EP0311015A1 - Guard barrier structure - Google Patents

Guard barrier structure Download PDF

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Publication number
EP0311015A1
EP0311015A1 EP88116403A EP88116403A EP0311015A1 EP 0311015 A1 EP0311015 A1 EP 0311015A1 EP 88116403 A EP88116403 A EP 88116403A EP 88116403 A EP88116403 A EP 88116403A EP 0311015 A1 EP0311015 A1 EP 0311015A1
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EP
European Patent Office
Prior art keywords
sliding
guardrail
sliding threshold
threshold
tension band
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.)
Granted
Application number
EP88116403A
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German (de)
French (fr)
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EP0311015B1 (en
Inventor
Karl Urlberger
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SPS Schutzplanken GmbH
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SPS Schutzplanken GmbH
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Priority to AT88116403T priority Critical patent/ATE62035T1/en
Publication of EP0311015A1 publication Critical patent/EP0311015A1/en
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Publication of EP0311015B1 publication Critical patent/EP0311015B1/en
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    • 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
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/088—Details of element connection
    • 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
    • E01F15/025—Combinations of at least two of the barrier member types covered by E01F15/04 - E01F15/08, e.g. rolled steel section or plastic strip backed up by cable, safety kerb topped by rail barrier
    • 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
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
    • E01F15/085—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using metal

Definitions

  • the invention relates to a safety barrier device, which consists of detachably assembled, attachable to the traffic area and manufactured as finished parts, each consisting of a sliding threshold and at least one spaced therefrom, via posts or the like. connected and with their free ends anchored in the traffic area steel guardrail.
  • Such a guardrail device is known from DE-PS 30 36 227; in this device, the bell-shaped sliding threshold is composed of steel plates, the two side plates being connected by a continuous cover plate. This creates a substantially rigid hollow body, the outer surfaces of which are designed so that impacting vehicles run up on the sliding threshold and are deflected by the steel crash barrier.
  • the non-positive connection of the steel crash barrier as well as the formation of the bell-shaped sliding threshold in cross section and their connection to one another leads to a tension band effect in the event of a vehicle impact.
  • the invention has for its object to transfer the tension band effect of the steel guardrail or of its spars to the sliding threshold so that regardless of the possible impact force and its force application point is guaranteed with certainty that the sliding threshold bends together with the steel guardrail on impact and thus dodges parallel to the top of the road.
  • the sliding threshold has at least one tension band arranged offset with respect to the plane defined by the steel guardrail, which can be coupled, preferably non-positively, to the tension bands of the neighboring sliding thresholds and that the free ends of the continuous tension band are anchored in the traffic area are.
  • the sliding sleeper body essentially serves to prevent undesired additional vehicle damage from the lower drawstring on the one hand and to largely protect the driver from injuries on the other hand.
  • At least one tension band arranged on the side facing away from the carriageway can be arranged in or on the sliding threshold above the center of gravity.
  • Guardrail devices according to the invention are used at the edges of a carriageway or usually between two carriageways, e.g. during construction site operation.
  • two drawstrings are expediently provided in cross section in mirror image.
  • the slide rail is expediently designed as a hollow body or solid.
  • the drawstring e.g. a metal plate, a metal band, at least one rope, a metal rod or the like. in question.
  • the slide rail can be made of concrete or lightweight concrete, e.g. Gas concrete or polystyrene concrete, wood, plastic composite material, aluminum, recycling material e.g. of vehicle tires.
  • the posts or the like. the steel guardrail are expediently or the like on a plate which can be fastened in each case on the end face of the sliding threshold.
  • the plate or the like expediently lies on a plate attached in or on the sliding sleeper, which is held in the sliding sleeper with tie rods; the tie rods can be firmly connected to the tie, e.g. be welded.
  • the frictional connection of the tension band with the neighboring tension band is carried out by means of bolts, threaded spindles or the like; In this context it should be mentioned that a connection free of play is sought.
  • the sliding threshold is preferably provided at one end with a perpendicular recess, for example in the form of a wedge, and at the other end with a corresponding projection. Even if there is a direct connection between the sliding thresholds - with one exception of the drawstrings, of course - is not necessary, the above-described adjustment of the free ends of the individual finished parts can bring about a common displacement of the interconnected sliding sleeper bodies.
  • Sliding feet are preferably provided on the underside of the sliding threshold, the free edges of which are rounded parallel to the axis of the sliding threshold.
  • the aim of this is to ensure that the slide threshold does not tip slightly in the event of a vehicle impact and that its tilting edge sticks to the roadway, so that a avoidance of the slide threshold parallel to the roadway would be prevented.
  • a guardrail device 1 which is provisionally between two lanes - e.g. in the construction site area - consists of a sliding threshold 2 and a continuous steel guardrail 3.
  • This steel guardrail 3 is designed to the left of the drawing in the usual way and e.g. connected via post 4 to the ground or the edge of the traffic area or the carriageway.
  • a transition piece 5 of a sliding threshold is used at the transition point to site operation. This transition piece is firmly connected to the ground or to the top of the carriageway and also supports the ends of the drawstrings described below via an anchor 6.
  • the approximately triangular end piece 5 in longitudinal section carries, via posts 7, 8, the steel guardrail 3, which is thus designed as a continuous band and triggers the aforementioned tension band effect.
  • a standardized prefabricated part 9 connects to the end piece 5 and is described in more detail below.
  • Such a finished part is e.g. shown in Fig. 2 in the cross section.
  • the steel guardrail 3 is connected to the sliding threshold by means of posts 8.
  • Each post 8 has a base plate 10, which is in turn connected to a plate 11 provided on the end face of the sliding sleeper, for example with four screw bolts.
  • These bolts 11 can optionally be extended by tie rods 12, 13 approximately parallel to the side surfaces of the sliding sill.
  • Tension rods 14, 15, 16 and 17 run in the longitudinal direction of each prefabricated part, which - as described in more detail below - are connected to the corresponding tension rods of the neighboring prefabricated parts in a manner that is as force-fit as possible.
  • All four tension rods are subjected to a train impact, be it from one side of the road or from the other side of the road to train, the entire guardrail device being displaced on sliding feet 18, 19 parallel to the top of the roadway.
  • the known tension band effect of the steel guardrail is therefore also used in a similar form by the sliding threshold, although the dead weight of the sliding threshold must also be taken into account.
  • the sliding threshold itself is designed as a solid body and consists e.g. made of polystyrene concrete. However, e.g. so-called Recycled vehicle tires are used, although the sliding threshold may be covered with thin plates on the side walls.
  • one end of the sliding threshold is provided with a recess 20, while the other end has a corresponding projection, so that the finished parts can be easily pushed into one another and do not deflect individually in the event of a side impact.
  • the individual tension rods 14-17 have connection options at the joint between two prefabricated parts, as described below in connection with FIGS. 7 and 8, for example.
  • recesses 21 are provided in the area of the free ends of the tension rods in the sliding sleeper, so that a screw connection or non-positive connection between the ends of the tension strip of one prefabricated part and the ends of the tension strip of the neighboring finished part can be produced from the outside. These connections are detachable so that the individual finished parts can be reused.
  • the individual finished parts can be lengths of 2 m or e.g. Have 4 m; the seams of the sliding threshold should not in principle coincide with the seams of the steel guardrail, but an offset connection from sliding threshold to sliding threshold and steel guardrail to steel guardrail is aimed for.
  • the sliding feet of the sliding sleeper 2 can also be made continuous across the longitudinal axis of the sliding sleeper, the edges 22 and 23 being rounded. This is to prevent a sharp edge of the sliding feet from "clinging" to the ground after a vehicle impact when the guardrail device is moved and thus possibly lead to a tilting movement; this should be avoided in any case.
  • the guardrail device can deflect 40-50 cm, preventing the vehicle from being thrown back into the road, while in the event of a hard impact, it is possible to evade up to 1.20 m or more.
  • tension rods described steel strips or steel cables can of course also be used; However, it must be ensured that the connection of the tension bands in the area of the sliding threshold is so tight that the tension band as a continuous band in the event of an impact works and is not torn out of the end anchorages.
  • steel strips 30-32 are provided, which are accommodated upright in the respective sliding sleepers 2, so that their broad sides are perpendicular to the upper edge of the roadway.
  • a connection of such steel strips is shown, for example, in FIG. 8, the sliding threshold again being provided with cutouts 21 in the connection area. While e.g. one end of a steel sheet runs straight, the opposite end is bent, so that from finished part to finished part, e.g. Connections, as shown in Fig. 8 in plan view, are provided.
  • the connection is expediently carried out via at least four screw bolts. However, more bolts can of course also be provided.
  • the individual tie rods 16 ' are provided with end threads, which can be clamped together by a rotating spindle 35.
  • the sliding threshold 40 designed as a solid body can consist of any material; care must only be taken that this material causes as little damage to the body as possible in the event of a vehicle impact. As is known, the vehicle is plastically caught by the superimposed drawstring effect.
  • the sliding threshold 45 is in turn provided with a steel bar 46 and 47, respectively.
  • the plates 10, 11 of the post 8 are, however, connected to the foot plate 50 by long anchor rods 48, 49, so that a certain cross-sectional frame effect occurs, the steel bars 46 and 47 not having to be connected to this frame. It is also possible that such frames are outside the area of the posts, i.e. are provided in the sliding threshold, for example, at a distance of 70-80 cm, in which case the plate 11 is to be formed continuously, which also applies to the sliding feet 22.

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

Abstract

The barrier structure consists of releasably assembled single parts which are manufactured as prefabricated parts and can be placed on the traffic surface. These single parts consist of a sliding pedestal (2) and at least one steel crash barrier (3) which is at a distance from said pedestal, is connected by means of posts (8) or the like and is anchored at its free ends in the traffic area, the sliding pedestal (2) has at least one tensioning strip (14, 15) which is arranged on the side facing away from the road and can be connected in a non- positive manner to the tensioning strips of the adjacent sliding pedestals, the free ends of the continuous tensioning strip being anchored in the traffic area. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Schutzplankeneinrichtung, die aus lösbar zusammengesetzten, auf die Verkehrsfläche auf­setzbaren und als Fertigteile hergestellten Einzelteilen be­steht, welche jeweils aus einer Gleitschwelle und mindestens einer von dieser beabstandeten, über Pfosten o.dgl. verbundenen und mit ihren freien Enden in der Verkehrsfläche verankerten Stahlleitplanke bestehen.The invention relates to a safety barrier device, which consists of detachably assembled, attachable to the traffic area and manufactured as finished parts, each consisting of a sliding threshold and at least one spaced therefrom, via posts or the like. connected and with their free ends anchored in the traffic area steel guardrail.

Eine derartige Schutzplankeneinrichtung ist aus der DE-PS 30 36 227 bekannt; bei dieser Einrichtung ist die glockenförmig ausgebildete Gleitschwelle aus Stahlplatten zusammengesetzt, wobei die beiden Seitenplatten durch eine durchgehende Deckplatte verbunden sind. Hierdurch entsteht ein in sich im wesentlichen biegesteifer Hohlkörper, dessen Außenflächen so gestaltet sind, daß aufprallende Fahrzeuge auf der Gleitschwelle hochfahren und von der Stahlleitplanke abgelenkt werden. Die kraftschlüssige Verbindung der Stahl­leitplanke sowie die Ausbildung der im Querschnitt glocken­förmigen Gleitschwelle und deren Verbindung miteinander führt zu einer Zugbandwirkung bei einem etwaigen Fahrzeugaufprall. Die angestrebte Wirkung, daß einerseits insbesondere leichtere Fahrzeuge, wie Personenkraftwagen, diese Zugbandwirkung nicht ausnützen können, weil sie mit ihren Rädern zunächst auf der Gleitschwelle hochfahren und dann erst von den Holmen der Stahlleitplanke abgelenkt werden, wird deshalb nicht voll erreicht, weil die Dehnwirkung der Gleitschwelle aus Stahl sich sehr wesentlich von der Zugbandwirkung der Stahlleit­planke unterscheidet. Die Wirkung dieser bekannten Schutzplan­keneinrichtung bei etwaig auffahrenden schweren Fahrzeugen, wie Lastkraftwagen, ist dagegen insofern anders, als bei einem Auf­prall eine Verschiebung der gesamten Schutzplankeneinrichtung parallel zur Verkehrsflächenoberseite erfolgt und somit die Zugbandwirkung der Stahlleitplanke zur Auswirkung kommt.Such a guardrail device is known from DE-PS 30 36 227; in this device, the bell-shaped sliding threshold is composed of steel plates, the two side plates being connected by a continuous cover plate. This creates a substantially rigid hollow body, the outer surfaces of which are designed so that impacting vehicles run up on the sliding threshold and are deflected by the steel crash barrier. The non-positive connection of the steel crash barrier as well as the formation of the bell-shaped sliding threshold in cross section and their connection to one another leads to a tension band effect in the event of a vehicle impact. The desired effect that on the one hand especially lighter vehicles, such as passenger cars, cannot take advantage of this drawstring effect because they first drive their wheels up on the sliding threshold and only then are deflected by the bars of the steel guardrail, is therefore not full achieved because the tensile effect of the steel sleeper is very different from the tension band effect of the steel guardrail. The effect of this known guardrail device in heavy vehicles such as trucks, however, is different in that, in the event of an impact, the entire guardrail device is displaced parallel to the top of the traffic area and the tensile band effect of the steel guardrail comes into effect.

Die unterschiedliche Reaktion der Gleitschwelle und der Holme der Stahlleitplanke gewährleistet nicht in jedem Fall, daß nicht die Gleitschwelle unter der Stahlleitplanke weggedrückt wird, oder daß leichtere Fahrzeuge nicht doch in die Fahrbahn zurückgeschleudert werden.The different reaction of the sliding threshold and the spars of the steel guardrail does not always ensure that the sliding threshold under the steel guardrail is not pushed away, or that lighter vehicles are not thrown back into the road.

Der Erfindung liegt die Aufgabe zugrunde, die Zugbandwirkung der Stahlleitplanke bzw. von deren Holmen so auf die Gleit­schwelle zu übertragen, daß unabhängig von der etwaigen Auf­prallkraft und seinem Kraftangriffspunkt mit Sicherheit gewähr­leistet ist, daß sich die Gleitschwelle zusammen mit der Stahl­leitplanke b eim Aufprall durchbiegt und somit parallel zur Fahr­bahnoberkante ausweicht.The invention has for its object to transfer the tension band effect of the steel guardrail or of its spars to the sliding threshold so that regardless of the possible impact force and its force application point is guaranteed with certainty that the sliding threshold bends together with the steel guardrail on impact and thus dodges parallel to the top of the road.

Die Aufgabe wird dadurch gelöst, daß erfindungsgemäß die Gleitschwelle mindestens ein in bezug auf die durch die Stahl­leitplanke bestimmte Ebene versetzt angeordnetes Zugband auf­weist, welches mit den Zugbändern der Nachbargleitschwellen kuppelbar, vorzugsweise kraftschlüssig verbindbar ist und daß die freien Enden des durchgehenden Zugbandes in der Verkehrs­fläche verankert sind.The object is achieved in that, according to the invention, the sliding threshold has at least one tension band arranged offset with respect to the plane defined by the steel guardrail, which can be coupled, preferably non-positively, to the tension bands of the neighboring sliding thresholds and that the free ends of the continuous tension band are anchored in the traffic area are.

Während somit zwei in ihrer Wirkung ähnliche Zugbänder ent­stehen, dient der Gleitschwellenkörper im wesentlichen dazu, einerseits unerwünschte zusätzliche Fahrzeugbeschädigungen durch das untere Zugband zu verhindern und andererseits auch den Fahrer weitgehend vor Verletzungen zu schützen.While there are thus two drawstrings that are similar in their effect, the sliding sleeper body essentially serves to prevent undesired additional vehicle damage from the lower drawstring on the one hand and to largely protect the driver from injuries on the other hand.

Mindestens ein auf der Fahrbahn abgekehrten Seite angeordnetes Zugband kann in oder an der Gleitschwelle oberhalb des Masse­schwerpunktes angeordnet sein.At least one tension band arranged on the side facing away from the carriageway can be arranged in or on the sliding threshold above the center of gravity.

Unter Berücksichtigung der Tatsache, daß die resultierende Kraft beim Aufprall in etwa auf der Höhe der Radachsen der einzelnen Fahrzeuge liegt, muß also berücksichtigt werden, daß diese resultierende Kraft ca. 30 - 40 cm oberhalb der Fahrbahnoberfläche bei einem Personenwagen und ca. 50 - 70 cm oberhalb der Fahrbahnoberfläche bei einem Lastkraftwagen an­greift. Unabhängig von der Tatsache, daß die Resultierende dieser Kräfte eine unterschiedliche Wirkung auf die Schutz­plankeneinrichtung hat, kann auch die Größe dieser Kräfte sehr unterschiedlich sein. Dennoch soll gewährleistet sein, daß die Zugbandwirkung von Gleitschwelle einerseits und Stahl­leitplanke andererseits zu einem fahrbahnparallelen Ausbauchen der Schutzplankeneinrichtung führt. Entsprechende Versuche haben gezeigt, daß bei einem Personenkraftwagen mit einem Aufprallwinkel von ca. 15° eine Durchbiegung der Schutz­plankeneinrichtung mit etwa 60 - 80 cm erfolgt, während bei einem gleichen Aufprallwinkel ein Lastkraftwagen eine Durch­biegung von 90 cm bis über 1,20 m herbeiführt. Die Versuche haben auch bestätigt, daß einerseits die doppelte Zugbandwirkung - jeweils abgestellt aufeinander - ausreichend ist, um einen Bruch der Schutzplankeneinrichtung oder ein Überfahren der­selben zu verhindern.Taking into account the fact that the resulting force in the event of an impact is approximately at the height of the wheel axles of the individual vehicles, it must be taken into account that this resulting force is approximately 30-40 cm above the road surface in a passenger car and approximately 50-70 cm above the road surface on a truck. Irrespective of the fact that the resultant of these forces has a different effect on the protective barrier device, the magnitude of these forces can also be very different. Nevertheless, it should be ensured that the tension band effect of the sliding threshold on the one hand and the steel guardrail on the other hand leads to bulging of the guardrail device parallel to the roadway. Corresponding tests have shown that in the case of a passenger car with an impact angle of approximately 15 °, the guardrail device bends by approximately 60-80 cm, while at the same impact angle a truck causes a deflection of 90 cm to more than 1.20 m. The tests have also confirmed that, on the one hand, the double tension band effect - in each case adjusted to one another - is sufficient to prevent the guardrail device from breaking or being driven over.

Schutzplankeneinrichtungen nach der Erfindung werden an den Rändern von einer Fahrbahn oder üblicherweise zwischen zwei Fahrbahnen, z.B. beim Baustellenbetrieb, aufgebaut. In diesem Fall sind zweckmäßigerweise im Querschnitt spiegelbildgleich zwei Zugbänder vorgesehen.Guardrail devices according to the invention are used at the edges of a carriageway or usually between two carriageways, e.g. during construction site operation. In this case, two drawstrings are expediently provided in cross section in mirror image.

Wie bereits bemerkt, ist die Wirkung des unteren Zugbandes unter Berücksichtigung des Profils und der Masse der Gleit­ schwelle zu berücksichtigen. In diesem Zusammenhang ist darauf zu verweisen, daß verrutschbare Einzelteile, die lediglich auf­grund ihres Gewichtes - z.B. aus einem massiven Betonkörper bestehend -die beschriebene Zugbandwirkung der erfindungsge­mäßen Gleitschwelle in keinem Fall ersetzen können, es sei denn, daß sie auch mit einem entsprechenden durchgehenden Zugband, das auch an beiden freien Enden verankert ist, versehen sind.As already noted, the effect of the lower drawstring is taking into account the profile and mass of the glide threshold to be taken into account. In this context, it should be pointed out that slidable individual parts, which simply because of their weight - for example consisting of a solid concrete body - can in no case replace the described tension band effect of the sliding threshold according to the invention, unless they also with a corresponding continuous tension band, which is also anchored at both free ends.

Zweckmäßigerweise ist demzufolge die Gleitschiene als Hohl­körper oder massiv ausgebildet. Für das Zugband kommen z.B. eine Metallplatte, ein Metallband, mindestens ein Seil, ein Metallstab o.dgl. in Frage. Die Gleitschiene kann aus Beton oder Leichtbeton, z.B. Gasbeton oder Polystyrolbeton, Holz, Kunststoffverbundwerkstoff, Aluminium, Recyclingmaterial z.B. von Fahrzeugreifen, bestehen.Accordingly, the slide rail is expediently designed as a hollow body or solid. For the drawstring, e.g. a metal plate, a metal band, at least one rope, a metal rod or the like. in question. The slide rail can be made of concrete or lightweight concrete, e.g. Gas concrete or polystyrene concrete, wood, plastic composite material, aluminum, recycling material e.g. of vehicle tires.

Die Pfosten o.dgl. der Stahlleitplanke sind zweckmäßigerweise an einer jeweils auf der Stirnfläche der Gleitschwelle be­festigbaren Platte o.dgl. angebracht; die Platte o.dgl. liegt zweckmäßigerweise auf einer in oder an der Gleitschwelle ange­brachten Platte, welche mit Zugankern in der Gleitschwelle gehalten ist; die Zuganker können mit dem Zugband fest ver­bunden, z.B. verschweißt sein.The posts or the like. the steel guardrail are expediently or the like on a plate which can be fastened in each case on the end face of the sliding threshold. appropriate; the plate or the like expediently lies on a plate attached in or on the sliding sleeper, which is held in the sliding sleeper with tie rods; the tie rods can be firmly connected to the tie, e.g. be welded.

Nach einer bevorzugten Ausführungsform der Erfindung erfolgt die kraftschlüssige Verbindung des Zugbandes mit dem Nachbar­zugband durch Schraubbolzen, Gewindespindeln o.dgl.; in diesem Zusammenhang ist zu erwähnen, daß eine spielfreie Verbindung angestrebt wird.According to a preferred embodiment of the invention, the frictional connection of the tension band with the neighboring tension band is carried out by means of bolts, threaded spindles or the like; In this context it should be mentioned that a connection free of play is sought.

Vorzugsweise ist die Gleitschwelle an einem Ende mit einer lot­recht verlaufenden Aussparung, z.B. in Keilform, und am anderen Ende mit einem entsprechenden Vorsprung versehen. Auch wenn eine unmittelbare Verbindung der Gleitschwellen an sich - mit Ausnahme der Zugbänder selbstverständlich - nicht erforderlich ist, kann die eben beschriebene Zupassung der freien Enden der einzelnen Fertigteile eine gemeinsame Verschiebung der mit­einander verbundenen Gleitschwellenkörper herbeiführen.The sliding threshold is preferably provided at one end with a perpendicular recess, for example in the form of a wedge, and at the other end with a corresponding projection. Even if there is a direct connection between the sliding thresholds - with one exception of the drawstrings, of course - is not necessary, the above-described adjustment of the free ends of the individual finished parts can bring about a common displacement of the interconnected sliding sleeper bodies.

An der Unterseite der Gleitschwelle sind vorzugsweise Gleit­füße vorgesehen, deren parallel zur Gleitschwellenachse ver­laufende freien Kanten abgerundet sind.Sliding feet are preferably provided on the underside of the sliding threshold, the free edges of which are rounded parallel to the axis of the sliding threshold.

Hierdurch soll erreicht werden, daß bei einem Fahrzeugaufprall die Gleitschwelle nicht geringfügig kippt und sich mit ihrer Kippkante in der Fahrbahn festsetzt, so daß ein fahrbahn­paralleles Ausweichen der Gleitschwelle verhindert werden würde.The aim of this is to ensure that the slide threshold does not tip slightly in the event of a vehicle impact and that its tilting edge sticks to the roadway, so that a avoidance of the slide threshold parallel to the roadway would be prevented.

Auf der Zeichung sind beispielsweise Ausführungsformen der Erfindung dargestellt; sie werden nachfolgend näher be­schrieben. Es zeigt:

  • Fig. 1 in schematisierter Darstellung eine Längsansicht auf ein Ende einer erfindungsgemäßen Schutzplankenein­richtung,
  • Fig. 2 einen Querschnitt durch eine Ausführungsform der Erfindung,
  • Fig. 3 eine Draufsicht auf die gleiche Ausführungsform,
  • Fig. 4 eine Seitenansicht auf die Ausführungsform,
  • Fig. 5 ein Detail einer abgewandelten Ausführungsform,
  • Fig. 6 eine Fig. 3 ähnliche Draufsicht auf eine abgewandelte Ausführungsform,
  • Fig. 7 ein Detail einer Verbindung von Zugbändern,
  • Fig. 8 ein abgewandeltes Detail einer ähnlichen Verbindung,
  • Fig. 9 einen Querschnitt durch eine abgewandelte Ausführungs­form und
  • Fig.10 einen Querschnitt durch eine weitere Ausführungs­form.
For example, embodiments of the invention are shown on the drawing; they are described in more detail below. It shows:
  • 1 is a schematic representation of a longitudinal view of one end of a guardrail device according to the invention,
  • 2 shows a cross section through an embodiment of the invention,
  • 3 is a top view of the same embodiment;
  • 4 is a side view of the embodiment,
  • 5 shows a detail of a modified embodiment,
  • 6 is a plan view similar to FIG. 3 of a modified embodiment,
  • 7 shows a detail of a connection of drawstrings,
  • 8 shows a modified detail of a similar connection,
  • Fig. 9 shows a cross section through a modified embodiment and
  • 10 shows a cross section through a further embodiment.

Eine Schutzplankeneinrichtung 1, welche provisorisch zwischen zwei Fahrbahnen - z.B. im Baustellenbereich - eingesetzt ist, besteht aus einer Gleitschwelle 2 und einer durchgehenden Stahlleitplanke 3. Diese Stahlleitplanke 3 ist links von der Zeichnung in üblicher Weise ausgebildet und z.B. über Pfosten 4 mit dem Erdboden oder dem Rand der Verkehrsfläche bzw. der Fahrbahn verbunden. An der Übergangsstelle zum Baustellenbe­trieb, d.h. also einem geringen Abstand zwischen den beiden sich gegenüberliegenden Fahrbahnen, ist ein Übergangsstück 5 einer Gleitschwelle eingesetzt. Dieses Übergangsstück ist mit dem Erdboden oder mit der Fahrbahnoberkante fest verbunden und trägt darüber hinaus über eine Verankerung 6 die Enden der weiter unten beschriebenen Zugbänder. Das im Längsschnitt annähernd dreieckförmige Endstück 5 trägt über Pfosten 7, 8 die Stahlleitplanke 3, welche somit als durchgehendes Band ausgebildet ist und die bereits erwähnte Zugbandwirkung aus­löst. An das Endstück 5 schließt sich ein standardisiertes Fertigteil 9 an, das weiter unten näher beschrieben wird.A guardrail device 1, which is provisionally between two lanes - e.g. in the construction site area - consists of a sliding threshold 2 and a continuous steel guardrail 3. This steel guardrail 3 is designed to the left of the drawing in the usual way and e.g. connected via post 4 to the ground or the edge of the traffic area or the carriageway. At the transition point to site operation, i.e. that is, a small distance between the two opposite carriageways, a transition piece 5 of a sliding threshold is used. This transition piece is firmly connected to the ground or to the top of the carriageway and also supports the ends of the drawstrings described below via an anchor 6. The approximately triangular end piece 5 in longitudinal section carries, via posts 7, 8, the steel guardrail 3, which is thus designed as a continuous band and triggers the aforementioned tension band effect. A standardized prefabricated part 9 connects to the end piece 5 and is described in more detail below.

Ein derartiges Fertigteil ist z.B. in Fig. 2 im Querschntt gezeigt.Such a finished part is e.g. shown in Fig. 2 in the cross section.

Die Stahlleitplanke 3 ist über Pfosten 8 mit der Gleitschwelle verbunden. Jeder Pfosten 8 weist eine Fußplatte 10 auf, welche wiederum mit einer auf der Stirnseite der Gleitschwelle vorge­sehenen Platte 11, z.B. mit vier Schraubbolzen, verbunden ist.The steel guardrail 3 is connected to the sliding threshold by means of posts 8. Each post 8 has a base plate 10, which is in turn connected to a plate 11 provided on the end face of the sliding sleeper, for example with four screw bolts.

Diese Schraubbolzen 11 können gegebenenfalls durch Zuganker 12, 13 annähernd parallel zu den Seitenflächen der Gleitschwelle verlängert sein.These bolts 11 can optionally be extended by tie rods 12, 13 approximately parallel to the side surfaces of the sliding sill.

In Längsrichtung eines jeden Fertigteils verlaufen Zugstäbe 14, 15, 16 und 17, die - wie weiter unten näher beschrieben - mit den entsprechenden Zugstäben der Nachbarfertigteile fest, möglichst kraftschlüssig, verbunden sind.Tension rods 14, 15, 16 and 17 run in the longitudinal direction of each prefabricated part, which - as described in more detail below - are connected to the corresponding tension rods of the neighboring prefabricated parts in a manner that is as force-fit as possible.

Alle vier Zugstäbe werden bei einem Fahrzeugaufprall, sei es von der einen Fahrbahnseite oder sei es von der anderen Fahr­bahnseite auf Zug beansprucht, wobei die ganze Schutzplanken­einrichtung auf Gleitfüßen 18, 19 parallel zur Fahrbahnober­kante verschoben wird. Die bekannte Zugbandwirkung der Stahl­leitplanke wird also in ähnlicher Form auch von der Gleit­schwelle ausgenutzt, wobei allerdings das Eigengewicht der Gleitschwelle noch mitzuberücksichtigen ist. Die Gleitschwelle selbst ist als Massivkörper ausgebildet und besteht z.B. aus Poly­styrolbeton. Es kann jedoch auch z.B. sogen. Recyclingmaterial von Fahrzeugreifen Verwendung finden, wobei unter Umständen die Gleitschwelle an ihren Seitenwänden mit dünnen Platten belegt wird.All four tension rods are subjected to a train impact, be it from one side of the road or from the other side of the road to train, the entire guardrail device being displaced on sliding feet 18, 19 parallel to the top of the roadway. The known tension band effect of the steel guardrail is therefore also used in a similar form by the sliding threshold, although the dead weight of the sliding threshold must also be taken into account. The sliding threshold itself is designed as a solid body and consists e.g. made of polystyrene concrete. However, e.g. so-called Recycled vehicle tires are used, although the sliding threshold may be covered with thin plates on the side walls.

Wie in Fig. 3 dargestellt, ist das eine Ende der Gleitschwelle mit einer Aussparung 20 versehen, während das andere Ende einen entsprechenden Vorsprung aufweist, so daß die Fertig­teile leicht ineinandergeschoben werden können und bei einem seitlichen Aufprall nicht einzeln ausweichen.As shown in Fig. 3, one end of the sliding threshold is provided with a recess 20, while the other end has a corresponding projection, so that the finished parts can be easily pushed into one another and do not deflect individually in the event of a side impact.

Die einzelnen Zugstäbe 14 - 17 weisen an der Fuge zwischen zwei Fertigteilen Verbindungsmöglichkeiten auf, wie sie nach­folgend im Zusammenhang mit Fig. 7 und 8 beispielsweise be­schrieben werden. Um diese Verbindungen von außen herzustellen, sind im Bereich der freien Enden der Zugstäbe in der Gleit­schwelle Aussparungen 21 vorgesehen, so daß eine Verschraubung oder kraftschlüssige Verbindung zwischen den Zugbandenden je­weils eines Fertigteils mit den Zugbandenden des Nachbarfertig­teils von außen hergestellt werden kann. Diese Verbindungen sind lösbar, so daß die einzelnen Fertigteile wiederverwendet werden können.The individual tension rods 14-17 have connection options at the joint between two prefabricated parts, as described below in connection with FIGS. 7 and 8, for example. To make these connections from the outside, recesses 21 are provided in the area of the free ends of the tension rods in the sliding sleeper, so that a screw connection or non-positive connection between the ends of the tension strip of one prefabricated part and the ends of the tension strip of the neighboring finished part can be produced from the outside. These connections are detachable so that the individual finished parts can be reused.

Die einzelnen Fertigteile können Längen von 2 m oder z.B. 4 m haben; die Nahtstellen der Gleitschwelle sollen sich grund­sätzlich nicht mit den Nahtstellen der Stahlleitplanke decken, sondern es wird eine versetzte Verbindung von Gleitschwelle zu Gleitschwelle und Stahlleitplanke zu Stahlleitplanke angestrebt.The individual finished parts can be lengths of 2 m or e.g. Have 4 m; the seams of the sliding threshold should not in principle coincide with the seams of the steel guardrail, but an offset connection from sliding threshold to sliding threshold and steel guardrail to steel guardrail is aimed for.

Wie aus Fig. 5 ersichtlich ist, können die Gleitfüße der Gleitschwelle 2 auch quer zur Längsachse der Gleitschwelle durchgehend ausgebildet werden, wobei die Ränder 22 und 23 abge­rundet sind. Hierdurch soll verhindert werden, daß sich nach einem Fahrzeugaufprall beim Verschieben der Schutzplanken­einrichtung eine etwaige scharfe Kante der Gleitfüße im Boden "festkrallt" und somit unter Umständen zu einer Kippbewegung führt; dies soll in jedem Fall vermieden werden.As can be seen from FIG. 5, the sliding feet of the sliding sleeper 2 can also be made continuous across the longitudinal axis of the sliding sleeper, the edges 22 and 23 being rounded. This is to prevent a sharp edge of the sliding feet from "clinging" to the ground after a vehicle impact when the guardrail device is moved and thus possibly lead to a tilting movement; this should be avoided in any case.

Wie bereits weiter oben ausgeführt, kann bei einem leichten Fahrzeugaufprall die Schutzplankeneinrichtung 40 - 50 cm ausweichen, wobei ein Zurückschleudern des Fahrzeuges in die Fahrbahn vermieden wird, während bei einem harten Aufprall ein Ausweichen bis zu 1,20 m oder mehr möglich ist.As already explained above, in the event of a light vehicle impact, the guardrail device can deflect 40-50 cm, preventing the vehicle from being thrown back into the road, while in the event of a hard impact, it is possible to evade up to 1.20 m or more.

Statt der beschriebenen Zugstäbe können selbstverständlich auch Stahlbänder oder auch Stahlseile Verwendung finden; es muß jedoch sichergestellt sein, daß die Verbindung der Zug­bänder im Bereich der Gleitschwelle so fest ist, daß bei einem Aufprall das Zugband als durchgehendes Band wirkt und nicht aus den Endverankerungen herausgerissen wird.Instead of the tension rods described, steel strips or steel cables can of course also be used; However, it must be ensured that the connection of the tension bands in the area of the sliding threshold is so tight that the tension band as a continuous band in the event of an impact works and is not torn out of the end anchorages.

Nach der Ausführungsform nach Fig. 6 und Fig. 8 sind Stahl­bänder 30 - 32 vorgesehen, welche in den jeweiligen Gleit­schwellen 2 aufrecht untergebracht sind, so daß sie mit ihrer Breitseite jeweils senkrecht zur Fahrbahnoberkante verlaufen. Eine Verbindung solcher Stahlbänder ist beispielsweise in Fig.8 dargestellt, wobei wiederum die Gleitschwelle jeweils im Ver­bindungsbereich mit Aussparungen 21 versehen ist. Während z.B. das eine Ende eines Stahlbahndes geradlinig ausläuft, ist das gegenüberliegende Ende abgekröpft, so daß von Fertigteil zu Fertigteil, z.B. Verbindungen, wie in Fig. 8 in Draufsicht dargestellt, vorgesehen werden. Zweckmäßigerweise erfolgt die Verbindung mindestens über vier Schraubbolzen. Es können je­doch selbstverständlich auch mehr Schraubbolzen vorgesehen werden.According to the embodiment according to FIGS. 6 and 8, steel strips 30-32 are provided, which are accommodated upright in the respective sliding sleepers 2, so that their broad sides are perpendicular to the upper edge of the roadway. A connection of such steel strips is shown, for example, in FIG. 8, the sliding threshold again being provided with cutouts 21 in the connection area. While e.g. one end of a steel sheet runs straight, the opposite end is bent, so that from finished part to finished part, e.g. Connections, as shown in Fig. 8 in plan view, are provided. The connection is expediently carried out via at least four screw bolts. However, more bolts can of course also be provided.

In Fig. 7 ist eine abgewandelte Art einer Verbindung in Drauf­sicht dargestellt. Die einzelnen Zugstäbe 16′ sind mit End­gewinden versehen, welche durch eine Drehspindel 35 miteinander verspannt werden können.7 shows a modified type of connection in plan view. The individual tie rods 16 'are provided with end threads, which can be clamped together by a rotating spindle 35.

In den Fig. 9 und 10 sind Querschnitte von abgewandelten Gleit­schwellen gezeigt, wobei die Stahlleitplanke 3 jeweils den gleichen Aufbau wie weiter oben beschrieben haben. Es liegt auf der Hand, daß in bestimmten Fällen eine spiegelbildgleiche Ausbildung der Stahlleitplanke und der Gleitschwelle nicht er­forderlich ist; dies kann z.B. bei provisorischen Schutzplanken­einrichtungen an einem Fahrbahnrand der Fall sein.9 and 10 show cross sections of modified sliding sleepers, the steel crash barrier 3 each having the same structure as described above. It is obvious that in certain cases a mirror image of the steel guardrail and the sliding threshold is not required; this can e.g. in the case of provisional guardrail devices on the edge of a road.

Die Gleitschwelle 40 nach Fig. 9 weist jeweils zwei Stahlholme 41, 42 auf, die üblicherweise bei der Stahlleitplanke Verwendung finden; selbstverständlich müssen die freien Enden dieser Stahl­holme 41 und 42 jeweils mit den entsprechenden Enden der Nach­ bargleitschwelle fest verbunden werden.9 each has two steel spars 41, 42, which are usually used in the steel guardrail; of course, the free ends of these steel spars 41 and 42 must each have the corresponding ends of the night bar sliding threshold can be firmly connected.

Die als Massivkörper ausgebildete Gleitschwelle 40 kann aus jedem beliebigen Material bestehen; es muß nur darauf geachtet werden, daß dieses Material bei einem Fahrzeugaufprall möglichst geringe Schäden an der Karosserie verursacht. Plastisch auf­gefangen wird das Fahrzeug bekannterweise durch die überein­anderliegende Zugbänderwirkung.The sliding threshold 40 designed as a solid body can consist of any material; care must only be taken that this material causes as little damage to the body as possible in the event of a vehicle impact. As is known, the vehicle is plastically caught by the superimposed drawstring effect.

Bei der Ausführungsform nach Fig. 10 ist die Gleitschwelle 45 wiederum mit jeweils einem Stahlholm 46 bzw. 47 versehen. Die Platten 10, 11 des Pfostens 8 sind jedoch durch lange Anker­stangen 48, 49 mit der Fußplatte 50 verbunden, so daß eine gewisse Rahmenwirkung im Querschnitt entsteht, wobei die Stahlholme 46 und 47 nicht mit diesem Rahmen verbunden sein müssen. Es ist auch möglich, daß derartige Rahmen außerhalb des Bereichs der Pfosten, d.h. in der Gleitschwelle beispiels­weise mit einem Abstand vo 70 - 80 cm vorgesehen sind, wobei dann die Platte 11 durchgehend auszubilden ist, was auch für die Gleitfüße 22 gilt.In the embodiment according to FIG. 10, the sliding threshold 45 is in turn provided with a steel bar 46 and 47, respectively. The plates 10, 11 of the post 8 are, however, connected to the foot plate 50 by long anchor rods 48, 49, so that a certain cross-sectional frame effect occurs, the steel bars 46 and 47 not having to be connected to this frame. It is also possible that such frames are outside the area of the posts, i.e. are provided in the sliding threshold, for example, at a distance of 70-80 cm, in which case the plate 11 is to be formed continuously, which also applies to the sliding feet 22.

Claims (13)

1. Schutzplankeneinrichtung, bestehend aus lösbar zusammenge­setzten, auf die Verkehrsfläche aufsetzbaren und als Fertig­teile hergestellten Einzelteilen,welche jeweils aus einer Gleitschwelle und mindestens einer von dieser beabstandeten, über Pfosten o.dgl. verbundenen und mit ihren freien Enden in der Verkehsfläche verankerten Stahlleitplanke bestehen, dadurch gekennzeichnet, daß die Gleitschwelle mindestens ein in bezug auf die durch die Stahl­leitplanke bestimmte Ebene versetzt angeordnetes Zugband auf­weist, welches mit den Zugbändern der Nachbargleitschwellen kuppelbar, vorzugsweise kraftschlüssig verbindbar ist und daß die freien Enden des durchgehenden Zugbandes in der Verkehrs­fläche verankert sind.1. Guardrail device, consisting of detachably assembled, attachable to the traffic area and manufactured as finished parts, each consisting of a sliding threshold and at least one spaced therefrom, via posts or the like. connected and with their free ends anchored in the traffic surface steel guardrail, characterized in that the sliding sleeper has at least one tension band arranged offset with respect to the plane defined by the steel guardrail, which can be coupled, preferably non-positively, to the pulling belts of the neighboring sliding sleepers and that free ends of the continuous drawstring are anchored in the traffic area. 2. Schutzplankeneinrichtung nach Anspruch 1, dadurch gekenn­zeichnet, daß mindestens ein auf der Fahrbahn abgekehrten Seite angeordnetes Zugband in oder an der Gleitschwelle ober­halb des Masseschwerpunktes angeordnet ist.2. crash barrier device according to claim 1, characterized in that at least one on the side facing away from the tension band is arranged in or on the sliding threshold above the center of gravity. 3. Schutzplankeneinrichtung, die zwischen zwei Fahrbahnen auf­stellbar ist, nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß im Querschnitt spiegelbildgleich jeweils zwei Zugbänder vorgesehen sind.3. crash barrier device that can be set up between two lanes, according to claim 1 or 2, characterized in that that two drawstrings are provided with the same mirror image in cross section. 4. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Gleitschwelle als Hohlkörper oder massiv ausgebildet ist und einen rechteckigen oder glockenförmigen Querschnitt aufweist.4. Guardrail device according to one of claims 1 to 3, characterized in that the sliding threshold is designed as a hollow body or solid and has a rectangular or bell-shaped cross section. 5. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Zugband aus einer Metall­platte, einem Metallband, mindestens einem Seil, einem Metallstab o.dgl. besteht.5. Guardrail device according to one of claims 1 to 4, characterized in that the tension band made of a metal plate, a metal band, at least one rope, a metal rod or the like. consists. 6. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Gleitschwelle aus Beton oder Leichtbeton, z.B. Gasbeton oder Polystyrolbeton, besteht.6. Guardrail device according to one of claims 1 to 4, characterized in that the sliding threshold made of concrete or lightweight concrete, e.g. Gas concrete or polystyrene concrete. 7. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Gleitschwelle aus Holz, Kunststoff, Verbundwerkstoff, Aluminium, Recyclingmaterial, z.B. von Fahrzeugreifen, besteht.7. Guardrail device according to one of claims 1 to 4, characterized in that the sliding threshold made of wood, plastic, composite material, aluminum, recycling material, e.g. of vehicle tires. 8. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Pfosten o.dgl. der Stahl­leitplanke oder die Stahlleitplanke selbst an einer auf der Stirnfläche der Gleitschwelle befestigbaren Platte o.dgl. angebracht ist.8. Guardrail device according to one of claims 1 to 7, characterized in that the posts or the like. the steel guardrail or the steel guardrail itself or the like on a plate which can be fastened to the end face of the sliding threshold. is appropriate. 9. Schutzplankeneinrichtung nach Anspruch 8, dadurch gekenn­zeichnet, daß die Platte o.dgl. auf einer in oder an der Gleitschwelle angebrachten Platte aufliegt, welche mit Zugankern in der Gleitschwelle gehalten ist.9. Guardrail device according to claim 8, characterized in that the plate or the like. rests on a plate attached in or on the sliding threshold, which is held in the sliding threshold with tie rods. 10. Schutzplankeneinrichtung nach Anspruch 9, dadurch gekenn­zeichnet, daß die Zuganker mit dem Zugband fest verbunden, z.B. verschweißt sind.10. Guardrail device according to claim 9, characterized in that the tie rods are firmly connected to the tension band, for example welded. 11. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die kraft-, form- oder stoff­schlüssige Verbindung des Zugbandes mit dem Nachbarzugband durch Schraubbolzen o.dgl. erfolgt.11. Guardrail device according to one of claims 1 to 10, characterized in that the non-positive, positive or material connection of the tension band with the neighboring tension band by means of bolts or the like. he follows. 12. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Gleitschwelle an einem Ende mit einer lotrecht verlaufenden Aussparung, z.B. in Keilform, und am anderen Ende mit einem entsprechenden Vorsprung ver­sehen ist.12. Guardrail device according to one of claims 1 to 11, characterized in that the sliding threshold at one end with a perpendicular recess, e.g. in wedge shape, and is provided at the other end with a corresponding projection. 13. Schutzplankeneinrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß an der Unterseite der Gleit­schwelle Gleitfüße vorgesehen sind, deren parallel zur Gleitschwellenlängsachse verlaufende freien Kanten abge­rundet sind.13. Guardrail device according to one of claims 1 to 12, characterized in that sliding feet are provided on the underside of the sliding threshold, the free edges of which are rounded parallel to the longitudinal axis of the sliding threshold.
EP88116403A 1987-10-05 1988-10-04 Guard barrier structure Expired - Lifetime EP0311015B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88116403T ATE62035T1 (en) 1987-10-05 1988-10-04 GUARD RAIL DEVICE.

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DE3733685 1987-10-05
DE19873733685 DE3733685A1 (en) 1987-10-05 1987-10-05 BUMPER ARRANGEMENT

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EP0311015B1 EP0311015B1 (en) 1991-03-27

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EP0428097A1 (en) * 1989-11-16 1991-05-22 SISTEMA S.A.S. DI SERAFIN LUIGI &amp; C. Metallic safety barrier
EP0452893A1 (en) * 1990-04-18 1991-10-23 Sps Schutzplanken Gmbh Roadbarrier for traffic area, in particular for the protection of construction sites
FR2714406A1 (en) * 1993-12-28 1995-06-30 Sabla Sa Motor road safety barrier
CN1080241C (en) * 1994-07-06 2002-03-06 Savio纺织机械责任有限公司 Method for the automatic regulation of the thread tension in a bobbin winding machine
WO2000071821A1 (en) * 1999-05-20 2000-11-30 Maba Fertigteilindustrie Gmbh Barrier element
EP1528159A1 (en) * 2003-10-30 2005-05-04 Maba Fertigteilindustrie GmbH Restraint system
EP1722037A2 (en) 2005-05-10 2006-11-15 Durabel Baubedarf GmbH Traffic guidance device
EP1722037A3 (en) * 2005-05-10 2007-02-14 TOGE-Dübel A. Gerhard KG Traffic guidance device
EP1762660A1 (en) * 2005-09-13 2007-03-14 TOGE-Dübel A. Gerhard KG Device for traffic guiding
EP2540913B1 (en) * 2011-07-01 2015-09-30 Horst Luther Protective wall comprising individual protective wall elements for securing traffic routes
EP2644776B1 (en) * 2012-03-30 2018-04-25 Horst Luther Protective wall

Also Published As

Publication number Publication date
DE3733685A1 (en) 1989-04-20
EP0311015B1 (en) 1991-03-27
ATE62035T1 (en) 1991-04-15
DE3733685C2 (en) 1991-09-19

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