EP2210978A2 - Mini-mur de protection pour rails de voies - Google Patents

Mini-mur de protection pour rails de voies Download PDF

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Publication number
EP2210978A2
EP2210978A2 EP10000576A EP10000576A EP2210978A2 EP 2210978 A2 EP2210978 A2 EP 2210978A2 EP 10000576 A EP10000576 A EP 10000576A EP 10000576 A EP10000576 A EP 10000576A EP 2210978 A2 EP2210978 A2 EP 2210978A2
Authority
EP
European Patent Office
Prior art keywords
protective wall
arrangement according
track
wall element
holders
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Withdrawn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
EP10000576A
Other languages
German (de)
English (en)
Other versions
EP2210978A3 (fr
Inventor
Günther Schnellböss
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.)
edilon)(sedra GmbH
Original Assignee
edilon)(sedra 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 edilon)(sedra GmbH filed Critical edilon)(sedra GmbH
Publication of EP2210978A2 publication Critical patent/EP2210978A2/fr
Publication of EP2210978A3 publication Critical patent/EP2210978A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E01B26/005—Means for fixing posts, barriers, fences or the like to rails
    • 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
    • E01F8/0035—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with undulated surfaces

Definitions

  • the invention relates to a mini-protection wall for threshold tracks and a track which is equipped with such a mini-protection wall.
  • Rail-mounted rail vehicles often generate annoying noise that needs to be reduced.
  • a noise source of the rail vehicle is the wheel running on the rail.
  • the noise generated here should be fought as close as possible to the source.
  • a track body which has in the immediate vicinity of the rails relatively low protective walls, which are referred to as mini-protection walls.
  • These protective walls are connected to the track body and have a concave, the rail facing surface, which reflects the sound on the slider, where it is absorbed. You can also have a sound-absorbing surface itself.
  • the mini protective walls end below the clearance gauge.
  • the track body In addition, at a greater distance next to the LichLraumprofil the track body to be arranged protective walls, for example. From the DE 35 44 481 A1 who also try to shield the sound generated on the rail and prevent it from escaping into the open countryside.
  • the endeavor of the development underlying the present invention is to provide a soundproof wall sharp, which can be produced and assembled with little effort and the optically inconspicuous, but it is highly effective.
  • the protective wall assembly according to the invention is suitable for all types of superstructure, in particular suitable for a track track with a track grid, which is embedded in a Schotterschültung.
  • the bulkhead assembly includes bulkhead members disposed along the rail. Preferably, they are laid there in a relatively small distance of a few decimeters approximately parallel to the rail.
  • For stationary storage of the protective wall elements are holders, wherein for each protective wall element at least preferably at least one holder is provided.
  • the holders are connected either directly to the track grid or at a distance from the track grid directly to the ground.
  • the soundproof wall can be brought very close to the given with respect to the track travel by standards clearance gauge. The distance between the upper edge of the mini protection wall in the moving rail vehicle can be minimized in this way, whereby a good sound insulation and a good enclosure of the sound source formed by the moving wheel is ensured.
  • the protective wall elements When securing the protective wall elements to the track grid, the protective wall elements follow movements of the rail, as may occur especially in older track bodies. If, for example, the rail braces under the load of the rail vehicle, the mini protection wall is moved correspondingly vertically, so that collisions with the rail vehicle are excluded. The same applies to horizontal track rust movement. In order not to hinder work on the gravel surface, it is advantageous if the holders are fastened with an associated threshold or in the region of a threshold on the track grid.
  • the protective wall arrangement thus does not have its own foundation. Rather, she uses the track grid as her foundation. If, for example, the ballast of the railway track must be recompressed from time to time, for example by means of a track tamping machine, it has access to the ballast bed in a conventional manner between the sleepers of the track. The work of the tamping machine is thus little or not hindered by the protective wall arrangement. This also applies even if the protective wall arrangement is arranged relatively close to the rails and even above the sleepers or also laterally next to these.
  • the protective wall elements are detachably connected to the holders. They may for example be connected by means of a latching connection with the holders and then, if necessary, be removed during maintenance work on the rails or the ballast bed.
  • the holders which support the protective wall elements on the track grid are connected to the rails.
  • the holders engage underneath the rail base and are clamped or screwed thereto.
  • the holders may be connected to the thresholds, for example by being bolted or glued to the thresholds.
  • the holder can also be designed as Restandmaschine the thresholds. It is also possible to form the holders so that they are arranged between the rail and the threshold and formed, for example, as part of the connection means provided there, which connects the rails with the threshold.
  • the holder may be rammed into the ground at a lateral distance from the track grid, as is known from guardrail posts on roads.
  • the protective wall elements can be fastened to the holding in the vertical direction at different elevations. In this way, the protective wall elements can be adjusted in their Höhonposition even after installation, for example, after working on the substrate of the track. This makes it very easy to exclude the intrusion of the protective wall elements into the clearance space.
  • the protective wall arrangement has one and preferably a plurality of holders for each protective wall element.
  • At least the trained as an emergency door protection wall element Lragenden holder have a hinge assembly with a pivoting range of at least 90 °.
  • the protective wall element attached to the holders can be folded from an approximately vertical position of use into an emergency position which differs by at least 90 ° from the position of use and the accessibility to the track can be improved. This is advantageous for maintenance or repair work or after accidents.
  • the trained as an emergency door protective wall elements have a shorter length, for example, about one meter, as the other protective wall elements of the protective wall assembly.
  • the emergency doors may visually differ from the other fixed bulkhead elements, for example by a colored marking.
  • the hinge assembly can be locked in the pivot position, which corresponds to the position of use of the protective wall element, by locking means, so that accidental folding out of the position of use prevents the emergency situation becomes.
  • a locking means can serve a locking pin, locking elements or the like. These may be biased by biasing elements in the locking position.
  • a gap may remain between the substrate and the protective wall element which is closed by a flexible covering lip arranged on the underside of the protective wall element. In this way, the sound leakage below the protective wall element can be reduced or prevented.
  • the flexible cover lip also adapts to an uneven surface, e.g. On gravel underground.
  • the protective wall arrangement is preferably formed by a series of protective wall elements, which are formed as plastic body.
  • a glass fiber reinforced thermoplastic or a thermosetting plastic may be used.
  • the protective wall element can also be constructed from one or more layers. At least one of these layers may be an aluminum layer.
  • the aluminum layer has a porous structure and in particular a honeycomb structure.
  • a partially or entirely constructed of aluminum layers protective wall element is very weather-resistant and insensitive to mechanical damage that can occur, for example, by gravel flight.
  • the protective wall element may be formed, for example, as a hollow body. Its interior can be completely empty or filled with fillers, for example foam.
  • the protective wall elements are preferably formed closed at their end faces.
  • they are preferably provided with mutually complementary profiles so that they are arranged interlocking and in the vertical direction at least something against each other can be moved. On the one hand, this facilitates assembly. On the other hand, this allows at least slight relative movements, which can occur on a traveled track grid between different sections.
  • the interlocking mutually complementary profiles on the end faces of the protective wall elements also bridge a gap existing between the protective wall elements and thus prevent sound leakage.
  • the protective wall arrangement according to the invention is also suitable for other track tracks, for example, with a solid surface, for example in the form of a concrete slab with recessed thresholds or trainedachiticiancn for rails.
  • a solid surface for example in the form of a concrete slab with recessed thresholds or trainedachiticiancn for rails.
  • FIG. 1 is a track body 1 illustrated, which is formed by a ballast track 2 and a protective wall assembly 3.
  • To the ballast track 2 includes a track grating 4 with at least two rails 5, 6, which are attached to sleepers 7 (7a to 7i).
  • the rails 5, 6 are fastened to the sleepers 7 by conventional rail fastening systems, such as rail nails, bolts, shims or also clamping springs.
  • the track grid 4 thus formed is located in a ballast bed on a correspondingly viable ground 9.
  • the ballast track 2 is conventionally formed.
  • the track blind 4 is provided with the protective wall arrangement 3 at least on one, but preferably on both sides. To this belong protective wall elements 10, 11, which run alongside the rail 5, are arranged at a distance therefrom.
  • the protective wall elements 10, 11 are fixed by holders 12, 13, 14 on the track grid 4.
  • FIG. 2 illustrates this with the example of the Hal-Lers 12 and the protective wall element 10th
  • the protective wall element 10 is designed as an elongated hollow body, for example as a plastic body. It has a wall 15 facing the rail 5, an outer wall 16, a wall 17 terminating at the top and a bottom-side wall 18, which seamlessly merge into one another in the present exemplary embodiment.
  • the enclosed cavity 19 may be formed empty. It can also be filled with a filling material. It is also possible in the cavity 19 aussteiger structures, such as honeycomb to arrange, in particular, if the consisting of the walls 15 to 18 arrangement consists of two interconnected shells.
  • the protective wall element 10 may alternatively be constructed of several layers or layers 50.
  • One or more and in particular the outer layers 50 are designed as aluminum layers.
  • the aluminum layers preferably have a honeycomb structure. They can also be made of porous aluminum foam.
  • the use of multiple layers 50 of different porosity is possible and has the advantage that the sound absorption by the differently porous material used can be tuned to different frequency ranges and the overall bandwidth of sound absorption thereby increases.
  • At least the outer layer 50 'facing the track 1 is arcuately curved in order to form a desired focus for the sound waves reflected thereon.
  • the further layers 50 are, for example, aligned parallel to this outer layer 50 '.
  • Two adjacent layers 50 ', 50 are materially interconnected, for example by gluing or the like.
  • the adhesive layer between two layers 50 ', 50 may also have a sound-absorbing, in particular porous consistency.
  • the protective wall element 10 is completely constructed of AluminiumschichLen 50 ', 50 and closed at the upper edge by a closing strip 51.
  • the protective wall element 10 in the form of a box 75.
  • the box encloses a box interior 76.
  • the track body 1 towards the box wall is designed as an arcuate concavely curved inner wall 77.
  • This inner wall 77 may be constructed in one or more layers, as in the embodiment of the protective wall element 10 in connection with FIG. 8 has been described.
  • the other box walls 78 are substantially planar.
  • additional soundproofing elements can be arranged become. These are protected by the box 75 from external influences. It is possible, for example, to fill porous, sound-absorbing materials in the form of fillers 79 in the box interior 76, which at least partially fill the box interior 76.
  • the box interior 76 may alternatively or additionally be divided into resonator chambers 80 in the manner of Helmholtz resonators.
  • the resonator cabinets 80 pass through the box 76 from the inner wall 77 to the opposite box wall 78, which forms the rear wall 78 '.
  • Chamber walls 81 separate the resonator chambers 80 from each other, for example, forming a grid such that the resonator chambers 80 have a rectangular cross-section.
  • the resonator chambers 80 are arranged at right angles to the rear wall 78 'in both extension directions of the rear wall 78' side by side.
  • a membrane 81 can also be arranged in each of the resonator chambers 80.
  • the membrane 82 is circumferentially fixed to the chamber walls 81 of the respective resonator chamber 80.
  • the membrane 82 can have several and, for example, two membrane layers.
  • the membrane layers can abut one another directly or be arranged at a distance from one another, so that a gap remains between the membrane layers.
  • the sound entering the resonator chamber 80 causes the diaphragm 82 to vibrate.
  • the resonator chambers are partially filled with a filling body 79, for example.
  • the rail 5 facing the wall 15, 77 is concave.
  • the course of the curvature seen in cross section corresponds approximately to a portion of a Parabelastes.
  • the curvature isL is made such that the sound emanating from a sound source 20 and reflected on the wall 15, 77 is preferably reflected onto the ground between the sleepers 7 and the protective wall element 10.
  • the sound source 20 is, for example, a point traversed by a rail vehicle on the top side of the rail head of the rail 5.
  • the focal point B resulting from the curvature is located laterally between the sleepers 7 and the protective wall element 10 in the direction of the rails 5, 6.
  • the focal point B is located vertically below a first horizontal plane E1 through the top of the rail head of the rail 5.
  • the focal point B is above a second horizontal plane E2 extending through the mounting surface 85 of the threshold 7 for the rail of the rail 5, 6.
  • the preferred position of the focal point is based on two embodiments in the FIGS. 13 and 14 shown schematically.
  • curvature of the wall 15 of the protective wall element 10 is the focal point B seen vertically below the protective wall element 10 - it is so to speak overlapped by Schutzwtlndelement 10.
  • the position of the focal point B described with reference to the figures applies to all embodiments of the protective wall element 10.
  • the holder 12 for supporting the protective wall element 10 is, as FIG. 2 shows, preferably attached from below to the foot 21 of the rail 5.
  • the holder 12 may be formed as an elongated metal part, for example in the form of a T-profile carrier, whose one end 22 extends below the rail 21.
  • a holder structure 23 may be provided with the holder 12 is locked to the rail 21.
  • this includes two claws 24, 25, at least one of which is designed as a tensioning means to be tightened against the foot 21.
  • serve a clamping screw 26 which passes through the claw 24 obliquely and when it is tightened both downwards as well as to the rail 21 braces out.
  • the other end 27 of the holder 12 carries the wall element 10.
  • the wall element 10 is preferably fastened by means of a latching device 28 to the holder 12.
  • the latching device is formed for example by a holder side attached to the end 27 of the holder 12 latching pin 29 which sits in a formed on the bottom wall 11 pocket 30 of the wall element 10.
  • the locking pin 29 may be formed as a flat stamped part or as a rotating part and having a shaft with an enlarged head arranged above.
  • the lower end of the shaft is connected to the carrier 12, for example, welded.
  • the pocket 30 has an undercut contour, so that the head of the locking pin 29 can retract latching into the pocket 30 while pressing the flat bottom wall 18 against the preferably flat top of the holder 12.
  • the bag 30 may have a considerable longitudinal extension in the longitudinal direction of the wall element 10, so that the latching pin 29 can be inserted at any desired locations in it.
  • FIG. 3 illustrates the pocket 30 of the wall element 10 with a dashed line.
  • a plurality of pockets 30 may be disposed on the wall member 10, wherein the length of each pocket 30 may be, for example, as long as an average threshold distance. This ensures that the latching connection can be made in a simple manner, without having to adjust the holder 12, 13 separately.
  • FIG. 3 Also apparent are the mutually facing ends 31, 32 adjacent protective wall elements 10, 11 formed complementary to each other.
  • the protective wall element 10 has a vertically extending groove 38, while the end 32 of the protective wall element 11 is provided with a vertically extending bar 39 which fits into the groove 38.
  • an electrical conductor 36 may be present in each protective wall element. Between the groove 38 and strip 39 can be produced at the connection made an electrical contact between the two conductors 36 of the connected protective wall elements 10. The electrical connection of the conductor 36 can then serve for evaluation, whether the protective wall elements 10 of a protective wall assembly 3 are correctly positioned and connected to each other without gaps. Missing or displaced protective wall elements 10 can be determined in this way. The evaluation can be done by a remote evaluation, eg in a control center. Instead of the strip 39 and the groove 38, other contact elements connected to the conductors 36 may be provided at the ends of the protective wall elements 10.
  • protective wall assembly 3 While the protective wall assembly 3 is fixed to the rail b, may on the rail 6, as well FIG. 3 shows, a corresponding protective wall assembly 3 'may be provided. Both protective wall assemblies 3, 3 'can be detached, changed or maintained independently of each other.
  • FIG. 4 illustrates the track body 1 with a rail vehicle 33 traveling thereon.
  • the rail vehicle 33 travels within a gauge space 34 defined by standards or other regulations FIG. 4 is indicated by a dashed line.
  • the Clearance profile 34 forms a boundary over which no part of the rail vehicle 34 may extend.
  • the protective wall elements 10, 10 'are formed and arranged so that their upper wall 17, 17' protrudes from below to the clearance 34.
  • the Schutzwdndan extracten 3, 3 'are thus arranged below the clearance space.
  • the clearance space 34 projects laterally beyond both protective wall assemblies 3, 3 'addition.
  • FIG. 5 illustrates a modified embodiment of a protective wall arrangement 3 or 3 '.
  • the modification consists in that at least one of the holders 12, 13 etc., in this case the holder 12a, bridges over both rails 5, 6 and protrudes outwards in order to receive the protective wall elements 10, 10 '.
  • the distribution of this embodiment lies in the relatively precise horizontal alignment of the continuous holder 12a.
  • the other holders can also or according to FIG. 3 be educated. Incidentally, the above description applies accordingly.
  • FIG. 5 Another possible modification is also in FIG. 5 shown.
  • holders 13a, 14a provided for connecting the protective wall element 10 with the sleepers 7d and 7g.
  • This solution offers particularly good access to the ballast bed 8, for example with regard to track tamping work and the like.
  • the sleepers / can be coated on their upper side with sound-absorbing material 37 ( Fig. 6 ) to improve the sound absorption. It is also possible in each case along the two rails 5, 6 to arrange sound-absorbing devices which also cover the sleepers 7.
  • a gap may be present between the protective wall element 10 and the substrate 9 or the ballast bed 8.
  • a flexible cover lip 70 is provided in a modified embodiment, which protrudes from the bottom of the protective wall element 10 down. The free end of the cover lip 70 rests on the substrate 9 or ballast bed 8. The gap is thereby closed.
  • the protective wall element 10, 11 can be detached from the holders 12, 13, 14 (12a, 13a, 14a) and removed, if desired. But it is also possible to provide a different from the locking device 28 connection between the holders 12 to 14 a and the protective wall element 10 or 11. For example, adhesive bonds, screw connections or the like may be used.
  • the holder 12 may also be a one-piece component of the protective wall element 10.
  • One or more or all protective wall elements 10 of the protective wall arrangement 3 can be designed as an emergency door 40.
  • the emergency doors 40 are seen in the longitudinal direction or verlaufungsrichtting the rails 5,6 preferably shorter than the other protective wall elements 10 of the protective wall assembly 3.
  • the emergency doors 40 are from its substantially vertical position of use I in an emergency situation II convertible to access the track in emergency or also to improve during maintenance or repair work.
  • the holders 12, 13 connected to the emergency door 40 have a hinge arrangement 41.
  • Each holder 12, 13 is divided by the hinge assembly 41 into two relatively pivotable holding arms 42, 43.
  • the first holding arm 42 is immediately fixed to the track grid 4 or the underground 9 connected.
  • the emergency door 40 is attached.
  • the hinge assembly 41 has a pivoting range of at least 90 ° and preferably at least 130 °.
  • the emergency situation II of the emergency door 40 differs, for example, by 60 ° to 90 ° or more of the use position I, depending on the course of the substrate 9 and depending on whether the emergency door 40 is pivoted toward the track or away from the track in the emergency situation II.
  • the hinge assembly 41 is secured, for example, by a stop 60 against pivoting in one direction.
  • the emergency door 40 can therefore be pivoted from the use position I only in a pivoting direction either away from the track or to the track.
  • holders 12, 13 and the protective wall element 10 are dimensioned such that no part of the emergency door 40 projects into the clearance space. This applies preferably to the position of use I, the emergency situation II and all intervening embposiLionen.
  • the hinge assembly 41 may include locking means 55 which locks the hinge assembly 41 in a predetermined pivotal position. This predetermined pivot position corresponds to the position of use I of the associated emergency door 40.
  • locking means 55 serve as a locking means 55 a biased by an elastic biasing member 56 in a locking recess 57 on a hinge part 41a locking pin 58 which is arranged on the respective other hinge part 41b.
  • the locking means 55 entrieqelt and the emergency door 40 are folded into the emergency situation II.
  • the force required for this is greater than that by a passing rail vehicle on the Emergency door 40 acting force.
  • the joint assembly 41 may be associated with a position sensor 61.
  • the position sensor 61 detects whether the joint arrangement 41 is in the position of use I or outside the position of use I.
  • the status can be displayed, for example, in a rail traffic control center. It is also possible that an evaluation unit evaluates the state of one or more position sensors 61 and outputs an emergency signal as soon as one of the emergency doors is not in the position of use I.
  • the emergency doors 40 of the protective wall assembly 3 may differ in color from the other fixed protective wall elements 10.
  • the second support arm 43 may have the locking pin 29 or be formed by this.
  • the protective wall elements 10 in different vertical positions on the holder 12, 13 can be fastened.
  • the altitude of the protective wall elements 10 is adjustable.
  • a fastening region with a plurality of fastening holes 45 arranged one above the other is provided on the holders 12, 13 and in particular on the second holding arm 43.
  • the associated protective wall element 10 may optionally with fastening bolts - for example, fastening screws - to set the desired vertical position one of the mounting holes 45 of the mounting portion 44 are attached.
  • On the holder 12, 13 and a plurality of mounting portions 44 may be present.
  • one or more vertical oblong holes 45a for fastening the protective wall element 10 are provided in a fastening region 44. This also vertical adjustment possibility of the protective wall elements 10 is achieved.
  • FIG. 8 further shows the possibility of forming the holders 12, 13 as posts 48.
  • the post 48 is designed as a sheet metal part. He has a on one longitudinal side through a slot open hollow profile. The profile can also be referred to as an "omega profile” or "sigma profile”.
  • the posts 48 are rammed into the ground to produce the protective wall assembly 3 at a predetermined distance from the track grid 4.
  • the hinge assembly 41 is located just above the surface of the ground 9.
  • a mounting portion 44 with a plurality of mounting holes 45 or at least one slot 45 a is present.
  • a protective wall assembly 3 For mounting on ballast tracks 2, a protective wall assembly 3 is provided, the holder 12, 13 establish a direct connection to the track Ros 4.
  • the holders 12, 13 are connected either to the substrate 9 or to the rail 5 or to the sleepers 7. This concept ensures a precise alignment of the protective wall arrangement 3 with respect to the rail 5 with simple technical means.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP10000576A 2009-01-21 2010-01-21 Mini-mur de protection pour rails de voies Withdrawn EP2210978A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009005439A DE102009005439A1 (de) 2009-01-21 2009-01-21 Minischutzwand für Schwellengleise

Publications (2)

Publication Number Publication Date
EP2210978A2 true EP2210978A2 (fr) 2010-07-28
EP2210978A3 EP2210978A3 (fr) 2012-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000576A Withdrawn EP2210978A3 (fr) 2009-01-21 2010-01-21 Mini-mur de protection pour rails de voies

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EP (1) EP2210978A3 (fr)
DE (1) DE102009005439A1 (fr)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
AT12560U1 (de) * 2011-08-02 2012-07-15 Kassecker Gmbh Schallschutzvorrichtung für schienenwege
AT12569U1 (de) * 2011-08-02 2012-08-15 Kassecker Gmbh Gründung einer schallschutzvorrichtung für schienenwege
EP2554744A3 (fr) * 2011-08-02 2014-07-23 KASSECKER GmbH Dispositif d'isolation acoustique pour voies ferrées et système composé d'un dispositif d'isolation acoustique et d'une voie ferrée
EP3135813A1 (fr) * 2015-08-27 2017-03-01 KRAIBURG STRAIL GmbH & Co. KG Dispositif d'isolation acoustique pour voies ferrees
CN109677442A (zh) * 2019-01-03 2019-04-26 中车齐齐哈尔车辆有限公司 轮对轨距变换装置

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FI122884B (fi) * 2010-07-26 2012-08-15 Jarmo Airaksinen Yläpäästään vapaa seinärakenne ja seinärakenteen käyttö melu- tai näköesteenä
DE102013107631A1 (de) * 2013-07-17 2015-01-22 Cts Composite Technologie Systeme Gmbh Vorrichtung zur Schalldämpfung an Bahngleisen
DE202021101120U1 (de) 2021-03-05 2022-06-08 KRAIBURG STRAIL GmbH & Co. KG Schalldämmwandelement für eine Gleisanlage
DE202022102882U1 (de) 2022-05-25 2022-07-26 KRAIBURG STRAIL GmbH & Co. KG Schalldämmwandelement für eine Gleisanlage

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AT7753U1 (de) * 2004-03-16 2005-08-25 Lerchbaumer Dieter Dr Schienenschallschutzelement

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AT7753U1 (de) * 2004-03-16 2005-08-25 Lerchbaumer Dieter Dr Schienenschallschutzelement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT12560U1 (de) * 2011-08-02 2012-07-15 Kassecker Gmbh Schallschutzvorrichtung für schienenwege
AT12569U1 (de) * 2011-08-02 2012-08-15 Kassecker Gmbh Gründung einer schallschutzvorrichtung für schienenwege
EP2554744A3 (fr) * 2011-08-02 2014-07-23 KASSECKER GmbH Dispositif d'isolation acoustique pour voies ferrées et système composé d'un dispositif d'isolation acoustique et d'une voie ferrée
EP3135813A1 (fr) * 2015-08-27 2017-03-01 KRAIBURG STRAIL GmbH & Co. KG Dispositif d'isolation acoustique pour voies ferrees
CN109677442A (zh) * 2019-01-03 2019-04-26 中车齐齐哈尔车辆有限公司 轮对轨距变换装置

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EP2210978A3 (fr) 2012-08-29

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