EP2607554A1 - Wall element for a sound-proof wall - Google Patents
Wall element for a sound-proof wall Download PDFInfo
- Publication number
- EP2607554A1 EP2607554A1 EP12198588.1A EP12198588A EP2607554A1 EP 2607554 A1 EP2607554 A1 EP 2607554A1 EP 12198588 A EP12198588 A EP 12198588A EP 2607554 A1 EP2607554 A1 EP 2607554A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall element
- wall
- element according
- sound
- receiving
- 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
Links
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- 230000037431 insertion Effects 0.000 claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Images
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
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
Definitions
- the invention relates to a wall element for a noise protection wall, with a sound-relevant component and arranged on the sides of the sound-relevant component side parts which are connected to a Obergurt- and a lower chord, which extend horizontally above and below in the wall element.
- Noise barriers and individual wall elements that make up such noise barriers are known.
- Such noise barriers are deployed along railway lines or high traffic roads to absorb the noise emissions emanating therefrom and to improve the quality of life and living along such railways or roads.
- a generic wall element is for example from the EP 1 621 675 A1 known.
- the side parts which are also referred to as side covers, are formed as deep-drawn sheet metal parts with embossed stiffening knobs in the angular range of the flanges to obtain good static and dynamic properties.
- stiffening elements which may be designed as the side covers, in the interior of the wall element.
- the invention is based on the object in a generic element for a noise barrier in the simplest possible way the task To achieve particularly high rigidity, which prevents in particular a deformation of upper flange and lower flange in the end regions.
- a wall element for a noise barrier with a sound-relevant component and arranged on the sides of the sound-relevant component side parts, which are connected to a top flange and a bottom chord, which extend horizontally above and below in the wall elements is essential to the invention that the top chord and the bottom flange each have at least one receiving chamber in their ends and that at least one slide-in body is arranged in each receiving chamber.
- the side part is on the one hand connected to the drawer bodies, in particular coupled by fasteners, and on the other hand, the side part is also directly connected to the upper flange and the lower flange, in particular coupled by fasteners.
- the side part is also directly connected to the upper flange and the lower flange, in particular coupled by fasteners.
- the size or longitudinal extent of the insertion body can be made relatively small. This is based on the fact that it has been found in the context of the invention that the forces leading to twisting and deformation of the wall elements occur almost exclusively at the point of attachment of the straps to the side parts.
- the longitudinal extension of the slide-in body can therefore have less than 5%, in particular even less than 3% and particularly preferably even less than 1% of the longitudinal extent of the wall element.
- the upper flange and the lower flange each have a base profile, on each of which two hollow profiles are arranged, which form the receiving chambers.
- the hollow profiles form the side cheeks of the respective belt oriented parallel to one another in the outer region.
- the design of the upper and lower chords with such hollow profiles already leads to a particularly high rigidity of the upper and lower straps and thus the wall element.
- the receiving chambers preferably have a continuous ring in cross-section, ie that the "chamber" is formed without a lateral gap. In some cases, however, may also be an open shape of the chamber, ie favorable with lateral slots or openings.
- the two hollow profiles and the hollow profiles connecting base profile are preferably integrally formed as a top flange or bottom flange.
- the base profile is formed essentially in one plane, can thereby however, have beads, bends and depressions. In particular, can be formed with the base profile a detent or tongue and groove connection to an adjacent base profile of the possibly adjoining next wall element.
- an additional insert body is arranged between the hollow profiles, which supports the end portions of the mutually adjacent hollow profiles of each belt against each other.
- the insert body thus preferably represents a third element in addition to the two insertion bodies, which are used in each end region of the upper flange and the lower flange.
- the hollow profiles With the insert body, which is in particular in contact with the inside of the base profile, the hollow profiles are supported to one another, so that the hollow profiles and the receiving chambers formed therewith can not rotate with each other.
- the rigidity of the base profile of each belt at the end regions is improved by the insert body.
- the hollow profiles can not be moved to each other by this insert body.
- the stress acting from the center to the outside under load also prevents the tubes from drifting apart.
- the insert body may be particularly preferably formed cuboid.
- the insert body is preferably still connected to the side part, in particular coupled by fastening elements.
- the insertion body and the insert body are preferably designed as fittings with predetermined dimensions.
- the use of fitting pieces has the advantage that a relatively small gap between the surfaces of the drawer body or the insert body and thus reaching into contact surfaces of the hollow profiles is guaranteed. This also ensures that the insertion body are supported on at least two inner surfaces of the receiving chambers.
- the compound or the degree of twist at the ends of the upper and lower belt are limited by the existing gap.
- a screw is provided in the straps, in particular in the receiving chambers.
- the slide-in body are preferably so to the dimensions of Adjusting chamber adapted that the receiving chamber of the drawer body with the exception of the screw fully filled so that thereby the screw is stabilized and can not break apart.
- the insertion body and the insert body are formed from a solid material or a solid profile.
- the insertion body and the insert body are preferably formed of metal, in particular aluminum.
- the upper flange and the lower flange are made of aluminum.
- the drawer bodies may also be provided in each case at least one threaded bore, via which the coupling with the side parts of the wall element takes place in connection with bolts or other fasteners.
- the drawer body and the insert body may be connected to each other at the end faces of the respective belt via a connector part.
- a connector part is in particular a flat steel with high-strength properties used.
- the connector part can also be made of aluminum. This is easier and cheaper.
- the two slide-in body and arranged between the drawer insert body can be fixed in each case at a predetermined distance from each other. This also simplifies the assembly.
- the combination of the connector part with the drawer bodies and the insert bodies via screw connections also produces a high-strength connector structure. This is structurally simple and serves to produce relatively strong and at the same time releasable connections.
- the use of a screw also has the advantage that a certain adjustability of the drawer body and the insert body is ensured to the connector part.
- the upper flange and the lower flange are each equipped at their end faces with at least one longitudinally extending screw channel for a fastening means.
- the connector parts are fastened together with the side parts on the front side of the respective belt.
- the screw is preferably provided in the region of the hollow profile.
- the connector structures can be securely fastened in the screw channels. As a result, virtually no forces are introduced into the wall element via the side parts, which serve as the end cover. Twisting and possible permanent deformation of certain components of the sheath can be prevented.
- a screw channel is preferably provided in each hollow profile. These are parallel to each other.
- the essential construction of the wall element is aluminum.
- the connector parts and the fastening means in particular screws, are made of stainless steel.
- stainless steel and aluminum are well tolerated in electrochemical terms.
- the production of all aluminum elements is a possible, particularly cost-effective option.
- the sound-relevant component on a front wall and a rear wall, between which at least one sound-absorbing layer is arranged.
- the side parts are arranged on the sides of the front and rear wall.
- the wall element takes on a typical sound-absorbing construction in this form.
- the sound-relevant component is designed as a planar, rather sound-reflecting component.
- This can in particular be a transparent element.
- this transparent element is disc-shaped.
- this transparent element is made of polycarbonate, acrylic glass or real glass. Preferred thicknesses of the disc-like element are between 15 and 30 mm, in particular 20 mm.
- the receiving chambers each have a projecting portion between which a receiving area for receiving the sound-relevant component is formed.
- the top flange and the bottom flange each have at least one screw channel extending in the longitudinal direction of the belt for a fastening means on their end faces.
- These screw channels are preferably arranged in the interior of the receiving chambers.
- corresponding recesses are provided which take into account the presence of the screw channels. In many parts, however, the dimensions of the drawer body are such that they rest positively on the inner walls of the receiving chambers.
- the side parts on a profile with a receiving area for receiving the sound-absorbing component. Furthermore, two channels extending parallel to the sides of the receiving area are preferably provided in the side part. Overall, this results in a profile with a remote W or M-shaped cross-section, the individual areas have rectangular rather than triangular cross-sections.
- the side panels are then connected to posts. In particular, the side parts are inserted into the I-beam-like posts.
- the side panel insert body are preferably provided or available. These are preferably positioned in the channels extending to the right and left of the receiving area.
- These insert elements are with Screw connections connected to the drawer bodies.
- screw connections are preferably provided between the insert elements and the screw channels in the upper flange and lower flange.
- three thread-forming screws are provided, one of which connects the insert element with the screw in the upper flange and two more connects the insert element with the drawer bodies in the receiving chambers.
- two insertion elements are provided, which are each connected to the insertion bodies in the receiving chambers.
- the receiving chambers in the upper flange or lower flange are each assigned a channel on the outside on the side facing away from the sound-relevant component. This is preferably open at the top, so has a longitudinally extending slot. Overall, this channel is the further reinforcement and reinforcement of the upper belt and in particular but also for receiving seals or other components or other elements.
- the receiving chambers in the belt are preferably connected at their upper side by a base profile and also by a profile web. Together, the base profile, the profile web and parts of the receiving chambers form a rectangular profile in cross-section. In this case, the base profile preferably forms a continuous, flat profile element together with the upper sides of the receiving chambers.
- Another aspect of the invention is to provide a noise barrier to reduce noise emissions along traffic routes with vertically erected posts and between the posts arranged wall panels, which are characterized in that each wall panel has at least one, but preferably two, three or more wall elements of the type described above.
- the installation of noise barriers with wall elements according to the invention is particularly simple, since upper flange and lower flange have an increased strength in the region of the side parts arranged thereon.
- each wall panel 4, 5 may be formed from a single or a plurality of individual, superimposed wall elements 6, 7.
- Fig. 2 shows a detailed view of a wall element 6, wherein for the sake of simplicity, the side and the top flange 8 connected front and rear walls are not shown.
- the top flange 8 has a base profile 9, with the two sides of two hollow sections 10, 11 are connected, which form the side cheeks of the respective belt.
- the hollow sections 10, 11 have Receiving chambers 12, 13 for therein insertable body 14, 15, which are formed as fittings and abut with their surfaces almost gap-free on the inner surfaces of the hollow sections.
- an insert body 16 is provided which can be brought into abutment with the base profile 9 of the upper flange 8 and in the installed state between the hollow sections 10, 11 is arranged.
- the insert body 16 is also formed as a fitting piece, so that its end faces abut against the mutually facing outer surfaces of the mutually parallel hollow sections 10, 11 and thus the hollow profiles supported against each other.
- the slide-in body 14, 15 and the insert body 16 are connected to each other via a connector part 17, which is formed as a flat piece, whereby the insertion and insertion body are arranged stationary to each other. Together with the connector part 17, the insertion body 14, 15 and the insert body 16 form a compact and at the same time high-strength connector structure 18.
- the connector part 17 is located after the insertion or insertion of the insertion and insertion body directly on the front side of the upper flange 8 shown.
- the connector part 18 is connected with threaded bolts 19, 19 'with insertion and insertion body, which are provided with correspondingly corresponding threaded holes 20, 20'.
- a side member 21 laterally closing the respective wall element 6 is likewise fastened to the upper flange 8 via screw connections together with the connector part 17.
- the upper flange 8 in a corner region of a hollow section 10, 11 extending in Gurtlijnsplatz screw channels 22, 22 'on.
- the connection of the side part 21 with the top flange 8 takes place via fastening bolts, not shown.
- the wall element 6 is given increased rigidity, in particular in the region of the straps.
- the components used to form the wall element such as the front and rear wall, upper and lower flange and the side parts may have lower material thicknesses.
- the connection shown between upper flange 8 and side part 17 is also implemented between the side part 17 and the bottom flange of the wall element 6, not shown.
- FIG. 3 a second embodiment of a wall element according to the invention is shown.
- the sound-relevant component 23 formed here as a transparent element.
- the upper flange 8 is formed from two receiving chambers 12, 13 which project downwards and form the receiving area 24 between them.
- the two receiving chambers 12, 13 are connected in the upper region by a base profile 9 and a profile web 25. These form together with parts of the walls of the receiving chambers 12, 13 a stable, rectangular in cross section profile. This connection profile extends approximately in the upper half of the two receiving chambers 12, 13.
- the lower half of the receiving chambers 12, 13 forms the receiving area 24 between them.
- screw channels 22, 23 are provided in the upper area, which serve to receive fastening means and via which a connection of the side parts 21 with the upper flange 8 and the lower flange, not shown here.
- the upper flange 8 has two channels 26 on the outwardly directed side. These are open at the top and correspond in dimensions to those of the underlying receiving chambers 12, 13. These serve on the one hand for further stability and on the other hand for receiving seals or other components.
- the sound-relevant component 23 and the circuit between a seal 27 is inserted.
- the drawer body 14, 15 are inserted, which are adapted in large dimensions in dimensions to the dimensions of the receiving chambers 12, 13, so that they are inserted positively. In some areas, however, the drawer bodies 14, 15 are reduced in size and do not abut against the outer wall. This ensures in particular that a collision with the screw channels 22, 22 'does not take place.
- the side part 21 is formed in its profile such that there is a receiving area 28, in which the sound-relevant component 23 is inserted laterally. On both sides of the receiving area 28 extend channel-like profile areas 29, in the Insertion elements 30 can be used.
- insertion elements 30 are adapted in cross-section on three sides to the dimensions of the channel-like profile region 29 and therefore serve to stiffen and reinforce first of the channel-like profile region 29 and a total of the entire side part 21.
- a connection of the side part 21 with the upper flange 8 or the lower belt not shown here.
- a screw connection 31 is made through the insert element 30 into the screw channel 22 of the upper belt 8.
- each insert element 30 is connected by two screw connections 32 through the side part 21 to the insertion body 14, 15.
- the side part also has on the outside a recess 33 in the profile, in which a seal 34 is inserted.
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- 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)
Abstract
Description
Die Erfindung betrifft ein Wandelement für eine Lärmschutzwand, mit einem schall relevanten Bauteil und mit an den Seiten des schallrelevanten Bauteils angeordneten Seitenteilen, die mit einem Obergurt- und einem Untergurt verbunden sind, die sich horizontal oben und unten in dem Wandelement erstrecken.The invention relates to a wall element for a noise protection wall, with a sound-relevant component and arranged on the sides of the sound-relevant component side parts which are connected to a Obergurt- and a lower chord, which extend horizontally above and below in the wall element.
Lärmschutzwände und einzelne Wandelemente, aus denen solche Lärmschutzwände zusammengesetzt sind, sind bekannt. Derartige Lärmschutzwände werden beispielsweise entlang von Bahnstrecken oder Straßen mit hohem Verkehrsaufkommen aufgestellt, um die davon ausgehenden Schallemissionen zu absorbieren und die Wohn- und Lebensqualität entlang solcher Bahnstrecken oder Straßen zu verbessern.Noise barriers and individual wall elements that make up such noise barriers are known. Such noise barriers, for example, are deployed along railway lines or high traffic roads to absorb the noise emissions emanating therefrom and to improve the quality of life and living along such railways or roads.
Ein gattungsgemäßes Wandelement ist beispielsweise aus der
Der Erfindung liegt die Aufgabe zugrunde, bei einem gattungsgemäßen Element für eine Lärmschutzwand auf möglichst einfache Weise eine besonders hohe Steifigkeit zu erreichen, die insbesondere eine Verformung von Obergurt und Untergurt in den Endbereichen verhindert.The invention is based on the object in a generic element for a noise barrier in the simplest possible way the task To achieve particularly high rigidity, which prevents in particular a deformation of upper flange and lower flange in the end regions.
Die Lösung dieser Aufgabe erfolgt mit einem Wandelement mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.The solution of this object is achieved with a wall element having the features of claim 1. Advantageous developments of the invention are described in the subclaims.
Bei einem Wandelement für eine Lärmschutzwand mit einem schallrelevanten Bauteil und mit an den Seiten des schallrelevanten Bauteils angeordneten Seitenteilen, die mit einem Obergurt und einem Untergurt verbunden sind, die sich horizontal oben und unten in den Wandelementen erstrecken, ist erfindungswesentlich vorgesehen, dass der Obergurt und der Untergurt in ihren Enden jeweils wenigstens eine Aufnahmekammer aufweisen und dass in jeder Aufnahmekammer mindestens ein Einschubkörper angeordnet ist.In a wall element for a noise barrier with a sound-relevant component and arranged on the sides of the sound-relevant component side parts, which are connected to a top flange and a bottom chord, which extend horizontally above and below in the wall elements, is essential to the invention that the top chord and the bottom flange each have at least one receiving chamber in their ends and that at least one slide-in body is arranged in each receiving chamber.
Durch die erfindungsgemäß in den Aufnahmekammern des Obergurts und des Untergurts angeordneten Einschubkörper wird ein Großteil der auf die Verbindungsbereiche zwischen den Gurten und den Seitenteilen wirkenden Kräfte aufgenommen. Durch den Einschubkörper wird einer mögliche Verwindung bzw. Verdrehung der Endbereiche des jeweiligen Gurtes entgegengewirkt. Durch die erfindungsgemäße Lösung werden auch Flächenpressungen aufgenommen, da die Einschubkörper die Hohlprofile im Wesentlichen ausfüllen.As a result of the slide-in bodies arranged according to the invention in the receiving chambers of the upper belt and the lower belt, a large part of the forces acting on the connecting regions between the belts and the side parts are absorbed. By inserting a possible twisting or twisting of the end portions of the respective belt is counteracted. By the solution according to the invention also surface pressures are absorbed because the drawer body fill the hollow sections substantially.
In einer bevorzugten Ausgestaltung der Erfindung ist das Seitenteil einerseits mit den Einschubkörpern verbunden, insbesondere durch Befestigungselemente gekoppelt, und andererseits ist das Seitenteil auch direkt mit dem Obergurt und mit dem Untergurt verbunden, insbesondere durch Befestigungselemente gekoppelt. Dadurch wird eine besonders hohe Stabilität und Lagesicherheit der einzelnen Elemente zueinander erreicht. Neben der Möglichkeit der Kopplung der Einschubkörper in den Aufnahmekammern durch Befestigungselemente besteht auch die Möglichkeit, diese durch vorstehende Halter oder andere Elemente formschlüssig in Position zu halten. Die Einschubkörper füllen dabei bevorzugt die Aufnahmekammer derart aus, dass sie sich an zumindest zwei Innenflächen der Aufnahmekammern abstützen. Dadurch ist eine gute Verbindung und Kraftübertragung möglich. Im Verhältnis zur Gesamtlänge des Wandelements kann die Größe bzw. Längserstreckung der Einschubkörper vergleichsweise klein ausgebildet sein. Dies beruht darauf, dass im Rahmen der Erfindung festgestellt wurde, dass die zur Verwindung und Verformung der Wandelemente führenden Kräfte nahezu ausschließlich im Ansatzpunkt der Gurte an den Seitenteilen auftreten. Die Längserstreckung der Einschubkörper kann daher weniger als 5%, insbesondere sogar weniger als 3% und besonders bevorzugt sogar weniger als 1 % der Längenausdehnung des Wandelements aufweisen.In a preferred embodiment of the invention, the side part is on the one hand connected to the drawer bodies, in particular coupled by fasteners, and on the other hand, the side part is also directly connected to the upper flange and the lower flange, in particular coupled by fasteners. As a result, a particularly high stability and positional security of the individual elements to each other is achieved. In addition to the possibility of coupling the drawer body in the receiving chambers by fasteners there is also the possibility to hold them by protruding holder or other elements form-fitting in position. The slide-in body preferably fill the receiving chamber such that they are supported on at least two inner surfaces of the receiving chambers. As a result, a good connection and power transmission is possible. In relation to the total length of the wall element, the size or longitudinal extent of the insertion body can be made relatively small. This is based on the fact that it has been found in the context of the invention that the forces leading to twisting and deformation of the wall elements occur almost exclusively at the point of attachment of the straps to the side parts. The longitudinal extension of the slide-in body can therefore have less than 5%, in particular even less than 3% and particularly preferably even less than 1% of the longitudinal extent of the wall element.
Nach einer anderen Ausgestaltung der Erfindung ist vorgesehen, dass der Obergurt und der Untergurt jeweils ein Basisprofil aufweisen, an dem jeweils zwei Hohlprofile angeordnet sind, die die Aufnahmekammern ausbilden. Die Hohlprofile bilden die im Außenbereich parallel zueinander ausgerichteten Seitenwangen des jeweiligen Gurtes aus. Die Gestaltung der Ober- und Untergurte mit solchen Hohlprofilen führt bereits zu einer besonders hohen Steifigkeit der Obergurte und der Untergurte und damit des Wandelements. Durch die an den Stirnseiten des Obergurts und des Untergurts in die von den Hohlprofilen gebildeten Aufnahmekammern eingeschobenen Einschubkörper wird die Stabilität des Obergurts und des Untergurts deutlich verstärkt, wodurch gleichzeitig die Belastung der Verbindung zwischen dem jeweiligen Gurt und dem daran befestigten Seitenteil abnimmt. Die Aufnahmekammern können dabei einen beliebigen Querschnitt aufweisen, wobei eine etwa rechteckige Form bevorzugt wird. Bevorzugt weisen die Aufnahmekammern im Querschnitt einen ununterbrochenen Ring aus, d.h. dass die "Kammer" ohne seitliche Spalte ausgebildet ist. In einigen Fällen kann jedoch auch eine offene Form der Kammer, d.h. mit seitlichen Schlitzen oder Öffnungen günstig sein. Die beiden Hohlprofile und das die Hohlprofile verbindende Basisprofil sind dabei bevorzugt einstückig als ein Obergurt oder Untergurt ausgebildet. Das Basisprofil ist dabei im Wesentlichen in einer Ebene ausgebildet, kann dabei jedoch Sicken, Abwinkelungen und Vertiefungen aufweisen. Insbesondere kann mit dem Basisprofil eine Rast- oder Nut-Feder-Verbindung zu einem benachbarten Basisprofil des eventuell daran anschließenden nächsten Wandelements ausgebildet sein.According to another embodiment of the invention, it is provided that the upper flange and the lower flange each have a base profile, on each of which two hollow profiles are arranged, which form the receiving chambers. The hollow profiles form the side cheeks of the respective belt oriented parallel to one another in the outer region. The design of the upper and lower chords with such hollow profiles already leads to a particularly high rigidity of the upper and lower straps and thus the wall element. By the inserted at the end faces of the upper belt and the lower belt in the receiving chambers formed by the hollow receiving body, the stability of the upper and lower belt is significantly increased, whereby at the same time decreases the load on the connection between the respective belt and the attached side part. The receiving chambers may have any cross-section, with an approximately rectangular shape is preferred. The receiving chambers preferably have a continuous ring in cross-section, ie that the "chamber" is formed without a lateral gap. In some cases, however, may also be an open shape of the chamber, ie favorable with lateral slots or openings. The two hollow profiles and the hollow profiles connecting base profile are preferably integrally formed as a top flange or bottom flange. The base profile is formed essentially in one plane, can thereby however, have beads, bends and depressions. In particular, can be formed with the base profile a detent or tongue and groove connection to an adjacent base profile of the possibly adjoining next wall element.
Bevorzugt ist zwischen den Hohlprofilen ein zusätzlicher Einlegekörper angeordnet, der die Endabschnitte der zueinander benachbarten Hohlprofile jedes Gurtes gegeneinander abstützt. Der Einlegekörper stellt dabei also bevorzugt ein drittes Element neben den beiden Einschubkörpern dar, die in jedem Endbereich des Obergurtes und des Untergurtes eingesetzt werden. Mit dem Einlegekörper, der insbesondere mit der Innenseite des Basisprofils in Kontakt steht, werden die Hohlprofile zueinander abgestützt, so dass die Hohlprofile und die damit ausgebildeten Aufnahmekammern sich nicht zueinander verdrehen können. Durch den Einlegekörper wird insbesondere die Steifigkeit des Basisprofils jedes Gurtes an den Endbereichen verbessert. Die Hohlprofile können durch diesen Einlegekörper auch nicht zueinander bewegt werden. Die bei Belastung von der Mitte nach außen wirkende Spannung verhindert auch ein Auseinanderdriften der Rohre. Der Einlegekörper kann besonders bevorzugt quaderförmig ausgebildet sein. Auch der Einlegekörper ist bevorzugt noch mit dem Seitenteil verbunden, insbesondere durch Befestigungselemente gekoppelt.Preferably, an additional insert body is arranged between the hollow profiles, which supports the end portions of the mutually adjacent hollow profiles of each belt against each other. The insert body thus preferably represents a third element in addition to the two insertion bodies, which are used in each end region of the upper flange and the lower flange. With the insert body, which is in particular in contact with the inside of the base profile, the hollow profiles are supported to one another, so that the hollow profiles and the receiving chambers formed therewith can not rotate with each other. In particular, the rigidity of the base profile of each belt at the end regions is improved by the insert body. The hollow profiles can not be moved to each other by this insert body. The stress acting from the center to the outside under load also prevents the tubes from drifting apart. The insert body may be particularly preferably formed cuboid. Also, the insert body is preferably still connected to the side part, in particular coupled by fastening elements.
Die Einschubkörper und der Einlegekörper sind bevorzugt als Passstücke mit vorgegebenen Abmessungen ausgebildet. Der Einsatz von Passstücken hat den Vorteil, dass ein relativ geringes Spaltmaß zwischen den Oberflächen der Einschubkörper bzw. der Einlegekörper und den damit in Berührung gelangenden Kontaktflächen der Hohlprofile gewährleistet ist. Auch dadurch wird erreicht, dass die Einschubkörper sich an mindestens zwei Innenflächen der Aufnahmekammern abstützen. Die Verbindung bzw. das Maß der Verdrehung an den Enden des Obergurts und des Untergurts werden durch das vorhandene Spaltmaß begrenzt. Bevorzugt ist in den Gurten, insbesondere in den Aufnahmekammern, ein Schraubkanal vorgesehen. Die Einschubkörper sind bevorzugt derart an die Abmessungen der Aufnahmekammer angepasst, dass die Aufnahmekammer von dem Einschubkörper mit Ausnahme des Schraubkanals voll ausgefüllt, so dass dadurch der Schraubkanal stabilisiert ist und nicht auseinander brechen kann.The insertion body and the insert body are preferably designed as fittings with predetermined dimensions. The use of fitting pieces has the advantage that a relatively small gap between the surfaces of the drawer body or the insert body and thus reaching into contact surfaces of the hollow profiles is guaranteed. This also ensures that the insertion body are supported on at least two inner surfaces of the receiving chambers. The compound or the degree of twist at the ends of the upper and lower belt are limited by the existing gap. Preferably, a screw is provided in the straps, in particular in the receiving chambers. The slide-in body are preferably so to the dimensions of Adjusting chamber adapted that the receiving chamber of the drawer body with the exception of the screw fully filled so that thereby the screw is stabilized and can not break apart.
Eine andere Weiterbildung der Erfindung sieht vor, dass die Einschubkörper und die Einlegekörper aus einem Vollmaterial bzw. einem Vollprofil ausgebildet sind. Dadurch wird eine besonders hohe Festigkeit bei möglichen, von außen auf das Wandelement und damit auf die Gurte einwirkenden Kräften erreicht. Die Einschubkörper und die Einlegekörper sind dabei bevorzugt aus Metall, insbesondere Aluminium ausgebildet. Bevorzugt sind auch der Obergurt und der Untergurt aus Aluminium ausgebildet. In dem aus einem Vollmaterial ausgebildeten Einlegekörper oder den Einschubkörpern kann jeweils auch mindestens eine Gewindebohrung vorgesehen sein, über die in Verbindung mit Schraubbolzen oder anderen Befestigungselementen die Kopplung mit den Seitenteilen des Wandelements erfolgt.Another development of the invention provides that the insertion body and the insert body are formed from a solid material or a solid profile. As a result, a particularly high strength is achieved with possible, externally acting on the wall element and thus on the straps forces. The insertion body and the insert body are preferably formed of metal, in particular aluminum. Preferably, the upper flange and the lower flange are made of aluminum. In the trained from a solid material insert body or the drawer bodies may also be provided in each case at least one threaded bore, via which the coupling with the side parts of the wall element takes place in connection with bolts or other fasteners.
Darüber hinaus können die Einschubkörper und die Einlegekörper an den Stirnseiten des jeweiligen Gurtes über ein Verbinderteil miteinander verbunden sein. Dadurch wird eine besonders einfache Möglichkeit geschaffen, die an den Endbereichen der Gurte in die Aufnahmekammern der Hohlprofile einzuschiebenden oder einzulegenden Einschubkörper und Einlegekörper miteinander zu verbinden. Dadurch wird eine erhöhte Festigkeit im Endbereich des jeweiligen Gurtes erzielt. Als Verbinderteil kommt insbesondere ein Flachstahl mit hochfesten Eigenschaften zur Anwendung. Das Verbinderteil kann auch aus Aluminium hergestellt werden. Dies ist leichter und günstiger. An diesen können die zwei Einschubkörper und der zwischen den Einschubkörpern angeordnete Einlegekörper jeweils im vorgegebenen Abstand zueinander befestigt sein. Dadurch lässt sich auch die Montage vereinfachen. Durch die Kombination des Verbinderteils mit den Einschubkörpern und den Einlegekörpern über Schraubverbindungen wird zudem eine hochfeste Verbinderstruktur hergestellt. Diese ist konstruktiv einfach und dient der Herstellung von relativ festen und zugleich wieder lösbaren Verbindungen. Die Verwendung einer Schraubverbindung hat zudem den Vorteil, dass eine gewisse Einstellbarkeit der Einschubkörper und des Einlegekörpers zum Verbinderteil gewährleistet ist.In addition, the drawer body and the insert body may be connected to each other at the end faces of the respective belt via a connector part. As a result, a particularly simple possibility is created to connect to the end regions of the straps in the receiving chambers of the hollow sections to be inserted or inserted drawer body and insert body together. As a result, an increased strength is achieved in the end region of the respective belt. As a connector part is in particular a flat steel with high-strength properties used. The connector part can also be made of aluminum. This is easier and cheaper. At this, the two slide-in body and arranged between the drawer insert body can be fixed in each case at a predetermined distance from each other. This also simplifies the assembly. The combination of the connector part with the drawer bodies and the insert bodies via screw connections also produces a high-strength connector structure. This is structurally simple and serves to produce relatively strong and at the same time releasable connections. The use of a screw also has the advantage that a certain adjustability of the drawer body and the insert body is ensured to the connector part.
Nach einer anderen Weiterbildung der Erfindung ist vorgesehen, dass der Obergurt und der Untergurt an ihren Stirnseiten jeweils mit wenigstens einem sich in Längsrichtung erstreckenden Schraubkanal für ein Befestigungsmittel ausgerüstet sind. Mit dem Befestigungsmittel sind die Verbinderteile zusammen mit den Seitenteilen an der Stirnseite des jeweiligen Gurtes befestigt. Der Schraubkanal ist bevorzugt im Bereich des Hohlprofils vorgesehen. Mit Hilfe von Befestigungsmitteln lassen sich die Verbinderstrukturen in den Schraubkanälen sicher befestigen. Dadurch werden über die Seitenteile, die als Enddeckel dienen, nahezu keine Kräfte mehr in das Wandelement eingeleitet. Verwindungen und mögliche dauerhafte Verformungen an bestimmten Bestandteilen der Ummantelung können dadurch verhindert werden. Dabei ist bevorzugt in jedem Hohlprofil ein Schraubkanal vorgesehen. Diese verlaufen dadurch parallel zueinander. Bevorzugt besteht die wesentliche Konstruktion des Wandelements aus Aluminium. Im Rahmen dieser zusätzlichen Verstärkung sind die Verbinderteile und die Befestigungsmittel, insbesondere Schrauben, aus Edelstahl hergestellt. Dadurch gibt es keine Korrosionselemente, da Edelstahl und Aluminium in elektrochemischer Hinsicht gut verträglich sind. Bei Verwendung von Edelstahlschrauben und dem Verbinderteil aus Edelstahl kommt es auch nur zu geringen Flächenpressungen. Auch die Herstellung sämtlicher Elemente aus Aluminium ist eine mögliche, besonders kostengünstige Option.According to another embodiment of the invention, it is provided that the upper flange and the lower flange are each equipped at their end faces with at least one longitudinally extending screw channel for a fastening means. With the fastening means, the connector parts are fastened together with the side parts on the front side of the respective belt. The screw is preferably provided in the region of the hollow profile. With the help of fasteners, the connector structures can be securely fastened in the screw channels. As a result, virtually no forces are introduced into the wall element via the side parts, which serve as the end cover. Twisting and possible permanent deformation of certain components of the sheath can be prevented. In this case, a screw channel is preferably provided in each hollow profile. These are parallel to each other. Preferably, the essential construction of the wall element is aluminum. As part of this additional reinforcement, the connector parts and the fastening means, in particular screws, are made of stainless steel. As a result, there are no corrosion elements, since stainless steel and aluminum are well tolerated in electrochemical terms. When using stainless steel screws and the connector part made of stainless steel, it comes only to low surface pressures. Also, the production of all aluminum elements is a possible, particularly cost-effective option.
In einer bevorzugten Ausführungsform weist das schallrelevante Bauteil eine Vorderwand und eine Rückwand auf, zwischen denen wenigstens eine schallabsorbierende Lage angeordnet ist. Dabei sind an den Seiten der Vorder- und Rückwand die Seitenteile angeordnet. Das Wandelement nimmt in dieser Form eine typische schallabsorbierende Konstruktion auf. In einer anderen bevorzugten Ausgestaltung ist das schallrelevante Bauteil als flächiges, eher schallreflektierendes Bauteil ausgebildet. Dies kann insbesondere ein transparentes Element sein. Insbesondere ist dieses transparente Element scheibenartig ausgebildet. In einer bevorzugten Ausgestaltung wird dieses transparente Element aus Polycarbonat, Acrylglas oder Echtglas hergestellt. Bevorzugte Stärken des scheibenartigen Elements liegen zwischen 15 und 30mm, insbesondere bei 20mm.In a preferred embodiment, the sound-relevant component on a front wall and a rear wall, between which at least one sound-absorbing layer is arranged. In this case, the side parts are arranged on the sides of the front and rear wall. The wall element takes on a typical sound-absorbing construction in this form. In another preferred embodiment, the sound-relevant component is designed as a planar, rather sound-reflecting component. This can in particular be a transparent element. In particular, this transparent element is disc-shaped. In a preferred embodiment, this transparent element is made of polycarbonate, acrylic glass or real glass. Preferred thicknesses of the disc-like element are between 15 and 30 mm, in particular 20 mm.
In einer bevorzugten Ausgestaltung der Erfindung weisen die Aufnahmekammern jeweils einen vorkragenden Abschnitt auf, zwischen denen ein Aufnahmebereich zur Aufnahme des schallrelevanten Bauteils ausgebildet ist.In a preferred embodiment of the invention, the receiving chambers each have a projecting portion between which a receiving area for receiving the sound-relevant component is formed.
Bevorzugt weisen der Obergurt und der Untergurt an ihren Stirnseiten jeweils wenigstens einen sich in Gurtlängsrichtung erstreckenden Schraubkanal für ein Befestigungsmittel auf. Diese Schraubkanäle sind dabei bevorzugt im Inneren der Aufnahmekammern angeordnet. In den Einschubkörpern sind entsprechende Ausnehmungen vorgesehen, die das Vorhandensein der Schraubkanäle berücksichtigen. In weiten Teilen sind die Abmessungen der Einschubkörper jedoch so, dass diese formschlüssig an den Innenwänden der Aufnahmekammern anliegen.Preferably, the top flange and the bottom flange each have at least one screw channel extending in the longitudinal direction of the belt for a fastening means on their end faces. These screw channels are preferably arranged in the interior of the receiving chambers. In the drawer bodies corresponding recesses are provided which take into account the presence of the screw channels. In many parts, however, the dimensions of the drawer body are such that they rest positively on the inner walls of the receiving chambers.
In einer anderen bevorzugten Ausgestaltung der Erfindung weisen die Seitenteile ein Profil mit einem Aufnahmebereich zur Aufnahme des schallabsorbierenden Bauteils auf. Weiterhin sind in dem Seitenteil bevorzugt zwei sich an den Seiten des Aufnahmebereichs parallel erstreckende Kanäle vorgesehen. Insgesamt ergibt sich damit ein Profil mit einem entfernt W- oder M-förmigen Querschnitt, wobei die einzelnen Bereiche eher rechteckige als dreieckige Querschnitte aufweisen. Die Seitenteile werden dann mit Pfosten verbunden. Insbesondere werden die Seitenteile in die I-trägerartigen Pfosten eingeschoben.In another preferred embodiment of the invention, the side parts on a profile with a receiving area for receiving the sound-absorbing component. Furthermore, two channels extending parallel to the sides of the receiving area are preferably provided in the side part. Overall, this results in a profile with a remote W or M-shaped cross-section, the individual areas have rectangular rather than triangular cross-sections. The side panels are then connected to posts. In particular, the side parts are inserted into the I-beam-like posts.
In dem Seitenteil sind bevorzugt Einlegekörper vorgesehen oder vorhanden. Diese sind bevorzugt in den Kanälen positioniert, die sich rechts und links vom Aufnahmebereich erstrecken. Diese Einlegeelemente werden mit Schraubverbindungen mit den Einschubkörpern verbunden. Weiterhin sind bevorzugt Schraubverbindungen zwischen den Einlegeelementen und den Schraubkanälen im Obergurt und Untergurt vorgesehen. In einer besonders bevorzugten Ausgestaltung sind insbesondere drei gewindefurchende Schrauben vorgesehen, von denen eine das Einlegeelement mit dem Schraubkanal im Obergurt verbindet und zwei weitere das Einlegeelement mit den Einschubkörpern in den Aufnahmekammern verbindet. Dabei sind jeweils zwei Einlegeelemente vorgesehen, die jeweils mit den Einschubkörpern in den Aufnahmekammern verbunden sind.In the side panel insert body are preferably provided or available. These are preferably positioned in the channels extending to the right and left of the receiving area. These insert elements are with Screw connections connected to the drawer bodies. Furthermore, screw connections are preferably provided between the insert elements and the screw channels in the upper flange and lower flange. In a particularly preferred embodiment, in particular three thread-forming screws are provided, one of which connects the insert element with the screw in the upper flange and two more connects the insert element with the drawer bodies in the receiving chambers. In each case, two insertion elements are provided, which are each connected to the insertion bodies in the receiving chambers.
In einer anderen bevorzugten Ausgestaltung der Erfindung ist den Aufnahmekammern im Obergurt bzw. Untergurt außenseitig auf der dem schallrelevanten Bauteil abgewandten Seite jeweils ein Kanal zugeordnet. Dieser ist bevorzugt nach oben offen, weist also einen sich in Längsrichtung erstreckenden Schlitz auf. Insgesamt dient dieser Kanal der weiteren Versteifung und Verstärkung des Obergurts und insbesondere aber auch zur Aufnahme von Dichtungen oder anderen Bauteilen oder anderen Elementen. Die Aufnahmekammern in dem Gurt sind bevorzugt an ihrer Oberseite durch ein Basisprofil und auch durch einen Profilsteg verbunden. Gemeinsam bilden das Basisprofil, der Profilsteg und Teile der Aufnahmekammern ein im Querschnitt rechteckiges Profil aus. Dabei bildet das Basisprofil bevorzugt zusammen mit den Oberseiten der Aufnahmekammern ein durchgängiges, flächiges Profilelement aus.In another preferred embodiment of the invention, the receiving chambers in the upper flange or lower flange are each assigned a channel on the outside on the side facing away from the sound-relevant component. This is preferably open at the top, so has a longitudinally extending slot. Overall, this channel is the further reinforcement and reinforcement of the upper belt and in particular but also for receiving seals or other components or other elements. The receiving chambers in the belt are preferably connected at their upper side by a base profile and also by a profile web. Together, the base profile, the profile web and parts of the receiving chambers form a rectangular profile in cross-section. In this case, the base profile preferably forms a continuous, flat profile element together with the upper sides of the receiving chambers.
Es versteht sich, dass durch die erfindungsgemäß gewonnene Festigkeit und Stabilität des Wandelements es auch möglich ist, insbesondere die Obergurte und die Untergurte mit geringeren Wandstärken auszubilden, so dass dadurch insgesamt eine Materialersparnis und damit auch geringere Produktionskosten entstehen.It is understood that it is also possible by the inventively obtained strength and stability of the wall element, in particular the upper and lower straps form with lower wall thicknesses, thereby resulting in total material savings and thus lower production costs.
Ein weiterer Aspekt der Erfindung besteht in der Bereitstellung einer Lärmschutzwand zur Verringerung von Schallemissionen entlang von Verkehrswegen mit vertikal aufgestellten Pfosten und zwischen den Pfosten angeordneten Wandfeldern, die sich dadurch auszeichnen, dass jedes Wandfeld wenigstens ein, bevorzugt jedoch zwei, drei oder mehr Wandelemente der oben beschriebenen Art aufweist. Die Montage von Lärmschutzwänden mit erfindungsgemäßen Wandelementen ist besonders einfach, da Obergurt und Untergurt im Bereich der daran angeordneten Seitenteile eine erhöhte Festigkeit aufweisen.Another aspect of the invention is to provide a noise barrier to reduce noise emissions along traffic routes with vertically erected posts and between the posts arranged wall panels, which are characterized in that each wall panel has at least one, but preferably two, three or more wall elements of the type described above. The installation of noise barriers with wall elements according to the invention is particularly simple, since upper flange and lower flange have an increased strength in the region of the side parts arranged thereon.
Ein Ausführungsbeispiel der Erfindung, aus dem sich weitere erfinderische Merkmale ergeben, ist in der Zeichnung dargestellt. Es zeigen:
- Fig. 1:
- eine Ansicht einer sich aus erfindungsgemäßen Wandelementen zusammensetzenden Lärmschutzwand;
- Fig. 2:
- eine Ansicht einer ersten erfindungsgemäßen Verbinderstruktur an der Stirnseite eines Wand elementes in einer Explosionsdarstellung und
- Fig. 3:
- eine Ansicht einer zweiten erfindungsgemäßen Verbinderstruktur an der Stirnseite eines Wand elements in einer Explosionsdarstellung.
- Fig. 1:
- a view of a composed of wall elements according to the invention noise barrier;
- Fig. 2:
- a view of a first connector structure according to the invention on the end face of a wall element in an exploded view and
- 3:
- a view of a second connector structure according to the invention on the front side of a wall element in an exploded view.
Mit 1 ist eine Lärmschutzwand bezeichnet, die vertikal ausgerichtete Pfosten 2, 3 und jeweils zwischen den Pfosten angeordnete Wandfelder 4, 5 aufweist. Jedes Wandfeld 4, 5 kann dabei aus einem einzigen oder einer Vielzahl einzelner, übereinander angeordneter Wandelemente 6, 7 ausgebildet sein.1 with a noise barrier is called, the vertically aligned posts 2, 3 and each arranged between the
In
Claims (15)
dass der Obergurt (8) und der Untergurt an ihren Enden jeweils wenigstens eine Aufnahmekammer (12, 13) aufweisen,
dass in jeder Aufnahmekammer (12, 13) mindestens ein Einschubkörper (14, 15) angeordnet ist.Wall element for a noise protection wall, with a sound-relevant component and arranged on the sides of the sound-relevant component side parts (21) which are connected to a top flange (8) and a bottom chord, which is horizontally above and below in the wall element (6, 7) extend, characterized
that the upper belt (8) and the bottom chord each have at least at their ends, a receiving chamber (12, 13),
in that at least one slide-in body (14, 15) is arranged in each receiving chamber (12, 13).
dadurch gekennzeichnet,
dass jedes Wandfeld (4, 5) wenigstens ein Wandelement (6, 7) gemäß einem der vorhergehenden Ansprüche aufweist.Noise barrier wall for reducing the noise emission along traffic routes, with vertically erected posts (33) and wall panels (4, 5) arranged between the posts (33),
characterized,
in that each wall panel (4, 5) has at least one wall element (6, 7) according to one of the preceding claims.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE202011109530U DE202011109530U1 (en) | 2011-12-24 | 2011-12-24 | Wall element for a noise barrier |
DE201220003750 DE202012003750U1 (en) | 2012-04-13 | 2012-04-13 | Wall element for a noise barrier |
Publications (2)
Publication Number | Publication Date |
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EP2607554A1 true EP2607554A1 (en) | 2013-06-26 |
EP2607554B1 EP2607554B1 (en) | 2015-06-24 |
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EP12198588.1A Active EP2607554B1 (en) | 2011-12-24 | 2012-12-20 | Wall element for a sound-proof wall |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3581713A1 (en) | 2018-06-13 | 2019-12-18 | Sehnix GmbH | Noise-protection wall element |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1621675A1 (en) | 2004-07-29 | 2006-02-01 | Forster Metallbau Gesellschaft m.b.H. | Element for sound barrier |
EP1659222A1 (en) * | 2004-11-17 | 2006-05-24 | Gerd Heltriegel | Noise reduction element, noise reduction barrier and method for producing the noise reduction element |
JP2006283512A (en) * | 2005-04-05 | 2006-10-19 | Nippon Koki Kk | Soundproof wall |
KR20090016102A (en) * | 2007-08-10 | 2009-02-13 | 재단법인 포항산업과학연구원 | Noise-proof panel |
WO2010027123A2 (en) * | 2008-09-02 | 2010-03-11 | Joongang Gts Co., Ltd. | Frame for noise barrier enabling to adjust connection angle |
-
2012
- 2012-12-20 EP EP12198588.1A patent/EP2607554B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1621675A1 (en) | 2004-07-29 | 2006-02-01 | Forster Metallbau Gesellschaft m.b.H. | Element for sound barrier |
EP1659222A1 (en) * | 2004-11-17 | 2006-05-24 | Gerd Heltriegel | Noise reduction element, noise reduction barrier and method for producing the noise reduction element |
JP2006283512A (en) * | 2005-04-05 | 2006-10-19 | Nippon Koki Kk | Soundproof wall |
KR20090016102A (en) * | 2007-08-10 | 2009-02-13 | 재단법인 포항산업과학연구원 | Noise-proof panel |
WO2010027123A2 (en) * | 2008-09-02 | 2010-03-11 | Joongang Gts Co., Ltd. | Frame for noise barrier enabling to adjust connection angle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3581713A1 (en) | 2018-06-13 | 2019-12-18 | Sehnix GmbH | Noise-protection wall element |
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