EP2281087A2 - Mur antibruit de faible hauteur pour voies ferrees - Google Patents

Mur antibruit de faible hauteur pour voies ferrees

Info

Publication number
EP2281087A2
EP2281087A2 EP09738216A EP09738216A EP2281087A2 EP 2281087 A2 EP2281087 A2 EP 2281087A2 EP 09738216 A EP09738216 A EP 09738216A EP 09738216 A EP09738216 A EP 09738216A EP 2281087 A2 EP2281087 A2 EP 2281087A2
Authority
EP
European Patent Office
Prior art keywords
panel
noise
foundations
track
low noise
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.)
Withdrawn
Application number
EP09738216A
Other languages
German (de)
English (en)
Inventor
Tim Frenzel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HYPERION VERWALTUNG GmbH
Original Assignee
MSB Management GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MSB Management GmbH filed Critical MSB Management GmbH
Publication of EP2281087A2 publication Critical patent/EP2281087A2/fr
Withdrawn legal-status Critical Current

Links

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
    • E01F8/0023—Details, e.g. foundations

Definitions

  • the sound level in buildings close to railroad tracks can not always be sufficiently reduced.
  • the emission level depends on the number of trains, freight train share, speed, disc brake share and type of threshold. Also the
  • Rails affect the noise: Unevenness ("rippling") on the rails causes the wheels to vibrate and thus to radiate sound.
  • Fast IC trains on concrete sleepers with "railed" track are noticeably louder, especially in the frequency range between 1000 Hz and 3000 Hz, than with ground track. Even then, depending on the speed (100 - 250 km / h), the airborne emissions of the trains are around 60 to 66 dB (A).
  • KTLG component carrier quiet freight train
  • New types of brakes, wheel absorbers, bogie cladding and a low noise barrier are used very close to the tracks. All these measures and additionally ground tracks reduce noise by up to 20 dB (A) compared to conventional technology. This reduction corresponds to a quarter of the volume impression.
  • Noise barrier walls can reduce the averaging level by up to 15 dB (A) and the pass-by levels by up to 20 dB (A). They have to be long enough. Locally, the noise barrier is particularly favorable, because less reason must be taken and the screen edge of the wall can be built close to the sound source. With the same wall height, the closer the wall is to the noise source, the higher the screening effect.
  • the wall height is usually limited to 6 m. Such heights are but rarely for visual reasons justifiable.
  • Durable and cost-effective materials are concrete and aluminum. With wood and glass, the design diversity can be expanded.
  • the costs per m2 wall element range between € 300, - and € 500, -.
  • a center wall in combination with lower exterior walls is more favorable in terms of acoustics and urban planning than high ones
  • the present invention seeks to overcome damage caused by the dynamic and fatigue loading as well as the unfavorable system response and describes the initial design of new noise barriers using new knowledge and guidance.
  • the main sources of airborne sound are the rail bridges and wheel disks; other sources are due to tolerances in the mechanics of the numerous, partly aged wagons. Rail corrugations are not considered in the following discussion.
  • ballastless superstructure i. Railways or rails in fixed carriageways have become known numerous solutions to curb the noise through low noise barriers in combination with the advantages of the fixed carriageway, for example according to EP 0945547 B1, DE 4434269 A1, DE 295 077 60 U1, DE 4100881 A1.
  • EP 0964960 B1 also proposed a soundproofing device with an elastically deformable low-noise protective wall made of rubber or plastic, which has a profiling on the inner side facing the track which shoots essentially over the entire wall height.
  • This wall-side ribs has an angle inclined downwards so that higher-frequented airborne sound could be reflected several times in the area of the ribs in order to be ultimately absorbed.
  • a noise barrier which is to consist of plastic profile bodies, which is to the side facing the rail, is perforated and has reflection ribs, while inside sound-absorbing materials are arranged.
  • the profile body should be made of plastic. Because of the above-described suction and pressure conditions, it can be assumed that these systems are ultimately destroyed at train speeds of 160 or 200 km / h by the dynamic loading of the systems.
  • a foundation consisting of a series of individual foundations is to be erected in the immediate vicinity of the clearance space along the railway track, progressively positioned in the longitudinal direction of the building at the points provided for the composite elements initially for steel construction tubes and excavated the enclosed soil in the dam body are lowered over the depleted construction tube roadway support to form a provisional roadway for construction equipment are placed, are introduced from where in the contactor of small pipes for construction pipes in the ground.
  • the construction pipes subject concrete into the hollows formed by them for the incorporating into the pile heads of the small piles foundation body.
  • the construction pipes are to be lowered by ramming, shaking or the like with simultaneous excavation.
  • a rail noise suppression device which extends parallel to the longitudinal direction of the rail track, divided into sections provided with means which may have two states. With the aid of a controller, each section can be controlled so that it has a reflection surface in one position, while in the second position it stands as a collapsible screen in the rest position. It is questionable whether such movable systems have a long life in view of the sound pressure and the wind and suction conditions. From which the soundproofing elements are to exist is not disclosed. But they should be located outside of the clearance space and therefore allow to swap thresholds or to edit the ballast bed.
  • DE 4419886 A1 discloses a plastic granulate
  • the invention is based on the problem of proposing a suction and pressure resistant against noise wall, the variably spaced next to install gravel tracks at the lowest possible cost to retrofit there, is.
  • the problem is solved by the features of claims 1 and 2. Further developments of the invention are covered in the dependent claims.
  • the first solution includes a low noise barrier for railroad tracks in ballast with stable arranged outside the control clearance Individual foundations in specifiable grid spacing as an abutment for a holder of the noise barrier, wherein the holder a vertically orientable panel carrier, placed just outside the control clearance or its boundary line, with a length of about 1 m and a spacer between the panel carrier and the individual foundations and both connectable and one of sheet steel with foamed plastic in between shear-resistant prefabricated panel.
  • the second solution is to use foamed plastic sandwiched between steel sheets as a panel for a noise barrier on railroad tracks in ballast, the track facing steel sheet having parallel trapezoidal corrugations and a corrosion protection coating in the horizontal direction, the panel being max. about 1 m high and is anchored by means of a bracket to foundations next to the ballast bed.
  • the panel is coated on the track side with coarse-grained irregular plastic particles for better absorption or reflection of sound towards the ballast bed.
  • the Federal Railway Authority (EBA) has been commissioned to produce noise maps. According to current ideas, sections in the metropolitan areas of more than 15,000 trains are to be considered. In parallel, the TSI-HAST noise was introduced in 2002. In 2005, the TSI CR noise followed. The limit values of the TSI are initially valid only for the new purchase of vehicles or in certain cases (freight cars) in the renewal / rebuilding. Options for further research and studies on the reduction of noise pollution are necessary.
  • the well-known noise barriers are set from gauge space specifications for the control clearance or its borderlines accordingly far outward.
  • the prior art provides for different proposals
  • the building structure Due to the noise protection wall to be installed at a distance of at least 1.70 m to 2.60 m from the track, the building structure must be changed.
  • the invention proposes in principle
  • the fastening anchors are positioned by means of a gauge placed on the frame. • The frame is concreted out.
  • the actual noise barrier is carried out according to variably adapted to the local situation, d. H. a base plate placed on the foundation, spacer to the
  • the beams and base plates can be made from I-sections, T-sections or tubes.
  • a joint is arranged in the region of the base plate in the foundation area.
  • the actual noise protection elements can be executed according to known constructions.
  • this is designed as follows:
  • a component which is used especially in industrial halls.
  • These are trapezoidal profiled sheet steel outer shells, which are rigidly connected to a PUR rigid foam anchor. The outer shells off
  • Sheet steel are corrosion protected according to requirements.
  • the profiles are available in different static requirements on the market, known for example as a trademark Hoesch ISO wall. • These panel panels are coated with a rubber granulate from shredded car tires, in a thickness that complies with acoustic requirements, with a polyurethane binder, firmly adhering to the side facing the track. These novel noise reduction panel panels can also be used in and on known noise control systems.
  • Fig. 1 The control clearance and the border lines acc. the German railway operating regulations
  • FIG. 2 shows a first embodiment of a low noise protection wall on a gravel track on a free route
  • Fig. 3 shows a second embodiment of the low noise barrier provided for the area of stations
  • Fig. 4 is a plan view of a low noise barrier along a track in an embodiment gem.
  • Fig. 5 shows a third embodiment of the noise barrier with hinged spacer.
  • Fig. 1 shows according to the German legislation provided dimensional lines for the regulatory clearance and the borderlines of a railway vehicle, which may not be exceeded by components outside the tracks.
  • the dimensioning takes into account the position of the rail top edge (SO) and the position of a possible overhead line. Both the boundary line and the control sight space can shift outwards by up to 100 mm, especially in the area of tight bends; then a corresponding surcharge must be made for all dimensions.
  • a low noise barrier is shown, which extends to the boundary line of a control sight space according to FIG. 1 and therefore from the track center at least 1, 71 m, according to the rule clearance variant in the left partial image for main lines of the railway is removed. It can be seen that the lower limit of the boundary line is 760 mm apart from the rail top edge (SO). As a result, with max. Height of the low noise barrier can not be greater than this 760 mm. The situation is different when the noise protection wall is to be moved to the limit of the control sight space, which has to be decided on a case-by-case basis by a person skilled in the art.
  • Fig. 2 shows a single foundation designed as a reinforced concrete frame (10), which was filled with concrete (1 1) after pipes or beams (12) were rammed in accordance with the local soil conditions next to the ballast bed (7) for stable foundation in the ground.
  • the in-situ concrete is filled up to the upper edge of the reinforced concrete frame (10), after initially also fastening elements (32) were used for a steel plate (14) and were cast with the in-situ concrete.
  • the steel plate (14) serves the base plate (31) of a spacer (3) as a base.
  • the two plates (31) and (14) are screwed together by the fastening device (32) or riveted or welded.
  • the spacer carrier (3) is connected to a panel carrier (2).
  • the panel carrier (2) carries a panel wall (4) and is fixedly connected to this panel wall by fastening means (41).
  • the panel wall (4) consists essentially of two steel sheets, which are filled with PUR foam and thus the sheets are shear-resistant connected with the foam to the sandwich.
  • the front side of the panel (4) has a profiling (5) which extends rib-like or meandering in the horizontal direction. These ribs may additionally be coated with a rubber or a plastic granules whose grain size is measured according to the respective sound requirements, the rubber parts shredded for example from car tires being fixed on the panel 4 with the aid of suitable adhesives.
  • FIG. 3 shows a low noise protection wall, but here the distance of the noise protection wall 4, 5 and the individual foundations 1 and their height and position are slightly different, thus taking into account in particular distances in stations.
  • FIG. 4 shows a plan view of spaced apart individual foundations 1 according to FIG. 2, of which spacer carriers (3), connected to panel carriers (2), hold a low noise protection wall or panels (4). Shown here is a grid spacing of the individual foundations of 3 m with a continuous noise protection wall over all individual foundations. It is envisaged that the noise barrier will be up to 12 or 15 meters long. Depending on how the panels are commercially available in their length or allow wind, pressure or suction by dynamic loads on the foundations a corresponding length of the low noise barriers.
  • Fig. 5 shows a further embodiment of the invention.
  • the spacer carrier (3) has a joint (39) with which the base plate (31) and the plate (14) resting on the individual foundation (1) are coupled in such a way that the spacer carrier or the noise protection wall as such has 3 positions A, B and C occupy space, if necessary, to work through the ballast bed (7) by a ballast bed cleaning machine.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un mur antibruit de faible hauteur pour voies ferrées à lit de ballast, ledit mur comportant des fondations individuelles stables placées en dehors du gabarit d'espace libre à une distance d'écartement prédéfinissable en tant que butée pour un support du mur antibruit. Selon l'invention, le support comprend un support de panneau orientable verticalement pouvant être placé juste en dehors du gabarit d'espace libre ou de sa ligne de démarcation, qui présente une longueur d'environ 1 m, ainsi qu'un support entretoise, placé entre le support de panneau et la fondation individuelle et pouvant être relié à ces deux derniers, et un panneau préfabriqué résistant au cisaillement, constitué de tôles d'acier entre lesquelles un plastique expansé est inséré. L'invention concerne également l'utilisation de plastique expansé pris en sandwich entre des tôles d'acier en guise de panneau.
EP09738216A 2008-04-30 2009-04-30 Mur antibruit de faible hauteur pour voies ferrees Withdrawn EP2281087A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810002836 DE102008002836A1 (de) 2008-04-30 2008-04-30 Niedrige Lärmschutzwand an Gleisen
PCT/EP2009/055269 WO2009133172A2 (fr) 2008-04-30 2009-04-30 Mur antibruit de faible hauteur pour voies ferrées

Publications (1)

Publication Number Publication Date
EP2281087A2 true EP2281087A2 (fr) 2011-02-09

Family

ID=40974660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09738216A Withdrawn EP2281087A2 (fr) 2008-04-30 2009-04-30 Mur antibruit de faible hauteur pour voies ferrees

Country Status (3)

Country Link
EP (1) EP2281087A2 (fr)
DE (1) DE102008002836A1 (fr)
WO (1) WO2009133172A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU204631U1 (ru) * 2021-03-19 2021-06-02 Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") Устройство для установки шумозащитных экранов на сортировочных горках

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DE202010004352U1 (de) * 2010-03-30 2010-09-30 Dünow-Zeidler, Linda Claudia Mobiles Schallschutzwandsystem für Bahngleisanlagen im Bereich von Wohngebieten und Lärmschutzbereichen
WO2012105860A1 (fr) 2011-02-01 2012-08-09 Tuxbel Larmschutzsysteme Sp. Z O.O. Déflecteur acoustique, en particulier pour un positionnement dans la zone ferroviaire, et escaliers de secours sur le déflecteur acoustique
DE102011013145B4 (de) 2011-03-04 2013-11-21 Matthias Kurzeck Modulare schwenkbare niedrige Schallschutzwand
DE202011103938U1 (de) 2011-08-02 2011-10-14 Kassecker Gmbh Schallschutzvorrichtung für Schienenwege
DE202011103939U1 (de) 2011-08-02 2011-10-14 Kassecker Gmbh Gründung einer Schallschutzvorrichtung fürSchienenwege
EP2554744B9 (fr) 2011-08-02 2016-10-19 KASSECKER GmbH Dispositif d'isolation acoustique pour voies ferrées et système composé d'un dispositif d'isolation acoustique et d'une voie ferrée
AT12569U1 (de) * 2011-08-02 2012-08-15 Kassecker Gmbh Gründung einer schallschutzvorrichtung für schienenwege
ITMI20121160A1 (it) * 2012-07-02 2014-01-03 Mts S R L Struttura di vincolo perfezionata e relativo procedimento di fissaggio per picchetti o paletti sul ballast di linee ferroviarie.
DE202013012576U1 (de) 2012-07-03 2017-07-31 Strabag Rail Gmbh Mobile niedrige Lärmschutzwand
EP2692949B1 (fr) 2012-08-02 2016-12-07 STRABAG Rail GmbH Paroi de protection phonique basse à côté d'une voie ferrée et élément de paroi de protection phonique pour la formation d'une telle paroi de protection phonique

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RU204631U1 (ru) * 2021-03-19 2021-06-02 Общество с ограниченной ответственностью "Информационные технологии" (ООО "ИнфоТех") Устройство для установки шумозащитных экранов на сортировочных горках

Also Published As

Publication number Publication date
DE102008002836A1 (de) 2009-11-05
WO2009133172A3 (fr) 2009-12-30
WO2009133172A2 (fr) 2009-11-05

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