention illustrated in figures 12 to 16.
  • figure 12 shows a Z-profile post 150 which is, in principle, the same as that shown in figures 1 and 7, fitted in a socket 152 according to a second embodiment of the invention.
  • This socket 152 is largely of a Z-section, but the extreme concave angles of the Z are rounded for example at 154 thereby increasing the clearance 156 in these areas.
  • Figure 13 shows the second embodiment as applied to a ⁇ -section post 158. Again, the socket 160 has been rounded off in some areas so as to locally increase the clearance 162.
  • Figures 14 and 15 show a C-section post 164 and a lipped C-section post 166 respectively, each fitted into a corresponding socket 168, 170.
  • Figure 16 shows the second embodiment as applied to a I-section post 159. Again, the socket 161 has been rounded off in some areas so as to locally increase the clearance 163.
  • Figures 17 and 18 show a third embodiment, being the application of the invention to a closed section profile.
  • Figure 17 shows a rectangular section post 172.
  • the concavity present in its section is the interior 174 of the post section.
  • the invention proposes that the socket be formed with a corresponding albeit smaller rectangular section 176 that fits within the interior of the rectangular section post 172.
  • Figure 18 shows a corresponding design to that of figure 17, using a circular section post 180.
  • a smaller circular section 182 fits within the post 180 in a similar manner.
  • An optional external socket 184 is also shown.
  • the shaped pattern of the socket can go all the way or partially along the length of the socket.
  • alternative socket designs are possible where a solid plate is connected to the top, bottom or intermediate height of a rectangular or circular socket void, in which the plate has a similar shape.
  • the post shape can be any open or closed section of any proportion, thickness or post length.
  • Posts of this type are not normally mechanically connected to their respective sockets, but could be.
  • the socket material would usually be steel, but could be a polymer or any other material. Alternatively, a former could be used to cast a shaped concrete recess in the ground.
  • Socket or post profiles can be assembled from one or more component parts, connected together by one of a number of connection methods including welding, friction fit, gluing, riveting or any other form of connectivity or assembly.
  • the socket can be capped at its base, or alternatively open ended both ends.
  • Bottom end caps can take the form of welded plates, plastic caps or simple taped up ends, or indeed any other form.
  • Sockets can be cast in concrete or within a concrete base. Alternatively, sockets can be designed to be driven or installed in the ground without a requirement for supporting concrete.
  • the inner sections 176, 182 of the sockets shown in figures 17 and 18 may be hollow (as shown) or may be filled. If filled, this can be by providing a solid section of the appropriate external shape, or by filling the interior of a hollow section with a suitable material such as a low density polyurethane foam.
EP07002710A 2006-02-09 2007-02-08 Glissière de sécurité Withdrawn EP1870523A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0602537A GB2435066A (en) 2006-02-09 2006-02-09 Safety barrier

Publications (1)

Publication Number Publication Date
EP1870523A1 true EP1870523A1 (fr) 2007-12-26

Family

ID=36119722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07002710A Withdrawn EP1870523A1 (fr) 2006-02-09 2007-02-08 Glissière de sécurité

Country Status (2)

Country Link
EP (1) EP1870523A1 (fr)
GB (1) GB2435066A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2628852A3 (fr) * 2011-12-15 2016-04-27 DAK Acelszerkezeti Kft. Structure pour une barrière routière de sécurité avec un poteau support et procédé pour sa installation.
RU190416U1 (ru) * 2019-04-22 2019-07-01 Александр Валерьевич Чкалин Дорожное барьерное ограждение

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2469274A (en) * 2009-04-06 2010-10-13 Hill & Smith Ltd Road safety fence post

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104265A (en) * 1991-04-30 1992-04-14 Halloran Jr Charles F Channel sign post socket and method of installing sign post
WO1994020686A1 (fr) * 1993-03-03 1994-09-15 Provex S.R.L. Dispositif pour l'ancrage de montants de barrieres de securite dans un sol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3827030C2 (de) * 1987-09-10 1995-08-10 Spig Schutzplanken Prod Gmbh Fahrwegseitenbegrenzung
AT500510B1 (de) * 1999-10-21 2007-01-15 Schwenniger Helga Vorrichtung zum befestigen von leitpflöcken, leitschienen und dergleichen
FR2804988B1 (fr) * 2000-02-11 2002-09-13 Clotex Dispositif de fixation de poteaux ou de piquets
GB0216513D0 (en) * 2002-07-17 2002-08-28 Baldwin Hodges Ireland Ltd Post mounting arrangement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104265A (en) * 1991-04-30 1992-04-14 Halloran Jr Charles F Channel sign post socket and method of installing sign post
WO1994020686A1 (fr) * 1993-03-03 1994-09-15 Provex S.R.L. Dispositif pour l'ancrage de montants de barrieres de securite dans un sol

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2628852A3 (fr) * 2011-12-15 2016-04-27 DAK Acelszerkezeti Kft. Structure pour une barrière routière de sécurité avec un poteau support et procédé pour sa installation.
RU190416U1 (ru) * 2019-04-22 2019-07-01 Александр Валерьевич Чкалин Дорожное барьерное ограждение

Also Published As

Publication number Publication date
GB2435066A (en) 2007-08-15
GB0602537D0 (en) 2006-03-22

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