EP2520719B1 - Vehicle retention system with impact mats - Google Patents

Vehicle retention system with impact mats Download PDF

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Publication number
EP2520719B1
EP2520719B1 EP12001840.3A EP12001840A EP2520719B1 EP 2520719 B1 EP2520719 B1 EP 2520719B1 EP 12001840 A EP12001840 A EP 12001840A EP 2520719 B1 EP2520719 B1 EP 2520719B1
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EP
European Patent Office
Prior art keywords
retention system
vehicle retention
elastomer web
previous
elastomer
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EP12001840.3A
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German (de)
French (fr)
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EP2520719A3 (en
EP2520719A2 (en
Inventor
Vanessa Volkmann
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Volkmann and Rossbach GmbH and Co KG
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Volkmann and Rossbach GmbH and Co KG
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Priority to PL12001840T priority Critical patent/PL2520719T3/en
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Publication of EP2520719A3 publication Critical patent/EP2520719A3/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
    • E01F15/081—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
    • E01F15/083—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 concrete
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers

Definitions

  • the present invention relates to a vehicle restraint system for laterally securing a roadway with a sidewalk limiting the roadway wall construction.
  • WO 2006/089321 A2 a protector connected via an elastic spacer connected to the stand (s) so as to provide an enlarged crumple zone for a colliding mating beach.
  • WO 02/40779 A1 discloses a plurality of deformable components intended to be attached to a rigid shut-off assembly.
  • an elastomeric sheet is attached to an existing wall construction, in particular to a concrete structure on the side facing the roadway.
  • This elastomeric track is stiffened to prevent the elastomeric track from being destroyed and substantially ineffective at the high forces involved as a result of vehicle impact.
  • the invention thus has the advantage that already existing vehicle restraint systems but also newly installed vehicle restraint systems made of concrete can be provided with a corresponding elastomeric track and thus made safer.
  • the frictional effect has the advantage that the vehicle rubs along the wall construction and is decelerated accordingly.
  • the elastomeric web has a plurality of composite rubber-like composite mats.
  • the elastomer mats are dimensioned in their length corresponding to the shooting distance of individual wall elements of the wall construction. But they can also be made longer or shorter.
  • the stiffening structure is formed by a lattice structure or a honeycomb structure. It has been shown that the formation of the stiffening structure in the form of a grid structure or a honeycomb structure leads to a considerable stiffening, so that destruction can be counteracted. Also have corresponding stiffening structures - grid or honeycomb - damping effect for the impacting vehicle.
  • a development of the invention provides that the elastomeric web rests with a substantially closed bearing surface on the wall construction. This ensures that the respective elastomeric track can be securely attached to the wall construction. This also allows better frictional effects to be achieved, for example if, as a consequence of the high impact forces, the stiffening structure is destroyed and only the contact surface remains.
  • the elastomeric track For attaching the respective elastomeric track, it is possible to glue these to the wall construction. It is preferably provided that the elastomeric track is fixed with fastening bolts on the wall construction. The number and location of attachment of the bolt is selectable depending on the application.
  • corresponding wall constructions are arranged both to block off two traffic routes to one another in the middle of the roadway. Alternatively, these can also be mounted laterally on a roadway.
  • wall constructions are usually used, which are effective on both sides, with one side facing the one traffic route and the other side facing the opposite traffic route.
  • a development of the present invention provides that the elastomeric web is attached to at least one mounting bracket to the wall construction. So can be attached on both sides of the wall construction corresponding elastomeric tracks on the mounting bracket. But it is also possible to use mounting bracket for only one-sided attachment of appropriate elastomeric webs.
  • corresponding mounting bracket can also be used only temporarily for fixing the elastomeric sheets, for example as an assembly aid, in which the elastomeric sheets can be hung in a desired position, then the mounting screws can be drilled and then the mounting bracket can be removed again.
  • the elastomeric web has a plurality of mounting holes.
  • a mounting hole is already introduced in the stiffening structure during their production.
  • a mounting bore can be centrally provided in each honeycomb.
  • the elastomeric web has water drainage holes. This increases the weather resistance of the vehicle restraint system according to the invention.
  • the wall construction has a plurality of shot-wise composite solid wall elements. It is provided in particular that the wall construction is made of concrete. It is understood that the present invention can also be applied to an in-situ concrete protection wall, which was produced by means of sliding shell paver seamlessly in the endless belt on the construction site.
  • the invention further relates to an elastomeric web for a vehicle restraint system of the type described above.
  • FIG. 1 an inventive vehicle restraint system is shown and generally designated 10. It can be seen that this has a wall construction 12 of a plurality of cast-like wall elements 14, 16 made of concrete. These are executed in the so-called step profile, that is, they run upwards conically and have in their lying near the ground lower portion a thickening 18. It can be seen that on the individual wall elements 14 and 16 on both sides of elastomer mats 20, 22, 24th are attached. These elastomeric mats are attached to the wall structure 12 with corresponding bolts 26 and washers 28.
  • the present invention can also be used in an in-situ concrete protection wall, which was manufactured by means of sliding shell pavers in the endless belt on the construction site.
  • the elastomer mats 20, 22, 24 have a continuous rear wall 30, but have on their front side facing the roadway, a honeycomb structure with regular polygonal (hexagonal here) honeycomb. These have a depth b of several centimeters.
  • honeycomb bores 31 are mounted to allow any attachment of mounting bolts, as explained below. These holes 31 also serve to prevent water from being collected therein.
  • further openings or bores it is also possible for further openings or bores to be provided in the honeycomb for draining the water, which are produced, for example, in the production of the honeycomb structure.
  • the thickness d of the elastomeric mats 20, 22, 24 is chosen so that they protrude further from the wall profile than the jump between the lower reinforced portion 18 and the overlying narrower portion 19. This thickness dimensioning is particularly in the FIGS. 4 and 5 to recognize by the dimension s.
  • FIG. 2 In front view according to FIG. 2 and the plan view according to FIG. 3 of the mounted vehicle restraint system it can be seen that the elastomer mats 20, 22, 24 are joined together seamlessly according to the shooting distance of the individual wall elements 14, 16 (or at regular intervals on a seamless Ortbetonwand).
  • FIG. 3 recognizes that on both sides of the strand 12 of wall elements 14, 16, etc. appropriate elastomeric mats 22, 24 are attached etc.
  • FIG. 4 shows a cross section through the vehicle restraint system 10 according to the invention.
  • this cross-section can be seen that the elastomer mats 22, 24 are mounted on the wall element 16 via corresponding fastening bolts 26.
  • the elastomeric mats are dimensioned larger by the amount s than this return.
  • the mat-shaped elastomeric sheets have a continuous rear wall 30 with corresponding fastening openings 31.
  • FIG. 5 shows a modification of the embodiment according to FIG. 4 unlike the embodiment according to FIG. 4 be in the embodiment according to FIG. 5 the elastomeric sheets are simply hung on a mounting bracket 40 with corresponding mounting pins 42 on a corresponding wall element 16. Optionally, these may additionally with corresponding mounting bolts 26 (in FIG. 5 not shown). Otherwise, the elastomer mats 20, 22, 24 are also honeycomb-shaped, as in FIG. 4 shown and related to FIGS. 1 to 3 described. In the FIG. 5 shown modification may also represent only a temporary state during assembly.
  • the mounting bracket 40 is only temporarily used as an assembly aid for the elastomer mats 20, 20, 24 and after attachment of the elastomer mats to the concrete wall by means of suitable fastening bolts 26 in the in FIG. 4 subsequently removed again. Both variants - mounting bracket 40 as a permanent attachment or mounting bracket 40 as an assembly aid - are beneficial.
  • the invention has the advantage that existing concrete protection walls can be retrofitted with corresponding elastomer mats 20, 22, 24.
  • these rubber sheets ensure that the vehicle is braked.
  • the elastomeric sheets in particular have a frictional effect and prevent an excessive increase of the vehicle at the oblique contour of the concrete profile.
  • the honeycomb structure has a dampening effect. The vehicle rubs along the Elastomerbahn, as it were, whereby impact energy is dissipated. This friction also has the effect that the vehicle is decelerated on one side and thus repeatedly directed towards the concrete profile.

Description

Die vorliegende Erfindung betrifft ein Fahrzeugrückhaltesystem zum seitlichen Absichern einer Fahrbahn mit einer die Fahrbahn seitlich begrenzenden Wandkonstruktion.The present invention relates to a vehicle restraint system for laterally securing a roadway with a sidewalk limiting the roadway wall construction.

Derartige Fahrzeugrückhaltesysteme sind aus dem Stand der Technik bekannt. So werden in jüngster Vergangenheit verstärkt Betonkonstruktionen eingesetzt, die ein sich nach oben verjüngendes Profil aufweisen. Derartige Profile werden beispielsweise als "New Jersey-Profil" oder auch als "Step-Profil" bezeichnet. Es hat sich gezeigt, dass derartige Betonkonstruktionen den Vorteil besitzen, in einer Aufprallsituation nicht nachzugeben und deshalb in relativ eng bemessenen Einbausituationen zum Absichern von Fahrbahnen eingesetzt werden können. Dieser vermeintliche Vorteil hat allerdings schwerwiegende Folgen für die Insassen eines anprallenden Fahrzeugs. Die Tatsache, dass die Betonkonstruktion im Anprallfall nicht nachgibt, führt dazu, dass die gesamte Anprallenergie vom Fahrzeug selbst abgebaut werden muss. Regelmäßig kommt es aufgrund der konischen Profilierung der Konstruktion dazu, dass insbesondere kleinere leichtgewichtige Fahrzeuge in Folge eines Anpralls an der Konstruktion aufsteigen, zur Fahrbahn zurückgelenkt werden und dann wieder auf die Fahrbahn herunterfallen. Dabei kommt es zu erheblichen Schwankbewegungen des Fahrzeugs, die auf die Fahrzeuginsassen übertragen werden. Schlimmstenfalls kann es in Folge eines solchen Aufpralls dazu kommen, dass die Insassen mit dem Kopf an einen Seitenholm des Fahrzeugs schlagen und sich dabei schwerwiegende Verletzungen zuziehen. Auch bei Ausbleiben eines solchen Anschlagens führen die erheblichen Schwankbewegungen, die durch das schlagartige Zurückwerfen des Fahrzeugs von der nicht nachgebenden Betonkonstruktionen resultieren, zu erheblichen Krafteinwirkungen auf den Körper des Fahrers sowie etwaiger Fahrzeuginsassen, die massive innere Verletzungen bis hin zu Genickbrücken nach sich ziehen.Such vehicle restraint systems are known from the prior art. In the recent past reinforced concrete structures have been used which have an upwardly tapering profile. Such profiles are referred to, for example, as a "New Jersey profile" or as a "step profile". It has been shown that such concrete structures have the advantage of not yielding in an impact situation and can therefore be used in relatively narrow installation situations for securing roadways. This supposed advantage, however, has serious consequences for the occupants of an impacting vehicle. The fact that the concrete structure does not yield in the event of a collision results in the entire impact energy having to be dissipated by the vehicle itself. Due to the conical profiling of the construction, it regularly happens that, in particular, smaller lightweight vehicles ascend as a result of an impact on the construction, are deflected back to the roadway and then fall back onto the roadway. This results in significant fluctuations of the vehicle, which are transmitted to the vehicle occupants. At worst, as a result of such an impact, the occupants may hit their head against a side rail of the vehicle, causing serious injury. Even in the absence of such a striking lead the considerable fluctuations that result from the sudden rejection of the vehicle from the non-compliant concrete structures, significant force on the body of the driver and any vehicle occupants, the massive internal injuries to neck bridges by themselves.

Gerade weil derartige schwerwiegende Verletzungen verstärkt auftreten, wird in jüngster Zeit darüber nachgedacht, wie bereits bestehende Betonkonstruktionen sicherer gemacht werden können.Precisely because such serious injuries occur more frequently, it is being considered recently how existing concrete constructions can be made safer.

Im Stand der Technik finden sich weitere Fahrzeugrückhaltesysteme wieder. Die FR 2 852 979 A1 und die WO 2011/029975 A2 offenbaren jeweils einen Durchrutschschutz für Motorradfahrer.In the prior art, further vehicle restraint systems can be found again. The FR 2 852 979 A1 and the WO 2011/029975 A2 each reveal a slip protection for motorcyclists.

Ferner offenbart die WO 2006/089321 A2 eine Schutzvorrichtung, die über ein elastisches Distanzelement, das mit dem oder den Stehern verbunden ist, um so eine vergrößerte Knautschzone bzw. einen verlängerten Abbremsweg für einen kollidierenden Gegenstrand zu schaffen.Further, the WO 2006/089321 A2 a protector connected via an elastic spacer connected to the stand (s) so as to provide an enlarged crumple zone for a colliding mating beach.

Darüber hinaus offenbart die US 2004/0 197 140 A1 eine Möglichkeit bereits bestehende Leitplanken ästhetisch zu verschönern.In addition, the reveals US 2004/0 197 140 A1 a possibility to aesthetically beautify already existing crash barriers.

Das Dokument WO 02/40779 A1 offenbart eine Vielzahl deformierbarer Komponenten, die dafür vorgesehen sind, an eine starre Absperranordnung angebracht zu werden.The document WO 02/40779 A1 discloses a plurality of deformable components intended to be attached to a rigid shut-off assembly.

Es ist daher eine Aufgabe der vorliegenden Erfindung, ein Fahrzeugrückhaltesystem der eingangs bezeichneten Art bereitzustellen, das die vorstehend geschilderten Nachteile vermeidet.It is therefore an object of the present invention to provide a vehicle restraint system of the type described, which avoids the disadvantages described above.

Diese Aufgabe wird durch ein Fahrzeugrückhaltesystem mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved by a vehicle restraint system having the features of patent claim 1.

Erfindungsgemäß wird also an einer bestehenden Wandkonstruktion, insbesondere an einer Betonkonstruktion an der der Fahrbahn zugewandten Seite eine Elastomerbahn angebracht. Diese Elastomerbahn ist versteift, um zu vermeiden, dass in Folge eines Anpralls eines Fahrzeugs die Elastomerbahn bei den dabei auftretenden hohen Kräften zerstört wird und im Wesentlichen wirkungslos bleibt Zum anderen sorgt sie für eine massive Erhöhung des Reibfaktors zwischen dem anprallenden Fahrzeug und dem Fahrzeugrückhaltesystem, sodass ein Aufsteigen des Fahrzeugs an dem Fahrzeugrückhaltesystem aufgrund der Reibung weitgehend unterbunden wird. Vielmehr wird das Fahrzeug stark abgebremst und reibt sozusagen entlang dem Fahrzeugrückhaltesystem, bis es nach Abbau eines erheblichen Anteils der Aufprallkräfte wieder zur Fahrbahn zurückgelenkt wird.According to the invention, therefore, an elastomeric sheet is attached to an existing wall construction, in particular to a concrete structure on the side facing the roadway. This elastomeric track is stiffened to prevent the elastomeric track from being destroyed and substantially ineffective at the high forces involved as a result of vehicle impact. Second, it provides a massive increase in the friction factor between the impacting vehicle and the vehicle restraint system An increase of the vehicle to the vehicle restraint system due to the friction is largely prevented. Rather, the vehicle is braked sharply and rubs so to speak along the vehicle restraint system until it is deflected back to the roadway after reducing a significant proportion of the impact forces.

Die Erfindung besitzt also den Vorteil, dass bereits bestehende Fahrzeugrückhaltesysteme aber auch neu installierte Fahrzeugrückhaltesysteme aus Beton mit einer entsprechenden Elastomerbahn versehen und so sicherer gestaltet werden können. Der Reibeffekt hat den Vorteil, dass das Fahrzeug an der Wandkonstruktion entlang reibt und entsprechend abgebremst wird.The invention thus has the advantage that already existing vehicle restraint systems but also newly installed vehicle restraint systems made of concrete can be provided with a corresponding elastomeric track and thus made safer. The frictional effect has the advantage that the vehicle rubs along the wall construction and is decelerated accordingly.

Gemäß einer Weiterbildung der Erfindung kann vorgesehen sein, dass die Elastomerbahn eine Mehrzahl schussartig zusammengesetzter Elastomermatten aufweist. So ist es möglich, dass die Elastomermatten in ihrer Länge entsprechend der Schussweite einzelner Wandelemente der Wandkonstruktion dimensioniert werden. Sie können aber auch länger oder kürzer ausgebildet sein. Eine Weiterbildung der Erfindung sieht vor, dass die Versteifungsstruktur von einer Gitterstruktur oder einer Wabenstruktur gebildet ist. Es hat sich gezeigt, dass die Ausbildung der Versteifungsstruktur in Form einer Gitterstruktur oder einer Wabenstruktur zu einer erheblichen Versteifung führt, sodass einer Zerstörung entgegengewirkt werden kann. Auch haben entsprechende Versteifungsstrukturen - Gitter oder Waben - dämpfenden Effekt für das anprallende Fahrzeug.According to one embodiment of the invention can be provided that the elastomeric web has a plurality of composite rubber-like composite mats. Thus, it is possible that the elastomer mats are dimensioned in their length corresponding to the shooting distance of individual wall elements of the wall construction. But they can also be made longer or shorter. A development of the invention provides that the stiffening structure is formed by a lattice structure or a honeycomb structure. It has been shown that the formation of the stiffening structure in the form of a grid structure or a honeycomb structure leads to a considerable stiffening, so that destruction can be counteracted. Also have corresponding stiffening structures - grid or honeycomb - damping effect for the impacting vehicle.

Eine Weiterbildung der Erfindung sieht vor, dass die Elastomerbahn mit einer im wesentlichen geschlossenen Anlagefläche an der Wandkonstruktion anliegt. Dadurch ist gewährleistet, dass die jeweilige Elastomerbahn sicher an der Wandkonstruktion angebracht werden kann. Auch lassen sich dadurch bessere Reibeffekte erzielen, beispielsweise dann, wenn in Folge der hohen Anprallkräfte die Versteifungsstruktur zerstört wird und nur noch die Anlagefläche bestehen bleibt.A development of the invention provides that the elastomeric web rests with a substantially closed bearing surface on the wall construction. This ensures that the respective elastomeric track can be securely attached to the wall construction. This also allows better frictional effects to be achieved, for example if, as a consequence of the high impact forces, the stiffening structure is destroyed and only the contact surface remains.

Zur Anbringung der jeweiligen Elastomerbahn ist es möglich, diese an der Wandkonstruktion festzukleben. Vorzugsweise ist vorgesehen, dass die Elastomerbahn mit Befestigungsbolzen an der Wandkonstruktion fixiert ist. Die Anzahl und der Ort der Anbringung der Bolzen ist dabei je nach Einsatzfall wählbar.For attaching the respective elastomeric track, it is possible to glue these to the wall construction. It is preferably provided that the elastomeric track is fixed with fastening bolts on the wall construction. The number and location of attachment of the bolt is selectable depending on the application.

Bekanntermaßen werden entsprechende Wandkonstruktionen sowohl zur Absperrung zweier Verkehrswege zueinander in der Fahrbahnmitte angeordnet. Alternativ können diese aber auch seitlich an einer Fahrbahn angebracht werden. Im erstgenannten Fall, das heißt zum Abtrennen zweier gegenläufiger Verkehrswege werden in der Regel Wandkonstruktionen verwendet, die beidseits wirksam sind, wobei die eine Seite dem einen Verkehrsweg und die andere Seite dem gegenläufigen Verkehrsweg zugewandt sind. In diesem Fall sieht eine Weiterbildung der vorliegenden Erfindung vor, dass die Elastomerbahn mit wenigstens einem Befestigungsbügel an der Wandkonstruktion angebracht ist. So lassen sich über die Befestigungsbügel beidseits der Wandkonstruktion entsprechende Elastomerbahnen anbringen. Es ist aber auch möglich, Befestigungsbügel zur lediglich einseitigen Anbringung entsprechender Elastomerbahnen zu verwenden. Entsprechende Befestigungsbügel können aber auch nur vorübergehend zur Befestigung der Elastomerbahnen verwendet werden, beispielsweise als Montagehilfe, in die die Elastomerbahnen in einer Solllage eingehängt werden können, dann die Befestigungsschrauben verbohrt werden können und danach die Befestigungsbügel wieder entfernt werden können.As is known, corresponding wall constructions are arranged both to block off two traffic routes to one another in the middle of the roadway. Alternatively, these can also be mounted laterally on a roadway. In the former case, ie for separating two opposing traffic routes wall constructions are usually used, which are effective on both sides, with one side facing the one traffic route and the other side facing the opposite traffic route. In this case, a development of the present invention provides that the elastomeric web is attached to at least one mounting bracket to the wall construction. So can be attached on both sides of the wall construction corresponding elastomeric tracks on the mounting bracket. But it is also possible to use mounting bracket for only one-sided attachment of appropriate elastomeric webs. However, corresponding mounting bracket can also be used only temporarily for fixing the elastomeric sheets, for example as an assembly aid, in which the elastomeric sheets can be hung in a desired position, then the mounting screws can be drilled and then the mounting bracket can be removed again.

Zur Vereinfachung der Montage und zur Anbringung einer Vielzahl von Befestigungsbolzen ist es gemäß einer Weiterbildung der Erfindung möglich, dass die Elastomerbahn eine Vielzahl von Montagebohrungen aufweist. Bevorzugt ist in der Versteifungsstruktur in regelmäßigen Abständen jeweils eine Montagebohrung bereits bei deren Fertigung eingebracht. So kann bei einer Wabenstruktur beispielsweise in jeder Wabe zentral eine Montagebohrung vorgesehen sein.To simplify the assembly and attaching a plurality of fastening bolts, it is possible according to a development of the invention that the elastomeric web has a plurality of mounting holes. Preferably, in each case a mounting hole is already introduced in the stiffening structure during their production. Thus, in the case of a honeycomb structure, for example, a mounting bore can be centrally provided in each honeycomb.

Um zu vermeiden, dass sich in der Versteifungsstruktur oder anderweitig an der Elastomerbahn Wasser sammelt, kann erfindungsgemäß ferner vorgesehen sein, dass die Elastomerbahn Wasserabflussöffnungen aufweist. Dies erhöht die Witterungsbeständigkeit des erfindungsgemäßen Fahrzeugrückhaltesystems.In order to avoid that water collects in the stiffening structure or otherwise on the elastomeric track, according to the invention it can further be provided that the elastomeric web has water drainage holes. This increases the weather resistance of the vehicle restraint system according to the invention.

Üblicherweise ist im Zusammenhang mit der Erfindung vorgesehen, dass die Wandkonstruktion eine Mehrzahl schussweise zusammengesetzter massiver Wandelemente aufweist. Dabei ist insbesondere vorgesehen, dass die Wandkonstruktion aus Beton hergestellt ist. Es versteht sich, dass die vorliegende Erfindung auch bei einer Ortbetonschutzwand Anwendung finden kann, welche mittels Gleitschalenfertiger nahtlos im Endlosband auf der Baustelle hergestellt wurde.Usually, it is provided in connection with the invention that the wall construction has a plurality of shot-wise composite solid wall elements. It is provided in particular that the wall construction is made of concrete. It is understood that the present invention can also be applied to an in-situ concrete protection wall, which was produced by means of sliding shell paver seamlessly in the endless belt on the construction site.

Die Erfindung betrifft ferner eine Elastomerbahn für ein Fahrzeugrückhaltesystem der eingangs beschriebenen Art.The invention further relates to an elastomeric web for a vehicle restraint system of the type described above.

Die Erfindung wird im Folgenden beispielhaft anhand der beiliegenden Figuren erläutert. Es stellen dar:

Figur 1
eine perspektivische Ansicht eines erfindungsgemäßen Fahrzeugrückhaltesystems im Vormontagezustand;
Figur 2
eine Vorderansicht des erfindungsgemäßen Fahrzeugrückhaltesystems;
Figur 3
eine Draufsicht auf das erfindungsgemäße Fahrzeugrückhaltesystem;
Figur 4
eine achsorthogonale Schnittansicht einer ersten Ausführungsform des erfindungsgemäßen Fahrzeugrückhaltesystems; und
Figur 5
eine Ansicht entsprechend Figur 4 eines zweiten Ausführungsbeispiels des erfindungsgemäßen Fahrzeugrückhaltesystems.
The invention is explained below by way of example with reference to the accompanying figures. They show:
FIG. 1
a perspective view of a vehicle restraint system according to the invention in the pre-assembly state;
FIG. 2
a front view of the vehicle restraint system according to the invention;
FIG. 3
a plan view of the vehicle restraint system according to the invention;
FIG. 4
an achsorthogonal sectional view of a first embodiment of the vehicle restraint system according to the invention; and
FIG. 5
a view accordingly FIG. 4 A second embodiment of the vehicle restraint system according to the invention.

In Figur 1 ist ein erfindungsgemäßes Fahrzeugrückhaltesystem gezeigt und allgemein mit 10 bezeichnet. Man erkennt, dass dieses eine Wandkonstruktion 12 aus einer Mehrzahl schussartig zusammengesetzter Wandelemente 14, 16 aus Beton aufweist. Diese sind im sogenannten Step-Profil ausgeführt, das heißt sie laufen nach oben hin konisch zu und haben in ihrem nahe dem Untergrund liegenden unteren Bereich eine Verdickung 18. Man erkennt, dass an den einzelnen Wandelementen 14 und 16 beidseitig Elastomermatten 20, 22, 24 angebracht sind. Diese Elastomermatten werden mit entsprechenden Bolzen 26 und Unterlegscheiben 28 an der Wandkonstruktion 12 angebracht.In FIG. 1 an inventive vehicle restraint system is shown and generally designated 10. It can be seen that this has a wall construction 12 of a plurality of cast-like wall elements 14, 16 made of concrete. These are executed in the so-called step profile, that is, they run upwards conically and have in their lying near the ground lower portion a thickening 18. It can be seen that on the individual wall elements 14 and 16 on both sides of elastomer mats 20, 22, 24th are attached. These elastomeric mats are attached to the wall structure 12 with corresponding bolts 26 and washers 28.

Es versteht sich, dass die vorliegende Erfindung auch bei einer Ortbetonschutzwand Anwendung finden kann, welche mittels Gleitschalenfertiger im Endlosband auf der Baustelle hergestellt wurde.It is understood that the present invention can also be used in an in-situ concrete protection wall, which was manufactured by means of sliding shell pavers in the endless belt on the construction site.

Die Elastomermatten 20, 22, 24 weisen eine durchgehende Rückwand 30 auf, besitzen jedoch an ihrer der Fahrbahn zugewandten Vorderseite eine Wabenstruktur mit regelmäßigen polygonale (hier sechseckige) Waben. Diese haben eine Tiefe b von mehreren Zentimetern. In den einzelnen Waben sind Bohrungen 31 angebracht, um eine beliebige Anbringung von Befestigungsbolzen zu ermöglichen, wie im Folgenden noch erläutert. Diese Bohrungen 31 dienen auch dazu, um zu verhindern, dass sich darin Wasser sammelt. Zusätzlich oder alternativ zu den Bohrungen 31 können aber auch weitere Öffnungen oder Bohrungen in den Waben zum Wasserablauf vorgesehen sein, die beispielsweise bei der Herstellung der Wabenstruktur mit hergestellt werden.The elastomer mats 20, 22, 24 have a continuous rear wall 30, but have on their front side facing the roadway, a honeycomb structure with regular polygonal (hexagonal here) honeycomb. These have a depth b of several centimeters. In the individual honeycomb bores 31 are mounted to allow any attachment of mounting bolts, as explained below. These holes 31 also serve to prevent water from being collected therein. In addition or as an alternative to the bores 31, however, it is also possible for further openings or bores to be provided in the honeycomb for draining the water, which are produced, for example, in the production of the honeycomb structure.

Die Stärke d der Elastomermatten 20, 22, 24 ist so gewählt, dass diese weiter von dem Wandprofil abstehen, als der Sprung zwischen dem unteren verstärkten Bereich 18 und dem darüber liegenden schmäleren Bereich 19. Diese Stärkendimensionierung ist insbesondere in den Figuren 4 und 5 anhand der Dimension s zu erkennen.The thickness d of the elastomeric mats 20, 22, 24 is chosen so that they protrude further from the wall profile than the jump between the lower reinforced portion 18 and the overlying narrower portion 19. This thickness dimensioning is particularly in the FIGS. 4 and 5 to recognize by the dimension s.

In der Vorderansicht gemäß Figur 2 und der Draufsicht gemäß Figur 3 des montierten Fahrzeugrückhaltesystems erkennt man, dass die Elastomermatten 20, 22, 24 nahtlos entsprechend der Schussweite der einzelnen Wandelemente 14, 16 (oder in regelmäßigen Abständen an einer nahtlosen Ortbetonwand) aneinandergefügt sind. In Figur 3 erkennt man, dass beidseits des Strangs 12 aus Wandelementen 14, 16 etc. entsprechende Elastomermatten 22, 24 etc. angebracht sind.In front view according to FIG. 2 and the plan view according to FIG. 3 of the mounted vehicle restraint system it can be seen that the elastomer mats 20, 22, 24 are joined together seamlessly according to the shooting distance of the individual wall elements 14, 16 (or at regular intervals on a seamless Ortbetonwand). In FIG. 3 recognizes that on both sides of the strand 12 of wall elements 14, 16, etc. appropriate elastomeric mats 22, 24 are attached etc.

Figur 4 zeigt einen Querschnitt durch das erfindungsgemäße Fahrzeugrückhaltesystem 10. Insbesondere lässt dieser Querschnitt erkennen, dass die Elastomermatten 22, 24 über entsprechende Befestigungsbolzen 26 an dem Wandelement 16 angebracht sind. Auch erkennt man den verdickten unteren Abschnitt 18 sowie den Rücksprung zu dem oberen Abschnitt 19. Ferner erkennt man, dass die Elastomermatten um den Betrag s größer dimensioniert sind als dieser Rücksprung. Schließlich erkennt man auch dass die mattenförmig ausgebildeten Elastomerbahnen eine durchgehende Rückwand 30 mit entsprechenden Befestigungsöffnungen 31 aufweisen. FIG. 4 shows a cross section through the vehicle restraint system 10 according to the invention. In particular, this cross-section can be seen that the elastomer mats 22, 24 are mounted on the wall element 16 via corresponding fastening bolts 26. It can also be seen that the thickened lower portion 18 and the return to the upper portion 19. Furthermore, it can be seen that the elastomeric mats are dimensioned larger by the amount s than this return. Finally, it can also be seen that the mat-shaped elastomeric sheets have a continuous rear wall 30 with corresponding fastening openings 31.

Figur 5 zeigt eine Abwandlung der Ausführungsform gemäß Figur 4, anders als bei der Ausführungsform gemäß Figur 4 werden bei der Ausführungsform gemäß Figur 5 die Elastomerbahnen einfach über einen Befestigungsbügel 40 mit entsprechenden Befestigungszapfen 42 auf ein entsprechendes Wandelement 16 aufgehängt. Gegebenenfalls können diese noch zusätzlich mit korrespondierenden Befestigungsbolzen 26 (in Figur 5 nicht gezeigt) fixiert werden. Ansonsten sind die Elastomermatten 20, 22, 24 ebenfalls wabenförmig ausgebildet, wie in Figur 4 gezeigt und mit Bezug auf Figuren 1 bis 3 beschrieben. Die in Figur 5 gezeigte Abwandlung kann auch nur einen vorübergehenden Zustand während der Montage darstellen. So wird dann der Befestigungsbügel 40 lediglich vorübergehend als Montagehilfe für die Elastomermatten 20, 20, 24 verwendet und nach Befestigung der Elastomermatten an der Betonwand mittels geeigneter Befestigungsbolzen 26 in der in Figur 4 gezeigten Weise anschließend wieder entfernt. Beide Varianten - Befestigungsbügel 40 als dauerhafte Befestigung oder Befestigungsbügel 40 als Montagehilfe - sind von Vorteil. FIG. 5 shows a modification of the embodiment according to FIG. 4 unlike the embodiment according to FIG FIG. 4 be in the embodiment according to FIG. 5 the elastomeric sheets are simply hung on a mounting bracket 40 with corresponding mounting pins 42 on a corresponding wall element 16. Optionally, these may additionally with corresponding mounting bolts 26 (in FIG. 5 not shown). Otherwise, the elastomer mats 20, 22, 24 are also honeycomb-shaped, as in FIG. 4 shown and related to FIGS. 1 to 3 described. In the FIG. 5 shown modification may also represent only a temporary state during assembly. Thus, then the mounting bracket 40 is only temporarily used as an assembly aid for the elastomer mats 20, 20, 24 and after attachment of the elastomer mats to the concrete wall by means of suitable fastening bolts 26 in the in FIG. 4 subsequently removed again. Both variants - mounting bracket 40 as a permanent attachment or mounting bracket 40 as an assembly aid - are beneficial.

Die Erfindung hat den Vorteil, dass bestehende Betonschutzwände mit entsprechenden Elastomermatten 20, 22, 24 nachgerüstet werden können. In einer Anprallsituation, bei der ein Fahrzeug an eine solche Betonschutzwand anprallt, sorgen diese Elastomerbahnen dafür, dass das Fahrzeug abgebremst wird. Die Elastomerbahnen haben insbesondere Reibungseffekt und verhindern ein allzu heftiges Ansteigen des Fahrzeugs an der schrägen Kontur des Betonprofils. Dabei wirkt die Wabenstruktur dämpfend. Das Fahrzeug reibt sozusagen an der Elastomerbahn entlang, wobei Anprallenergie abgebaut wird. Diese Reibung hat auch den Effekt, dass das Fahrzeug einseitig abgebremst und somit immer wieder hin zum Betonprofil geleitet wird.The invention has the advantage that existing concrete protection walls can be retrofitted with corresponding elastomer mats 20, 22, 24. In an impact situation in which a vehicle impacts on such a concrete protective wall, these rubber sheets ensure that the vehicle is braked. The elastomeric sheets in particular have a frictional effect and prevent an excessive increase of the vehicle at the oblique contour of the concrete profile. The honeycomb structure has a dampening effect. The vehicle rubs along the Elastomerbahn, as it were, whereby impact energy is dissipated. This friction also has the effect that the vehicle is decelerated on one side and thus repeatedly directed towards the concrete profile.

Insgesamt ergibt sich eine erheblich verbesserte Umlenkung des anprallenden Fahrzeugs als bei einem Betonprofil ohne entsprechende Elastomerbahnen.Overall, a significantly improved deflection of the impacting vehicle results than in a concrete profile without corresponding elastomeric tracks.

Claims (11)

  1. A vehicle retention system (10) for the lateral protection of a roadway, comprising a wall construction (12) which laterally limits the roadway, wherein the wall construction (12) is provided with a planar elastomer web (20, 22, 24) on its side facing the roadway,
    characterised in that the elastomer web is formed mat-shaped and comprises a continuous rear wall (30) with fastening holes (31), wherein the elastomer web comprises a reinforcing structure, and wherein the reinforced elastomer web is adapted to relieve impact forces by virtue of a certain inherent deformation.
  2. The vehicle retention system (10) according to Claim 1,
    characterised in that the elastomer web comprises a plurality of weft-type combined elastomer mats (20, 22, 24).
  3. The vehicle retention system (10) according to Claim 1 or 2,
    characterised in that the reinforcing structure is formed by a grid structure or a honeycomb structure.
  4. The vehicle retention system (10) according to one of the previous claims, characterised in that the elastomer web (20, 22, 24) is in contact with the wall construction (12) through an essentially closed contact surface (30).
  5. The vehicle retention system (10) according to one of the previous claims, characterised in that the elastomer web (20, 22, 24) is fixed at the wall construction (12) by means of fastening bolts (26).
  6. The vehicle retention system (10) according to one of the previous claims, characterised in that the elastomer web (20, 22, 24) is temporarily or permanently attached at the wall construction (12) by means of at least one fastening bracket (40) as an installation aid.
  7. The vehicle retention system (10) according to one of the previous claims, characterised in that the elastomer web (20, 22, 24) comprises a plurality of mounting holes (31).
  8. The vehicle retention system (10) according to one of the previous claims, characterised in that the elastomer web (20, 22, 24) comprises a plurality of water drainage openings.
  9. The vehicle retention system (10) according to one of the previous claims, characterised in that the wall construction (12) is built as a seamless in-situ concrete wall or comprises a plurality of weft-type combined solid wall elements (14, 16).
  10. The vehicle retention system (10) according to one of the previous claims, characterised in that the wall construction (12) is built from concrete.
  11. An elastomer web (20, 22, 24) which may be attached to the side of a wall construction (12) of a vehicle retention system (10), which faces the roadway, according to one of the previous claims,
    characterised in that the elastomer web is formed mat-shaped and comprises a continuous rear wall (30) with fastening holes (31), wherein the elastomer web comprises a reinforcing structure, and wherein the reinforced elastomer web is adapted to relieve impact forces by virtue of a certain inherent deformation.
EP12001840.3A 2011-05-02 2012-03-19 Vehicle retention system with impact mats Active EP2520719B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12001840T PL2520719T3 (en) 2011-05-02 2012-03-19 Vehicle retention system with impact mats

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110100157 DE102011100157A1 (en) 2011-05-02 2011-05-02 Vehicle restraint with impact mats

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EP2520719A2 EP2520719A2 (en) 2012-11-07
EP2520719A3 EP2520719A3 (en) 2016-09-21
EP2520719B1 true EP2520719B1 (en) 2017-11-29

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EP (1) EP2520719B1 (en)
DE (1) DE102011100157A1 (en)
ES (1) ES2653838T3 (en)
NO (1) NO2520719T3 (en)
PL (1) PL2520719T3 (en)

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RU2807534C1 (en) * 2023-03-06 2023-11-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" (ТвГТУ) Road bumper

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AT517994B1 (en) * 2015-11-16 2017-12-15 Rebloc Gmbh guide wall

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WO2002040779A1 (en) * 2000-11-15 2002-05-23 Tim Lee Williams Impact absorbing barrier

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Publication number Priority date Publication date Assignee Title
FR2852979B1 (en) * 2003-03-24 2008-04-18 Gen L Equimement Routier DEVICE FOR LIMITING SHOCKS AGAINST A ROAD SAFETY BARRIER OR WALL, BARRIER SCREEN AND CORRESPONDING PROTECTION SYSTEMS
US20040197140A1 (en) * 2003-04-04 2004-10-07 Matthew Maleska Attachable traffic barrier amenities
AT501657B1 (en) * 2005-02-24 2008-05-15 Spelitz Knut Dr SAFETY DEVICE FOR TRAFFIC ROUTES
ES2332642B2 (en) * 2009-09-09 2010-10-25 Universidad Politecnica De Valencia ROAD SAFETY SYSTEM FOR MOTORCYCLES.

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Publication number Priority date Publication date Assignee Title
WO2002040779A1 (en) * 2000-11-15 2002-05-23 Tim Lee Williams Impact absorbing barrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2807534C1 (en) * 2023-03-06 2023-11-16 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" (ТвГТУ) Road bumper
RU2815336C1 (en) * 2023-06-06 2024-03-13 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" (ТвГТУ) Road baffle

Also Published As

Publication number Publication date
EP2520719A3 (en) 2016-09-21
ES2653838T3 (en) 2018-02-09
NO2520719T3 (en) 2018-04-28
EP2520719A2 (en) 2012-11-07
DE102011100157A1 (en) 2012-11-08
PL2520719T3 (en) 2018-03-30

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