EP0228334B1 - Strassenleitplanken - Google Patents

Strassenleitplanken Download PDF

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Publication number
EP0228334B1
EP0228334B1 EP86430049A EP86430049A EP0228334B1 EP 0228334 B1 EP0228334 B1 EP 0228334B1 EP 86430049 A EP86430049 A EP 86430049A EP 86430049 A EP86430049 A EP 86430049A EP 0228334 B1 EP0228334 B1 EP 0228334B1
Authority
EP
European Patent Office
Prior art keywords
fish
poles
plate
crash barrier
plates
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
Application number
EP86430049A
Other languages
English (en)
French (fr)
Other versions
EP0228334A1 (de
EP0228334B2 (de
Inventor
Christian Gaillard
Thierry Papineschi
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.)
Francaise des Ets Gaillard Cie SA
Original Assignee
Francaise des Ets Gaillard Cie SA
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27251322&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0228334(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR8519226A external-priority patent/FR2592074B1/fr
Priority claimed from FR8605098A external-priority patent/FR2596783B2/fr
Priority claimed from FR8606497A external-priority patent/FR2600351B2/fr
Application filed by Francaise des Ets Gaillard Cie SA filed Critical Francaise des Ets Gaillard Cie SA
Priority to AT86430049T priority Critical patent/ATE46202T1/de
Publication of EP0228334A1 publication Critical patent/EP0228334A1/de
Publication of EP0228334B1 publication Critical patent/EP0228334B1/de
Application granted granted Critical
Publication of EP0228334B2 publication Critical patent/EP0228334B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes

Definitions

  • the present invention relates to road safety barriers.
  • Road safety barriers or barriers are known which are placed at the edges of roads and motorways to restrain vehicles which accidentally leave the road.
  • the safety barriers have one or more horizontal rails placed on posts fixed to the ground.
  • the beams are metal profiles and they are supported by metal posts.
  • Wooden safety barriers are also known which include one or more wooden beams supported by wooden posts.
  • Each stringer is formed of identical elements which are assembled end to end.
  • U.S. Patent 2,085,058 (WOOD) describes road safety rails or rails in which the beams have several wooden strips and cable loops which are engaged in grooves.
  • the adjacent ends of two heald members carry metal parts through which the cable loops pass and a bolt which crosses the metal parts and the cable loops serves to fix the heald on a post.
  • VAN EPPS U.S. Patent 1,493,088
  • U.S. Patent 3,989,226 (BURGESS) describes beams composed of planks which are joined end to end by two metal plates profiled in the shape of U and which are fixed on a post by a bolt.
  • Wooden slides are less expensive than metal slides and they fit better into the landscape.
  • the heddles must withstand a determined tensile force which is for example 200 KN and the problem to be solved is to carry out an end-to-end assembly of the heddles which does not run the risk of catching a vehicle which slides along a smooth and which resist the forces imposed by the regulations.
  • the invention relates to crash barriers intended to be placed along roads which comprise, in known manner, at least one horizontal wooden beam which is composed of elements which are assembled end to end and which are supported by wooden posts.
  • a heald which is composed of wooden logs, each having two ends and the adjacent ends of said logs are assembled end to end by means of two fishplates which are made of two rectangular metal plates, elongated and flat and which are placed on either side of said logs, in the horizontal plane passing through the axis of said logs and straddling the junction between two logs and said fishplates have several holes through which are engaged bolts which pass through said ribs and one of said logs and on each of which a nut is screwed.
  • each log has a longitudinal groove which is located on the side of the road and which has a width and a depth slightly greater than the width and the thickness of said metal plates and one of the two metal plates is housed at the inside said groove.
  • each splint comprises, on its internal face, spikes each comprising a pair of plates located in planes perpendicular to the plane of said splint and each spike is associated with one of said holes and is located in major part of the same side of said hole as the longitudinal center of the splint, so that the two plates of each stud penetrate into the log wood when the splint is in place and tighten the fibers of the wood, which has the effect of '' prevent the wood from bursting when a tensile force is exerted on the rail.
  • the two plates of each pair form an angle between 0 ° and 120 ° between them.
  • the free edge of each plate is a sharp edge.
  • the invention results in new crash barriers for roads and highways.
  • the safety barriers according to the invention which are composed of wooden logs have the advantage of being inexpensive and of fitting into mountain landscapes or in rustic environments more harmoniously than the usual metal slides.
  • the beams of logs of constant diameter according to the invention have the advantage that the vehicles which strike the slide easily slide along it until they stop or are returned to the road. , which reduces the severity of accidents.
  • the splices according to the invention provided on their internal face with plates parallel to the fibers of the wood or converging towards the through holes of the bolts, make it possible to effectively and relatively inexpensively prevent the wood from bursting under the action bolts when the slides are subjected to a significant tensile force.
  • the slides according to the invention comprise posts and log rails, preferably in logs of constant diameter, and the diameter of the posts is smaller than the diameter of the rails, so that in the event of impact, a certain number of posts break, absorbing the impact energy without the beam breaking.
  • the heald elements which are well held together by the ribs, remain assembled together, so that one avoids the risk of accidents due to boom sections which come off and which enter the accident vehicle or which are thrown onto the road.
  • the stringer deforms elastically under the effect of the shock and it remains suspended from the posts that have remained in place on either side of the accident site at substantially the same height above the ground.
  • the slides according to the invention are easy to repair after an accident and repairs are inexpensive.
  • Figures 1 and 2 show a section of road safety barrier according to the invention.
  • This slide comprises wooden posts 4 supporting a horizontal rail 3 which is composed of elements 3a assembled end to end.
  • the posts 4 and the heald elements 3a are wooden logs.
  • the heald elements are wooden logs having a constant diameter, for example a diameter of 16, 18 or 20 cm and a length between 1.5 m and 4 m.
  • the posts 4 are also wooden logs having a constant diameter of 12, 13 or 14 cm, which are therefore weaker than the heald elements, so that in the event of an impact, they break first. absorbing part of the impact energy.
  • the height above ground of the posts 4 is of the order of 80 cm, so that the beams are placed at the regulatory height of 70 cm above the ground.
  • the wooden logs that make up the beams and posts are injected, that is, they are treated with wood preservatives such as creosote or other equivalent liquids that are injected into the wood.
  • the adjacent ends of two logs are assembled end to end by means of two splices 1 a, 1 b which are flat metal plates of elongated rectangular shape.
  • the fishplates 1 a, 1 b are galvanized flat irons having a length of 500 to 1000 mm, a width of 60 to 80 mm and a thickness of 6 to 10 mm.
  • Each fishplate is pierced with several holes 2, for example four holes which are symmetrical two by two with respect to the middle of the fishplate.
  • the two fishplates 1 a, 1 b are placed on either side of the logs, in the horizontal plane passing through the axis of said logs and straddling the junction between two logs.
  • the two fishplates are fixed to each of the two logs by bolts 6 which each pass through the holes 2 of two fishplates located opposite one another and which pass through one of the logs and by a nut which is screwed on the part threaded bolt which is placed on the side opposite the road.
  • the bolts 6 are for example round head bolts and square flange having a diameter of 16 mm.
  • Figures 1 and 2 show a preferred embodiment in which each log has a longitudinal groove 7, which is located on the side of the road, along the generatrix of the log closest to the road.
  • the groove 7 has a width and a depth slightly greater than the width and the thickness of the metal plates 1 a, 1b b and the splint 1 b located on the side of the road is housed entirely inside the groove 7 , as well as the heads of the bolts 6 so that a vehicle which slides along the heald is not likely to catch on metal parts in relief with respect to the heald.
  • Figure 1 shows an example in which the groove 7 extends over the entire length of the logs for ease of manufacture.
  • each log can carry two aligned grooves which are situated at each of the ends of the log and whose length is slightly greater than half the length of a splint.
  • FIG. 2 represents a cross section along II-II of FIG. 1 passing through the axis of a post 4.
  • each log 3a is fixed to a post 4 by one of the bolts 6, which has a length sufficient to pass successively a splint 1b, a log 3a, a second splint 1a and the post 4.
  • An elastic washer 5 for taking up play is interposed between the rear splint 1a and a first nut 8b which is located between the post and the rear splint 1a.
  • a second nut 8a is screwed onto the rear end of the bolt 6 and bears against the post 4.
  • the heald is fixed to the posts 4 by bolts 22, the head of which is supported only on the rear splint 21 b.
  • the end of one of the logs has a housing for the head of the bolt 22.
  • the traction forces cause the bolts to engage between the fibers of the ron dins and burst them by an effect analogous to that of a wedge used to split wood.
  • the beams must withstand determined tensile forces, for example tensile forces of 200 KN, and the problem to be solved is to make assemblies between logs which resist these tension forces without causing the logs to burst.
  • Figures 3 and 4 show the perspective views of the internal face of a splint 1, according to the invention, that is to say of the face applied against the wood.
  • This face comprises means which are associated with each hole 2 and which are intended to tighten the fibers of the wood to prevent the bolt which passes through the hole 2 from causing the wood to burst.
  • FIG. 3 represents an embodiment in which the splint 1 comprises studs which are each constituted by a pair of metal plates 9a, 9b and 10a, 10b which are located in planes perpendicular to the plane of the plate 2.
  • Each stud is associated with a hole 2 and is placed in whole or in part on the side of the hole opposite the end of the nearest plate 1, that is to say between the holes 2 and the middle of the plate 1, that is to say the middle in the longitudinal direction.
  • the two plates of each crampon converge towards each other towards the end of the nearest plate 1.
  • the pads of each stud are symmetrical with respect to the longitudinal axis x x1 of the plate 1.
  • the angle a that the two plates of each stud form between them is between 0 ° and 120 °.
  • FIG. 3 represents an example in which the point of convergence of the two plates 9a, 9b or 10a, 10b of each stud is close to the hole 2 which they frame.
  • the studs 9a, 9b and 1 Oa, 1 Ob may be slightly offset longitudinally relative to the position shown in FIG. 3 but in all cases, most of the pads are located relative to a hole 2 on the side from the longitudinal center of the plate 1.
  • the free edge 11 of the plates 9a, 9b and 10a, 1 Ob is a cutting edge which is bevelled or sharpened, so that it easily penetrates into the wood when the splint 1 is in place.
  • the plates 9a, 9b, 10a, 10b are flat irons having a length of 60 mm, a thickness of 2 to 6 mm and a height of 10 to 40 mm, which are welded on the back of each splice.
  • FIG. 4 represents an alternative embodiment in which the internal face of each splint 1 comprises four studs 12 each composed of a section of U-shaped profile, the core of which is welded or screwed to the internal face of the plate 1 and the two wings of which extend perpendicular thereto and parallel to the longitudinal axis x x1 of the plate 1.
  • FIG. 4 represents an example in which each stud is offset entirely towards the longitudinal middle of the plate 1 relative to the hole 2 with which it is associated.
  • each stud 12 can overlap the hole 2 and, in this case, the web of the profile is also pierced for the passage of the bolt.
  • Figures 5, 6 and 7 show one end of the slide according to the invention.
  • the left part of the figures represents the end of the horizontal rail 3 which is extended to the right by an inclined rail 13 which joins the ground and which is inclined for example by 10 ° to the horizontal.
  • the rails 3 and 3a are made of injected wooden logs of constant diameter and are supported by posts 4.
  • FIGS. 6 and 7 show, on a larger scale, the junction between the juxtaposed ends of the horizontal rail 3 and the inclined rail 13.
  • Each fishplate is made up of two sections.
  • the fishplate 14 located on the side of the road is composed of two sections 14a and 14b which each have two holes 2 for the passage of the fixing bolts of the fishplates on one of the logs.
  • One end 15 of the section 14a is folded twice, so that it is superimposed on the end of the section 14b.
  • the splint 16 located on the side opposite the road is composed of two sections 16a and 16b and one end 17 of the section 16a is folded twice and is superimposed on the end of the section 16b.
  • the ends 15 and 17 as well as the ends of the sections 14b and 16b are pierced with a hole through which passes an assembly bolt 18 which is engaged in the empty space between the adjacent ends of the two logs due to the inclination of the log 13 and which passes through the post 4 situated at the junction between the end of the horizontal rail and the start of the inclined rail.
  • a nut 19 is screwed onto the threaded end of the bolt 18, located at the rear of the post and it cooperates with a washer 20 pressed against the post 4.
  • each splint is hinged together, which makes it possible to vary the angle of inclination of the inclined slide.
  • FIGS. 6 and 7 Dotted lines in FIGS. 6 and 7 have been shown spikes 12 according to FIG. 4, which are anchored in the wood to prevent it from bursting.
  • the sections 14a and 14b of the splint 14, located on the side of the road, are placed in a groove 7.
  • FIG. 8 represents a horizontal section passing through the axial horizontal plane of the logs of a section of slide according to the invention placed along a curve of the road. We see in this figure two adjacent logs 3a, 3b, which form an angle between them.
  • each fishplate 21 a, 21 b has four holes for the passage of four bolts 6, which each pass through two fishplates and one of the logs.
  • the splint 21 a and the heads of the bolts located on the side of the road are housed in a groove 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Fencing (AREA)
  • Road Paving Structures (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Claims (11)

1. Leitplanke für Straßen des Typs umfassend mindestens eine horizontale Holzreling (3), die aus Elementen (3a) zusammengesetzt ist, welche stumpf aneinandergefügt und von Holzpfosten (4) getragen sind, dadurch gekennzeichnet, daß die Reling aus Rundhölzern (3a) zusammengesetzt ist, welche jeweils zwei Enden haben, und die aneinanderstoßenden Enden der Rundhölzer mittels zweier aus zwei rechteckigen, länglichen und planen Metallplatten bestehenden Schienen (1 a, 1 b) stumpf aneinandergefügt sind, welche Schienen beiderseits der Rundhölzer in der horizontalen, durch die Achse der Rundhölzer gehenden Ebene und die Verbindung zwischen zwei Rundhölzern übergreifend angeordnet sind, und mehrere Löcher aufweisen, durch welche diese Schienen und eines der Rundhölzer durchsetzende Bolzen (6) eingesetzt sind, auf denen je eine Mutter aufgeschraubt ist.
2. Leitplanke nach Anspruch 1, dadurch gekennzeichnet, daß jedes Rundholz (3a) eine Längsnut (7) aufweist, die sich auf der Seite der Straße befindet und eine Breite und Tiefe etwas größer als die Breite und Tiefe der Metallplatten hat, und eine der beiden Metallplatten (1b) innerhalb der Nut (7) gelagert ist.
3. Leitplanke nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß jede Schiene an ihrer Innenseite Klemmen aufweist, die jeweils ein Paar in zur Ebene der Schiene senkrechten Ebenen befindlicher Plättchen (9a, 9b ; 10a, 10b) umfaßt, und daß jede Klemme einem der Löcher (2) zugeordnet ist und sich zum Großteil auf derselben Seite des Lochs (2) wie der Längsbereich der Schiene befindet, so daß die beiden Plättchen jeder Klemme in das Rundholz eindringen, wenn sich die Schiene an Ort und Stelle befindet, und die Holzfasern zusammendrängen, wodurch vermieden wird, daß das Holz zersplittert, wenn eine Zugkraft auf die Reling ausgeübt wird.
4. Leitplanke nach Anspruch 3, dadurch gekennzeichnet, daß die beiden Plättchen jeder Klemme miteinander einen Winkel (a) zwischen 0° und 120 0 einschließen.
5. Leitplanke nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß der freie Rand ( 1 1 ) jedes Plättchens eine scharfe Kante ist.
6. Leitplanke nach Anspruch 4, dadurch gekennzeichnet, daß jede Klemme aus zwei Plättchen (9a, 9b, 10a, 1 Ob) gebildet ist, die zueinander in Richtung zum nächsten Ende der Schiene (1) konvergieren und in bezug auf die Längsachse (x x 1 ) der Schiene symmetrisch sind.
7. Leitplanke nach Anspruch 3, dadurch gekennzeichnet, daß jede Klemme durch ein U-förmiges Profil (12) gebildet ist, dessen Steg am Rücken der Schiene befestigt ist und dessen Schenkel parallel zur Längsachse (x x1) der Schiene verlaufen.
8. Leitplanke nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Anschluß zwischen zwei Rundhölzern, der einerseits durch ein Ende einer horizontalen Reling (3) und anderseits durch den Beginn einer geneigten Reling (13) gebildet ist, zwei Schienen (14, 16) umfaßt, die jeweils aus zwei Abschnitten (14a, 14b und 16a, 16b) bestehen, welche auf einem Bolzen (18) angelenkt sind, der in den freien Raum zwischen den beiden Rundhölzern reicht und durch einen hinter der Verbindung zwischen zwei Rundhölzern angeordneten Pfosten (4) ragt.
9. Leitplanke nach einem der Ansprüche 1 bis 7, die entlang einer Straßenkurve aufgestellt ist, dadurch gekennzeichnet, daß sie aus Rundhölzern (3a, 3b) zusammengesetzt ist, deren Länge je nach dem Kurvenradius der Kurve variiert und die mittels zweier Schienen (21 a, 21 b) aneinandergefügt sind, welche in einem Winkel (ß), der je nach dem Krümmungsradius der Kurve variiert, abgebogen sind.
10. Leitplanke nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Reling mit einem Bolzen (22) auf je einem Pfosten (4) befestigt ist, wobei der Bolzen durch den Pfosten durchgeht und sein Kopf auf der der Straße gegenüberliegenden Seite befindlichen Schiene (21 b) aufliegt.
11. Leitplanke nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die die Pfosten (4) und die Relingelemente (3a) bildenden Rundhölzer einen konstanten Durchmesser haben und der Durchmesser der Pfosten (4) kleiner als der Durchmesser der Relingelemente ist.
EP86430049A 1985-12-23 1986-12-05 Strassenleitplanken Expired - Lifetime EP0228334B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86430049T ATE46202T1 (de) 1985-12-23 1986-12-05 Strassenleitplanken.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR8519226A FR2592074B1 (fr) 1985-12-23 1985-12-23 Dispositif de construction et d'assemblage de glissieres ou barrieres de securite en bois
FR8519226 1985-12-23
FR8605098 1986-04-08
FR8605098A FR2596783B2 (fr) 1985-12-23 1986-04-08 Dispositif d'assemblage de glissieres ou barrieres de securite en bois
FR8606497A FR2600351B2 (fr) 1985-12-23 1986-05-02 Dispositif d'assemblage de glissieres ou barrieres de securite en bois
FR8606497 1986-05-02

Publications (3)

Publication Number Publication Date
EP0228334A1 EP0228334A1 (de) 1987-07-08
EP0228334B1 true EP0228334B1 (de) 1989-09-06
EP0228334B2 EP0228334B2 (de) 1995-08-09

Family

ID=27251322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86430049A Expired - Lifetime EP0228334B2 (de) 1985-12-23 1986-12-05 Strassenleitplanken

Country Status (6)

Country Link
US (1) US4722513A (de)
EP (1) EP0228334B2 (de)
CA (1) CA1277860C (de)
DE (1) DE3665493D1 (de)
ES (1) ES2010192T5 (de)
GR (1) GR3000193T3 (de)

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ATE518991T1 (de) * 2005-01-20 2011-08-15 Spig Schutzplanken Prod Gmbh Leitschwellenstrang zur fahrwegsbegrenzung
GB2428725A (en) * 2005-08-02 2007-02-07 Corus Uk Ltd Roadside traffic barrier
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USD702366S1 (en) * 2012-01-30 2014-04-08 A-Fax Limited Pedestrian barrier

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FR2231817B1 (de) * 1973-06-01 1976-06-11 Cegedur
AT331838B (de) * 1974-09-02 1976-08-25 Vmw Ranshofen Berndorf Ag Verbindung fur das zur erde abgewinkelte ende von leitschienen
US3989226A (en) * 1975-09-08 1976-11-02 Burgess Allen L Post-mounted fence board support brackets
DE2606666C2 (de) * 1976-02-19 1982-03-18 Greimbau-Lizenz-Gmbh, 3200 Hildesheim Nagelplatte zum Verbinden von Holzbauteilen
DE2940809A1 (de) * 1979-10-09 1981-04-23 Heinrich Dipl.-Ing. Sion Stövhase Knotenblech fuer holzgitterkonstruktionen zur herstellung von hallenartigen bauten
FR2573105B1 (fr) * 1984-11-14 1987-04-24 Eynard Emile Glissiere de securite.

Also Published As

Publication number Publication date
US4722513A (en) 1988-02-02
ES2010192T5 (es) 1995-11-01
CA1277860C (en) 1990-12-18
ES2010192B3 (es) 1989-11-01
EP0228334A1 (de) 1987-07-08
DE3665493D1 (en) 1989-10-12
GR3000193T3 (en) 1990-12-31
EP0228334B2 (de) 1995-08-09

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