EP1606457A1 - Noise prevention wall system comprising a base and a transparent top part - Google Patents

Noise prevention wall system comprising a base and a transparent top part

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Publication number
EP1606457A1
EP1606457A1 EP03757930A EP03757930A EP1606457A1 EP 1606457 A1 EP1606457 A1 EP 1606457A1 EP 03757930 A EP03757930 A EP 03757930A EP 03757930 A EP03757930 A EP 03757930A EP 1606457 A1 EP1606457 A1 EP 1606457A1
Authority
EP
European Patent Office
Prior art keywords
transparent
protection wall
wall system
noise
noise protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03757930A
Other languages
German (de)
French (fr)
Other versions
EP1606457B1 (en
Inventor
Wolffgang Wiebel
Klaus Lublow
Klaus Oberländer
Norbert Brand
Reiner Lingelbach
Peter Seelmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of EP1606457A1 publication Critical patent/EP1606457A1/en
Application granted granted Critical
Publication of EP1606457B1 publication Critical patent/EP1606457B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • 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
    • E01F8/0017—Plate-like elements
    • 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

Definitions

  • Noise protection wall system consisting of a base and a transparent attachment
  • the present invention relates to a noise protection wall system consisting of a base and a noise protection plate made of a transparent plastic or of silicate glass.
  • Panel systems of the type described at the outset are generally made up of several square meter panels, in particular of transparent plastic panels, the panels being arranged next to one another and two adjacent panels held together by a support and fixed to the floor or to the base or to the substructure of the noise protection wall system.
  • transparent plastics such as polymethyl methacrylate (PMMA) or polycarbonate (PC) are preferred.
  • These carriers are usually a double-T carrier, on one T of which the two adjacent plates are fixed at a certain distance from one another and rest protected with a rubber profile.
  • These plates are held by a flat steel which rests on the end regions of the plates facing the double-T support and which is connected to the double-T support by means of several fastening screws by means of the gap between the plates and a double-T support.
  • a noise protection wall of this type is easy to set up, is not expensive from the support elements and secures the panels in an acceptable manner against the traffic loads that usually occur.
  • a disadvantage of this solution is that the beams are very wide posts, so that the necessary clamping lengths of at least 50 mm are guaranteed.
  • Transparent noise barriers have the advantage of a clear view of the landscape and make the traffic route appear less wall-like from the outside. In addition, the silhouette of bridges is not adversely changed.
  • the construction is a combination of a non-transparent base and a transparent attachment, this gives the road user a certain feeling of safety, especially on bridges.
  • the individual plates are placed at a distance from each other on one of the side surfaces of the square tube and clamped against the square tube by means of a clamping rail and a corresponding number of screws through the gap between the individual plates.
  • the construction is sufficiently wind stable, but requires relatively wide square tubes for this.
  • EP-A-0 530 512 A remedy for this is provided, for example, by EP-A-0 530 512.
  • a plate system is disclosed in which plastic plates are anchored to the carrier, not at a distance from one another but rather partially overlapping one another through the overlap and the bearing surface on the carrier.
  • the required beam width can be approximately halved without impairing the stability.
  • this gives a visually more pleasing impression, particularly for wall systems and especially with transparent noise barriers, since the beams are slim and no longer look clumsy, the technique known from EP-A-0 530 512 still makes relatively small post spacings of about 2 Meters as well as a guidance of the plates over the entire height of up to 3 meters.
  • Noise protection wall segments have an essentially rectangular frame, which can be pushed in and locked into the profile of two vertical support posts.
  • the frame itself which consists of 2 vertical frame spars, a lower frame spars and a two-part upper horizontal frame spars, sound absorbing plates made of plastic are inserted and held detachably.
  • the frame only has to have a height that is only about 2/3 of the height of the sound absorbing plate, so that a projection of up to 50% can be achieved.
  • the projection and the enlargement of the post spacing to up to 6 meters have significantly improved the view, which is otherwise severely impaired by a short post sequence with known noise barriers, the visual impression of such a noise barrier is still particularly difficult and oppressive.
  • EP 908563 describes noise protection wall segments made of plastic which are fastened to a support, the plate being articulated in a punctiform manner in such a way that a bending line of the plate resulting under the load can be accompanied by the fastening means.
  • the solution leads to a rather filigree-looking fastening means for the plate, but this does not reduce the necessary post widths.
  • a noise barrier wall segment for road, highway or rail paths the noise barrier wall segment consisting of transparent plates, for example transparent plastic plates and the plate-fixing means.
  • the transparent plate is formed around a perpendicular to the installation surface of the installed noise barrier, the formation being understood to mean a curvature and / or a fold. This shape gives the noise protection wall segment inherent stability.
  • a noise barrier made up of these segments is transparent over its entire length and height, since no support posts or supporting structures between the individual segments are necessary.
  • the preferably prestressed segments are supported laterally against one another and at the ends of the wall or at freely selectable intervals against holding posts.
  • a disadvantage of this solution is the required installation depth due to the bending of the noise protection wall segments. In many construction situations, the additional width is simply not available.
  • the invention relates to a noise barrier wall segment consisting of two vertical support posts at the edge and an essentially rectangular frame which is attached to the vertical support posts at the edge, the frame having two vertical frame spars and a lower horizontal frame spar.
  • This solution dispenses with a support post in the upper transparent area of the noise barrier, but the noise barrier requires a disproportionately high clamping depth.
  • the object is achieved by arranging the fastening points of the transparent noise barrier wall segment according to claim 1.
  • the length of the transparent noise barrier wall segments to be clamped in can be more than doubled if the fastening points are arranged in such a way that the upper breakpoints of the transparent noise barrier wall segment are arranged at a height between 70 and 90% of the total height of the transparent noise barrier wall segment.
  • the upper breakpoints of the transparent noise barrier wall segment are arranged at a distance between 3 and 50 times the thickness of the transparent noise barrier wall element from the vertical edge of the plate.
  • the upper holding points would have to be at a distance from the vertical edge of the plate of between 60 and 1000 mm.
  • the plates are clamped along the entire length in a groove-shaped recess.
  • the depth of this groove is 2 cm to 25 cm, preferably from 3 to 15 cm and particularly preferably from 4 to 10 cm.
  • the distance between the posts can be up to 5 m.
  • the distance can also be up to 10 m if a further punctiform attachment is arranged approximately in the middle.
  • the distance between the posts is preferably 5 m or 10 m.
  • the annoying staccato effect is significantly reduced by the fastening of the larger post spacings achieved according to the invention.
  • the base of the noise barrier system can be transparent or non-transparent.
  • Non-transparent bases can optionally also be designed to be noise-absorbing, the person skilled in the art is aware of appropriate materials here, such as, for example, noise-absorbing concrete.
  • the noise protection plate is made of plastic or silicate glass and is preferably transparent and reflects the sound.
  • PMMA Polymethyl methacrylate
  • PC polycarbonate
  • PET polyethylene terephthalate
  • the polymethyl methacrylate (PMMA) can be produced by cast polymerization or by extrusion polymerization.
  • the transparent PMMA sheets can be produced by cast polymerisation or by extrusion, whereby polyamide threads can be embedded for splinter binding. Both manufacturing processes are known to the person skilled in the art. (Ullmann 6th edition, B. 28, p. 377 ff).
  • the PMMA plates can be reinforced, as described in EP-A 407 852 or EP-A 531 982.
  • the height of the transparent noise barrier is between 1 m and 4 m. This height can be achieved if the transparent noise barrier is made in one piece or if it consists of several plates placed one above the other, in which case suitable connecting elements must be used.
  • Another embodiment of the invention is characterized in that the upper part of the noise barrier wall segment is bent.
  • the width of the bent area can be between 5 and 50 cm, depending on the requirements. Kinks between 10 and 20 cm are preferred.
  • the angle which the bent area of the noise barrier wall element forms with the vertical is between 30 ° and 90 °, preferably between 45 and 60 °.
  • the kink is self-supporting.
  • the kink in the transparent noise protection wall segment can be made by bending the element, but a separate transparent plate can also be attached by means of an adhesive connection.
  • the thickness of the transparent noise protection wall element can vary within further limits; it has proven useful to use plate thicknesses between 10 and 50 mm.
  • the ratio between the transparent noise protection plate and the base of the noise protection wall can vary between 1:10 and 10: 1, preferably between 1: 5 and 5: 1 and particularly preferably between 1: 2 and 2: 1.
  • Figures 1 and 2 show - without being restricted thereby - a noise protection wall system consisting of a non-transparent base and a transparent attachment.
  • Figure 1 shows a Noise protection wall system with a distance between the posts of up to 5 m, whereby the plates of the transparent attachment are attached by means of posts (4).
  • FIG. 2 shows a noise protection wall system with a distance between the posts of up to 10 m, the plates of the transparent attachment being attached by means of posts (4) and an approximately centrally arranged further punctiform attachment (6) of the posts (5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

A noise barrier system composed of a base and a transparent superstructure. A support holds at least two adjacent transparent noise barrier elements and includes a point-fastening of the transparent noise barrier element. A position of upper holding points of the transparent superstructure is arranged at a height of from 70 to 90% of a total height of the transparent noise barrier element and at a distance of from 3 to 50 times a thickness of the transparent noise barrier element from a vertical edge. An upper side of the transparent noise barrier element has a flexure, an angle of the flexure being from 30° to 90° from vertical, and a width of an angled region being from 5 cm to 50 cm, and an entire length of a lower side of the sheet is secured within a groove-shaped depression.

Description

Lärmschutzwandsystem aus einem Sockel und einem transparenten AufsatzNoise protection wall system consisting of a base and a transparent attachment
Beschreibungdescription
Die vorliegende Erfindung betrifft ein Lärmschutzwandsystem bestehend aus einem Sockel und einer Lärmschutzplatte aus einem transparenten Kunststoff oder aus Silikatglas.The present invention relates to a noise protection wall system consisting of a base and a noise protection plate made of a transparent plastic or of silicate glass.
Plattensysteme der eingangs beschriebenen Art sind in der Regel aus mehreren quadratmetergroßen Platten, insbesondere aus transparenten Kunststoffplatten aufgebaut, wobei die Platten nebeneinander angeordnet sind und jeweils zwei benachbarte Platten von einem Träger zusammengehalten und am Boden oder am Sockel oder am Unterbau des Lärmschutzwandsystems fixiert werden. Neben Silikatglas werden bevorzugt transparente Kunststoffe wie beispielsweise Polymethylmethacrylat (PMMA) oder Polycarbonat (PC) eingesetzt.Panel systems of the type described at the outset are generally made up of several square meter panels, in particular of transparent plastic panels, the panels being arranged next to one another and two adjacent panels held together by a support and fixed to the floor or to the base or to the substructure of the noise protection wall system. In addition to silicate glass, transparent plastics such as polymethyl methacrylate (PMMA) or polycarbonate (PC) are preferred.
Diese Träger sind üblicherweise ein Doppel-T-Träger, auf dessen einem T die zwei benachbarten Platten in einem gewissen Abstand voneinander fixiert sind und mit einem Gummiprofil geschützt aufliegen. Gehalten werden diese Platten von einem Flachstahl, das auf den dem Doppel-T-Träger zugewandten Endbereichen der Platten aufliegt und das mittels mehrerer Befestigungsschrauben mit dem Doppel-T-Träger durch die Lücke zwischen den Platten mit einem Doppel-T-Träger verbunden ist.These carriers are usually a double-T carrier, on one T of which the two adjacent plates are fixed at a certain distance from one another and rest protected with a rubber profile. These plates are held by a flat steel which rests on the end regions of the plates facing the double-T support and which is connected to the double-T support by means of several fastening screws by means of the gap between the plates and a double-T support.
Eine Lärmschutzwand dieser Art ist einfach aufzubauen, von den Trägerelementen her nicht kostspielig und sichert die Platten in akzeptabler Weise gegen die üblicherweise auftretenden Verkehrslasten ab. Nachteilig bei dieser Lösung ist jedoch, dass die Träger sehr breite Pfosten sind, damit die nötigen Einspannungsiängen von jeweils mindestens 50 mm gewährleistet sind.A noise protection wall of this type is easy to set up, is not expensive from the support elements and secures the panels in an acceptable manner against the traffic loads that usually occur. A disadvantage of However, this solution is that the beams are very wide posts, so that the necessary clamping lengths of at least 50 mm are guaranteed.
Stand der TechnikState of the art
In der Veröffentlichung „Lärmschutzwände auf Brücken" (Verkehrsblatt-Verlag, 1995) werden die bis dahin bekannten Lärmschutzwand-Konstruktionen referiert. Bei den an Brücken vorherrschenden geringen Platzverhältnissen und in bereits bebauten Gebieten müssen die Lärmschutzwände erhöhten gestalterischen Anforderungen genügen.The previously known noise barrier constructions are referenced in the publication "Noise barriers on bridges" (Verkehrsblatt-Verlag, 1995). Given the limited space on bridges and in built-up areas, the noise barriers must meet increased design requirements.
Bisher standen funktionale Merkmale, wie beispielsweise Schallabsorption, Standsicherheit und Konstruktion im Vordergrund, zunehmend spielen ästhetische Gesichtspunkte eine Rolle.So far, functional features such as sound absorption, stability and construction have been in the foreground, aesthetic aspects play an increasing role.
Transparente Lärmschutzwände haben den Vorteil des freien Blicks in die Landschaft und lassen den Verkehrsweg für den Betrachter von außen weniger wallartig erscheinen. Außerdem wird auf Brücken deren Silhouette nicht nachteilig verändert.Transparent noise barriers have the advantage of a clear view of the landscape and make the traffic route appear less wall-like from the outside. In addition, the silhouette of bridges is not adversely changed.
Wenn die Konstruktion eine Kombination von einem nicht transparentem Sockel und einem transparentem Aufsatz ist, vermittelt dies dem Verkehrsteilnehmer ein gewisses Sicherheitsgefühl, vor allem auf Brücken.If the construction is a combination of a non-transparent base and a transparent attachment, this gives the road user a certain feeling of safety, especially on bridges.
Werden in diese Träger Kunststoffscheiben eingespannt, dann kann diese Verlegetechnik zur Ausbildung einer freien Auflagerung führen, welche durch Zulassung einer geringen Winkelbewegung zwischen Pfosten und Kunststoffscheibe eine negative Auswirkung auf die Erfüllung der Forderung der zusätzlichen technischen Vorschrift Lärmschutzwand 1988 (ZDV LSW 88) nach maximaler Durchbiegung unter Verkehrslast von 175 hat. Aus dem DE-U 85 24 319.1 bzw. EP-A-0 213 521 sind Verglasungssprossen zur Errichtung von Lärmschutzwänden, die großflächige Scheiben aus durchsichtigem Kunststoff zwischen senkrechten Pfosten enthalten, bekannt geworden, die in etwa den Eingangs genannten Trägern entsprechen. Anstelle eines Doppel-T-Trägers kann bei diesen Systemen auch ein Vierkantrohr verwendet werden, das hinsichtlich seiner Abmessungen dem Doppel-T-Träger entspricht. Die einzelnen Platten werden mit Abstand voneinander auf eine der Seitenflächen des Vierkantrohres aufgelegt und mittels einer Klemmschiene und einer entsprechenden Anzahl von Schrauben durch die Lücke zwischen den einzelnen Platten gegen das Vierkantrohr geklemmt. Die Konstruktion ist hinreichend windstabil, benötigt jedoch hierfür verhältnismäßig breite Vierkantrohre.If plastic panes are clamped into these supports, this laying technique can lead to the formation of a free support, which is achieved by allowing a small angular movement between the post and Plastic disc has a negative impact on the fulfillment of the requirement of the additional technical regulation Lärmschutzwand 1988 (ZDV LSW 88) for maximum deflection under traffic load of 175. From DE-U 85 24 319.1 and EP-A-0 213 521, glazing bars for the construction of noise barriers, which contain large-area panes of transparent plastic between vertical posts, have become known, which correspond approximately to the beams mentioned at the beginning. Instead of a double T-beam, a square tube can be used with these systems, which corresponds to the dimensions of the double-T beam. The individual plates are placed at a distance from each other on one of the side surfaces of the square tube and clamped against the square tube by means of a clamping rail and a corresponding number of screws through the gap between the individual plates. The construction is sufficiently wind stable, but requires relatively wide square tubes for this.
Abhilfe hierfür liefert beispielsweise die EP-A-0 530 512. Hierin wird ein Plattensystem offenbart, in welchem Kunststoffplatten nicht im Abstand auf Stoß, sondern einander teilweise überlappend durch die Überlappung und die Auflagefläche am Träger hindurch mit dem Träger verankert sind. Hierdurch kann die erforderliche Trägerbreite ohne Beeinträchtigung der Stabilität in etwa halbiert werden. Obwohl dies insbesondere für Wandsysteme und speziell bei durchsichtigen Lärmschutzwänden einen optisch gefälligeren Eindruck ergibt, da die Träger schlank sind und nicht mehr wie bisher plump wirken, macht die aus der EP-A-0 530 512 bekannte Technik immer noch relativ geringe Pfostenabstände von etwa 2 Metern sowie eine Führung der Platten über die gesamte Höhe von bis zu 3 Metern notwendig.A remedy for this is provided, for example, by EP-A-0 530 512. A plate system is disclosed in which plastic plates are anchored to the carrier, not at a distance from one another but rather partially overlapping one another through the overlap and the bearing surface on the carrier. As a result, the required beam width can be approximately halved without impairing the stability. Although this gives a visually more pleasing impression, particularly for wall systems and especially with transparent noise barriers, since the beams are slim and no longer look clumsy, the technique known from EP-A-0 530 512 still makes relatively small post spacings of about 2 Meters as well as a guidance of the plates over the entire height of up to 3 meters.
Es hat nun bereits Vorschläge gegeben, wie sowohl der Pfostenabstand als auch der freie Überstand vergrößert werden können. Einen Vorschlag hierzu entnimmt man beispielsweise der DE-A 42 30 786. Die dort offenbarten Lärmschutzwandsegmente weisen einen im wesentlichen rechteckigen Rahmen auf, welcher randseitig in das Profil von 2 senkrechten Tragpfosten einschiebbar und in diesen verriegelbar ist. In den Rahmen selbst, welcher aus 2 vertikalen Rahmenholmen, einem unteren Rahmenholmen sowie einem zweigeteilten oberen horizontalen Rahmenholmen besteht, sind Schallschluckplatten aus Kunststoff eingeschoben und lösbar gehalten. Dabei muss der Rahmen lediglich eine Höhe haben, die nur etwa 2/3 der Höhe der Schallschluckplatte beträgt, so dass ein Überstand von bis zu 50% realisierbar ist. Obwohl durch den Überstand und die Vergrößerung des Pfostenabstandes auf bis zu 6 Meter die ansonsten durch eine kurze Pfostenfolge bei bekannten Lärmschutzwänden stark beeinträchtigte Sicht erheblich verbessert ist, ist insbesondere der optische Eindruck einer solchen Lärmschutzwand immer noch schwer und drückend.There have already been suggestions as to how both the post spacing and the free projection can be increased. A proposal for this can be found, for example, in DE-A 42 30 786. The ones disclosed there Noise protection wall segments have an essentially rectangular frame, which can be pushed in and locked into the profile of two vertical support posts. In the frame itself, which consists of 2 vertical frame spars, a lower frame spars and a two-part upper horizontal frame spars, sound absorbing plates made of plastic are inserted and held detachably. The frame only has to have a height that is only about 2/3 of the height of the sound absorbing plate, so that a projection of up to 50% can be achieved. Although the projection and the enlargement of the post spacing to up to 6 meters have significantly improved the view, which is otherwise severely impaired by a short post sequence with known noise barriers, the visual impression of such a noise barrier is still particularly difficult and oppressive.
EP 908563 beschreibt Lärmschutzwandsegmente aus Kunststoff, die an einem Träger befestigt sind, wobei die Platte gelenkig punkförmig so gelagert ist, dass eine unter der Last resultierende Biegelinie der Platte durch das Befestigungsmittel begleitbar ist. Die Lösung führt zu einem recht filigran aussehenden Befestigungsmittel der Platte, die notwendigen Pfostenbreiten werden dadurch aber nicht verringert.EP 908563 describes noise protection wall segments made of plastic which are fastened to a support, the plate being articulated in a punctiform manner in such a way that a bending line of the plate resulting under the load can be accompanied by the fastening means. The solution leads to a rather filigree-looking fastening means for the plate, but this does not reduce the necessary post widths.
DE 19906989 betrifft ein Lärmschutzwandsegment für Strassen-, Autobahnoder Schienenwege, wobei das Lärmschutzwandsegment aus transparenten Platten, beispielsweise transparenten Kunststoffplatten und den plattenfixierenden Mitteln besteht. Die transparente Platte ist um eine senkrechte zur Aufstellungsfläche der montierten Lärmschutzwand geformt, wobei unter der Formung eine Wölbung und/oder eine Faltung zu verstehen ist. Das Lärmschutzwandsegment erreicht durch diese Formung eine Eigenstabilität. Eine aus diesen Segmenten zusammengesetzte Lärmschutzwand ist über deren gesamte Länge und Höhe transparent, da keine Haltepfosten oder Tragwerke zwischen den einzelnen Segmenten notwendig sind. Im eingebauten Zustand stützen sich die vorzugsweise vorgespannten Segmente seitlich gegeneinander und an den Enden der Wand oder in frei wählbaren Abständen gegen Haltepfosten ab. Nachteilig bei dieser Lösung ist die erforderliche Einbautiefe durch die Biegung der Lärmschutzwandsegmente. In vielen Bausituationen steht die zusätzliche Breite einfach nicht zur Verfügung.DE 19906989 relates to a noise barrier wall segment for road, highway or rail paths, the noise barrier wall segment consisting of transparent plates, for example transparent plastic plates and the plate-fixing means. The transparent plate is formed around a perpendicular to the installation surface of the installed noise barrier, the formation being understood to mean a curvature and / or a fold. This shape gives the noise protection wall segment inherent stability. A noise barrier made up of these segments is transparent over its entire length and height, since no support posts or supporting structures between the individual segments are necessary. In the installed state, the preferably prestressed segments are supported laterally against one another and at the ends of the wall or at freely selectable intervals against holding posts. A disadvantage of this solution is the required installation depth due to the bending of the noise protection wall segments. In many construction situations, the additional width is simply not available.
Ein weiteres System beschreibt EP 589 346. Die Erfindung betrifft ein Lärmschutzwandsegment bestehend aus zwei randseitigen senkrechten Tragpfosten und einem im wesentlichen rechteckigen Rahmen der randseitig an den senkrechten Tragpfosten angebracht ist, wobei der Rahmen zwei vertikale Rahmholme und einen unteren horizontalen Rahmenholm aufweist. Diese Lösung verzichtet auf einen Tragpfosten im oberen transparenten Bereich der Lärmschutzwand, allerdings benötigt die Lärmschutzwand eine unverhältnismäßig hohe Einspanntiefe.Another system is described in EP 589 346. The invention relates to a noise barrier wall segment consisting of two vertical support posts at the edge and an essentially rectangular frame which is attached to the vertical support posts at the edge, the frame having two vertical frame spars and a lower horizontal frame spar. This solution dispenses with a support post in the upper transparent area of the noise barrier, but the noise barrier requires a disproportionately high clamping depth.
Aufgabetask
Fährt man mit dem Verkehrsmittel an einer nach dem Stand der Technik aufgebauten Lärmschutzwand entlang, so entsteht durch den Wechsel aus transparenter Lärmschutzwand und massiven Befestigungspfosten ein unschöner Stakkatoeffekt durch den hell/dunkel Wechsel. Es bestand also die Aufgabe, eine transparente Lärmschutzwand so auszubilden, dass dieser unschöne Stakkatoeffekt möglichst vermieden wird und der transparente Eindruck möglichst ungestört den Verkehrsteilnehmer erreicht. Die Befestigung muss die üblichen Verkehrslasten aufnehmen und darf, besonders auf Brücken, nicht all zu viel Raum beanspruchen. LösungIf one travels along a noise protection wall constructed according to the state of the art, the change from transparent noise protection wall and massive fastening posts creates an unsightly staccato effect due to the light / dark change. The task was therefore to design a transparent noise barrier so that this unsightly staccato effect is avoided as far as possible and the transparent impression reaches the road user as undisturbed as possible. The attachment must take up the usual traffic loads and, especially on bridges, must not take up too much space. solution
Die Aufgabe wird durch eine Anordnung der Befestigungspunkte des transparenten Lärmschutzwandsegments gemäß Anspruch 1 gelöst.The object is achieved by arranging the fastening points of the transparent noise barrier wall segment according to claim 1.
Als Technik für den Befestigungspunkt wird die in der EP 908 563, Figur 1 und in der Beschreibung S. 1 , Abschnitt 009 bis S. 54, Abschnitt 035 beschriebeneThe technique for the attachment point is described in EP 908 563, FIG. 1 and in the description on page 1, section 009 to page 54, section 035
Methode angewandt. Mit dieser Befestigungstechnik gelingt es,Method applied. With this fastening technology
Lärmschutzwandsegmente in der Größe von 2 x 3 Metern und in Dicken von etwa 20 mm zu befestigen, so dass die üblichen statischen AnforderungenNoise protection wall segments in the size of 2 x 3 meters and in thicknesses of about 20 mm to be fixed, so that the usual static requirements
(Eigenlast, Windlast) erfüllt sind.(Dead load, wind load) are met.
Längere Einspannbreiten wurden mit dem Befestigungssystem bisher nicht realisiert.Longer clamping widths have so far not been achieved with the fastening system.
Es wurde nun gefunden, dass man die Länge der einzuspannenden transparenten Lärmschutzwandsegmente mehr als verdoppeln kann, wenn man die Befestigungspunkte so anordnet, dass die oberen Haltepunkte des transparenten Lärmschutzwandsegments in einer Höhe zwischen 70 und 90 % der Gesamthöhe des transparenten Lärmschutzwandsegments angeordnet sind.It has now been found that the length of the transparent noise barrier wall segments to be clamped in can be more than doubled if the fastening points are arranged in such a way that the upper breakpoints of the transparent noise barrier wall segment are arranged at a height between 70 and 90% of the total height of the transparent noise barrier wall segment.
Die oberen Haltepunkte des transparenten Lärmschutzwandsegments werden gemäß der Erfindung in einem Abstand zwischen der 3 und der 50-fachen Dicke des transparenten Larmschutzwandelements vom vertikalen Rand der Platte angeordnet. Bei einem beispielsweise 20 mm dicken Larmschutzwandelement müssten die oberen Haltepunkte also einen Abstand zum vertikalen Rand der Platte zwischen 60 und 1000 mm besitzen.According to the invention, the upper breakpoints of the transparent noise barrier wall segment are arranged at a distance between 3 and 50 times the thickness of the transparent noise barrier wall element from the vertical edge of the plate. For example, in the case of a 20 mm thick noise barrier element, the upper holding points would have to be at a distance from the vertical edge of the plate of between 60 and 1000 mm.
Die Platten werden an der unteren Seite über die gesamte Länge in einer nutförmigen Vertiefung eingespannt. Hierbei beträgt die Tiefe dieser Nut von 2 cm bis 25 cm, bevorzugt von 3 bis 15 cm und besonders bevorzugt von 4 bis 10 cm.The plates are clamped along the entire length in a groove-shaped recess. The depth of this groove is 2 cm to 25 cm, preferably from 3 to 15 cm and particularly preferably from 4 to 10 cm.
Der Abstand zwischen den Pfosten kann bis zu 5 m betragen. Der Abstand kann auch bis zu 10 m betragen, wenn etwa mittig eine weitere punktförmige Befestigung angeordnet ist. Bevorzugt beträgt der Abstand der Pfosten 5 m oder 10 m.The distance between the posts can be up to 5 m. The distance can also be up to 10 m if a further punctiform attachment is arranged approximately in the middle. The distance between the posts is preferably 5 m or 10 m.
Durch die erfindungsgemäße Befestigung erreichten größeren Pfostenabstände wird der störende Stakkato-Effekt deutlich vermindert.The annoying staccato effect is significantly reduced by the fastening of the larger post spacings achieved according to the invention.
Der Sockel des Lärmschutzwandsystems kann transparent oder nicht transparent sein. Nicht transparente Sockel können gegebenenfalls zusätzlich lärmabsorbierend ausgelegt sein, dem Fachmann sind hier entsprechende Materialien wie zum Beispiel lärmabsorbierender Beton bekannt.The base of the noise barrier system can be transparent or non-transparent. Non-transparent bases can optionally also be designed to be noise-absorbing, the person skilled in the art is aware of appropriate materials here, such as, for example, noise-absorbing concrete.
Die Lärmschutzplatte besteht aus Kunststoff oder aus Silikatglas und ist bevorzugt transparent und reflektiert den Schall.The noise protection plate is made of plastic or silicate glass and is preferably transparent and reflects the sound.
Als transparente Kunststoffe können Polymethylmethacrylat (PMMA), Polycarbonat (PC) oder Polyethylenterephthalat (PET) verwendet werden.Polymethyl methacrylate (PMMA), polycarbonate (PC) or polyethylene terephthalate (PET) can be used as transparent plastics.
Das Polymethylmethacrylat (PMMA) kann durch Gusspolymerisation oder durch Extrusionspolymerisation hergestellt werden. Die transparenten PMMA-Platten können durch Gusspolymerisation oder durch Extrusion hergestellt werden, wobei Polyamidfäden zur Splitterbindung eingebettet werden können. Beide Herstellungsverfahren sind dem Fachmann bekannt. (Ullmann 6. Auflage, B. 28, S. 377 ff). Die PMMA-Platten können verstärkt sein, wie in der EP-A 407 852 oder der EP-A 531 982 beschrieben. Die Höhe der transparenten Lärmschutzwand bewegt sich zwischen 1 m und 4 m. Diese Höhe kann erreicht werden, indem die transparente Lärmschutzwand einstückig ausgeführt ist oder indem sie aus mehreren übereinander gestellten Platten besteht, wobei in diesem Fall geeignete Verbindungselemente zu verwenden sind.The polymethyl methacrylate (PMMA) can be produced by cast polymerization or by extrusion polymerization. The transparent PMMA sheets can be produced by cast polymerisation or by extrusion, whereby polyamide threads can be embedded for splinter binding. Both manufacturing processes are known to the person skilled in the art. (Ullmann 6th edition, B. 28, p. 377 ff). The PMMA plates can be reinforced, as described in EP-A 407 852 or EP-A 531 982. The height of the transparent noise barrier is between 1 m and 4 m. This height can be achieved if the transparent noise barrier is made in one piece or if it consists of several plates placed one above the other, in which case suitable connecting elements must be used.
Eine weitere Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass der obere Teil des Lärmschutzwandsegments abgeknickt ist. Die Breite des abgeknickten Bereichs kann, je nach Erfordernissen, zwischen 5 und 50 cm liegen. Abknickungen zwischen 10 und 20 cm sind bevorzugt. Der Winkel, den der abgeknickte Bereich des Larmschutzwandelements mit der Senkrechten bildet, liegt zwischen 30° und 90°, bevorzugt zwischen 45 und 60°. Der Knick ist freitragend ausgeführt. Der Knick in dem transparenten Lärmschutzwandsegment kann durch Abkanten des Elements ausgeführt sein, es kann aber auch eine separate transparente Platte mittels Klebeverbindung angesetzt werden.Another embodiment of the invention is characterized in that the upper part of the noise barrier wall segment is bent. The width of the bent area can be between 5 and 50 cm, depending on the requirements. Kinks between 10 and 20 cm are preferred. The angle which the bent area of the noise barrier wall element forms with the vertical is between 30 ° and 90 °, preferably between 45 and 60 °. The kink is self-supporting. The kink in the transparent noise protection wall segment can be made by bending the element, but a separate transparent plate can also be attached by means of an adhesive connection.
Die Dicke des transparenten Larmschutzwandelements kann in weiteren Grenzen variieren, es hat sich bewährt, Plattendicken zwischen 10 und 50 mm einzusetzen.The thickness of the transparent noise protection wall element can vary within further limits; it has proven useful to use plate thicknesses between 10 and 50 mm.
Das Verhältnis zwischen der transparenten Lärmschutzplatte und dem Sockel der Lärmschutzwand kann sich zwischen 1 : 10 und 10 : 1 , bevorzugt zwischen 1 : 5 und 5 : 1 und besonders bevorzugt zwischen 1 : 2 und 2 : 1 bewegen.The ratio between the transparent noise protection plate and the base of the noise protection wall can vary between 1:10 and 10: 1, preferably between 1: 5 and 5: 1 and particularly preferably between 1: 2 and 2: 1.
Erläuterung der ZeichnungenExplanation of the drawings
Die Figuren 1 und 2 zeigen - ohne dass hierdurch eine Beschränkung erfolgen soll - ein Lärmschutzwandsystem bestehend aus einem nicht transparenten Sockel und einem transparenten Aufsatz. Figur 1 zeigt ein Lärmschutzwandsystem mit einem Abstand zwischen den Pfosten bis zu 5 m, wobei die Platten des transparenten Aufsatzes mittels Pfosten (4) befestigt sind.Figures 1 and 2 show - without being restricted thereby - a noise protection wall system consisting of a non-transparent base and a transparent attachment. Figure 1 shows a Noise protection wall system with a distance between the posts of up to 5 m, whereby the plates of the transparent attachment are attached by means of posts (4).
Figur 2 zeigt ein Lärmschutzwandsystem mit einem Abstand zwischen den Pfosten bis zu 10 m, wobei die Platten des transparenten Aufsatzes mittels Pfosten (4) und einer etwa mittig angeordneten weiteren punktförmigen Befestigung (6) des Pfostens (5) befestigt sind.FIG. 2 shows a noise protection wall system with a distance between the posts of up to 10 m, the plates of the transparent attachment being attached by means of posts (4) and an approximately centrally arranged further punctiform attachment (6) of the posts (5).
Bedeutung der Bezugszeichen:Meaning of the reference symbols:
1 = Sockel1 = base
2 = transparenter Aufsatz2 = transparent attachment
3 = abgeknickter oberer Teil des transparenten Larmschutzwandelements3 = bent upper part of the transparent noise barrier element
4 = Pfosten (Träger), wie z.B. in EP 908 563, Figur 1 beschrieben4 = posts (beams), e.g. in EP 908 563, Figure 1 described
5 = Pfosten (Träger) für zusätzliche, etwa mittige Befestigung5 = post (bracket) for additional, approximately central attachment
6 = punktförmige Befestigung des transparenten Larmschutzwandelements 6 = point fixing of the transparent noise barrier element

Claims

Patentansprüche: claims:
1. Lärmschutzwandsystem bestehend aus einem Sockel und einem transparenten Aufsatz,1. Noise protection wall system consisting of a base and a transparent attachment,
dadurch gekennzeichnet,characterized,
dass der mindestens zwei benachbarte transparente Lärmschutzwandelemente haltende Träger eine punktförmige Befestigung des transparenten Larmschutzwandelements aufweist und dass die Lage der oberen Haltepunkte des transparenten Elements in einer Höhe von zwischen 70 und 90 Prozent der Gesamthöhe des transparenten Larmschutzwandelements und in einem Abstand zwischen der 3 und der 50-fachen Dicke des transparenten Larmschutzwandelements vom vertikalen Rand angeordnet ist, und dass das transparente Larmschutzwandelement an der oberen Seite einen Knick aufweist, wobei der Knick in einem Winkel zwischen 30° und 90° zur Senkrechten ausgeführt ist und die Breite des abgeknickten Bereichs zwischen 5 cm und 50 cm beträgt und dass die Platte an der unteren Seite über die gesamte Länge in einer nutförmigen Vertiefung eingespannt ist.that the carrier holding at least two adjacent transparent noise barrier elements has a punctiform attachment of the transparent noise barrier element and that the position of the upper holding points of the transparent element is at a height of between 70 and 90 percent of the total height of the transparent noise barrier element and at a distance between FIGS. 3 and 50 -fold thickness of the transparent noise barrier element is arranged from the vertical edge, and that the transparent noise barrier element has a kink on the upper side, the kink being made at an angle between 30 ° and 90 ° to the vertical and the width of the kinked area between 5 cm and 50 cm and that the plate is clamped on the lower side over the entire length in a groove-shaped recess.
2. Lärmschutzwandsystem nach Anspruch 1 ,2. Noise protection wall system according to claim 1,
dadurch gekennzeichnet,characterized,
dass der Sockel transparent ist. that the base is transparent.
3. Lärmschutzwandsystem nach Anspruch 1 ,3. Noise protection wall system according to claim 1,
dadurch gekennzeichnet,characterized,
dass der Sockel nicht transparent ist.that the base is not transparent.
4. Lärmschutzwandsystem nach Anspruch 3,4. Noise protection wall system according to claim 3,
dadurch gekennzeichnet,characterized,
dass der Sockel zusätzlich lärmabsorbierend ausgelegt ist.that the base is also designed to absorb noise.
5. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,5. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass der Winkel des abgeknickten Bereichs zwischen 45° und 60° zur Senkrechten beträgt.that the angle of the bent area is between 45 ° and 60 ° to the vertical.
6. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,6. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass die Dicke des transparenten Larmschutzwandelements zwischen 10 mm und 50 mm beträgt. that the thickness of the transparent noise barrier element is between 10 mm and 50 mm.
7. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,7. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass die Breite des Knicks zwischen 10 und 20 cm beträgt.that the width of the kink is between 10 and 20 cm.
8. Lärmschutzwandsystem nach Anspruch 1,8. Noise protection wall system according to claim 1,
dadurch gekennzeichnet,characterized,
dass der Abstand zwischen den Trägerpfosten bis zu 5 m beträgt.that the distance between the support posts is up to 5 m.
9. Lärmschutzwandsystem nach den Ansprüchen 1 bis 7,9. Noise protection wall system according to claims 1 to 7,
dadurch gekennzeichnet,characterized,
dass der Abstand zwischen den Pfosten bis zu 10 m beträgt und dass etwa mittig eine weitere punktförmige Befestigung angeordnet ist.that the distance between the posts is up to 10 m and that another punctiform attachment is arranged approximately in the middle.
10. Lärmschutzwandsystem nach Anspruch 1 bis 7,10. Noise protection wall system according to claim 1 to 7,
dadurch gekennzeichnet,characterized,
dass sich die Höhe der gegebenenfalls aus mehreren übereinander gestellten Platten bestehenden transparenten Lärmschutzwand zwischen 1 und 4 m bewegt. that the height of the transparent noise barrier, which may consist of several plates placed one above the other, is between 1 and 4 m.
11. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,11. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass sich das Verhältnis zwischen der transparenten Lärmschutzplatte und dem Sockel der Lärmschutzwand zwischen 1 : 10 und 10 : 1 bewegt.that the ratio between the transparent noise protection plate and the base of the noise protection wall is between 1:10 and 10: 1.
12. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,12. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass der transparente Teil des Lärmschutzwandsystems eine reflektierende Schallschutzfunktion erfüllt.that the transparent part of the noise barrier system fulfills a reflective sound insulation function.
13. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,13. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass der Knick zur Schallquelle hin angerichtet ist.that the kink is directed towards the sound source.
14. Lärmschutzwandsystem nach den Ansprüchen 1 bis 12,14. Noise protection wall system according to claims 1 to 12,
dadurch gekennzeichnet,characterized,
dass der Knick von der Schallquelle weg gerichtet ist. that the kink is directed away from the sound source.
15. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,15. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass der transparente Teil aus Mineralglas oder transparenten Kunststoffen besteht.that the transparent part is made of mineral glass or transparent plastics.
16. Lärmschutzwandsystem nach einem oder mehreren der vorstehenden Ansprüche,16. Noise protection wall system according to one or more of the preceding claims,
dadurch gekennzeichnet,characterized,
dass als transparente Kunststoffe Polymethylmethacrylat (PMMA), Polycarbonat (PC) oder Polyethylenterephthalat (PET) verwendet werden.that polymethyl methacrylate (PMMA), polycarbonate (PC) or polyethylene terephthalate (PET) are used as transparent plastics.
17. Lärmschutzwandsystem nach Anspruch 16,17. Noise protection wall system according to claim 16,
dadurch gekennzeichnet,characterized,
dass das PMMA durch Gusspolymerisation oder durch Extrusionspolymerisation herstellbar ist. that the PMMA can be produced by cast polymerisation or by extrusion polymerisation.
8. Lärmschutzwandsystem nach Anspruch 16,8. Noise protection wall system according to claim 16,
dadurch gekennzeichnet,characterized,
dass die transparente PMMA-Platte durch Gusspolymerisation oder durch Extrusion hergestellt wird und dabei Polyamidfäden zur Splitterbindung eingebettet werden. that the transparent PMMA plate is produced by cast polymerisation or by extrusion and polyamide threads are embedded for splinter binding.
EP03757930A 2003-03-21 2003-10-09 Noise prevention wall system comprising a base and a transparent top part Expired - Lifetime EP1606457B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10312783A DE10312783A1 (en) 2003-03-21 2003-03-21 Noise protection wall system consisting of a pedestal and a transparent attachment
DE10312783 2003-03-21
PCT/EP2003/011162 WO2004083525A1 (en) 2003-03-21 2003-10-09 Noise prevention wall system comprising a base and a transparent top part

Publications (2)

Publication Number Publication Date
EP1606457A1 true EP1606457A1 (en) 2005-12-21
EP1606457B1 EP1606457B1 (en) 2006-11-29

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US (1) US7568553B2 (en)
EP (1) EP1606457B1 (en)
JP (1) JP4383355B2 (en)
CN (1) CN1751156B (en)
AT (1) ATE346983T1 (en)
AU (1) AU2003273963A1 (en)
DE (2) DE10312783A1 (en)
ES (1) ES2278191T3 (en)
HK (1) HK1087745A1 (en)
RU (1) RU2334043C2 (en)
TW (1) TW200419044A (en)
WO (1) WO2004083525A1 (en)

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EP1606457B1 (en) 2006-11-29
TW200419044A (en) 2004-10-01
JP4383355B2 (en) 2009-12-16
WO2004083525A1 (en) 2004-09-30
RU2005132381A (en) 2006-02-20
CN1751156A (en) 2006-03-22
DE50305879D1 (en) 2007-01-11
ATE346983T1 (en) 2006-12-15
ES2278191T3 (en) 2007-08-01
DE10312783A1 (en) 2004-09-30
US20060185268A1 (en) 2006-08-24
US7568553B2 (en) 2009-08-04
HK1087745A1 (en) 2006-10-20
JP2006514184A (en) 2006-04-27
RU2334043C2 (en) 2008-09-20
AU2003273963A1 (en) 2004-10-11

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