EP2397607A2 - Mobile low acoustic wall system for railway operating systems in the vicinity of residential areas - Google Patents
Mobile low acoustic wall system for railway operating systems in the vicinity of residential areas Download PDFInfo
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- EP2397607A2 EP2397607A2 EP20110002426 EP11002426A EP2397607A2 EP 2397607 A2 EP2397607 A2 EP 2397607A2 EP 20110002426 EP20110002426 EP 20110002426 EP 11002426 A EP11002426 A EP 11002426A EP 2397607 A2 EP2397607 A2 EP 2397607A2
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Classifications
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- 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
-
- 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
- E01F8/0011—Plank-like elements
Definitions
- the invention relates to a device that allows on the principle of sound attenuation due to their design features and the materials used to cancel the audible airborne sound energy generated at railway operating systems while driving by converting the same into non-audible vibrational energy waves as far as possible.
- This device is designed and equipped to meet all the requirements for an autodynamic function of the axiomatically known physical mechanisms of acoustics and thermodynamics in the area of an in-device granular bed, which leads to the absorption process of the sound energy.
- the combination of the device for sound absorption with the associated foundation device to a functional unit makes it possible to produce an unrivaled optimum of sound insulation in the areas of railway operating systems. (Page 1)
- the state of the art at present is all soundproofing devices that comply with the specifications of the EU noise protection guidelines for traffic routes, Edition 2009, including the specific technical specifications and safety-relevant guidelines of the European railway operators.
- the invention is defined and characterized in the main claim, while standing in connection with the main claim claims further indispensable Describe features of the invention.
- Purpose of the invention is to provide a low noise barrier, which is able to eliminate as much as possible in the so-called free field as well as the bridge structures produced by a sound source airborne sound, or to make it inaudible. This is possible because sound belongs to the group of dissipative dynamic systems.
- the free space of the absorption bar is filled with a highly porous, open-pored and non-erodible mineral granules in which the reduction and partial cancellation of the incoming sound energy inevitably takes place by the axiomatically known physical mechanisms.
- a reflector plate of extremely massive material which reflects the after penetration of the granules still arriving, significantly weakened residual sound energy back into the granules, resulting in a sound polarity polarity change. This then leads to a further additional reduction of the remaining volume of sound energy.
- the absorption beam has no natural oscillations due to its design features and storage in the bulkhead mounts when driving.
- the sound energy emitted by the sound source, rail and wheel is more than 95% due to the structural and constructive features of the low noise barrier to the expanded metal front of the same.
- the expanded metal and the granules stored behind reflect about 20% of the incident sound energy within the height range of the soundproofing wall back to the sound source, or to the ground and to the passing wagon surface.
- the penetrating sound energy is dissipated due to the known axiomatic physical mechanisms, or absorbed, so subjected to it due to the viscous friction in the hydrodynamic boundary layers of the same a nearly lossless thermal state change.
- the sound energy still arriving at the reflector plate is reflected by this almost to 100%. This creates sound from destructive interference, which partially extinguishes the sound still arriving in front of the reflector plate.
- the aforementioned physical mechanisms overlap each other.
- Rammpfahl 1.1, cantilever bracket plate 1.2 and cantilever bracket 1.4 are identical in construction as the staple support, except the cantilever Abb.:3 , 1 and the Z-shaped bracket profile
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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 bezieht sich auf eine Vorrichtung, die es nach dem Prinzip der Schalldämpfung auf Grund ihrer Konstruktionsmerkmale und der verwendeten Stoffe ermöglicht, die an Bahnbetriebsanlagen bei Fahrbetrieb erzeugte hörbare Luftschallenergie durch Umwandlung derselben in nicht hörbare Schwingungsenergiewellen weitestgehend aufzuheben. Diese Vorrichtung ist so konstruiert und ausgerüstet, dass sie alle Voraussetzungen für eine autodynamische Funktion der axiomatisch bekannten physikalischen Mechanismen der Akustik und Thermodynamik im Bereich einer in der Vorrichtung befindlichen Granulat-Schüttung, die zu dem Absorptionsprozess der Schallenergie führt, erfüllt. Die Verbindung der Vorrichtung zur Schallabsorption mit der zugehörigen Gründungs-Vorrichtung zu einer funktionalen Einheit macht es möglich, ein nicht zu übertreffendes Optimum an Schallschutz in den Bereichen von Bahnbetriebsanlagen herzustellen. (Blatt 1)The invention relates to a device that allows on the principle of sound attenuation due to their design features and the materials used to cancel the audible airborne sound energy generated at railway operating systems while driving by converting the same into non-audible vibrational energy waves as far as possible. This device is designed and equipped to meet all the requirements for an autodynamic function of the axiomatically known physical mechanisms of acoustics and thermodynamics in the area of an in-device granular bed, which leads to the absorption process of the sound energy. The combination of the device for sound absorption with the associated foundation device to a functional unit makes it possible to produce an unrivaled optimum of sound insulation in the areas of railway operating systems. (Page 1)
Bekannt ist, dass bloß ein geringer Teil der Schienenverkehrswege mit nur bedingt wirksamen hohen Schallschutzwänden ausgestattet ist. Diese hohen Schallschutzwände bieten jedoch besonders in Bereichen mehrgleisiger Schienenverkehrswege auf Grund ihrer Konstruktionsmängel keinen oder nur unzureichenden Schutz gegen den bei Fahrbetrieb entstehenden Luftschall, da sie diesen nicht absorbieren, sondern zum Großteil reflektieren. Ein wesentlicher Konstruktionsmangel besteht darin, dass die beiderseitige "Eintunnelung" der Schienenwege mit ca. 4-5 m hohen Schutzwänden auf Grund der Luftschallreflektion zwischen den Schutzwänden als "Resonanzkörper", ähnlich wie bei Streich- oder Zupf-Musikinstrumenten, wirkt. Das hat zur Folge, dass je nach der Materialbeschaffenheit und dem Seitenabstand der hohen Schallschutzwände zu den Schallquellen hin der durch Reflektionsschall erzeugte Luftschall redupliziert wird.It is known that only a small part of the railways is equipped with only partially effective high noise barriers. However, these high noise barriers offer especially in areas multi-track rail transport due to their design flaws no or only insufficient protection against the airborne noise generated during driving, as they do not absorb this, but reflect the majority. An essential lack of design is that the mutual "tunneling" of the railways with 4-5 m high protective walls due to the airborne sound reflection between the protective walls as "resonant body", similar to playing string or plucked musical instruments, acts. This has the consequence that, depending on the nature of the material and the lateral distance of the high soundproof walls to the sound sources, the airborne sound produced by reflection sound is reduplicated.
Die einseitige Schallabschirmung mit hohen Schallschutzwänden erfüllt auf Grund der großen Entfernung zwischen Schallquelle und Schutzwand zwar im direkten Nahbereich hinter der Schutzwand die in sie gesetzten schalltechnischen Anforderungen, jedoch nicht in den erweiterten Nah- und Fernbereichen. *( DB-seitig vorgegebener Mindest-Sicherheitsraum zwischen Gleisachse und Vorderkante Schutzwand beträgt 2500 mm )The one-sided soundproofing with high soundproof walls fulfills due to the large Distance between sound source and protective wall Although in the immediate vicinity behind the protective wall the sound requirements set in it, but not in the extended near and far areas. * (DB-prescribed minimum safety space between track axis and front edge of protective wall is 2500 mm)
Ein weiteres schwerwiegendes Manko der derzeit bestehenden hohen Schallschutzwände ist die hohe Schadensanfälligkeit, die durch klimatische und mechanische Einwirkungen, wie etwa Temperaturwechsel, Windkräfte, den bei Fahrbetrieb entstehenden Sog- und Druckverhältnissen sowie den durch die Schwingungsenergie des Schalls und den auf die Schallschutzwand vom Gleisbett her übertragenen Erschütterungen, zu einem Dauerstress in und an den Schutzwandmaterialien führt. Das Zusammenwirken dieser Einwirkungen löst in den für die Schutzwände verwendeten Materialien negative Kohäsions- und Adhäsions-Erscheinungen, also Materialermüdungen bis hin zur "Selbstzerstörung", aus. Dies ist an mehreren längeren Streckenabschnitten der DB nachweislich geschehen.Another serious shortcoming of the currently existing high noise protection walls is the high susceptibility to damage caused by climatic and mechanical effects, such as temperature changes, wind forces, the suction and pressure conditions arising during driving as well as the vibration energy of the sound and the noise barrier from the trackbed transmitted vibrations, leading to a continuous stress in and on the bulkhead materials. The interaction of these effects triggers in the materials used for the protective walls negative cohesion and adhesion phenomena, ie material fatigue to the point of "self-destruction" from. This has been demonstrably done on several longer stretches of the DB.
Die Anmelder der vorliegenden Erfindung haben auf Grund dieser und weiterer Erkenntnisse die in dieser Anmeldung beschriebene Erfindung erarbeitet, um die durch den Fahrbetrieb des Schienenverkehrs der Eisenbahnen verursachte Lärmbelästigung auf ein die Lebensqualität nicht mehr schädigendes Niveau zu senken, die vorgenannten mehr oder minder unsinnigen Schallschutzwandbauten, einschließlich deren Nachteile und Unzulänglichkeiten zu vermeiden und ein hochwirksames und in nahezu jede Umgebung zu integrierendes Schallhindernis zu schaffen.On the basis of these and other findings, the present inventors have devised the invention described in this application in order to reduce the noise pollution caused by the rail transport operations of the railways to a level which no longer detrimentally affects the quality of life, the aforementioned more or less insane soundproof wall structures, including their disadvantages and inadequacies to avoid and to create a highly effective and in almost any environment to be integrated sound barrier.
Stand der Technik sind zur Zeit alle Schallschutzvorrichtungen, die den Vorgaben der EU-Lärmschutz-Richtlinien für Verkehrswege, Edition 2009, entsprechen, einschließlich der spezifischen technischen Vorgaben und sicherheitsrelevanten Richtlinien der europäischen Eisenbahnbetreiber.The state of the art at present is all soundproofing devices that comply with the specifications of the EU noise protection guidelines for traffic routes, Edition 2009, including the specific technical specifications and safety-relevant guidelines of the European railway operators.
Die Erfindung wird im Hauptanspruch definiert und gekennzeichnet, während die im Zusammenhang mit dem Hauptanspruch stehenden Ansprüche weitere unabdingbare Merkmale der Erfindung beschreiben.The invention is defined and characterized in the main claim, while standing in connection with the main claim claims further indispensable Describe features of the invention.
Zweck der Erfindung ist es, ein niedriges Schallhindernis zu schaffen, das in der Lage ist, den im sogenannten Freifeld wie auch den an Brückenbauwerken von einer Schallquelle erzeugten Luftschall weitestgehend zu eliminieren, beziehungsweise unhörbar zu machen. Dies ist möglich, da Schall zu der Gruppe der dissipativen dynamischen Systeme gehört.Purpose of the invention is to provide a low noise barrier, which is able to eliminate as much as possible in the so-called free field as well as the bridge structures produced by a sound source airborne sound, or to make it inaudible. This is possible because sound belongs to the group of dissipative dynamic systems.
Auf Grund dieser Erkenntnis ist dies nur nach dem Prinzip der Schalldämpfung, also der Schallabsorption, bzw. Schalldissipation, im sogenannten Freifeld realisierbar. Daher musste eine Vorrichtung geschaffen werden, in der die axiomatisch bekannten physikalischen Mechanismen, nämlich die Schallabsorption, die Schalldissipation sowie die Schallreflexion, einschließlich der durch Erzeugung von destruktiven Interferenzen ausgelösten Schwächung der Schallenergie bei gegeneinander läufigen Schallwellen, einem Zwangsablauf unterzogen werden.On the basis of this knowledge, this can only be achieved in the so-called free field according to the principle of sound damping, ie sound absorption or sound dissipation. Therefore, a device had to be created in which the axiomatically known physical mechanisms, namely the sound absorption, the sound dissipation and the sound reflection, including the induced by the production of destructive interference attenuation of the sound energy in mutually incident sound waves, a forced course be subjected.
Dies wurde realisiert durch eine Vorrichtung, die im nachherein Absorptionsbalken genannt wird.This has been realized by a device which is called absorption beam in the aftermath.
Dieser Absorptionsbalken besteht aus einem U-Profil mit einem vorzugsweise quadratischen Querschnitt aus Metall, Kunststoff oder anderen verformbaren Stoffen, dessen Außenflächen völlig glatt sind. Die Innenflächen des U-Profils sind mit den für den Einbau des offenen Frontverschlusses aus Streckmetall oder gleichwertigen Material, sowie der rückwärtigen Reflektorplatte und den Endverschlüssen notwendigen Steg- und Hohl-Profilen ausgestattet. Die Enden des Absorptionsbalkens sind mit entsprechend geprägten deckelförmigen Endverschlüssen versehen. Die offene Frontseite des U-Profils besteht aus Streckmetall oder gleichwertigem Material, um eine möglichst große Aufnahmefläche für den ankommenden Luftschall zu erzielen. Die offene Oberfläche der Frontseitenabdeckung aus Streckmetall weist eine Durchlässigkeit von circa 75% bis 80% der Öffnungsfläche aus. Der Freiraum des Absorptionsbalkens ist mit einem hochporösen, offenporigen und unverrottbaren mineralischen Granulat gefüllt, in dem durch die axiomatisch bekannten physikalischen Mechanismen die Reduzierung und teilweise Aufhebung der ankommenden Schallenergie zwangsläufig stattfindet. Zwecks weiterer Reduktion der Schallenergie ist im Innenbereich des Absorptionsbalkens vor der Rückwand desselben eine Reflektorplatte aus extrem masseträgem Material installiert, welche die nach der Durchdringung des Granulates noch ankommende, erheblich geschwächte Rest-Schallenergie in das Granulat zurück reflektiert, wobei es zu einem schalltechnischen Polaritätswechsel kommt. Dies führt dann zu einer weiteren zusätzlichen Verminderung des noch vorhandenen Volumens an Schallenergie. Der Absorptionsbalken hat auf Grund seiner Konstruktionsmerkmale und Lagerung in den Schutzwandhalterungen bei Fahrbetrieb keinerlei Eigenschwingungen.This absorption beam consists of a U-profile with a preferably square cross section of metal, plastic or other deformable materials whose outer surfaces are completely smooth. The inside surfaces of the U-profile are equipped with the bar and hollow profiles necessary for the installation of the open front closure of expanded metal or equivalent, as well as the rear reflector plate and the end caps. The ends of the absorption beam are provided with corresponding embossed cover-shaped end closures. The open front of the U-profile is made of expanded metal or equivalent material to achieve the largest possible receiving surface for the incoming airborne sound. The open surface of the expanded metal front cover has a permeability of approximately 75% to 80% of the opening area. The free space of the absorption bar is filled with a highly porous, open-pored and non-erodible mineral granules in which the reduction and partial cancellation of the incoming sound energy inevitably takes place by the axiomatically known physical mechanisms. For further reduction of the sound energy is indoors of the absorption beam in front of the rear wall of the same installed a reflector plate of extremely massive material, which reflects the after penetration of the granules still arriving, significantly weakened residual sound energy back into the granules, resulting in a sound polarity polarity change. This then leads to a further additional reduction of the remaining volume of sound energy. The absorption beam has no natural oscillations due to its design features and storage in the bulkhead mounts when driving.
Die Abläufe der axiomatisch bekannten physikalischen Mechanismen, die zu einer weitestgehenden Umwandlung der hörbaren Luftschallenergie in nicht hörbare Schwingungsenergiewellen führen, wie auch der parallel dazu verlaufende Prozess der Löschung von Schallenergie mittels "Antischall", finden ausschließlich in dem mit Granulat gefüllten "Freiraum" des Absorptionsbalkens autodynamisch statt.The processes of the axiomatically known physical mechanisms, which lead to a far-reaching conversion of audible airborne sound energy into non-audible vibrational energy waves, as well as the parallel running process of extinguishing sound energy by means of "anti-sounding", find exclusively in the filled with granules "free space" of the absorption bar autodynamically.
Die von der Schallquelle, Schiene und Rad abgestrahlte Schallenergie trifft auf Grund der baulichen und konstruktiven Merkmale der niedrigen Schallschutzwand zu mehr als 95% auf die mit Streckmetall ausgeführte Frontseite derselben. Das Streckmetall und das dahinter lagernde Granulat reflektieren ca. 20% der auftreffenden Schallenergie innerhalb des Höhenbereiches der Schallschutzwand zurück zur Schallquelle, bzw. zum Boden und zur sich vorbei bewegenden Wagenoberfläche. In dem im "Freiraum" befindlichen, besonders porösen Granulat wird die eindringende Schallenergie auf Grund der bekannten axiomatisch physikalischen Mechanismen dissipiert, bzw. absorbiert, also auf Grund der viskosen Reibung in den hydrodynamischen Grenzschichten desselben von diesem einer nahezu verlustfreien thermischen Zustandsänderung unterzogen. Die an der Reflektorplatte noch ankommende Schallenergie wird von dieser zu nahezu 100% reflektiert. Dabei entsteht Schall von destruktiver Interferenz, der den vor der Reflektorplatte noch ankommenden Schall teilweise löscht. Die vorgenannten physikalischen Mechanismen laufen zueinander überlappend ab.The sound energy emitted by the sound source, rail and wheel is more than 95% due to the structural and constructive features of the low noise barrier to the expanded metal front of the same. The expanded metal and the granules stored behind reflect about 20% of the incident sound energy within the height range of the soundproofing wall back to the sound source, or to the ground and to the passing wagon surface. In the "free space" located, particularly porous granules, the penetrating sound energy is dissipated due to the known axiomatic physical mechanisms, or absorbed, so subjected to it due to the viscous friction in the hydrodynamic boundary layers of the same a nearly lossless thermal state change. The sound energy still arriving at the reflector plate is reflected by this almost to 100%. This creates sound from destructive interference, which partially extinguishes the sound still arriving in front of the reflector plate. The aforementioned physical mechanisms overlap each other.
Die Erfindung betrifft ein ab dem Gründungsbauteil bewegliches und leicht veränderbares, niedriges Schallschutzwand System, das nahezu ohne besondere Bauleistungen jederzeit allen schalltechnischen Anforderungen der jeweiligen Umgebung angepasst werden kann. Es muss die Vorgaben der vorgenannten EU-Richtlinien, wie auch die sicherheitsrelevanten und spezifischen technischen Vorgaben der europäischen Eisenbahnbetreiber voll berücksichtigen. Die Erfindung muss den nach dem derzeitigen Stand der Technik geforderten Lärmschutz des an den Schienenverkehrswegen entstehenden Lärmaufkommens in allen Belangen erfüllen oder übertreffen.The invention relates to a movable from the foundation component and easily changeable, low noise barrier system, the almost all without any special construction work acoustic requirements of the respective environment can be adjusted. It must fully take into account the requirements of the aforementioned EU directives as well as the safety-relevant and specific technical specifications of the European railway operators. The invention must meet or exceed the noise protection required by the current state of the art for the noise generated on the railways in all respects.
Die Bauhöhen des mobilen Schallschutzwand Systems ergeben sich aus den Merkmalen des erfindungsgemäßen Verwendungszweckes sowie den gebräuchlichen Rad-Durchmessern der Eisenbahnwagen als Schallquellen, gemessen ab Schienenoberkante (SO) und die Einbeziehung der daraus zu folgernden physikalischen Kriterien. Die Schutzwandhöhen betragen daher in der Regel nicht mehr als eine Standardhöhe von 550mm über SO, in Problemfällen maximal 720mm über SO. Schutzwandhöhen von mehr als Standardhöhe 550mm über SO verbessern in offenen Streckenbereichen mit überwiegendem Personenverkehr den Schallschutz nicht. Der zulässige Seitenabstand der Schutzwand-Vorderkante zu der Wandung der Wagen errechnet sich aus dem von den Bahnbetreibern vorgegebenen Sicherheitsmaß von 1780mm aus der Gleisachse. Dieser Abstand ist nahezu ideal geeignet für Schutzwandhöhen von 550mm bis 720mm über SO für schallabsorbierende Schallschutzwände. Um eine optionale Aufnahme des von der Schallquelle abgestrahlten Luftschalls in den Absorptionsbalken zu gewährleisten, sollte sich die Unterkante des Schalleintritts desselben nicht höher als 40mm über Schwellenoberkante befinden. (Blatt 1)The heights of the mobile soundproofing wall system result from the characteristics of the purpose of the invention and the common wheel diameters of the railway carriages as sound sources, measured from rail top edge ( SO ) and the inclusion of the physical criteria to be derived therefrom. As a rule, the height of the protective walls is no more than a standard height of 550mm above SO , in problem cases a maximum of 720mm above SO . Not improve barrier heights of more than standard height 550mm above the running track in open areas with predominantly passenger soundproofing. The permissible lateral distance of the protective wall leading edge to the wall of the car is calculated from the safety measure of 1780 mm specified by the railway operators from the track axis. This distance is almost ideally suitable for protective wall heights of 550mm to 720mm above SO for sound absorbing soundproof walls. In order to ensure an optional recording of the airborne sound emitted by the sound source in the absorption beam, the lower edge of the sound entrance should not be higher than 40 mm above the threshold edge. ( Sheet 1 )
Gemäß der Wirkungsweise, wie auch der technischen Vorteile der erfindungsgemäßen Kragarmausführung, ist die aus Blatt 1 ersichtliche zeichnerische Darstellung der Vorrichtung zum Schutz des gegen den durch den Fahrbetrieb auf den Bahnbetriebsanlagen erzeugten Lärm als bevorzugte Ausführungsform derselben anzusehen. Demgemäß wird die erfindungsgemäße Vorrichtung vorzugsweise als Kragarm-Ausführung auf einer extrem stabilen und allen statischen Belastungen gewachsenen Schutzwandgründung aus Rammpfählen, wie aus Blatt 1 sowie
Sie besteht - als Klammerstütze
Gemäß den Sicherheitsvorgaben der Bahnbetreiber müssen in vorgegebenen Abständen trotz der geringen Bauhöhen des mobilen Schallschutzwand Systems an den dafür vorgesehenen Klammerstützen Handläufe
Rammpfahl 1.1, Kragarmhalter-Platte 1.2 und Kragarmhalter 1.4 sind baugleich wie bei der Klammerstütze, ausgenommen der Kragarm
Der Korpus des Absorptionsbalkens besteht aus einem vorzugsweise aus Aluminium hergestellten Strangpress-U-Profil
Nach dem maßgerechten Einbringen der Rammpfähle in das Erdreich neben dem Schotterbett des Gleiskörpers werden die Kragarm-Bauteile entsprechend den vorgegebenen Maßen auf den Rammpfahlköpfen befestigt. Die wichtigste Voraussetzung vor dem Wandaufbau auf dem Kragarm ist die aus den örtlichen Gegebenheiten und gesetzlichen Vorgaben zu berechnende Entfernung der Schutzwand-Vorderkante zur Schallquelle hin, da gemäß den physikalischen Gesetzmäßigkeiten immer der geringstmögliche Abstand zur Schallquelle hin auch die optimalste Position eines Schallhindernisses ist. Danach werden die Absorptionsbalken auf den dafür vorgesehenen Auflagern der Kragarme übereinander in Form eines Wandaufbaues eingelegt und mit den zugehörigen Klammerprofilen verklammert.After the tailor-made introduction of the piles in the soil next to the ballast bed of the track body, the cantilever components are fixed according to the specified dimensions on the Rammpfahlköpfen. The most important requirement before wall construction on the cantilever arm is the distance of the protective wall leading edge to the sound source to be calculated from the local conditions and legal requirements, since according to the physical laws the smallest possible distance to the sound source is always the most optimal position of an acoustic obstacle. Thereafter, the absorption bars are placed one above the other in the form of a wall structure on the provided supports of the cantilever arms and clamped with the associated clip profiles.
An der vorstehend beschriebenen Ausführungsform des mobilen Schallschutzwand Systems können noch bautechnische Ergänzungen, Modifizierungen und Änderungen vorgenommen oder daraus abgeleitet werden, sofern diese nicht das Gebiet, den Umfang und das Funktionsprinzip der Erfindung überschreiten oder grundlegend verändern.In the above-described embodiment of the mobile soundproofing wall system structural additions, modifications and changes can be made or derived from them, as long as they do not exceed the area, the scope and the principle of operation of the invention or fundamentally change.
Zum Beispiel kann die aus den Absorptionsbalken bestehende Schallschutzwand erfindungsgemäß dem Zweck entsprechend modifiziert und als doppelseitig wirkende Schallschutzwand zwischen den einzelnen Gleiskörpern installiert werden.For example, the existing of the absorption beam soundproof wall according to the invention modified according to the purpose and installed as a double-acting soundproofing wall between the individual track bodies.
Als ein weiteres Beispiel ist zu nennen, dass die Erfindung sich ohne große technische Schwierigkeiten auch im Bereich von Brückenbauten als Schallschutz-Vorhang einsetzen lässt.As a further example, it should be mentioned that the invention can be used without great technical difficulties in the field of bridge construction as a soundproofing curtain.
Claims (14)
Applications Claiming Priority (1)
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DE202010004352U DE202010004352U1 (en) | 2010-03-30 | 2010-03-30 | Mobile sound insulation wall system for railway tracks in the area of residential areas and noise protection areas |
Publications (3)
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EP2397607A2 true EP2397607A2 (en) | 2011-12-21 |
EP2397607A3 EP2397607A3 (en) | 2014-05-07 |
EP2397607B1 EP2397607B1 (en) | 2020-11-18 |
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EP11002426.2A Active EP2397607B1 (en) | 2010-03-30 | 2011-03-24 | Railway with low acoustic wall system |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7326063U (en) * | 1973-11-08 | Hoesch Werke Ag | Noise barrier | |
NL8901906A (en) * | 1989-07-24 | 1991-02-18 | Ringvaart B V De | Sound-absorbent structure - comprises parallel walls with intervening space containing filling of granular material |
GB2300202A (en) * | 1995-04-26 | 1996-10-30 | Acoustic Materials Technology | Noise barrier |
AT6742U1 (en) * | 2003-04-02 | 2004-03-25 | Steinbacher Daemmstoff Gmbh | NOISE ELEMENT |
WO2007140728A1 (en) * | 2006-06-02 | 2007-12-13 | Ivo Vanek | The noise protection panel |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102008002836A1 (en) * | 2008-04-30 | 2009-11-05 | Msb-Management Gmbh | Low noise barrier on tracks |
-
2010
- 2010-03-30 DE DE202010004352U patent/DE202010004352U1/en not_active Expired - Lifetime
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2011
- 2011-03-24 EP EP11002426.2A patent/EP2397607B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7326063U (en) * | 1973-11-08 | Hoesch Werke Ag | Noise barrier | |
NL8901906A (en) * | 1989-07-24 | 1991-02-18 | Ringvaart B V De | Sound-absorbent structure - comprises parallel walls with intervening space containing filling of granular material |
GB2300202A (en) * | 1995-04-26 | 1996-10-30 | Acoustic Materials Technology | Noise barrier |
AT6742U1 (en) * | 2003-04-02 | 2004-03-25 | Steinbacher Daemmstoff Gmbh | NOISE ELEMENT |
WO2007140728A1 (en) * | 2006-06-02 | 2007-12-13 | Ivo Vanek | The noise protection panel |
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DE202010004352U1 (en) | 2010-09-30 |
EP2397607A3 (en) | 2014-05-07 |
EP2397607B1 (en) | 2020-11-18 |
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