EP0767275A1 - Absorbeur de bruit pour la superstructure d'une voie ferrée sans ballast - Google Patents

Absorbeur de bruit pour la superstructure d'une voie ferrée sans ballast Download PDF

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Publication number
EP0767275A1
EP0767275A1 EP96116035A EP96116035A EP0767275A1 EP 0767275 A1 EP0767275 A1 EP 0767275A1 EP 96116035 A EP96116035 A EP 96116035A EP 96116035 A EP96116035 A EP 96116035A EP 0767275 A1 EP0767275 A1 EP 0767275A1
Authority
EP
European Patent Office
Prior art keywords
sound
layer
sound absorber
shaped bodies
openings
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
Application number
EP96116035A
Other languages
German (de)
English (en)
Other versions
EP0767275B1 (fr
Inventor
Dietrich Dipl.-Ing. Matten
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.)
Deutsche Asphalt GmbH
Philipp Holzmann AG
Original Assignee
Deutsche Asphalt GmbH
Philipp Holzmann AG
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 Deutsche Asphalt GmbH, Philipp Holzmann AG filed Critical Deutsche Asphalt GmbH
Publication of EP0767275A1 publication Critical patent/EP0767275A1/fr
Application granted granted Critical
Publication of EP0767275B1 publication Critical patent/EP0767275B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/008—Drainage of track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • 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
    • E01B2/00—General structure of permanent way
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/09—Ballastless systems
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material

Definitions

  • the present invention relates to a sound absorber for a ballastless railway superstructure, consisting of moldings with sound-absorbing properties arranged between and next to the rails on the supporting plate of the superstructure.
  • DE 37 36 943 C1 proposes a sound-absorbing material, such as, for example, on a supporting plate made of reinforced concrete next to and between the rails.
  • the pores of the aggregate concrete become clogged with dirt particles over time, so that there is no long-term effective drainage of the track and the sound absorption is reduced.
  • the object of the present invention is to provide a further, improved sound absorber for solid carriageways.
  • this object is achieved by means of a sound absorber of the type mentioned at the outset in that the moldings consist of a water-impermeable, load-bearing concrete layer and a sound-absorbing layer of bonded aggregate arranged above it, a large number of openings being provided, both layers or only the load-bearing concrete layer in the enforce substantially vertically, and the moldings are elastically supported on the support plate.
  • the water-impermeable load-bearing concrete layer provides the required strength and the sound-absorbing layer the desired noise reduction, the load-bearing concrete layer being interspersed with a large number of openings in order to discharge the rain or surface water that seeps through the sound-absorbing layer.
  • the elastic support decouples the molded bodies from the support plate in the low-frequency range. This avoids natural vibrations of the moldings and the associated noise emission.
  • the distance between the shaped bodies and the supporting plate can be increased by elevations, as is necessary with superimposed systems, in which case the elastic intermediate layer is arranged under the elevation surfaces.
  • the openings provided in the load-bearing concrete layer continue through the sound-absorbing layer.
  • the through openings created thereby ensure that the suction effect of high-speed trains on the moldings is significantly weakened, since air can flow in.
  • Another advantage of the through openings is that at least part of the surface water flows directly through these openings, that is, not the way through the sound absorbing Layer takes through, and that the rinsing is easier when cleaning the moldings required.
  • the openings completely penetrating the molded bodies do not reduce the sound absorption behavior of the molded bodies; on the contrary, this is even somewhat improved by the enlarged surface of the sound absorbing layer.
  • Fig. 2 shows a cross section through a solid roadway, which has a reinforced concrete slab 2, which is continuously reinforced and concreted on a hydraulically bound base layer 3.
  • a frost protection layer 4 forms the lower end of the ballastless superstructure. All layers of the superstructure are covered laterally by a ballast fill 5.
  • the rails 6 are fastened to the reinforced concrete plate 2 via individual support points 7.
  • the reinforced concrete slab 2 is covered with moldings 1 according to the invention, which are stretched over elastic plastic strips 8, e.g. Neoprene or rubber, with appropriate damping behavior are supported on it.
  • elastic plastic strips 8 e.g. Neoprene or rubber, with appropriate damping behavior are supported on it.
  • Three plastic strips 8 are provided for each molded body 1 - one at the edge and one strip 8 in the middle. The plastic strips 8 are arranged transversely to the rails in order not to hinder the water drainage below the molded body 1.
  • the molded bodies 1 consist of a water-impermeable, load-bearing concrete layer 9, which can also be reinforced, and a sound-absorbing layer 10.
  • This layer 10 can consist, for example, of aerated concrete, a mixture of aerated concrete and large-grain rubber granulate or other porous building materials.
  • the moldings 1 are manufactured as finished parts.
  • the sound-absorbing layer 10 is somewhat thicker than the load-bearing concrete layer 9.
  • care must be taken to ensure that the load-bearing concrete layer 9 must have a certain minimum thickness in order to fulfill its functions, namely to ensure the necessary strength of the molded body 1 and to load the vehicle when driving on motor vehicles.
  • the height of the load-bearing concrete layer 9 should, for example, be at least 10 cm.
  • a Shaped body 1 are arranged on the outside next to the rails 6 and two shaped bodies 1 between the rails 6, so that the entire width of the solid carriageway is covered. Only the areas directly next to the rails 6, at the individual support points 7, areas for signaling and safety-related elements and fastening points for rail earth electrodes are left free.
  • the molded bodies 1 are all constructed identically, which simplifies storage and laying. Each molded body 1 comprises several individual support points 7, their length being adapted to their grid. Of course, shorter shaped bodies 1 can also be used.
  • the molded bodies 1 each have two mounting openings 11, into which hooks etc. can be used when laying or picking up, which makes these activities easier.
  • the side surfaces of the molded bodies 1 are inclined outwards, so that the area to be kept clear next to the rails 6 can be kept very small.
  • the side faces of the molded bodies 1 facing the rails 6 are offset in order to have a not too wide gap to the rails 6 and at the same time have enough space for the base plate of the individual support points 7. This training ensures that all screws and clamps of the individual support points 7 can be viewed and replaced if necessary.
  • the longitudinal gaps 12 and transverse gaps 13 formed between them differ, as a result of which the water drainage and also the possibility of cleaning are improved.
  • the longitudinal and transverse gaps 12 and 13 there can be no blockages due to larger objects such as leaves etc. due to this gap shape which widens downwards.
  • the molded bodies 1 have a multiplicity of openings 14 with a circular cross section, which completely penetrate the molded bodies 1 as through openings.
  • these openings 14 are only shown in FIG. 1 for one of the left molded bodies. From Fig. 3 it can be seen that these openings 14, as well as the longitudinal and transverse gaps 12 and 13, diverge downward, which also counteracts blockages of these openings 14.
  • the taper of the openings 14 also facilitates the shaping of the shaped bodies 1 during manufacture, which also applies to the inclination of the side surfaces of the shaped bodies 1.
  • FIG. 4 shows a further embodiment of a molded body 1 according to the invention.
  • openings 14 with a likewise conical cross section are provided only in the load-bearing concrete layer 9, while the sound-absorbing layer 10 is closed. Rain or surface water seeps through the layer 10 and then flows out through the openings 14 and the gap between the underside of the molded body 1 and the reinforced concrete plate 2.
  • FIG. 5 shows an embodiment in which channels 15 are provided in the sound-absorbing layer, which in the installed position of the shaped bodies 1 extend transversely to the rails 6. These transverse channels 15 have a slope to the longitudinal gaps 12 or to the outside. Since the transverse channels 15 are quite short, part of the water flows out via the channels 14 when it rains, since it does not have enough time to infiltrate the sound-absorbing layer 10.
  • the molded body 1 is supported on two lateral edge strips 8 made of plastic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Railway Tracks (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Road Paving Structures (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
EP96116035A 1995-10-07 1996-10-07 Absorbeur de bruit pour la superstructure d'une voie ferrée sans ballast Expired - Lifetime EP0767275B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29515935U 1995-10-07
DE29515935U DE29515935U1 (de) 1995-10-07 1995-10-07 Schallabsorber für einen schotterlosen Eisenbahnoberbau

Publications (2)

Publication Number Publication Date
EP0767275A1 true EP0767275A1 (fr) 1997-04-09
EP0767275B1 EP0767275B1 (fr) 2000-03-22

Family

ID=8013868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96116035A Expired - Lifetime EP0767275B1 (fr) 1995-10-07 1996-10-07 Absorbeur de bruit pour la superstructure d'une voie ferrée sans ballast

Country Status (3)

Country Link
EP (1) EP0767275B1 (fr)
AT (1) ATE191028T1 (fr)
DE (2) DE29515935U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407062B (de) * 1998-12-17 2000-12-27 Schmaranz Ing Rudolf Lärmschutzeinrichtung für gleisanlagen
AU738889B2 (en) * 1996-05-29 2001-09-27 Gmundner Fertigteile Gesellschaft M.B.H. & Co. Kg A noise control device for tracks
JP2013036301A (ja) * 2011-08-11 2013-02-21 Kajima Corp 振動低減構造および振動低減構造の構築方法
CN113136745A (zh) * 2020-01-17 2021-07-20 洛阳双瑞橡塑科技有限公司 一种轨道道床吸音减振装置
EP4303362A1 (fr) * 2022-07-05 2024-01-10 Kirchdorfer Fertigteilholding GmbH Panneau de recouvrement de voie ferrée

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29515935U1 (de) * 1995-10-07 1995-11-30 Deutsche Asphalt GmbH, 63263 Neu-Isenburg Schallabsorber für einen schotterlosen Eisenbahnoberbau
DE19625249C2 (de) * 1996-06-17 1998-07-02 Projektgemeinschaft Feste Fahr Lagestabiler Gleiskörper aus Betonfertigteilen sowie Verwendung von Betonfertigteilen für diesen Gleiskörper
DE19706708C2 (de) * 1997-02-20 1999-05-20 Contitech Holding Gmbh Vorrichtung zur Schalldämpfung einer festen Fahrbahn
DE29705321U1 (de) * 1997-03-25 1997-05-22 Frottier, Jean-Pierre, 65203 Wiesbaden Schienengleis mit Schallschluckmaßnahmen
DE10123660C1 (de) * 2001-05-15 2002-12-19 Pfleiderer Infrastrukturt Gmbh Feste Fahrbahn mit elastisch aufgelagerten Schallabsorberelementen
CN115810340B (zh) * 2021-09-13 2026-01-30 内蒙古京能苏尼特风力发电有限公司 现场施工用降噪装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8518789U1 (de) * 1985-06-28 1985-09-05 Schulte & Hennes Gmbh Betonwerke & Co, 5779 Eslohe Lärmschutzplatte aus Beton
AT382178B (de) * 1985-10-02 1987-01-26 Getzner Chemie Gmbh & Co Gleiskoerper
DE3736943C1 (de) 1987-10-31 1988-12-08 Dyckerhoff & Widmann Ag Eisenbahnoberbau,insbesondere fuer sehr hohe Fahrgeschwindigkeiten
DE3827547A1 (de) * 1988-08-13 1990-03-15 Zueblin Ag Schallabsorptionskonstruktion fuer schotterlose eisenbahnoberbauten
DE9005163U1 (de) * 1990-05-07 1990-07-12 Reiff-Beton-Rohr GmbH & Co KG, 5473 Kruft Lärmschutzwand
EP0404756A2 (fr) * 1989-06-19 1990-12-27 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Superstructure équipée de rails et son procédé d'obtention
DE4104731A1 (de) * 1991-02-15 1992-08-20 Kraiburg Gummi Verbundkoerper aus vulkanisiertem altgummimaterial
DE4240874A1 (de) * 1992-12-04 1994-06-09 Schuell Ulrike Dipl Ing Bauelement zur Verwendung im Tiefbau
DE29515935U1 (de) * 1995-10-07 1995-11-30 Deutsche Asphalt GmbH, 63263 Neu-Isenburg Schallabsorber für einen schotterlosen Eisenbahnoberbau

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8518789U1 (de) * 1985-06-28 1985-09-05 Schulte & Hennes Gmbh Betonwerke & Co, 5779 Eslohe Lärmschutzplatte aus Beton
AT382178B (de) * 1985-10-02 1987-01-26 Getzner Chemie Gmbh & Co Gleiskoerper
DE3736943C1 (de) 1987-10-31 1988-12-08 Dyckerhoff & Widmann Ag Eisenbahnoberbau,insbesondere fuer sehr hohe Fahrgeschwindigkeiten
DE3827547A1 (de) * 1988-08-13 1990-03-15 Zueblin Ag Schallabsorptionskonstruktion fuer schotterlose eisenbahnoberbauten
EP0404756A2 (fr) * 1989-06-19 1990-12-27 Allgemeine Baugesellschaft - A. Porr Aktiengesellschaft Superstructure équipée de rails et son procédé d'obtention
DE9005163U1 (de) * 1990-05-07 1990-07-12 Reiff-Beton-Rohr GmbH & Co KG, 5473 Kruft Lärmschutzwand
DE4104731A1 (de) * 1991-02-15 1992-08-20 Kraiburg Gummi Verbundkoerper aus vulkanisiertem altgummimaterial
DE4240874A1 (de) * 1992-12-04 1994-06-09 Schuell Ulrike Dipl Ing Bauelement zur Verwendung im Tiefbau
DE29515935U1 (de) * 1995-10-07 1995-11-30 Deutsche Asphalt GmbH, 63263 Neu-Isenburg Schallabsorber für einen schotterlosen Eisenbahnoberbau

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU738889B2 (en) * 1996-05-29 2001-09-27 Gmundner Fertigteile Gesellschaft M.B.H. & Co. Kg A noise control device for tracks
AT407062B (de) * 1998-12-17 2000-12-27 Schmaranz Ing Rudolf Lärmschutzeinrichtung für gleisanlagen
JP2013036301A (ja) * 2011-08-11 2013-02-21 Kajima Corp 振動低減構造および振動低減構造の構築方法
CN113136745A (zh) * 2020-01-17 2021-07-20 洛阳双瑞橡塑科技有限公司 一种轨道道床吸音减振装置
EP4303362A1 (fr) * 2022-07-05 2024-01-10 Kirchdorfer Fertigteilholding GmbH Panneau de recouvrement de voie ferrée

Also Published As

Publication number Publication date
DE29515935U1 (de) 1995-11-30
ATE191028T1 (de) 2000-04-15
EP0767275B1 (fr) 2000-03-22
DE59604746D1 (de) 2000-04-27

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