EP1455018B1 - Noise protection wall - Google Patents

Noise protection wall Download PDF

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Publication number
EP1455018B1
EP1455018B1 EP04004103A EP04004103A EP1455018B1 EP 1455018 B1 EP1455018 B1 EP 1455018B1 EP 04004103 A EP04004103 A EP 04004103A EP 04004103 A EP04004103 A EP 04004103A EP 1455018 B1 EP1455018 B1 EP 1455018B1
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EP
European Patent Office
Prior art keywords
noise protection
wall according
noise
protection wall
posts
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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.)
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EP04004103A
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German (de)
French (fr)
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EP1455018A1 (en
Inventor
Wolfgang Maas
Felix Lublow
Walter Komm
Georg Grötz
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Maas Profile & Co KG GmbH
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Maas Profile & Co KG GmbH
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Publication of EP1455018A1 publication Critical patent/EP1455018A1/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
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0052—Grate-style, e.g. as wall facing
    • E01F8/0058—Grate-style, e.g. as wall facing with damping material, e.g. rockwool, sand
    • 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
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0011—Plank-like elements

Definitions

  • the invention relates to a noise barrier for shielding traffic routes or other sources of noise according to the preamble of the independent claim.
  • a noise barrier is eg from the DE-U-29 510 861 known.
  • the wall elements consist of stacked horizontally elongated cassettes between posts, which are made of rolled sections preferably made of aluminum sheet in lightweight construction.
  • the individual wall parts are connected by means of screws or rivets, which often leads to problems however by shearing or abrasion of the connecting means.
  • a disadvantage has also been found that in movements of the posts or bending of the cassettes under high load, a stable holder is no longer ensured.
  • Another problem is that in case To ensure damage to the overhead line on railroad tracks required grounding of the noise barriers without consuming and disturbing design architectural measures.
  • the present invention seeks to avoid the disadvantages of the prior art and to improve a noise barrier to the effect that a high stability and stability is achieved and as maintenance-free long service life without affecting the visual appearance is possible.
  • the noise protection cassettes are supported by means of resiliently deformable spacers frontally relative to the groove bottom of the grooves. This makes it possible that longitudinal movements of the cassettes can be compensated due to stress or thermal influences. In particular, this prevents the cassettes from moving uncontrollably towards a post and at high pressure. or suction loads for reasons of deformation come out of the holder.
  • the spacers are preferably formed as arcuate leaf springs by spring elements.
  • the spacers are held on the noise protection cassettes via a form-locking or latching connection.
  • the spacers are at the same time designed as electrically conductive connecting elements for earthing the noise protection cassettes over the posts, so that the safety requirements are met especially in the case of cracking of the overhead line of a railway line.
  • the posts are also designed as a grounding conductor electrically conductive.
  • electrically non-conductive posts for example made of concrete, it is possible that the posts have a running in the region of the receiving groove grounding rail.
  • a further embodiment provides that the wall parts are connected to one another via a joining or material connection connection free from the outside of the noise protection cassettes projecting connecting means.
  • the joints are thus largely abrasion resistant, which has a beneficial effect particularly in the field of posts.
  • a particularly advantageous embodiment provides that the wall parts are punctiformly connected to each other by push-through points, wherein deep-drawn areas engaging behind form a joint connection in adjoining wall parts.
  • the wall parts extending in the longitudinal direction of the noise protection cassettes are connected to each other in a middle section via penetration points.
  • the front-side wall parts In the end face region of the cassettes, it is possible for the front-side wall parts to have openings for the tool engagement for the production of penetration points.
  • the noise protection cassettes have a top flange and bottom flange, which are formed as separate wall parts by extruded profiles. This ensures greater stability for larger spans. In addition, a high accuracy of fit can be achieved, which mainly comes into play between stacked cartridges in the mutual engagement area. According to the static requirements, the wall thickness of the extruded profiles can be variably adjusted. It can also be produced projecting profile parts that are not possible by simply bending.
  • the extruded profiles have a tongue and groove connection for superposed cassette elements.
  • the tongue and groove connection has toothed or roughened profile surfaces.
  • a further advantageous embodiment in particular with regard to the holding of rainwater, provides that pairs of projecting profile angles are formed on the upper and lower chords for holding lateral wall parts of the noise protection cassettes, the upwardly projecting profile angles of the upper chords being arranged laterally away from the edge of the belt are and the downwardly projecting profile angle of the lower chords form the edge of the belt.
  • the vertical side wall portions have longitudinal beads for stiffening, wherein the upper bead edges are formed as drip noses, so that contamination by running rainwater can be reduced.
  • a further improvement is achieved in that a cover profile is preferably held on the upper noise protection cassette via a tongue and groove connection, wherein the cover has a flat or upwardly curved or roof-shaped cover surface and optionally covers the posts at least partially.
  • the train protection preferably is concealed in the visible concealed in a profile chamber extending between the cover and the upper noise protection cassette.
  • the noise protection wall shown in the drawing consists essentially of a plurality of spaced apart vertical posts 10 and between the posts 10 horizontally superposed noise protection cassettes 12 and an upper cover 14th
  • the posts 10 are vertically anchored as H-shaped steel profile support in concrete pedestals 16, wherein the limited by the H-profile grooves 18 for the noise protection cassettes 12 point in the direction of the wall.
  • concrete posts can also be used.
  • the noise protection cassettes 12 are made of aluminum in lightweight construction, the lower noise protection member 20 may be made of concrete to increase the stability.
  • the noise protection cassettes 12 are supported by means of elastic spacers 22 frontally opposite the groove base 26 of the receiving grooves 18 formed by the profile web 24 of the post 10, so that longitudinal movements can be cushioned.
  • the spacers 22 are formed as arcuate leaf springs and held on a hook-shaped end via a positive connection 28 to the noise protection cassettes 12. It is envisaged that the spacer 22 expedient only after insertion Noise protection cassettes 12 are inserted into the receiving grooves 18 in the connecting position.
  • the existing of spring steel spacers 22 also form electrically conductive fasteners to allow grounding of the noise protection cassettes 12 and the associated upper cover 14 over the electrically conductive posts 10.
  • a pull or safety rope 30 is provided, which runs concealed between the cover 14 and the upper noise protection cassette 12.
  • the noise protection cassettes from a top flange 32, a bottom flange 34 and two side wall portions 36 and end wall portions 38 are box-shaped composition.
  • interior halves 42 of the noise protection cassettes 12 each an insulating layer 44 is disposed of a sound-absorbing material.
  • the remaining wall portions 32, 34, 38 consist of cut extruded profiles.
  • the horizontally stacked noise protection cassettes 12 are connected by means of a tongue and groove connection 46 between the lower flange 34 and upper flange 32. How out 6 and 7 can be seen, the upper flange 32 for this purpose, two spaced-apart, internally toothed profile ribs 48, between which a spring profile 50 of the lower belt 34 is positively inserted. About the toothed rib surfaces 52 while a force increase is effected.
  • profile grooves 54 are provided on upper and lower flange. Further profile ribs 56, 58 allow the insulating mats 44 to be mounted at a distance from the side wall parts 36.
  • upwardly projecting retaining angles 60 are formed on the top flange 32. These are arranged at a lateral distance from the belt edge or the profile outer edge 62, so that the penetration of rain water is difficult.
  • profile angle 64 which are formed there by downwardly projecting Randabkantept.
  • covering profile 14 is provided with downwardly projecting, externally toothed profile ribs 66, through which instead of a spring profile 50, a connection with the profile ribs 52 of a top flange 32 can be created.
  • the cover 14 has a flat covering surface 68, which allows a free water drain via a slightly over the side walls 36 protruding Profileumbug 70.
  • end wall portion 38 also has Randabkanteptept to rest against the side wall portions 36 and inwardly offset profile ribs 74 for holding the insulating mats 44. Additional profile angle 76 allow the attachment of the leaf spring 22nd
  • connection of the wall parts takes place after fürsetzglageclar, in which in abutting wall areas by a pliers-like tool with punch and die a punctiform engrossing deep-drawn is created in which by interlocking interlocking under plastic deformation a joining joint entscher Deformation creates a joint joint.
  • This method is per se, for example, from DE-A-199 29 377 known. This makes it possible to provide joints free of protruding connecting means, so that problems caused by shearing or abrasion are avoided.
  • edge regions 78 of the side wall parts 36 in the middle region of the noise protection cassettes 12 are connected via penetration points 80 to the profile angles 60 of the upper belts 32 (FIG. Fig. 3 ).
  • the connection of the frontally mounted end wall parts 38 also takes place via clinching points 80 in the folded edge regions 72 (FIG. Fig. 4 ).
  • the end wall portions 34 are provided with suitable apertures (not shown).
  • the noise protection cassettes 12 engage at their front ends in the receiving grooves 18 of the post 10 a.
  • elastomer profiles 82 are provided on both sides, which extend along the free edges of the end wall parts 38 vertically. In this case, despite the insulating elastomer profiles, an electrical connection can be mediated via the spacers 22.
  • the side wall parts have longitudinal indents or beads 84 for stiffening. These may be provided at their upper edges with not shown drip noses for water drainage.
  • the side wall parts 36 facing the noise source are perforated in a grid-shaped manner.

Abstract

The acoustic barrier wall, as insulation against the noise of traffic and the like, is supported by vertical posts (10) with an H-shaped profile, anchored in concrete (16). Acoustic barrier cassettes (12) are inserted over each other between the posts, with their ends fitting into the grooves (18) formed by the post profiles, with a top covering profile (14). The cassettes are held in place by sprung spacers at their ends as bent leaf springs, to press against the base of the mounting grooves. The cassettes are filled with a sound-absorbent material.

Description

Die Erfindung betrifft eine Lärmschutzwand zur Abschirmung von Verkehrswegen oder sonstigen Lärmquellen gemäß dem Oberbegriff des unabhängigen Patentanspruchs. Eine solche Lärmschutzwand ist z.B aus der DE-U-29 510 861 bekannt.The invention relates to a noise barrier for shielding traffic routes or other sources of noise according to the preamble of the independent claim. Such a noise barrier is eg from the DE-U-29 510 861 known.

Solche Lärmschutzwände werden insbesondere entlang von Bahnstrecken installiert, um durch Schalldämmung und Schallabsorption zu verhindern, dass in den umliegenden Gebieten durch Lärm die Lebensqualität sinkt. Neben den akustischen Eigenschaften sind auch die bautechnischen Anforderungen vor allem hinsichtlich einfacher Montage und Standsicherheit gegenüber Windlasten sowie Lasten aus Druck- und Sogwirkung vorbeifahrender Züge zu berücksichtigen. In herkömmlicher Bauweise bestehen die Wandelemente aus zwischen Pfosten übereinander gehaltenen, waagerecht-langgestreckten Kassetten, die aus Walzprofilen vorzugsweise aus Aluminiumblech in Leichtbauweise gefertigt sind. Die einzelnen Wandteile werden dabei mittels Schrauben oder Nieten verbunden, was häufig jedoch durch Abscheren oder Abscheuern der Verbindungsmittel zu Problemen führt. Als nachteilig hat sich auch herausgestellt, dass bei Bewegungen der Pfosten oder Verbiegen der Kassetten unter hoher Belastung die eine stabile Halterung nicht mehr sichergestellt ist. Ein weiteres Problem besteht darin, die für den Fall einer Beschädigung der Oberleitung an Bahnstrecken geforderte Erdung der Lärmschutzwände ohne aufwändige und gestalterisch störende Baumaßnahmen zu gewährleisten.Such noise barriers are installed in particular along railway lines in order to prevent sound quality and noise reduction in the surrounding areas due to noise and sound absorption. In addition to the acoustic properties, the structural requirements are also to be considered above all with regard to simple assembly and stability against wind loads as well as loads due to the pressure and suction effect of passing trains. In conventional construction, the wall elements consist of stacked horizontally elongated cassettes between posts, which are made of rolled sections preferably made of aluminum sheet in lightweight construction. The individual wall parts are connected by means of screws or rivets, which often leads to problems however by shearing or abrasion of the connecting means. A disadvantage has also been found that in movements of the posts or bending of the cassettes under high load, a stable holder is no longer ensured. Another problem is that in case To ensure damage to the overhead line on railroad tracks required grounding of the noise barriers without consuming and disturbing design architectural measures.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, die im Stand der Technik aufgetretenen Nachteile zu vermeiden und eine Lärmschutzwand dahingehend zu verbessern, dass eine hohe Stabilität und Standsicherheit erreicht wird und eine möglichst wartungsfreie lange Nutzungsdauer ohne Beeinträchtigung des optischen Erscheinungsbilds möglich ist.Based on this, the present invention seeks to avoid the disadvantages of the prior art and to improve a noise barrier to the effect that a high stability and stability is achieved and as maintenance-free long service life without affecting the visual appearance is possible.

Zur Lösung dieser Aufgabe wird die im unabhängigen Patentanspruch angegebene Merkmalskombination vorgeschlagen. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.To solve this problem, the combination of features specified in the independent claim is proposed. Advantageous embodiments and modifications of the invention will become apparent from the dependent claims.

Entsprechend wird gemäß der Erfindung unter Anderem vorgeschlagen, dass die Lärmschutzkassetten über federelastisch verformbare Abstandshalter stirnseitig gegenüber dem Nutgrund der Aufnahmenuten abgestützt sind. Dadurch ist es möglich, dass Längsbewegungen der Kassetten aufgrund von Belastungen oder thermischen Einflüssen kompensiert werden können. Insbesondere wird dadurch verhindert, dass die Kassetten sich unkontrolliert zu einem Pfosten hin bewegen und bei hohen Druck- bzw. Soglasten verformungsbedingt aus der Halterung treten.Accordingly, it is proposed according to the invention, inter alia, that the noise protection cassettes are supported by means of resiliently deformable spacers frontally relative to the groove bottom of the grooves. This makes it possible that longitudinal movements of the cassettes can be compensated due to stress or thermal influences. In particular, this prevents the cassettes from moving uncontrollably towards a post and at high pressure. or suction loads for reasons of deformation come out of the holder.

Vorteilhafterweise sind die Abstandshalter vorzugsweise als bogenförmige Blattfedern durch Federelemente gebildet. Zur vereinfachten Montage ist es von Vorteil, wenn die Abstandshalter über eine Formschluss- oder Rastverbindung an den Lärmschutzkassetten gehalten sind.Advantageously, the spacers are preferably formed as arcuate leaf springs by spring elements. For simplified installation, it is advantageous if the spacers are held on the noise protection cassettes via a form-locking or latching connection.

Gemäß der Erfindung sind die Abstandshalter zugleich als elektrisch leitende Verbindungselemente zur Erdung der Lärmschutzkassetten über die Pfosten ausgebildet, so dass die Sicherheitsanforderungen speziell für den Fall eines Reißens der Oberleitung einer Bahnstrecke erfüllt sind.According to the invention, the spacers are at the same time designed as electrically conductive connecting elements for earthing the noise protection cassettes over the posts, so that the safety requirements are met especially in the case of cracking of the overhead line of a railway line.

Die Pfosten sind zugleich als Erdungsleiter elektrisch leitend ausgebildet. Bei elektrisch nicht leitenden Pfosten beispielsweise aus Beton ist es möglich, dass die Pfosten eine im Bereich der Aufnahmenut verlaufende Erdungsschiene aufweisen.The posts are also designed as a grounding conductor electrically conductive. In electrically non-conductive posts, for example made of concrete, it is possible that the posts have a running in the region of the receiving groove grounding rail.

Ein weiterer Zusatznutzen der Abstandshalter wird dadurch erreicht, dass die Lärmschutzkassetten paarweise durch die Abstandshalter verbunden sind.Another added benefit of the spacers is achieved in that the noise protection cassettes are connected in pairs by the spacers.

Eine weitere Ausführung sieht vor, dass die Wandteile über eine Füge- oder Stoffschlussverbindung frei von außenseitig an den Lärmschutzkassetten abstehenden Verbindungsmitteln fest miteinander verbunden sind. Die Verbindungsstellen sind dadurch weitgehend abschabungssicher, was sich insbesondere im Bereich der Pfosten vorteilhaft auswirkt.A further embodiment provides that the wall parts are connected to one another via a joining or material connection connection free from the outside of the noise protection cassettes projecting connecting means. The joints are thus largely abrasion resistant, which has a beneficial effect particularly in the field of posts.

Eine besonders vorteilhafte Ausführung sieht vor, dass die Wandteile durch Durchsetzfügepunkte punktförmig miteinander verbunden sind, wobei hintergreifende Tiefziehbereiche in aneinanderliegenden Wandteilen eine Fügeverbindung bilden. Dadurch kann eine günstige Lastaufnahme ohne die Gefahr eines Abscherens von Verbindungsmitteln erreicht werden, und ein Wassereintritt durch die Verbindungsstellen wird vermieden.A particularly advantageous embodiment provides that the wall parts are punctiformly connected to each other by push-through points, wherein deep-drawn areas engaging behind form a joint connection in adjoining wall parts. As a result, a favorable load bearing without the risk of shearing off of connection means can be achieved, and water ingress through the connection points is avoided.

Um Längenausdehnungen weitgehend ohne Beanspruchung der Verbindungsstellen zu erlauben, ist es vorteilhaft, wenn die in Längsrichtung der Lärmschutzkassetten sich erstreckenden Wandteile in einem Mittelabschnitt über Durchsetzfügepunkte miteinander verbunden sind.In order to allow length expansions largely without stress on the connection points, it is advantageous if the wall parts extending in the longitudinal direction of the noise protection cassettes are connected to each other in a middle section via penetration points.

Für eine einfache Herstellung der Fügepunkte durch umgreifende Werkzeuge und verdeckte Anordnung der Verbindungsstellen ist es vorteilhaft, wenn die Wandteile im Bereich von an einem Ober- und/oder Untergurt der Lärmschutzkassetten abstehenden Profilelementen punktförmig miteinander verbunden sind.For a simple production of the joining points by encompassing tools and concealed arrangement of the connection points, it is advantageous if the wall parts in the range of at a top and / or bottom flange of the noise protection cassettes protruding profile elements are punctiform interconnected.

Im Stirnseitenbereich der Kassetten ist es möglich, dass die stirnseitigen Wandteile Durchbrüche für den Werkzeugeingriff zur Herstellung von Durchsetzfügepunkten aufweisen.In the end face region of the cassettes, it is possible for the front-side wall parts to have openings for the tool engagement for the production of penetration points.

Gemäß einer weiteren Ausführung weisen die Lärmschutzkassetten einen Obergurt und Untergurt auf, die als gesonderte Wandteile durch Strangpressprofile gebildet sind. Dadurch wird eine höhere Stabilität für größere Stützweiten gewährleistet. Daneben kann eine hohe Passgenauigkeit erreicht werden, die vor allem zwischen übereinander stehenden Kassetten im gegenseitigen Eingriffsbereich zum Tragen kommt. Entsprechend den statischen Erfordernissen kann die Wandstärke der Strangpressprofile variabel angepasst werden. Es können auch überstehende Profilteile erzeugt werden, die durch einfaches Biegen nicht möglich sind.According to a further embodiment, the noise protection cassettes have a top flange and bottom flange, which are formed as separate wall parts by extruded profiles. This ensures greater stability for larger spans. In addition, a high accuracy of fit can be achieved, which mainly comes into play between stacked cartridges in the mutual engagement area. According to the static requirements, the wall thickness of the extruded profiles can be variably adjusted. It can also be produced projecting profile parts that are not possible by simply bending.

Vorteilhafterweise besitzen die Strangpressprofile eine Nut- und Federverbindung für übereinanderliegende Kassettenelemente. Zur Kraftschlusserhöhung ist es vorteilhaft, wenn die Nut- und Federverbindung gezahnte oder geraute Profilflächen aufweist.Advantageously, the extruded profiles have a tongue and groove connection for superposed cassette elements. To increase adhesion, it is advantageous if the tongue and groove connection has toothed or roughened profile surfaces.

Eine weitere vorteilhafte Ausführung vor allem im Hinblick auf die Abhaltung von Regenwasser sieht vor, dass an den Ober- und Untergurten paarweise abstehende Profilwinkel zur Halterung von seitlichen Wandteilen der Lärmschutzkassetten ausgebildet sind, wobei die nach oben abstehenden Profilwinkel der Obergurte im seitlichen Abstand vom Gurtrand angeordnet sind und die nach unten abstehenden Profilwinkel der Untergurte den Gurtrand bilden.A further advantageous embodiment, in particular with regard to the holding of rainwater, provides that pairs of projecting profile angles are formed on the upper and lower chords for holding lateral wall parts of the noise protection cassettes, the upwardly projecting profile angles of the upper chords being arranged laterally away from the edge of the belt are and the downwardly projecting profile angle of the lower chords form the edge of the belt.

Vorteilhafterweise weisen die vertikalen seitlichen Wandteile Längssicken zur Versteifung auf, wobei die oberen Sickenränder als Tropfnasen ausgebildet sind, so dass Verschmutzungen durch ablaufendes Regenwasser verringert werden.Advantageously, the vertical side wall portions have longitudinal beads for stiffening, wherein the upper bead edges are formed as drip noses, so that contamination by running rainwater can be reduced.

Eine weitere Verbesserung wird dadurch erreicht, dass an der oberen Lärmschutzkassette ein Abdeckprofil vorzugsweise über eine Nut- und Federverbindung gehalten ist, wobei das Abdeckprofil eine ebene oder nach oben gewölbte oder dachförmige Abdeckfläche aufweist und gegebenenfalls die Pfosten zumindest partiell überdeckt.A further improvement is achieved in that a cover profile is preferably held on the upper noise protection cassette via a tongue and groove connection, wherein the cover has a flat or upwardly curved or roof-shaped cover surface and optionally covers the posts at least partially.

Um benachbarte Pfosten im gleichen Abstand zu halten und ein Auslösen der Kassetten zu verhindern, ist es vorteilhaft, wenn zwischen benachbarten Pfosten eine vorzugsweise als Stahlseil oder Stahlband ausgebildete Zugsicherung gespannt ist, wobei die Zugsicherung vorzugsweise in einer zwischen dem Abdeckprofil und der oberen Lärmschutzkassette verlaufenden Profilkammer sichtseitig verdeckt angeordnet ist.In order to keep adjacent posts at the same distance and to prevent triggering of the cassettes, it is advantageous if a preferably formed as a steel cable or steel band tension protection is tensioned between adjacent posts, the train protection preferably is concealed in the visible concealed in a profile chamber extending between the cover and the upper noise protection cassette.

Im folgenden wird die Erfindung anhand eines in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiels näher erläutert. Es zeigen

Fig. 1
einen Abschnitt einer Lärmschutzwand mit übereinander liegenden Lärmschutzkassetten in einer perspektivischen teilweisen Explosionsdarstellung;
Fig. 2
die Lärmschutzwand in einem vereinfachten ausschnittsweisen Vertikalschnitt in der Wandebene;
Fig. 3
einen abgebrochenen Vertikalschnitt der Lärmschutzwand senkrecht zur Wandebene;
Fig. 4
einen abgebrochenen Horizontalschnitt der Lärmschutzwand; und
Fig. 5 bis 8
einen Abschlussdeckel, einen Obergurt, einen Untergurt und einen Stirndeckel der Lärmschutzkassetten im Profil.
In the following the invention will be explained in more detail with reference to an embodiment shown schematically in the drawing. Show it
Fig. 1
a section of a noise barrier with superimposed noise protection cassettes in a perspective partial exploded view;
Fig. 2
the noise barrier in a simplified sectional vertical section in the wall plane;
Fig. 3
a broken vertical section of the noise barrier perpendicular to the wall plane;
Fig. 4
a broken horizontal section of the noise barrier; and
Fig. 5 to 8
a cover, a top flange, a bottom flange and a front cover of noise protection cassettes in profile.

Die in der Zeichnung dargestellte Lärmschutzwand besteht im wesentlichen aus mehreren im Abstand voneinander angeordneten vertikalen Pfosten 10 und zwischen den Pfosten 10 waagerecht übereinander liegend angeordneten Lärmschutzkassetten 12 sowie einem oberen Abdeckprofil 14.The noise protection wall shown in the drawing consists essentially of a plurality of spaced apart vertical posts 10 and between the posts 10 horizontally superposed noise protection cassettes 12 and an upper cover 14th

Die Pfosten 10 sind als H-förmige Stahlprofilträger vertikal in Betonsockeln 16 verankert, wobei die durch das H-Profil begrenzten Aufnahmenuten 18 für die Lärmschutzkassetten 12 in Richtung des Wandverlaufs weisen. Grundsätzlich können anstelle von Stahlträgern 10 auch Betonpfosten zum Einsatz kommen. Während die Lärmschutzkassetten 12 in Leichtbauweise aus Aluminium gebildet sind, kann das untere Lärmschutzelement 20 zur Erhöhung der Stabilität aus Beton bestehen.The posts 10 are vertically anchored as H-shaped steel profile support in concrete pedestals 16, wherein the limited by the H-profile grooves 18 for the noise protection cassettes 12 point in the direction of the wall. In principle, instead of steel beams 10, concrete posts can also be used. While the noise protection cassettes 12 are made of aluminum in lightweight construction, the lower noise protection member 20 may be made of concrete to increase the stability.

Wie am besten aus Fig. 2 ersichtlich, sind die Lärmschutzkassetten 12 über federelastische Abstandshalter 22 stirnseitig gegenüber dem durch den Profilsteg 24 der Pfosten 10 gebildeten Nutgrund 26 der Aufnahmenuten 18 abgestützt, so dass Längsbewegungen abgefedert werden können. Die Abstandshalter 22 sind als bogenförmige Blattfedern ausgebildet und an einem hakenförmigen Ende über eine Formschlussverbindung 28 an den Lärmschutzkassetten 12 gehalten. Dabei ist es vorgesehen, dass die Abstandshalter 22 zweckmäßig erst nach dem Einsetzen der Lärmschutzkassetten 12 in die Aufnahmenuten 18 in die Verbindungsstellung eingeführt werden.How best Fig. 2 can be seen, the noise protection cassettes 12 are supported by means of elastic spacers 22 frontally opposite the groove base 26 of the receiving grooves 18 formed by the profile web 24 of the post 10, so that longitudinal movements can be cushioned. The spacers 22 are formed as arcuate leaf springs and held on a hook-shaped end via a positive connection 28 to the noise protection cassettes 12. It is envisaged that the spacer 22 expedient only after insertion Noise protection cassettes 12 are inserted into the receiving grooves 18 in the connecting position.

Die aus Federstahl bestehenden Abstandshalter 22 bilden zugleich elektrisch leitende Verbindungselemente, um eine Erdung der Lärmschutzkassetten 12 und des damit verbundenen oberen Abdeckprofils 14 über die elektrisch leitenden Pfosten 10 zu ermöglichen.The existing of spring steel spacers 22 also form electrically conductive fasteners to allow grounding of the noise protection cassettes 12 and the associated upper cover 14 over the electrically conductive posts 10.

Zur Einhaltung eines vorgegebenen Abstandes zwischen benachbarten Pfosten 10 ist ein Zug- bzw. Sicherungsseil 30 vorgesehen, welches zwischen dem Abdeckprofil 14 und der oberen Lärmschutzkassette 12 verdeckt verläuft.To maintain a predetermined distance between adjacent posts 10, a pull or safety rope 30 is provided, which runs concealed between the cover 14 and the upper noise protection cassette 12.

Gemäß Fig. 3 und 4 sind die Lärmschutzkassetten aus einem Obergurt 32, einem Untergurt 34 sowie zwei Seitenwandteilen 36 und Stirnwandteilen 38 kastenförmig zusammengesetzt. In den von einer Trennwand 40 geteilten Innenraumhälften 42 der Lärmschutzkassetten 12 ist jeweils eine Dämmlage 44 aus einem schallabsorbierenden Material angeordnet.According to 3 and 4 the noise protection cassettes from a top flange 32, a bottom flange 34 and two side wall portions 36 and end wall portions 38 are box-shaped composition. In the divided by a partition 40 interior halves 42 of the noise protection cassettes 12 each an insulating layer 44 is disposed of a sound-absorbing material.

Während die Seitenwandteile 36 durch Walzumformen von Blechtafeln gebildet sind, bestehen die übrigen Wandteile 32, 34, 38 aus abgelängten Strangpressprofilen.While the side wall portions 36 are formed by roll forming sheet metal plates, the remaining wall portions 32, 34, 38 consist of cut extruded profiles.

Die waagerecht übereinander angeordneten Lärmschutzkassetten 12 sind mittels einer Nut- und Federverbindung 46 zwischen Untergurt 34 und Obergurt 32 verbunden. Wie aus Fig. 6 und 7 ersichtlich, weist der Obergurt 32 zu diesem Zweck zwei im Abstand voneinander angeordnete, innen gezahnte Profilrippen 48 auf, zwischen denen ein Federprofil 50 des Untergurts 34 formschlüssig einsetzbar ist. Über die gezahnten Rippenflächen 52 wird dabei eine Kraftschlusserhöhung bewirkt.The horizontally stacked noise protection cassettes 12 are connected by means of a tongue and groove connection 46 between the lower flange 34 and upper flange 32. How out 6 and 7 can be seen, the upper flange 32 for this purpose, two spaced-apart, internally toothed profile ribs 48, between which a spring profile 50 of the lower belt 34 is positively inserted. About the toothed rib surfaces 52 while a force increase is effected.

Zur Halterung der Trennwand 40 sind Profilnuten 54 an Ober- und Untergurt vorgesehen. Weitere Profilrippen 56, 58 ermöglichen eine Lagerung der Dämmmatten 44 im Abstand zu den Seitenwandteilen 36. Zur randseitigen Verbindung der Seitenwandteile 36 sind an dem Obergurt 32 nach oben abstehende Haltewinkel 60 angeformt. Diese sind im seitlichen Abstand vom Gurtrand bzw. der Profilaußenkante 62 angeordnet, so dass das Eindringen von Niederschlagswasser erschwert wird. Die Halterung der Seitenwandteile 36 an den Untergurten 34 wird ebenfalls durch Profilwinkel 64 ermöglicht, die dort durch nach unten abstehende Randabkantungen gebildet sind. Diese weisen mit ihren freien Schenkeln gegeneinander nach innen, so dass ebenfalls das Eindringen von Wasser behindert wird. Zugleich wird gemeinsam mit dem Federprofil 50 eine kippsichere Standfläche zur Lagerung auf der darunter liegenden Lärmschutzkassette geschaffen.For holding the partition wall 40 profile grooves 54 are provided on upper and lower flange. Further profile ribs 56, 58 allow the insulating mats 44 to be mounted at a distance from the side wall parts 36. For the edge-side connection of the side wall parts 36, upwardly projecting retaining angles 60 are formed on the top flange 32. These are arranged at a lateral distance from the belt edge or the profile outer edge 62, so that the penetration of rain water is difficult. The support of the side wall portions 36 on the lower chords 34 is also made possible by profile angle 64, which are formed there by downwardly projecting Randabkantungen. These point with their free legs against each other inwards, so that also the penetration of water is hindered. At the same time together with the spring profile 50 a non-tilting base for storage on the underlying noise protection cassette is created.

Das in Fig. 5 gezeigte Abdeckprofil 14 ist mit nach unten abstehenden, außen gezahnten Profilrippen 66 versehen, durch welche anstelle eines Federprofils 50 eine Verbindung mit den Profilrippen 52 eines Obergurts 32 geschaffen werden kann. Das Abdeckprofil 14 weist eine ebene Abdeckfläche 68 auf, die über einen geringfügig über die Seitenwände 36 überstehenden Profilumbug 70 einen freien Wasserablauf ermöglicht.This in Fig. 5 shown covering profile 14 is provided with downwardly projecting, externally toothed profile ribs 66, through which instead of a spring profile 50, a connection with the profile ribs 52 of a top flange 32 can be created. The cover 14 has a flat covering surface 68, which allows a free water drain via a slightly over the side walls 36 protruding Profilumbug 70.

Das in Fig. 8 gezeigte Stirnwandteil 38 weist ebenfalls Randabkantungen zur Anlage an die Seitenwandteile 36 sowie nach innen versetzte Profilrippen 74 zur Halterung der Dämmmatten 44 auf. Zusätzliche Profilwinkel 76 ermöglichen das Einhängen der Blattfeder 22.This in Fig. 8 shown end wall portion 38 also has Randabkantungen to rest against the side wall portions 36 and inwardly offset profile ribs 74 for holding the insulating mats 44. Additional profile angle 76 allow the attachment of the leaf spring 22nd

Beim baukastenartigen Zusammenbau der Lärmschutzkassetten 12 werden Ober- und Untergurt 32, 34 über die Trennwand 40 verbunden, die Dämmmatten 44 eingesetzt und die randseitig abgekanteten Seitenwandteile 36 in Längsrichtung auf die Profilwinkel 60, 64 von Ober- und Untergurt hintergreifend aufgeschoben.When modular assembly of the noise protection cassettes 12 upper and lower flange 32, 34 are connected via the partition 40, the insulating mats 44 used and pushed the edge side bevelled side wall portions 36 in the longitudinal direction on the profile angle 60, 64 of the upper and lower belt.

Die Verbindung der Wandteile erfolgt nach dem Durchsetzfügeverfahren, bei welchem in gegeneinander anliegenden Wandbereichen durch ein zangenartiges Werkzeug mit Formstempel und Matrize ein punktförmiger hintergreifender Tiefziehbereich geschaffen wird, in welchem durch formschlüssiges Ineinandergreifen unter plastischer Verformung eine Fügeverbindungsstelle entscher Verformung eine Fügeverbindungsstelle entsteht. Dieses Verfahren ist an sich beispielsweise aus der DE-A-199 29 377 bekannt. Dadurch ist es möglich, Verbindungsstellen frei von abstehenden Verbindungsmitteln zu schaffen, so dass Probleme durch Abscheren oder Abscheuern vermieden werden.The connection of the wall parts takes place after Durchsetzfügeverfahren, in which in abutting wall areas by a pliers-like tool with punch and die a punctiform engrossing deep-drawn is created in which by interlocking interlocking under plastic deformation a joining joint entscher Deformation creates a joint joint. This method is per se, for example, from DE-A-199 29 377 known. This makes it possible to provide joints free of protruding connecting means, so that problems caused by shearing or abrasion are avoided.

Demgemäß werden die Randbereiche 78 der Seitenwandteile 36 im Mittelbereich der Lärmschutzkassetten 12 über Durchsetzfügepunkte 80 mit den Profilwinkeln 60 der Obergurte 32 verbunden (Fig. 3). Die Verbindung der stirnseitig aufgesetzten Stirnwandteile 38 erfolgt ebenfalls über Durchsetzfügepunkte 80 in den abgekanteten Randbereichen 72 (Fig. 4). Um den Eingriff eines zangenförmigen Werkzeugs zur Herstellung der Durchsetzfügepunkte 80 in diesem Bereich zu ermöglichen, sind die Stirnwandteile 34 mit geeigneten Durchbrüchen versehen (nicht gezeigt).Accordingly, the edge regions 78 of the side wall parts 36 in the middle region of the noise protection cassettes 12 are connected via penetration points 80 to the profile angles 60 of the upper belts 32 (FIG. Fig. 3 ). The connection of the frontally mounted end wall parts 38 also takes place via clinching points 80 in the folded edge regions 72 (FIG. Fig. 4 ). In order to allow the engagement of a forceps-shaped tool for producing the clinching points 80 in this area, the end wall portions 34 are provided with suitable apertures (not shown).

Wie am besten aus Fig. 4 ersichtlich, greifen die Lärmschutzkassetten 12 an ihren Stirnenden in die Aufnahmenuten 18 der Pfosten 10 ein. Zur seitlichen klapperfreien Abstützung gegenüber den Nutflanken sind beidseitig Elastomerprofile 82 vorgesehen, welche entlang den freien Rändern der Stirnwandteile 38 vertikal verlaufen. Dabei kann trotz der isolierenden Elastomerprofile eine elektrische Verbindung über die Abstandshalter 22 vermittelt werden.How best Fig. 4 can be seen, the noise protection cassettes 12 engage at their front ends in the receiving grooves 18 of the post 10 a. For lateral rattle-free support against the groove edges elastomer profiles 82 are provided on both sides, which extend along the free edges of the end wall parts 38 vertically. In this case, despite the insulating elastomer profiles, an electrical connection can be mediated via the spacers 22.

Die Seitenwandteile weisen längslaufende Einzüge bzw. Sicken 84 zur Versteifung auf. Diese können an ihren oberen Randkanten mit nicht gezeigten Tropfnasen für den Wasserablauf versehen sein. Um die Schalleinleitung in die Dämmmatten 44 zu ermöglichen, sind die der Lärmquelle zugewandten Seitenwandteile 36 rasterförmig gelocht.The side wall parts have longitudinal indents or beads 84 for stiffening. These may be provided at their upper edges with not shown drip noses for water drainage. In order to enable the sound input into the insulating mats 44, the side wall parts 36 facing the noise source are perforated in a grid-shaped manner.

Claims (18)

  1. Noise protection wall for screening of traffic routes or other sources of noise, having a plurality of vertical posts (10), which are arranged at a distance apart and are formed preferably by H-shaped profiles, and a plurality of noise protection panels (12), which are joined together in the shape of a box from wall parts and engage with their end faces in mutually facing receiving grooves (18) of adjacent posts (10), characterized in that the noise protection panels (12) are supported on the end face against the groove bottom (26) of the receiving grooves (18) by means of resiliently deformable spacers (22), and wherein the spacers (22) are at the same time configured as electrically conductive connecting elements for earthing the noise protection panels (12) via the, as earthing conductors, electrically conductive posts (10).
  2. Noise protection wall according to Claim 1, characterized in that the spacers (22) are preferably formed as arc-shaped leaf springs by spring elements.
  3. Noise protection wall according to Claim 1 or 2, characterized in that the spacers (22) are held on the noise protection panels (12) by means of a positive-locking or latching connection (28).
  4. Noise protection wall according to one of Claims 1 to 3, characterized in that the posts (10) are at the same time configured such that they are electrically conductive as earthing conductors.
  5. Noise protection wall according to one of Claims 1 to 4, characterized in that the posts (10) have an earth bar running in the region of the receiving groove.
  6. Noise protection wall according to one of Claims 1 to 5, characterized in that the noise protection panels (12) are connected in pairs by the spacers (22).
  7. Noise protection wall according to one of Claims 1 to 6, characterized in that the wall parts are fixedly connected to one another by a join connection or integral connection (80) free from connecting means protruding on the outside of the noise protection panels (12).
  8. Noise protection wall according to one of Claims 1 to 7, characterized in that the wall parts are connected punctiformly to one another by pass-through joining points (80), a join connection being formed by back-gripping, deep-drawn regions in mutually adjoining wall parts.
  9. Noise protection wall according to one of Claims 1 to 8, characterized in that the wall parts (32, 34, 36) extending in the longitudinal direction of the noise protection panels (12) are connected to one another in a middle portion by pass-through joining points (80).
  10. Noise protection wall according to one of Claims 1 to 9, characterized in that the wall parts, in the region of profiled elements (60, 64) protruding on a top and/or bottom chord of the noise protection panels (12), are connected to one another punctiformly.
  11. Noise protection wall according to one of Claims 1 to 10, characterized in that the end-face wall parts (38) have apertures for the engagement of a tool for the creation of pass-through joining points (80).
  12. Noise protection wall according to one of Claims 1 to 11, characterized in that the top chord (32) and bottom chord (34) of the noise protection panels (12) are formed as separate wall parts by extrusion profiles.
  13. Noise protection wall according to Claim 12, characterized in that the extrusion profiles (32, 34) have a tongue-and-groove connection (46) for noise protection panels (12) lying one above the other.
  14. Noise protection wall according to Claim 13, characterized in that the tongue-and-groove connection (46) has toothed or roughened profiled surfaces (52) for enhancement of the force closure.
  15. Noise protection wall according to one of Claims 12 to 14, characterized in that profiled angle bars (60, 64) protruding in pairs on the top and bottom chords are configured for the mounting of lateral wall parts (36) of the noise protection panels (12), the upwardly protruding profiled angle bars (60) of the top chords (32) being arranged at a lateral distance from the chord edge and the downwardly protruding profiled angle bars (64) of the bottom chords (34) at the same time forming the chord edge.
  16. Noise protection wall according to one of Claims 1 to 15, characterized in that the vertical lateral wall parts (36) have longitudinal beads (84) for stiffening purposes, the upper bead edges being configured as weather drips.
  17. Noise protection wall according to one of Claims 1 to 16, characterized in that on the upper noise protection panel (12) a cover profile (14) is held, preferably via a plug connection, the cover profile (14) having a flat or upwardly arched or roof-shaped cover face (68) and, where appropriate, at least partially covering the posts (10).
  18. Noise protection wall according to one of Claims 1 to 17, characterized in that tensioned between adjacent posts (10) is a tension locking element (30), preferably configured as a steel cable or steel band, the tension locking element (30) preferably being arranged hidden from view in a profiled chamber running between the cover profile (14) and the upper noise protection panel (12).
EP04004103A 2003-03-06 2004-02-24 Noise protection wall Expired - Lifetime EP1455018B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10310202A DE10310202A1 (en) 2003-03-06 2003-03-06 Sound barrier
DE10310202 2003-03-06

Publications (2)

Publication Number Publication Date
EP1455018A1 EP1455018A1 (en) 2004-09-08
EP1455018B1 true EP1455018B1 (en) 2010-02-17

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EP04004103A Expired - Lifetime EP1455018B1 (en) 2003-03-06 2004-02-24 Noise protection wall

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EP (1) EP1455018B1 (en)
AT (1) ATE458091T1 (en)
DE (2) DE10310202A1 (en)

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DE202006001472U1 (en) * 2006-01-30 2007-06-06 Lublow, Felix Noise absorbing and deflecting module for use in building and wall along roadside, comprises outer aluminum layers and core of soft material
ITUD20060078A1 (en) * 2006-03-29 2007-09-30 Tecant Engineering S R L SOUND-ABSORBING AND / OR INSULATING SECTIONAL MODULE FOR AN SOUND-PROOF WALL
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DE202011109529U1 (en) * 2011-12-24 2013-03-25 Sehnix Gmbh Noise protection wall made of wall panels arranged side by side in the longitudinal direction
DE202013104523U1 (en) 2013-10-07 2015-01-15 R. Kohlhauer Gmbh Modular frame for a noise protection element, noise protection element and noise protection wall with a plurality of noise protection elements
ES1100956Y (en) * 2014-01-09 2014-05-14 Metalesa Branding S L DEVICE FOR ADJUSTMENT OF ACOUSTIC PANELS
CN104894988B (en) * 2014-03-05 2019-09-24 旭普林工程股份公司 Sound barrier with vertical support and multiple isolation elements
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Also Published As

Publication number Publication date
ATE458091T1 (en) 2010-03-15
EP1455018A1 (en) 2004-09-08
DE10310202A1 (en) 2004-09-16
DE502004010753D1 (en) 2010-04-01

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