EP0008562B1 - Noise-protection-wall element - Google Patents

Noise-protection-wall element Download PDF

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Publication number
EP0008562B1
EP0008562B1 EP79710001A EP79710001A EP0008562B1 EP 0008562 B1 EP0008562 B1 EP 0008562B1 EP 79710001 A EP79710001 A EP 79710001A EP 79710001 A EP79710001 A EP 79710001A EP 0008562 B1 EP0008562 B1 EP 0008562B1
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EP
European Patent Office
Prior art keywords
cover
slot
edge
strip
noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP79710001A
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German (de)
French (fr)
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EP0008562A1 (en
Inventor
Gerd D. Maibach
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Individual
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Individual
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Priority to AT79710001T priority Critical patent/ATE6T1/en
Publication of EP0008562A1 publication Critical patent/EP0008562A1/en
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Publication of EP0008562B1 publication Critical patent/EP0008562B1/en
Expired legal-status Critical Current

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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
    • E01F8/0023—Details, e.g. foundations
    • 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
    • E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers

Definitions

  • the invention relates to the like between posts on streets, squares or the like.
  • Noise protection elements that can be assembled into a noise protection wall, in which at least one soundproofing plate is arranged in a shell at a distance from the rear wall of the shell and is covered by a sound-permeable cover lying on a support surface against the sound source and the cover with a bent edge into one towards the edge of the Shell engages parallel groove and is held by a terminal strip with a leg extending over the edge of the cover.
  • a noise protection element of this type known from DE-A 24 51 520
  • the cover is firmly clamped in, it warps when the lower contact surface is already relatively uneven, and wave formation often occurs at higher outside temperatures.
  • the invention has for its object to provide a noise protection element that is particularly easy to assemble and in which there is no distortion of the cover even with dimensional deviations of the mounting surfaces or in the presence of excessive heat.
  • the invention provides that a second groove opened in the same direction is provided parallel to the first groove, the terminal block being clamped in the second groove and the bent edge of the cover being accommodated with play in the adjacent groove and the cover is held resiliently but slidably between the leg of the terminal strip and the parallel support surfaces. Due to the resilient or floating holder, the cover can evade in the event of thermal expansion or inaccuracies in assembly, so that no deformation and associated wave formation occurs, which would be easily visible on large areas.
  • the assembly of the individual parts to form a noise protection element is extremely simple; one obtains a secure strength despite subsequent good interchangeability.
  • the grooves and the bearing surface can be provided in a profiled strip which is clamped onto the edge of the shell with a further groove.
  • the individual parts can be securely fixed in spite of the floating arrangement in that the side walls of the grooves for the clamping onto the shell edge or the clamping of the terminal strip have toothing and the groove for holding the cover is provided with an extension into which the edge of the Cover can sit with a bend.
  • the profile strip is made of metal, preferably of extruded aluminum.
  • the terminal strip can be designed as a T-shaped, extruded plastic profile, so it can be inserted particularly easily and quickly into the profile strip and there finds a good hold on the one hand and, on the other hand, can be easily removed again with appropriate elasticity for replacing damaged parts.
  • one leg of the terminal strip is extended so that it protrudes beyond the groove for receiving the bent edge of the cover.
  • the outer surface of the cover is set back from the outer surface of the profile strip.
  • One leg of the terminal block is then inclined, it has an edge bead to rest on the cover.
  • the noise protection element consists of a U-shaped shell 1 made of glass fiber reinforced polyester, on the edge 2 of which a profile strip 3 is placed by means of a groove 4.
  • soundproofing panels 8 made of silane are placed next to one another in the shell 1. They are held by a leg 6 and a bend 7 of the profile strip 3 and shielded from the outside by a cover 9.
  • the cover 9 is accommodated with play with an angled portion 11 of its edge 10 in a groove 12 'of the profiled strip 3 and can be displaced on an angled portion 3' of the profiled rail 3 by a clamp strip 13 inserted into a groove 12 through a leg 13 'of the clamp strip 13 a support surface 3 ".
  • the angled portion 11 hooks into an extension 14 'of the groove 12', so that the cover 9 does not have to be specially held before the terminal strip 13 is installed.
  • the pretension of the leg 13 'for clamping the cover 9 is selected so that the edge 10 can be moved without substantial deformation of the cover 9. In the event of thermal expansion or assembly inaccuracies, the edge 10 in the groove 12 'can yield so that the cover 9 does not form any folds or waves.
  • the outer surface 19 of the cover 9 is opposite the outer surface 20 of the profile strip 3 is reset and the one leg 13 'of the clamping strip 13 is inclined and provided at its end with an edge bead 21 so that a favorable elastic behavior is achieved.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

1. Noise guards arranged between posts along roads, squares, etc and joined together to form a noise suppressing wall, at least one sound absorbing plate (8) being spaced from the rear wall (5) of each shell member (1) and covered towards the sound source by a sound permeable cover (9) engaging by a bent-over edge (10) in a slot (12') parallel to edge (2) of shell member (1) and held by a connecting strip (13) with a leg (13') engaging over the edge of the cover (9), characterized in that a second slot (12) open in the same direction is provided parallel to the first slot (12'), connecting strip (13) being secured in the second slot (12), whilst the adjacent slot (12') receives, with tolerance, the bent over edge (10) of cover (9), the latter being resiliently, but displacedly held between leg (13') of strip (13) and the contact surface (3''), which is parallel thereto.

Description

Die Erfindung betrifft zwischen Pfosten an Straßen, Plätzen od.dgl. zu einer Lärmschutzwand zusammensetzbare Lärmschutzelemente, bei denen jeweils in einer Schale mindestens eine Schalldämmplatte im Abstand von der Rückwand der Schale angeordnet und durch eine schalldurchlässige auf einer Auflagefläche aufliegende Abdeckung gegen die Schallquelle hin abgedeckt ist und die Abdeckung mit einem umgebogenen Rand in eine zum Rand der Schale parallele Nut eingreift und durch eine Klemmleiste mit einem über den Rand der Abdeckung greifenden Schenkel gehalten ist. Bei einem aus der DE - A 24 51 520 bekannten Lärmschutzelement dieser Art ist die Abdeckung fest eingeklemmt, sie verzieht sich bei schon relativ geringen Unebenheiten der unteren Auflagefläche, bei höheren Außentemperaturen tritt häufig eine Wellenbildung ein.The invention relates to the like between posts on streets, squares or the like. Noise protection elements that can be assembled into a noise protection wall, in which at least one soundproofing plate is arranged in a shell at a distance from the rear wall of the shell and is covered by a sound-permeable cover lying on a support surface against the sound source and the cover with a bent edge into one towards the edge of the Shell engages parallel groove and is held by a terminal strip with a leg extending over the edge of the cover. In the case of a noise protection element of this type known from DE-A 24 51 520, the cover is firmly clamped in, it warps when the lower contact surface is already relatively uneven, and wave formation often occurs at higher outside temperatures.

Der Erfindung liegt die Aufgabe zugrunde, ein Lärmschutzelement zu schaffen, das sich besonders einfach montieren läßt und bei dem auch bei Maßabweichungen der Montageflächen oder bie großer Wärme ein Verzug der Abdeckung unterbleibt.The invention has for its object to provide a noise protection element that is particularly easy to assemble and in which there is no distortion of the cover even with dimensional deviations of the mounting surfaces or in the presence of excessive heat.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß eine zweite in gleicher Richtung geöffnete Nut parallel der ersten Nut vorgesehen ist, wobei in der zweiten Nut die Klemmleiste eingeklemmt ist und in der benachbarten Nut der umgebogene Rand der Abdeckung mit Spiel aufgenommen ist und die Abdeckung federnd, aber verschiebbar zwischen dem Schenkel der Klemmleiste und der dazu parallelen Auflageflächen gehalten ist. Durch die federnde bzw. schwimmende Halterung kann die Abdeckung bei einer auftretenden Wärmedehnung oder bei Montageungenauigkeiten ausweichen, so daß keine Verformung und damit verbundene Wellenausbildung auftritt, die bei großen Flächen leicht sichtbar wäre. Der Zusammenbau der Einzelteile zum Lärmschutzelement ist von großer Einfachheit, man erhält eine sichere Festigkeit trotz nachträglicher guter Austauschbarkeit.To achieve this object, the invention provides that a second groove opened in the same direction is provided parallel to the first groove, the terminal block being clamped in the second groove and the bent edge of the cover being accommodated with play in the adjacent groove and the cover is held resiliently but slidably between the leg of the terminal strip and the parallel support surfaces. Due to the resilient or floating holder, the cover can evade in the event of thermal expansion or inaccuracies in assembly, so that no deformation and associated wave formation occurs, which would be easily visible on large areas. The assembly of the individual parts to form a noise protection element is extremely simple; one obtains a secure strength despite subsequent good interchangeability.

In besonders vorteilhafter Weise können nach der Erfindung die Nuten und die Auflagefläche in einer Profilleiste vorgesehen sein, die mit einer weiteren Nut auf den Rand der Schale aufgeklemmt wird. Die einzelnen Teile lassen sich trotz der schwimmenden Anordnung sicher dadurch fixieren, daß die Seitenwandungen der Nuten für die Aufklemmung auf den Schalenrand bzw die Einklemmung der Klemmleiste Verzahnungen aufweisen und die Nut für die Halterung der Abdeckung mit einer Erweiterung versehen ist, in die der Rand der Abdeckung mit einer Abwinklung einsitzen kann.In a particularly advantageous manner, according to the invention, the grooves and the bearing surface can be provided in a profiled strip which is clamped onto the edge of the shell with a further groove. The individual parts can be securely fixed in spite of the floating arrangement in that the side walls of the grooves for the clamping onto the shell edge or the clamping of the terminal strip have toothing and the groove for holding the cover is provided with an extension into which the edge of the Cover can sit with a bend.

Eine hohe Stabilität erhält man, wenn die Profilleiste aus Metall, vorzugsweise aus stranggepreßtem Aluminium besteht. Die Klemmleiste kann als T-förmiges, Kunststoff-Strangpreßprofil ausgebildet sein, sie läßt sich damit besonders einfach und rasch in die Profilleiste einsetzen und findet dort einerseits einen guten Halt und kann andererseits bei entsprechender Elastizität zum Auswechseln beschädigter Teile leicht wieder entfernt werden.A high degree of stability is obtained if the profile strip is made of metal, preferably of extruded aluminum. The terminal strip can be designed as a T-shaped, extruded plastic profile, so it can be inserted particularly easily and quickly into the profile strip and there finds a good hold on the one hand and, on the other hand, can be easily removed again with appropriate elasticity for replacing damaged parts.

Es hat sich als zweckmäßig erwiesen, wenn der eine Schenkel der Klemmleiste verlängert ist, so daß er über die Nut für die Aufnahme des umgebogenen Randes der Abdeckung hinausragt. Bei einer besonders formgünstigen Ausführung ist die Außenfläche der Abdeckung gegenüber der Außenfläche der Profilleiste zurückgesetzt. Der eine Schenkel der Klemmleiste ist dann geneigt, er weist einen Randwulst auf zur Auflage auf der Abdeckung.It has proven to be useful if one leg of the terminal strip is extended so that it protrudes beyond the groove for receiving the bent edge of the cover. In the case of a particularly favorable design, the outer surface of the cover is set back from the outer surface of the profile strip. One leg of the terminal block is then inclined, it has an edge bead to rest on the cover.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben. Es zeigen:

  • Fig. 1 einen Teillängsschnitt durch ein Lärmschutzelement,
  • Fig. 2 einen Schnitt durch eine Profilleiste mit einer durch eine Klemmleiste gehaltenen Abdeckung in etwas anderer Ausführung.
Embodiments of the invention are shown in the drawing and are described in more detail below. Show it:
  • 1 shows a partial longitudinal section through a noise protection element,
  • Fig. 2 shows a section through a profile strip with a cover held by a terminal strip in a slightly different version.

Das Lärmschutzelement besteht aus einer U-förmigen, aus glasfaserverstärktem Polyester hergestellten Schale 1, auf deren Rand 2 eine Profilleiste 3 mittels einer Nut 4 aufgesetzt ist. Im Abstand von der Rückwand 5 sind in die Schale 1 nebeneinander liegende Schalldämmplatten 8 aus Silan eingelegt. Sie werden durch einen Schenkel 6 und eine Abwinklung 7 der Profilleiste 3 gehalten und durch eine Abdeckung 9 nach außen abgeschirmt. Die Abdeckung 9 ist mit einer Abwinklung 11 ihres Rands 10 in einer Nut 12' der Profilleiste 3 mit Spiel aufgenommen und durch eine in einer Nut 12 eingesteckten Klemmleiste 13 durch einen Schenkel 13' der Klemmleiste 13 verschiebbar auf einer Abwinklung 3' der Profilschiene 3 auf einer Auflagefläche 3" gehalten. Die Abwinklung 11 hakt in eine Erweiterung 14' der Nut 12' ein, so daß vor der Montage der Klemmleiste 13 die Abdeckung 9 nicht besonders gehalten werden muß.The noise protection element consists of a U-shaped shell 1 made of glass fiber reinforced polyester, on the edge 2 of which a profile strip 3 is placed by means of a groove 4. At a distance from the rear wall 5, soundproofing panels 8 made of silane are placed next to one another in the shell 1. They are held by a leg 6 and a bend 7 of the profile strip 3 and shielded from the outside by a cover 9. The cover 9 is accommodated with play with an angled portion 11 of its edge 10 in a groove 12 'of the profiled strip 3 and can be displaced on an angled portion 3' of the profiled rail 3 by a clamp strip 13 inserted into a groove 12 through a leg 13 'of the clamp strip 13 a support surface 3 ". The angled portion 11 hooks into an extension 14 'of the groove 12', so that the cover 9 does not have to be specially held before the terminal strip 13 is installed.

Die Vorspannung des Schenkels 13' zum Festklemmen der Abdeckung 9 ist so gewählt, daß ein Verschieben des Randes 10 ohne wesentliche Verformung der Abdeckung 9 möglich ist. Bei einer Wärmeausdehnung oder bei Montageungenauigkeiten kann der Rand 10 in der Nut 12' ausweichen, so daß die Abdeckung 9 keine Falten oder Wellen bildet.The pretension of the leg 13 'for clamping the cover 9 is selected so that the edge 10 can be moved without substantial deformation of the cover 9. In the event of thermal expansion or assembly inaccuracies, the edge 10 in the groove 12 'can yield so that the cover 9 does not form any folds or waves.

In den Nuten 4 und 12 der Profilleiste 3 sind sägezahnartige Verzahnungen 15 und 16 vorgesehen, so daß eine gute Verrastung gegeben ist. Zusätzlich kann der in die Nut 12 ragende Schenkel 17 der Klemmleiste 13 beiderseits mit einer entsprechenden Verzahnung 18 versehen sein.In the grooves 4 and 12 of the profile strip 3 sawtooth-like teeth 15 and 16 are provided, so that there is a good locking. In addition, the leg 17 of the terminal block 13 projecting into the groove 12 can be provided on both sides with a corresponding toothing 18.

Bei der Ausführungsform nach Fig. 2 ist die Außenfläche 19 der Abdeckung 9 gegenüber der Außenfläche 20 der Profilleiste 3 zurückgesetzt und der eine Schenkel 13' der Klemmleiste 13 ist geneigt und an seinem Ende mit einem Randwulst 21 versehen, so daß ein günstiges Elastizitätsverhalten erreicht wird.In the embodiment according to FIG. 2, the outer surface 19 of the cover 9 is opposite the outer surface 20 of the profile strip 3 is reset and the one leg 13 'of the clamping strip 13 is inclined and provided at its end with an edge bead 21 so that a favorable elastic behavior is achieved.

Claims (6)

1. Noise guards arranged between posts along roads, squares, etc and joined together to form a noise suppressing wall, at least one sound absorbing plate (8) being spaced from the rear wall (5) of each shell member (1) and covered towards the sound source by a sound- permeable cover (9) resting on a contact surface (3"), cover (9) engaging by a bent-over edge (10) in a slot (12') parallel to edge (2) of shell member (1) and held by a connecting strip (13) with a leg (13') engaging over the edge of the cover (9), characterized in that a second slot (12) open in the same direction is provided parallel to the first slot (12'), connecting strip (13) being secured in the second slot (12), whilst the adjacent slot (12') receives, with tolerance, the bent over edge (10) of cover (9), the latter being resiliently, but displacedly held between leg (13') of strip (13) and the contact surface (3"), which is parallel thereto.
2. Noise guard according to claim 1, characterised in that the slots (12, 12') and contact surface (3") are provided in a shaped strip (3) attached to the edge (2) of shell member (1) by a further slot (4).
3. Noise guard according to claim 2, characterized in that teeth (15, 16) are provided on the sidewalls of slots (4, 12) for fastening to edge (2) and the securing of connecting strip (13), slot (12') for holding cover (9) being provided with an extension (14') in which can be located edge (10) of cover (9) with a bend (11).
4. Noise guard according to claim 2, characterized in that the shaped strip (3) is made from metal, preferably aluminium.
5. Noise guard according to claim 1 with a connecting strip having an approximately T-shaped cross-section characterized in that one leg (13') of the connecting strip (13) is extended and projects beyond the slot (12') for receiving the bent-over edge (10) of cover (9).
6. Noise guard according to claim 1, characterized in that the outer surface (19) of cover (9) is set back with respect to the outer surface (20) of shaped strip (3), one leg (13') of connecting strip (13) sloping and having a bead (21) for engaging on the cover (9).
EP79710001A 1978-08-25 1979-08-08 Noise-protection-wall element Expired EP0008562B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79710001T ATE6T1 (en) 1978-08-25 1979-08-08 NOISE PROTECTION ELEMENT FOR A NOISE PROTECTION WALL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782837147 DE2837147A1 (en) 1978-08-25 1978-08-25 NOISE PROTECTION ELEMENT
DE2837147 1978-08-25

Publications (2)

Publication Number Publication Date
EP0008562A1 EP0008562A1 (en) 1980-03-05
EP0008562B1 true EP0008562B1 (en) 1981-01-21

Family

ID=6047893

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79710001A Expired EP0008562B1 (en) 1978-08-25 1979-08-08 Noise-protection-wall element

Country Status (3)

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EP (1) EP0008562B1 (en)
AT (1) ATE6T1 (en)
DE (1) DE2837147A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1467026A1 (en) 2003-04-07 2004-10-13 Glas Trösch Holding AG Noise barrier wall
JP6435563B1 (en) * 2017-06-20 2018-12-12 本田技研工業株式会社 Sensor bracket

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451520C2 (en) * 1974-10-30 1982-10-21 Gerd Dieter 7326 Heiningen Maibach Noise protection element

Also Published As

Publication number Publication date
DE2837147C2 (en) 1988-04-14
ATE6T1 (en) 1981-02-15
DE2837147A1 (en) 1980-03-06
EP0008562A1 (en) 1980-03-05

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