EP0337085B1 - Noise barrier wall - Google Patents

Noise barrier wall Download PDF

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Publication number
EP0337085B1
EP0337085B1 EP89102970A EP89102970A EP0337085B1 EP 0337085 B1 EP0337085 B1 EP 0337085B1 EP 89102970 A EP89102970 A EP 89102970A EP 89102970 A EP89102970 A EP 89102970A EP 0337085 B1 EP0337085 B1 EP 0337085B1
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EP
European Patent Office
Prior art keywords
noise barrier
barrier wall
wall according
cassettes
mats
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EP89102970A
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German (de)
French (fr)
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EP0337085A2 (en
EP0337085A3 (en
Inventor
Wolfgang Behrens
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Individual
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Individual
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Priority to AT89102970T priority Critical patent/ATE92560T1/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/02Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
    • E01F8/027Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with external support, e.g. wall facing

Definitions

  • the invention relates to a noise barrier according to the preamble of claim 1.
  • Noise protection walls are preferably erected on the edge of busy streets to protect neighboring residential areas from traffic noise. Constructions that have a profiled surface are particularly widespread, so that when the sound is reflected, it breaks in different directions and is gradually absorbed by the multiple reflection. There are also soundproof walls with a perforated surface and a sound-absorbing inner mat. The known designs are in a green or gray color tone and offer a monotonous appearance. They also get dirty quickly due to splashing water from the vehicles.
  • a further disadvantage is that the reduced air exchange on the street with the environment creates an increase in pollutants and heat build-up.
  • noise barrier has been developed that can be planted.
  • This noise barrier offers an aesthetically pleasing sight and cleans itself during the growing season.
  • the plants absorb sound very effectively, and the microclimate favored by the plants supports the removal of pollutants and heat absorption.
  • this noise barrier is relatively expensive, so that its distribution has so far been limited. It also requires a relatively high level of maintenance when caring for and replacing the plants.
  • the invention has for its object to provide a noise barrier, which has the properties Favorable sound absorption, good appearance, a self-cleaning effect, favorable climatic influence as well as cost-effective production, easy assembly and simple maintenance.
  • the noise protection wall 10 shown in FIG. 1 carries the structure with a framework made of two wide flange beams 20 which are embedded in foundations 28 in the ground 26.
  • the wide flange supports 20 are designed as double-T profiles and thus form U-shaped holding grooves 22 into which cassettes 14 can be inserted from above.
  • the distance between the wide flange supports is approximately 3.60 m and the height of the cassettes 14 is approximately 60 cm.
  • a drip irrigation system 24 which supplies the noise barrier 10 with water via its upper cassette 14.
  • the supplied water is partly supplied to the plants growing on the surface of the cassettes 14 and the excess part reaches the cassette 14 underneath, which in turn releases the excess part to the cassettes 14 below.
  • the remaining part is finally taken up by the lower cassette 14 and fed to the plants growing there.
  • washing mats 30 are provided, which serve as a barrier and first store the excess water and then slowly release it.
  • a moisture sensor 44 arranged in a blind field 42 serves to regulate the water requirement depending on the vegetation as well as the ambient temperature and air humidity. This controls an automatic system influencing the water supply for the droplet irrigation 24. It is not necessary to place moisture sensors 44 in each of the lower cassettes 14. Rather, it is sufficient to do this at a distance of several 10 or 100 m.
  • Fig. 2 shows a plan view of a section of the cassette 14.
  • a wire mesh 16 can be seen, which serves as a support and protective frame. It is possible to completely design the supporting and protective frame as a wire mesh or to carry out the horizontal end sides through a perforated plate.
  • Hygroscopic rock wool 12 in the form of rock wool mats is located behind the wire mesh. These rock wool mats form a nutrient medium for the plants with which the cassettes are covered.
  • the rock wool contains fertilizer, nutrients and also serves as transport for the externally supplied water.
  • the rock wool also provides support for the roots of the plants.
  • the rock wool also provides sound insulation.
  • a washing mat 30 is arranged only on a horizontal edge zone. This is the simplest embodiment, which causes the water supplied via the droplet irrigation 24 to be retained in the cassettes 14.
  • the property of the rock wool mats 12 is used to maintain the moisture distribution at least over a height difference of about 60 cm.
  • watering mats 30 and 32 are provided on both horizontal edge zones.
  • the two watering mats can be made about half as thick as in the version in Fig. 3.
  • the advantage of this embodiment is that no special attention to the correct position of the watering mats needs to be given during assembly.
  • a vertical irrigation mat 31 is additionally arranged on the vertical side opposite the side covered with plants 18.
  • a uniform water release to the rock wool 12 can take place, which on the one hand avoids the risk of under and over-watering of the plants and on the other hand also creates a uniform aesthetic impression in the vegetation and also achieves uniform sound absorption.
  • a wall plate 34 which forms a protection against evaporation of the stored water and a mechanical protection.
  • a watering mat 33 is provided, which is arranged in the interior of the rock wool 12 and runs in a meandering manner. This configuration protects the rock wool from sagging at the same time, since it acts like a reinforcement. Furthermore, a particularly uniform irrigation of all areas of the rock wool mats 12 takes place here. This solution in particular also allows plants 18 to be provided on the front and back of the cassette 14.
  • Fig. 7 shows a cross section through a cassette 14 as an enlarged detail.
  • the arrangement of the wire mesh 16 is shown here, which carries the relatively soft and flexible mats made of rock wool 12 and the watering mats and protects them against external influences such as e.g. Protect storm or mechanical influences.
  • the wire mesh 16 is dimensioned so that there is sufficient space for the plants 18 so that they can spread in their growth.
  • Fig. 8 In the perspective view shown in Fig. 8 can be seen, as in the wide flange beams 20 are formed by the double-T support design U-shaped holding grooves 22 on both sides. These form a holder and a guide when inserting the cassettes 14. Above the upper cassette 14, the drip irrigation 24 can be seen.
  • the watering mat 30 has a central carrier layer 36 made of mechanically consolidated polyester needle fleece. It has water-storing and water-releasing properties.
  • the carrier layer 36 is approximately 4 mm thick and has a density of approximately 500 g / m 2.
  • a poly-propylene (PP) support in the form of ribs 38 is needled on the underside of the carrier layer 36, while a continuous support 40 is arranged on the top.
  • the density of the washing mat formed from the carrier layer 36 and the PP pad 38, 40 is approximately 800 to 1000 g / m2.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Cultivation Of Plants (AREA)
  • Hydroponics (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

The problem in noise barrier walls is the optimisation of physical, aesthetic, production and financial properties. Starting from known noise barrier walls having structural wall components, noise barrier walls which allow planting, the noise barrier wall according to the invention is formed by wall components having units containing a nutrient medium. These are arranged on top of each other to form the height of the wall. The units are precultured and covered with lower or higher plants. As a complete component, they consist of a supporting and protecting frame in which there are arranged the nutrient medium and irrigation mats. The irrigation mats have water-retaining and water-releasing properties, and at the top of the noise barrier wall there is arranged a trickle irrigation system. <IMAGE>

Description

Die Erfindung betrifft eine Lärmschutzwand nach dem Oberbegriff des Anspruchs 1.The invention relates to a noise barrier according to the preamble of claim 1.

Lärmschutzwände werden vorzugsweise am Rande stark befahrener Straßen aufgestellt, um benachbarte Wohngebiete vor dem Verkehrslärm zu schützen. Besonders verbreitet sind Konstruktionen, die eine profilierte Oberfläche darbieten, um bei der Reflektion des Schalls diesen in verschiedene Richtungen zu brechen und durch die Mehrfachreflektion allmählich zu absorbieren. Ferner gibt es Schallschutzwände mit perforierter Oberfläche und einer schallabsorbierenden Innenmatte. Die bekannten Ausführungen sind in einem grünen oder grauen Farbton gehalten und bieten ein eintöniges Erscheinungsbild dar. Durch von den Fahrzeugen aufgewirbeltes Spritzwasser verschmutzen sie auch schnell.Noise protection walls are preferably erected on the edge of busy streets to protect neighboring residential areas from traffic noise. Constructions that have a profiled surface are particularly widespread, so that when the sound is reflected, it breaks in different directions and is gradually absorbed by the multiple reflection. There are also soundproof walls with a perforated surface and a sound-absorbing inner mat. The known designs are in a green or gray color tone and offer a monotonous appearance. They also get dirty quickly due to splashing water from the vehicles.

Weiterhin wirkt sich nachteilig aus, daß durch den verringerten Luftaustausch auf der Straße mit der Umgebung ein Schadstoffanstieg und ein Wärmestau entstehen.A further disadvantage is that the reduced air exchange on the street with the environment creates an increase in pollutants and heat build-up.

Zur Beseitigung dieser Nachteile ist eine Lärmschutzwand entwickelt worden, die bepflanzbar ist. Diese Lärmschutzwand bietet einen ästhetisch gelungenen Anblick und reinigt sich während der Vegetationszeit selbst. Außerdem findet eine sehr wirksame Schallabsorption durch die Pflanzen statt und das durch die Pflanzen begünstigte Mikroklima unterstützt die Schadstoffabfuhr und die Wärmeabsorption. Diese Lärmschutzwand ist jedoch verhältnismäßig teuer, so daß ihre Verbreitung bislang nur begrenzt ist. Außerdem erfordert sie bei der Pflege und dem Austausch der Pflanzen einen verhältnismäßig hohen Wartungsaufwand.To eliminate these disadvantages, a noise barrier has been developed that can be planted. This noise barrier offers an aesthetically pleasing sight and cleans itself during the growing season. In addition, the plants absorb sound very effectively, and the microclimate favored by the plants supports the removal of pollutants and heat absorption. However, this noise barrier is relatively expensive, so that its distribution has so far been limited. It also requires a relatively high level of maintenance when caring for and replacing the plants.

Der Erfindung liegt die Aufgabe zugrunde, eine Lärmschutzwand zu schaffen, welche die Eigenschaften günstiger Schallabsorption, guten Aussehens, einem Selbstreinigungeffekt, günstiger klimatischer Beeinflussung sowie kostengünstiger Herstellung, leichter Montage und einfacher Wartung miteinander verbindet.The invention has for its object to provide a noise barrier, which has the properties Favorable sound absorption, good appearance, a self-cleaning effect, favorable climatic influence as well as cost-effective production, easy assembly and simple maintenance.

Diese Aufgabe wird bei einer Lärmschutzwand nach dem Oberbegriff des Anspruchs 1 durch die im kennzeichnenden Teil angegebenen Merkmale gelöst.This object is achieved in a noise barrier according to the preamble of claim 1 by the features specified in the characterizing part.

Die Herstellung und Montage sowie die Wartung wird durch die Ausbildung der Wandteile als Cassetten erleichtert. Diese sind vorgefertigt und werden als komplette Baueinheiten zur Baustelle gebracht und dort eingebaut. Die Schallabsorbierende Wirkung sowie der ästhetische Effekt und die klimatische Beeinflussung wird durch den Pflanzenbewuchs erzielt. Durch die Montage der Cassetten übereinander besteht ein Problem der Bewässerung der Pflanzen, welche durch eine Tröpfchenbewässerung erfolgt. Zur Vermeidung einer ungleichmäßigen Wasserverteilung sind Wässerungsmatten vorgesehen, die dem von oben nach unten sickernden Wasser eine Sperre darbieten und dadurch sowohl den oben liegenden Cassetten als auch den unten liegenden Cassetten eine gleichmäßige, für das Pflanzenwachstum ausgewogene Wassermenge zuführen.Manufacturing, assembly and maintenance are made easier by designing the wall parts as cassettes. These are prefabricated and are brought to the construction site as complete units and installed there. The sound-absorbing effect as well as the aesthetic effect and the climatic influence is achieved by the vegetation. By mounting the cassettes on top of each other there is a problem of watering the plants, which is done by drip irrigation. In order to avoid an uneven water distribution, watering mats are provided, which provide a barrier to the water seeping from the top downwards and thus provide both the cassettes on the top and the cassettes on the bottom with an even growth for the plants Add a balanced amount of water.

Weiterbildungen und vorteilhafte Ausgestaltungen ergeben sich aus den Ansprüchen, der Beschreibung und der Zeichnung, die ein Ausführungsbeispiel der Erfindung veranschaulicht.Further developments and advantageous refinements result from the claims, the description and the drawing, which illustrates an exemplary embodiment of the invention.

In der Zeichnung zeigen:

Fig. 1
eine Lärmschutzwand nach der Erfindung im Längsschnitt,
Fig. 2
als Detail eine Draufsicht auf eine Cassette,
Fig. 3 - 6
Querschnitte durch eine Cassette in unterschiedlichen Ausgestaltungen,
Fig. 7
eine vergrößerte Darstellung eines Querschnitts durch die Cassette,
Fig. 8
eine perspektivische Ansicht der Lärmschutzwand, und
Fig. 9
einen Querschnitt durch eine Wässerungsmatte.
The drawing shows:
Fig. 1
a noise barrier according to the invention in longitudinal section,
Fig. 2
as a detail a top view of a cassette,
3 - 6
Cross sections through a cassette in different configurations,
Fig. 7
an enlarged view of a cross section through the cassette,
Fig. 8
a perspective view of the noise barrier, and
Fig. 9
a cross section through a watering mat.

Die in Fig. 1 dargestellte Lärmschutzwand 10 trägt den Aufbau mit einem Gerüst aus zwei Breitflanschträgern 20, die in Fundamenten 28 im Erdreich 26 eingelassen sind. Die Breitflanschträger 20 sind als Doppel-T-Profil ausgeführt und bilden somit U-förmige Haltenuten 22, in die Cassetten 14 von oben einführbar sind. Der Abstand der Breitflanschträger beträgt etwa 3,60 m und die Höhe der Cassetten 14 ist auf ca. 60 cm bemessen.The noise protection wall 10 shown in FIG. 1 carries the structure with a framework made of two wide flange beams 20 which are embedded in foundations 28 in the ground 26. The wide flange supports 20 are designed as double-T profiles and thus form U-shaped holding grooves 22 into which cassettes 14 can be inserted from above. The distance between the wide flange supports is approximately 3.60 m and the height of the cassettes 14 is approximately 60 cm.

Oberhalb der oberen Cassette 14 befindet sich eine Tröpfchenbewässerung 24, die der Lärmschutzwand 10 über seine obere Cassette 14 Wasser zuführt. Das zugeführte Wasser wird teilweise den auf der Oberfläche der Cassetten 14 wachsenden Pflanzen zugeführt und der überschüssige Teil gelangt zu der darunterliegenden Cassette 14, wobei diese ihrerseits den überschüssigen Teil an die darunterliegenden Cassetten 14 abgibt. Der restliche Teil wird schließlich von der unteren Cassette 14 aufgenommen und den dort wachsenden Pflanzen zugeführt.Above the upper cassette 14 is a drip irrigation system 24, which supplies the noise barrier 10 with water via its upper cassette 14. The supplied water is partly supplied to the plants growing on the surface of the cassettes 14 and the excess part reaches the cassette 14 underneath, which in turn releases the excess part to the cassettes 14 below. The remaining part is finally taken up by the lower cassette 14 and fed to the plants growing there.

Um eine gleichmäßige Verteilung des nach unten sinkenden Wassers zu erhalten, sind Wässerungsmatten 30 vorgesehen, welche als Sperre dienen und das überschüssige Wasser zunächst speichern und dann langsam abgeben. Zur Regelung des Wasserbedarfs in Abhängigkeit der Vegetation sowie der Umgebungstemperatur und Luftfeuchtigkeit dient ein in einem Blindfeld 42 angeordneter Feuchtigkeitsfühler 44. Dieser steuert eine die Wasserzufuhr für die Tröpfchenbewässerung 24 beeinflussende Automatik. Es ist nicht erforderlich, Feuchtigkeitsfühler 44 in jeder der unteren Cassetten 14 anzuordnen. Vielmehr reicht es aus, dies in Abstand von mehreren 10 oder 100 m durchzuführen.In order to obtain a uniform distribution of the water sinking downwards, washing mats 30 are provided, which serve as a barrier and first store the excess water and then slowly release it. A moisture sensor 44 arranged in a blind field 42 serves to regulate the water requirement depending on the vegetation as well as the ambient temperature and air humidity. This controls an automatic system influencing the water supply for the droplet irrigation 24. It is not necessary to place moisture sensors 44 in each of the lower cassettes 14. Rather, it is sufficient to do this at a distance of several 10 or 100 m.

Fig. 2 zeigt eine Draufsicht auf einen Ausschnitt der Cassette 14. Dabei ist ein Drahtgitter 16 erkennbar, das als Trag- und Schutzgestell dient. Es ist möglich, das Trag- und Schutzgestell vollständig als Drahtgitter auszubilden oder auch die waagerechten Abschlußseiten durch ein Lochblech auszuführen.Fig. 2 shows a plan view of a section of the cassette 14. A wire mesh 16 can be seen, which serves as a support and protective frame. It is possible to completely design the supporting and protective frame as a wire mesh or to carry out the horizontal end sides through a perforated plate.

Hinter dem Drahtgitter befindet sich hygroskopische Steinwolle 12 in Form von Steinwollmatten, vorzugsweise der Größe 60 mal 90 cm. Diese Steinwollmatten bilden ein Nährmedium für die Pflanzen, mit denen die Cassetten bewachsen sind. Die Steinwolle enthält dabei Dünger, Nährstoffe und dient ferner als Transport für das extern zugeführte Wasser. Außerdem bietet die Steinwolle einen Halt für die Wurzeln der Pflanzen. Schließlich bewirkt die Steinwolle auch eine Schalldämmung.Hygroscopic rock wool 12 in the form of rock wool mats, preferably 60 by 90 cm in size, is located behind the wire mesh. These rock wool mats form a nutrient medium for the plants with which the cassettes are covered. The rock wool contains fertilizer, nutrients and also serves as transport for the externally supplied water. The rock wool also provides support for the roots of the plants. Finally, the rock wool also provides sound insulation.

Bei den in den Figuren 3, 4, 5 und 6 dargestellten Querschnitten durch die Lärmschutzwand 10 sind jeweils die obere Cassette 14 sowie ein Teil der darunterliegenden Cassette 14 abgebildet. Da es bei diesen unterschiedlichen Alternativen im wesentlichen auf die Darstellung der Wässerungsmatten ankommt, sind der Übersichtlichkeit wegen das Trag- und Schutzgestell 16 weggelassen.In the cross sections through the noise barrier 10 shown in FIGS. 3, 4, 5 and 6, the upper cassette 14 and part of the cassette 14 underneath are shown. Since the representation of the watering mats is essential for these different alternatives, the support and protective frame 16 are omitted for the sake of clarity.

Bei der in Fig. 3 dargestellten Version ist lediglich an einer waagerechten Randzone eine Wässerungsmatte 30 angeordnet. Dies ist die einfachste Ausgestaltung, die bewirkt, daß das über die Tröpfchenbewässerung 24 zugeführte Wasser jeweils in den Cassetten 14 zurückgehalten wird. Es wird dabei die Eigenschaft der Steinwollmatten 12 ausgenutzt, die Feuchtigkeitsverteilung wenigstens über einen Höhenunterschied von etwa 60 cm aufrechtzuerhalten. Bei der Montage der Cassetten 14 ist darauf zu achten, daß die Wässerungsmatten 30 einheitlich liegen.In the version shown in FIG. 3, a washing mat 30 is arranged only on a horizontal edge zone. This is the simplest embodiment, which causes the water supplied via the droplet irrigation 24 to be retained in the cassettes 14. The property of the rock wool mats 12 is used to maintain the moisture distribution at least over a height difference of about 60 cm. When assembling the cassettes 14, care must be taken that the washing mats 30 lie uniformly.

Bei der Ausgestaltung in Fig. 4 sind an beiden waagerechten Randzonen Wässerungsmatten 30 und 32 vorgesehen. Die beiden Wässerungsmatten können dabei etwa halb so dick ausgeführt werden, wie bei der Version in Fig. 3. Der Vorteil dieser Ausgestaltung liegt darin, daß bei der Montage keine besondere Aufmerksamkeit der richtigen Lage der Wässerungsmatten zuteil werden braucht.In the embodiment in FIG. 4, watering mats 30 and 32 are provided on both horizontal edge zones. The two watering mats can be made about half as thick as in the version in Fig. 3. The advantage of this embodiment is that no special attention to the correct position of the watering mats needs to be given during assembly.

Bei der Ausgestaltung in Fig. 5 ist zusätzlich auf der senkrechten, der mit Pflanzen 18 bewachsenen Seite gegenüberliegenden Seite eine senkrechte Bewässerungsmatte 31 angeordnet. Dadurch kann eine gleichmäßige Wasserabgabe an die Steinwolle 12 erfolgen, wodurch einerseits die Gefahr von Unter- und Überwässerung der Pflanzen vermieden wird und zum anderen auch ein gleichmäßiger ästhetischer Eindruck im Bewuchs entsteht und eine ebenfalls gleichmäßige Schallabsorption erreicht wird.In the configuration in FIG. 5, a vertical irrigation mat 31 is additionally arranged on the vertical side opposite the side covered with plants 18. As a result, a uniform water release to the rock wool 12 can take place, which on the one hand avoids the risk of under and over-watering of the plants and on the other hand also creates a uniform aesthetic impression in the vegetation and also achieves uniform sound absorption.

Auf der Rückseite der Wässerungsmatte 31 ist eine Wandplatte 34 angeordnet, die einen Schutz vor Verdunstung des gespeicherten Wassers und einen mechanischen Schutz bildet.On the back of the washing mat 31 there is a wall plate 34, which forms a protection against evaporation of the stored water and a mechanical protection.

Bei der in Fig. 6 dargestellten Version ist schließlich eine Wässerungsmatte 33 vorgesehen, die im Inneren der Steinwolle 12 angeordnet ist und dabei mäanderförmig verläuft. Diese Ausgestaltung schützt die Steinwolle gleichzeitig vor einem Zusammensacken, da sie nach Art einer Armierung wirkt. Ferner findet hier eine besonders gleichmäßige Bewässerung sämtlicher Bereiche der Steinwollmatten 12 statt. Besonders diese Lösung gestattet auch, Vorder- und Rückseite der Cassette 14 mit Pflanzen 18 zu versehen.Finally, in the version shown in FIG. 6, a watering mat 33 is provided, which is arranged in the interior of the rock wool 12 and runs in a meandering manner. This configuration protects the rock wool from sagging at the same time, since it acts like a reinforcement. Furthermore, a particularly uniform irrigation of all areas of the rock wool mats 12 takes place here. This solution in particular also allows plants 18 to be provided on the front and back of the cassette 14.

Fig. 7 zeigt einen Querschnitt durch eine Cassette 14 als vergrößerte Einzelheit. Gegenüber den vorbeschriebenen Zeichnungen ist hier die Anordnung der Drahtgitter 16 dargestellt, die die verhältnismäßig weichen und biegsamen Matten aus Steinwolle 12 sowie die Wässerungsmatten tragen und gegen äußere Einflüsse wie z.B. Sturm oder mechanische Einwirkungen schützen. Das Drahtgitter 16 ist jedoch so dimensioniert, daß ausreichend Platz für die Pflanzen 18 vorhanden ist, damit diese sich in ihrem Wachstum ausbreiten können.Fig. 7 shows a cross section through a cassette 14 as an enlarged detail. Compared to the previously described drawings, the arrangement of the wire mesh 16 is shown here, which carries the relatively soft and flexible mats made of rock wool 12 and the watering mats and protects them against external influences such as e.g. Protect storm or mechanical influences. However, the wire mesh 16 is dimensioned so that there is sufficient space for the plants 18 so that they can spread in their growth.

Bei der in Fig. 8 dargestellten perspektivischen Ansicht ist erkennbar, wie in den Breitflanschträgern 20 durch die Doppel-T-Trägerausführung auf beiden Seiten U-förmige Haltenuten 22 gebildet sind. Diese bilden eine Halterung und eine Führung beim Einlegen der Cassetten 14. Oberhalb der oberen Cassette 14 ist die Tröpfchenbewässerung 24 erkennbar.In the perspective view shown in Fig. 8 can be seen, as in the wide flange beams 20 are formed by the double-T support design U-shaped holding grooves 22 on both sides. These form a holder and a guide when inserting the cassettes 14. Above the upper cassette 14, the drip irrigation 24 can be seen.

In Fig. 9 ist schließlich eine Wässerungsmatte im Querschnitt dargestellt, wobei es sich um eine der Wässerungsmatten 30, 31, 32 oder 33 handeln kann. Die Wässerungsmatte 30 besitzt dabei eine mittlere Trägerschicht 36 aus mechanisch verfestigtem Polyester-Nadelvlies. Dabei besitzt sie wasserspeichernde und wasserabgebende Eigenschaften. Die Trägerschicht 36 ist etwa 4 mm dick und hat ein Raumgewicht von etwa 500 g/m². Auf der Unterseite der Trägerschicht 36 ist eine Poly-Propylen (PP)-Auflage in Form von Rippen 38 aufgenadelt, während auf der Oberseite eine durchgehende Auflage 40 angeordnet ist. Das Raumgewicht der aus der Trägerschicht 36 und der PP-Auflage 38, 40 gebildeten Wässerungsmatte beträgt etwa 800 bis 1000 g/m².Finally, a washing mat is shown in cross-section in FIG. 9, which may be one of the washing mats 30, 31, 32 or 33. The watering mat 30 has a central carrier layer 36 made of mechanically consolidated polyester needle fleece. It has water-storing and water-releasing properties. The carrier layer 36 is approximately 4 mm thick and has a density of approximately 500 g / m 2. A poly-propylene (PP) support in the form of ribs 38 is needled on the underside of the carrier layer 36, while a continuous support 40 is arranged on the top. The density of the washing mat formed from the carrier layer 36 and the PP pad 38, 40 is approximately 800 to 1000 g / m².

Claims (19)

  1. Noise barrier wall comprising a scaffold frame for holding and seating wall components, characterized in that the wall components are formed of cassettes (14) containing a nutrient medium (12), which cassettes are arranged one above another to form the wall height, that the cassettes (14) are precultivated and have a growth of lower and/or higher plants (18) and consist, as a complete building element, of a supporting and protective frame (16), in which are disposed the nutrient medium and also irrigation mats (30-33) which possess both water-storage and also water-discharging properties, and that a droplet irrigation system (24) is provided at the top on the noise barrier wall (10).
  2. Noise barrier wall according to Claim 1, characterized in that the irrigation mats (30) are disposed in a horizontal edge zone of the cassettes (14) and, where several cassettes (14) are stacked one above another, lie in the same direction, preferably at the bottom.
  3. Noise barrier wall according to Claim 1, characterized in that the irrigation mats (30, 32) are disposed in both horizontal edge zones of the cassettes (14).
  4. Noise barrier wall according to one of the preceding Claims 1 to 3, characterized in that the irrigation mats (31) are disposed on the vertical side of the cassettes (14), remote from the side having plant growth.
  5. Noise barrier wall according to one of the preceding Claims 1 to 3, characterized in that the irrigation mats (33) are disposed in the interior of the nutrient medium.
  6. Noise barrier wall according to one of the preceding Claims 1 to 5, characterized in that the nutrient medium is formed of rock wool mats (12) of hygroscopic rock wool.
  7. Noise barrier wall according to Claim 6, characterized in that the bulk density of the hygroscopic rock wool is approximately 100-170 kg/m³.
  8. Noise barrier wall according to Claim 6 or 7, characterized in that the rock wool mats are about 4 cm thick.
  9. Noise barrier wall according to one of the preceding Claims 1 to 5, characterized in that the nutrient medium is formed of a substrate.
  10. Noise barrier wall according to one of the preceding Claims 1 to 9, characterized in that the supporting and protective frame (16) is formed of a wire lattice.
  11. Noise barrier wall according to one of the preceding Claims 1 to 9, characterized in that the supporting and protective frame is formed of horizontal perforated metal sheets and a vertical wire lattice.
  12. Noise barrier wall according to one of the preceding Claims 1 to 11, characterized in that the front face or both faces of the cassette are precultivated and grown with plants.
  13. Noise barrier wall according to Claim 12, characterized in that the cassettes (14), which are cultivated and have plant growth only on the front face, are closed on the rear face by a wall plate (34).
  14. Noise barrier wall according to one of the preceding Claims 1 to 13, characterized in that the irrigation mats (30, 31, 32, 33) possess an intermediate support layer (36) of mechanically stabilized polyester needle fleece, the support layer (36) having water storing and water discharging properties.
  15. Noise barrier wall according to Claim 14, characterized in that the support layer (36) is approximately 4 mm thick and has a weight per unit area of approx. 500 g/m².
  16. Noise barrier wall according to Claim 14 or 15, characterized in that, on the lower face of the support layer (36), a polypropylene (PP) seating in the form of ribs (38) is needled on, polypropylene of a coarse fibre structure being used.
  17. Noise barrier wall according to Claim 16, characterized in that the weight per unit area of the irrigation mat (30), formed of the support layer (36) and the PP seating (38, 40), is approximately 800-1,000 g/m².
  18. Noise barrier wall according to one of the preceding Claims 1 to 17, characterized in that the cassettes (14) are introduced from above into U-shaped holding grooves (22) of broad-flanged beams (20) of a scaffold structure.
  19. Noise barrier wall according to one of the preceding Claims 1 to 18, characterized in that, in the lower region of the noise barrier wall (10), in individual, spaced-apart cassettes (14), a blank panel (42) is provided, which possesses a moisture sensor (44) for controlling an automatic device for influencing the water feed for the droplet irrigation system (24).
EP89102970A 1988-04-14 1989-02-21 Noise barrier wall Expired - Lifetime EP0337085B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89102970T ATE92560T1 (en) 1988-04-14 1989-02-21 NOISE PROTECTION WALL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3812394 1988-04-14
DE3812394A DE3812394A1 (en) 1988-04-14 1988-04-14 NOISE PROTECTION WALL

Publications (3)

Publication Number Publication Date
EP0337085A2 EP0337085A2 (en) 1989-10-18
EP0337085A3 EP0337085A3 (en) 1991-01-09
EP0337085B1 true EP0337085B1 (en) 1993-08-04

Family

ID=6351954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89102970A Expired - Lifetime EP0337085B1 (en) 1988-04-14 1989-02-21 Noise barrier wall

Country Status (3)

Country Link
EP (1) EP0337085B1 (en)
AT (1) ATE92560T1 (en)
DE (2) DE3812394A1 (en)

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WO2010025837A1 (en) 2008-08-25 2010-03-11 Helix Pflanzen Gmbh Greening module, equipment module, and cassette module for a modular construction for greening vertical or slanted walls

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US5361537A (en) * 1992-06-23 1994-11-08 Wolfgang Behrens Noise protection wall
DK0654103T3 (en) * 1992-08-03 1998-08-10 Rockwool Int Process for making a noise screen and noise screen
DE9305001U1 (en) * 1993-03-26 1993-09-23 Berlinische Landschaftsbau GmbH, 1000 Berlin VEGETATIVE NOISE PROTECTION WALL
DE59507090D1 (en) * 1994-10-13 1999-11-25 Wolfgang Behrens Hygroscopic rock wool mat
DE19517583A1 (en) * 1995-05-05 1996-11-07 Grundstuecks Verwaltung Frenze Compressed stacked straw wall with frame for reducing sound levels
DE19523406C1 (en) * 1995-06-28 1996-12-05 Wolfgang Behrens Element of vegetation consisting of several layers
DE19648105C2 (en) 1996-11-21 1999-07-15 Wolfgang Behrens Vegetation element
DE19648106C2 (en) * 1996-11-21 1999-07-01 Wolfgang Behrens Greening element and method for forming a greening
DE19652636B4 (en) * 1996-12-18 2005-02-24 Thomas Rothfuss Noise barrier made of wire baskets
DE19654049A1 (en) * 1996-12-23 1998-06-25 Wolfgang Behrens Vegetation element
DE19820591A1 (en) * 1998-05-08 1999-12-23 Karl Fischer Sight screen especially as climbing plant wall
DK200000379U3 (en) * 2000-12-15 2001-02-09 Pilebyg Aps sound barrier
FR2872382B1 (en) * 2004-06-30 2007-12-14 Soprema Sa MODULAR VEGETATION DEVICE FOR FACADES, WALLS OR THE LIKE
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CN112106563B (en) * 2020-09-21 2022-07-12 南京国豪生态环境工程有限公司 Afforestation view wall

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WO2010025837A1 (en) 2008-08-25 2010-03-11 Helix Pflanzen Gmbh Greening module, equipment module, and cassette module for a modular construction for greening vertical or slanted walls

Also Published As

Publication number Publication date
DE58905091D1 (en) 1993-09-09
EP0337085A2 (en) 1989-10-18
EP0337085A3 (en) 1991-01-09
DE3812394A1 (en) 1989-11-02
ATE92560T1 (en) 1993-08-15

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