EP0980933B1 - Ecological noise barrier wall - Google Patents

Abstract

The wall is constructed from modules, each with two parallel support walls (10,11) of different heights, connected by cross struts (14). The space (20) between the walls has a base unit (13) and is filled with bales of straw, pref. rye straw. The space is weather-proofed at the top by a roof unit (17), which slopes forward. Each module is supported by foundations (18), and there is a ventilation space between the ground and the lower face of the base unit. The space between the walls is sound-proofed by artificial bricks (19), etc.

Description

The present invention relates to a noise barrier device, composed of a plurality of noise protection modules with two spaced parallel walls, which by at least two cross struts to form a first space are kept at a distance, the first gap includes flooring and straw bales, preferably rye straw, is filled up, and being the noise protection modules carried by foundations embedded in the ground are.

Such a device is known from US 5,398,472.

Noise barrier devices of the type mentioned are preferably used in the prior art to protect street noise, such devices in the immediate vicinity high traffic roads are set up around the Reduce noise pollution in neighboring residential areas. The known noise barrier devices, however, depending on material used has the disadvantage that it is not either are very effective, can only be produced at high costs and / or are polluting in production and disposal.

DE 195 02 051 A1 describes a protective and delimiting wall known for landscaping, made from tree-like plants which is formed during growth in a particular Direction. The adhesions form one herbal unit in the manner of grid walls, being in one a sound absorption layer is arranged in the remaining space can be. This layer preferably consists of organic Bulk goods such as leaves, straw, tree bark and the like.

DE 195 17 583 A1 describes a noise barrier with a frame construction known in the pressed straw container as a noise protection material are piled up. The individual straw bales lie directly on a concrete foundation, which also the Frame construction bears.

The known noise barriers using organic material have so far been different in practice Unable to enforce difficulties. there play the previously mentioned factors effectiveness, cost as well as disposal also matter.

Against this background, it is an object of the present invention a noise barrier device of the aforementioned Specify the type that guarantees effective noise protection on the one hand and also inexpensive on the other can be produced.

This object is achieved by a device of the type mentioned Kind of solved when ventilating the straw bale from below a second, clear space between the earth and the Bottom of the floor device is provided, the second clear space through artificial stones or artificial stone elements is sealed soundproof.

On the one hand, this measure achieves that possibly Moisture that has penetrated laterally into the straw downwards can drip off and it is due to the ventilation of the straw bales achieved from below that the straw due to the greatest possible Evaporation of moisture is kept dry. on the other hand is by the use of artificial stones according to the invention in the second clear space there is a soundproof one Closure between the grown soil and the straw bales manufactured, which prevents noise directly through the second clear space and thus the noise barrier device circulates.

Preferred embodiments of the invention are the subject of Dependent claims.

According to a preferred embodiment of the invention The device is a roof device at the upper ends of the supporting walls provided that the space is waterproof upwards concludes. This prevents rainwater in particular get into the space and thus into the straw bales can, so that rotting of the straw of the straw bales is prevented. The support walls preferably have different Heights so that the roof device in one is not arranged at right angles to the retaining walls. Thereby is achieved that rainwater from one side of the Roof equipment flows off.

According to an important embodiment of the invention The device is at least one of the support walls as a lamella construction with a plurality of slats arranged at a distance executed in a plurality of pile devices in are anchored at a predetermined angle. This ensures that much of that comes from the noise source Sound waves directly into the absorption body, the straw bales, can be recorded and not distracted or reflected becomes. The angle of the slats can in particular be along a pile device provided from bottom to top becoming more pointed his. This creates a particularly effective absorption at different heights of the noise barrier device sound waves arriving at different angles.

The retaining walls, the floor equipment and the Roof device of the noise barrier device according to the invention are preferably made of wood. This ensures that in connection with the Straw bales only non-toxic, biological, in particular biodegradable and recyclable raw materials for Production of the noise barrier can be used.

A noise protection module of the noise barrier device according to the invention preferably has a height of about 3 m, a Length of about 5 m and a width of 75 cm to 110 cm, especially 75 cm. The modules are like this equipped that any large number of modules can be strung together laterally to form a noise barrier device to form any length. The height and the Width of the noise barrier device according to the invention are dimensioned so that effective noise protection is guaranteed.

Fig. 1

eine bevorzugte Ausführungsform eines Moduls der erfindungsgemäßen Lärmschutz-Vorrichtung in einer Querschnittsansicht;

Fig. 2

das in Fig. 1 dargestellte Modul in einer Frontalansicht;

Fig. 3

eine weitere bevorzugte Ausführungsform eines Moduls der erfindungsgemäßen Lärmschutzwand-Vorrichtung in einer Querschnittsansicht;

Fig. 4

eine strohverfüllte Ausführungsform eines Moduls der erfindungsgemäßen Lärmschutzwand-Vorrichtung in einer Querschnittsansicht mit beidseitiger Lamellenkonstruktion;

Fig. 5

das in Fig. 4 dargestellte Lärmschutzmodul als isometrische Ansicht; im Detail den Unterbau der Strohballen;

Fig. 6

eine weitere bevorzugte Ausführungsform eines Moduls mit dem schalldichten Abschluß zwischen Erdreich und den Strohballen.

The noise barrier device according to the invention is explained below with reference to a preferred embodiment, which is shown in the figures of the drawing. In it show:

Fig. 1

a preferred embodiment of a module of the noise protection device according to the invention in a cross-sectional view;

Fig. 2

the module shown in Figure 1 in a front view.

Fig. 3

a further preferred embodiment of a module of the noise barrier device according to the invention in a cross-sectional view;

Fig. 4

a straw-filled embodiment of a module of the noise barrier device according to the invention in a cross-sectional view with lamella construction on both sides;

Fig. 5

the noise protection module shown in Fig. 4 as an isometric view; in detail the base of the straw bale;

Fig. 6

a further preferred embodiment of a module with the soundproof seal between the soil and the straw bales.

In the invention shown in Figures 1 and 2 Modules 1 for a noise barrier device are a plurality of pile devices 10, which form a first support wall, in Distance parallel to a second plurality of pile devices 11 provided, the support beams 10 and 11th with the help of crossbar 12 and a floor beam 13, the forms a floor facility for receiving straw bales in Are kept at a distance. In the through the support walls 10 and 11th as well as the space 13 formed are conventional Straw bales of appropriate dimensions introduced that are not shown here for the sake of clarity, however, shown in Fig. 4 and designated by reference numeral 26 are.

Each module of the noise barrier device according to the invention has on at least one side cross struts 14 which the Stabilizing walls 10 and 11 and a side Prevent the straw bales from slipping out. Furthermore is on the pile devices 10 and 11 at least one cross strut 24 provided that prevents straw bales from moving forward or slide back out of the noise barrier. The pile facilities 10 and 11 have at their respective upper ends Crossbars 15 and 16 on which a roof device 17 is attached is due to the ingress of rainwater those stored between the pile devices 10 and 11 which are embedded in the soil 22. Between the Ground device 13 and soil 22 is a lights Space 20 provided through which ventilation of the provided between the pile devices 10 and 11 Bales of straw are ensured from below. The light one Gap 20 is in the middle by artificial stones or Artificial stone elements 19 soundproof.

In the side view of a module shown in Figure 1 a noise barrier device according to the invention is on an alternative construction of a Support wall 11 shown, in which a plurality of Slats 21 at a predetermined angle in the majority is anchored by pile devices 11. The slats have a sound-conducting effect in the direction of the straw bales too, so overall a particularly effective Soundproofing is achieved.

In the side view of a module shown in Figure 3 a noise barrier device according to the invention same components with the same reference numerals as in FIG. 1 Mistake. In contrast to that shown in Figure 1 Embodiment are the plurality of slats 21 here not at a fixed angle in the majority anchored by pile devices 11, but the slats 21 are arranged so that the angle of the slats 21 along a pile device from bottom to top is becoming more pointed. The slats 21 are included overall arranged so that from the middle of a street outgoing sound waves optimally towards the as Absorbent-acting straw bales are directed.

The module shown in FIGS. 1, 2, 4, 5 and 6 is a closure 19 represented by artificial stones or artificial stone elements, which the clear space 20 between soil and Seal the underside of the straw bales soundproof.

In the module shown in FIG. 4, the module is also on both sides Slat construction 21 to accommodate various Noise sources shown.

Due to the ecological construction proposed here the noise protection construction according to the invention in a further function used as a nesting or breeding habitat for endangered species become. It is therefore particularly preferred that in the noise protection construction specifically built in nesting or brooding aids or are integrated. Furthermore, due to the materials used and the possibility of recycling a largely energy-neutral production possible. It may be because of the environmentally friendly production method the service life is limited, but is within the scope of an overall calculation Repeated construction of such a noise barrier device possible. This makes the proposed noise barrier also as a job-creating and job-preserving product classified.

Will the noise barrier device according to the invention accordingly the preferred embodiment with a roof device, the described slat construction, the described second, clear space and a rear wall can be a effective protection against moisture as well as adequate ventilation be achieved so that a drenching of the straw bales excluded is.

Furthermore, one is not particularly preferred here Drawing shown embodiment, after which the straw bales at the end of each noise protection module or at transitions Close flush so that the straw bales open or break up is not necessary.

Furthermore, individual noise protection modules can be used for the purpose of optical loosening offset or with different heights be built.

Finally, it is particularly advantageous if between the straw bale 26 and the slats 21 no space is available, so that a Ignite the straw bale 26 on the open front by the slats 21 is difficult in that the flames due to their own buoyancy and the lack of chimney effect pull the straw bale 26 and the slats 21 past. this has showed up in fire resistance tests.

The exemplary embodiments of the invention explained above serve only for the purpose of better understanding the Teaching according to the invention, which as such is not limited by the embodiment.

Claims (12)

1. Noise-barrier facility, composed of a multiple number of sound-absorption modules (1) with two retaining walls (10, 11) arranged parallel to each other, which are kept at distance by at least two cross braces (12,14) forming a first cavity, with the first cavity containing a bottom base (13) and being filled up with bales of straw (26), preferably rye straw, and with the sound-absorption module (1) being mounted on foundations (18) embedded in the earth (22), characterized by the fact that a second clear cavity (20) between earth (22) and lower bottom base (13) has been left for airing the bales of straw (26) from below and the fact that the second, clear cavity (20) is sealed off soundproof by artificial stones (19) or by artificial stone members.
2. Facility in accordance with claim 1, characterized by the fact that the upper ends of the retaining walls (10, 11) are equipped with a roofing installation (17) which makes the first cavity watertight and seales it off from the top.
3. Facility in accordance with claim 2, characterized by the fact that the retaining walls (10, 11) are of differing heights allowing the roofing installation (17) to be arranged in a non-right angle against the retaining walls (10, 11).
4. Facility in accordance with any of the previous claims, characterized by the fact that at least one of the retaining walls (10, 11) is of lamellar design and has a multiple number of spaced lamellas (21) which are anchored at a given angle in a multiple number of pile installations (11).
5. Facility in accordance with claim 4, characterized by the fact that the angle of the lamellas (21) alongside a pile installation (11) is fixed as getting more acute from bottom to top or the angle of each and every individual lamella (21) can be adjusted and directed towards the source of noise.
6. Facility in accordance with claims 4 and 5, characterized by the fact that there is no cavity between the bales of straw (26) and the lamellas (21) so that any ignition of the bales of straw (26) at the open front side is impeded by the fact that the flames will bypass the bales of straw (26) and the lamellas (21) due to their own ascending force and to the missing stack effect.
7. Facility in accordance with one of the previous claims, characterized by the fact that the retaining walls (10, 11), the bottom base (13) and roofing installations (17) are mainly made of untreated wood.
8. Facility in accordance with any of the previous claims, characterized by the fact that each sound-absorption module (1) has a height of approximately 3 m, a length of some 5 m, and a width of between 75 to 110 cm, preferably 75 cm.
9. Facility in accordance with one of the previous claims, characterized by the fact that the entire noise-barrier facility is mainly made of natural and untreated raw materials and bio-degradable and recyclable materials.
10. Facility in accordance with claim 9, characterized by the fact that nesting and breeding places can be built in or integrated in selected places.
11. Facility in accordance with any of the previous claims, characterized by the fact that the bales of straw (26) are finished off flush at the end of each sound-absorption module (1) or at transitions, making any opening or cutting up of bales of straw (26) unnecessary.
12. Facility in accordance with claim 11, characterized by the fact that the individual sound-absorption modules (1) are arranged in a staggered fashion or built in different heights so as to make the structure architecturally more lively.

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