EP1889975A1 - Dispositif d'amortissement des bruits - Google Patents

Dispositif d'amortissement des bruits Download PDF

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Publication number
EP1889975A1
EP1889975A1 EP06017030A EP06017030A EP1889975A1 EP 1889975 A1 EP1889975 A1 EP 1889975A1 EP 06017030 A EP06017030 A EP 06017030A EP 06017030 A EP06017030 A EP 06017030A EP 1889975 A1 EP1889975 A1 EP 1889975A1
Authority
EP
European Patent Office
Prior art keywords
soundproofing
arrangement according
profile
profile element
sound
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Withdrawn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
EP06017030A
Other languages
German (de)
English (en)
Inventor
Wisnieuwski Peter
Herbert Müller
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.)
Calenberg Ingenieure planmassig elastisch lagern GmbH
Original Assignee
Calenberg Ingenieure planmassig elastisch lagern 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 Calenberg Ingenieure planmassig elastisch lagern GmbH filed Critical Calenberg Ingenieure planmassig elastisch lagern GmbH
Priority to EP06017030A priority Critical patent/EP1889975A1/fr
Priority to CN200610167573.9A priority patent/CN101126224B/zh
Priority to TW096108153A priority patent/TW200811334A/zh
Publication of EP1889975A1 publication Critical patent/EP1889975A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0064—Perforated plate or mesh, e.g. as wall facing
    • E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
    • 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 soundproofing arrangement referred to in the preamble of claim 1 Art.
  • Such soundproofing arrangements are well known, for example by DE 78 01 086 U1 .
  • DE 29 35 745 C2 and CH 647 027 They serve for temporary or permanent sound insulation in the area of sound sources.
  • the invention has for its object to provide a sound insulation arrangement referred to in the preamble of claim 1 species whose structure is further simplified and thus designed even more cost-effective.
  • the invention is based on the idea that, while maintaining the excellent sound insulation properties of a flexible soundproofing element in principle also to those of the prior art known clamping means for tensioning the soundproofing element can dispense, if a substantially dimensionally stable support member is provided which carries the soundproofing element and is connectable or connected, for example, with an external support structure.
  • the support element is formed by a pultruded profile element.
  • the soundproofing arrangement according to the invention can also be used where it is exposed to high dynamic loads, for example on high-speed railway lines.
  • the soundproofing arrangement according to the invention is particularly suitable for such applications.
  • a particularly effective sound insulation is achieved on the soft soundproofing element.
  • the pultruded profile element which forms the support element of the soundproofing arrangement according to the invention, also withstands high static and dynamic loads.
  • the soundproofing arrangement according to the invention thus combines a particularly effective sound insulation with particularly low production costs.
  • the pultrusion process is a process for producing fiber-reinforced profiles, in particular plastic profiles, in a continuous process.
  • reinforcing fibers are guided via a dipping roller in a resin tub, wherein a Kadier grid provides the desired distribution of the fibers in the later profile.
  • the fibers are soaked in the resin tub, for example, with synthetic resin and placed in appropriate preform stations in the desired shape of the profile. If required according to the respective requirements, further reinforcement material, for example mats, fabrics or nonwovens, can be introduced into the profile.
  • the profile is cured, for example, at 100-200 ° in a stencil.
  • a profile element of desired length can be produced by cutting the profile strand formed in the pultrusion process.
  • a particular advantage of the pultrusion process is that profile strands of almost any length can be formed.
  • a combination of a non-supporting flexurally soft soundproofing element is thus provided with a supporting, substantially dimensionally stable support member.
  • a single, preferably flat design support element is provided.
  • two or more support elements may be provided, whose shape, size and number can be selected within wide limits according to the respective requirements.
  • a particular advantage of the soundproofing arrangement according to the invention is that it can basically be constructed completely metal-free. This is advantageous both with regard to the use of the soundproofing arrangement on railway lines and with regard to recycling.
  • the soundproofing arrangement has a single soundproofing element.
  • at least two soundproofing elements may also be present, the shape and size of which can be selected within wide limits in accordance with the respective requirements.
  • the profile element according to the invention consists of fiber-reinforced material, in particular fiber-reinforced plastic and / or fiber reinforced concrete and / or fiber reinforced polymer concrete, wherein the material of the profile element may preferably be reinforced with glass fibers and / or metal fibers and / or aramid fibers or the like, as provided by a further development , Such materials are relatively inexpensive and have high strength.
  • the profile element is formed at least partially open sound side and on its side facing away from sound has a support surface for the soundproofing element.
  • the sound impinges on the flexible soundproofing element, so that the excellent sound insulation properties of a flexible soundproofing element are maintained.
  • Supporting element according to the invention on its side facing away from sound has a support surface for the soundproofing element, excessive deflections of the soundproofing element are reliably avoided.
  • additional clamping means as required in the prior art for this purpose, according to the invention in principle no longer necessary. Since the support element is particularly simple and inexpensive to produce, according to the invention results in a particularly simple and thus cost-effective design of the soundproofing arrangement according to the invention, which has excellent sound insulation properties due to the use of a flexible soundproofing element.
  • the profile element at its free edge at least partially has a fold.
  • the fold may, for example and in particular to the support surface at an angle of about 90 °. By bending the dimensional stability of the support element is further increased.
  • the soundproofing element can be supported on or on the fold in this embodiment.
  • the fold extends along the lateral edges and / or the lower edge and / or the upper edge of the profile element.
  • the soundproofing element can be supported in the region of the lateral edges on the fold and / or in the region of the lower edge of the profile element on the fold.
  • a corresponding fold can also be provided in the region of the upper edge of the profile element.
  • the support member is formed to a certain extent torsionally soft. If there is a different distortion of the lateral, ie vertical edges of the profile element under sonic load, resulting from the torsional softness of the profile element from this only low stresses of the profile element and only low stresses in the profile element.
  • the profile element is formed by a sound incidence side open profile. In this way, the sound applies substantially over the entire surface of the soft sound-absorbing element, so that the advantages of a flexurally soundproofing element, in particular with regard to its excellent sound insulation properties, are maintained.
  • the support element can be pierced on its side facing away from the sound or provided with openings as long as a support of the soundproofing element is achieved by the support surface in the required manner.
  • An advantageous development of the teaching of the invention provides that the profile element is closed on its side facing away from the sound or formed substantially closed. In this way, on the one hand, a large-area support of the soundproofing element is achieved by the support surface.
  • the soundproofing element of the sound side facing away from the profile element is not accessible here, so that it is protected, for example against vandalism from this page.
  • the support element is formed substantially plate or cup-like.
  • the profile element has stiffening means in the region of the support surface and / or in the region of the fold.
  • stiffening means associated with the support surface are arranged on the side of the support surface facing away from the soundproofing element. In this way, there are considerable freedom in terms of the shape, size and number of stiffening elements.
  • stiffening means In order to make the stiffening means simple and inexpensive and at the same time effective, a development of the embodiment with the stiffening means provides that they have at least one stiffening rib and / or at least one stiffening bead.
  • the soundproofing element can be firmly connected to the profile element.
  • An advantageous development of the teaching of the invention provides that the soundproofing element is detachably connected to the profile element.
  • the soundproofing element and the profile element can be separated transported from each other and connected only on site.
  • the attachment of the soundproofing element to the profile element can be done in any suitable manner and by means of any suitable fastening means, for example via any terminal connections.
  • the soundproofing element can be fastened to the profile element at any suitable location.
  • An advantageous development of the teachings according to the invention provides that the soundproofing element is fastened to the support surface.
  • the soundproofing element can be glued to the profile element, as provided by another advantageous development.
  • the connection of the soundproofing element to the support element is particularly simple.
  • the profile element is formed flat and preferably extends substantially over the entire extent of the soundproofing element.
  • the soundproofing element provided according to the invention may, for example, consist of two webs of bendable material connected to one another by means of a connecting web, as is known from US Pat DE 199 56 669 A1 is known, the content of which is hereby incorporated by reference in the present application.
  • the flexible soft soundproofing element can also be formed in another way, for example by one in a sheath, preferably made of textile material consists, recorded sound-absorbing filling, which consists for example of mineral wool, foam, a granule, a mortar or lime or a lime mixture.
  • a first embodiment of a soundproofing arrangement 2 according to the invention which has a bending soft soundproofing element 4 and a substantially dimensionally stable support member which carries the soundproofing element 4 and is formed according to the invention by a pultruded profile element 6.
  • the pultruded profile element 6 is according to the invention produced in a pultrusion process and consists in this embodiment of glass fiber reinforced plastic.
  • the profile element is like a shell and sound inlet side open, wherein the sound incidence direction is indicated in Fig. 1 by an arrow.
  • the profile element 6 On the sound side facing away from the soundproofing element 4, the profile element 6 has a support surface, which is formed in this embodiment on a closed rear wall 10 of the profile element 6.
  • the profile element 6 has in this embodiment at its upper and lower edge in each case a fold 12 and 14 which extends at an angle of approximately 90 ° to the rear wall 10. As can be seen from Fig. 1, corresponds to the clear width between the folds 12, 14 substantially the height of the soundproofing element 4, which is thus tightly received between the folds 12, 14 and is supported on the fold 14.
  • the profile element 6 in this embodiment has lateral walls 16, 18.
  • the clear width between the walls 16, 18 corresponds in this embodiment substantially the width of the soundproofing element 4, so that the soundproofing element 4 is tightly received between the walls 16, 18.
  • the lateral walls are formed by separate components, in any suitable manner with the profile element 6 are connected, for example by gluing.
  • the profile element 6 in this exemplary embodiment has a reinforcing rib 20 extending in its longitudinal direction, which has been molded onto the profiled element 6 by means of pultrusion in this embodiment during production ,
  • the reinforcing rib 20 is removed in the region of the longitudinal ends 22, 24, for example by milling.
  • the open ends of the stiffening rib are closed by corresponding covers, of which in Fig. 2, only a cover 26 can be seen.
  • the cover 26 may be glued to the stiffening rib 20, for example.
  • FIG. 3 shows a horizontal section through the soundproofing arrangement 2 according to FIG. 1.
  • the soundproofing arrangement 2 is held in the mounting position shown in FIG. 3 on an external support structure, which in this exemplary embodiment has two laterally spaced-apart supports 28, 30 has.
  • the carriers 28, 30 have a double-T-shaped. Cross-section on.
  • FIG. 5 shows a view of the soundproofing arrangement 2 from the front, ie from the sound incidence side.
  • FIG. 6 shows a vertical section through the soundproofing arrangement 2 according to FIG. 1.
  • FIG. 7 shows a perspective front view of a wall element 32 of a soundproof wall, which consists of the supports 28, 30, between which the soundproofing arrangement 2 and further soundproofing arrangements according to the invention are vertically arranged one above the other, of which in FIG. 7 only one further soundproofing arrangement with the reference numeral 2 'is provided.
  • FIG. 8 shows a perspective rear view of the wall element 32.
  • FIG. 9 shows a soundproof wall 34, which consists of a plurality of adjacently arranged wall elements 32 according to FIG. 7, of which besides the wall element 32 in FIG. 9 only one further wall element is provided with the reference sign 32 '.
  • FIG. 10 shows a perspective rear view of the soundproof wall 34.
  • a plurality of soundproofing arrangements 2 according to the invention can be combined to form wall elements 32 and soundproof walls 34 of virtually any size.
  • the operation of the soundproofing arrangement 2 according to the invention is as follows:
  • the soft sound-absorbing element 4 absorbs the sound, being supported by the profile element 6 and held on the supports 28, 30 of the external support structure. Due to the support surface which forms the rear wall of the profile element 6, excessive deflections of the soundproofing element 4 in the sound propagation direction are avoided under the effect of air pressure.
  • air pressure wave is generated, which hits the soundproofing element 4.
  • the soundproofing arrangement 2 according to the invention Due to the use of a flexurally soundproofing element 4, the soundproofing arrangement 2 according to the invention has excellent soundproofing properties. It is also particularly simple and inexpensive to produce, which is based primarily on the fact that according to the invention a pultruded profile element is used. In addition, the soundproofing arrangement 2 according to the invention has a particularly low weight, which makes additional lifting tools basically superfluous during installation.
  • the soundproofing arrangement 2 according to the invention can be used in many ways and is particularly suitable for retrofitting on railway lines, in particular high-speed lines.
  • a second embodiment of a soundproofing arrangement 2 according to the invention is shown, which differs from the embodiment of FIG. 1 in that it is designed for lower dynamic loads. Accordingly, in the embodiment of FIG. 11 provided in the embodiment of FIG. 1 stiffening rib is omitted.
  • the embodiment according to FIG. 11 differs from the exemplary embodiment according to FIG. 1 in that the bending-soundproofing element 4 is formed by a block 36 which consists of mineral fiber in this embodiment.
  • a sound-permeable mesh fabric 38 made of stainless or galvanized wire is provided.
  • the mesh fabric 38 is pushed onto the block 36 with lateral folds.
  • the lateral wall 16 is adhered to the profile element 6, and the block 36 is inserted together with the mesh fabric 38 in the longitudinal direction in the profile element 6 until it comes to rest on the lateral wall 16.
  • the other lateral wall 18 can be glued to the profile element 6.
  • Fig. 12 shows the embodiment of FIG. 11 in the assembled state.
  • FIG. 13 shows a horizontal section through a soundproof wall 40, which is composed of several soundproofing elements 2 according to FIG. 11.
  • the soundproofing element 2 and a further soundproofing element 2 ' are held on a support 42, which has a double-T-shaped cross-section.
  • a T-shaped profile 44 is connected, which serves for connecting a strut 46, which supports the soundproofing wall thus formed against the ground.
  • the illustrated in Fig. 11 embodiment of the soundproofing arrangement 2 according to the invention is particularly well suited as a temporary or permanent sound insulation, for example, at construction sites.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Thermistors And Varistors (AREA)
EP06017030A 2006-08-16 2006-08-16 Dispositif d'amortissement des bruits Withdrawn EP1889975A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06017030A EP1889975A1 (fr) 2006-08-16 2006-08-16 Dispositif d'amortissement des bruits
CN200610167573.9A CN101126224B (zh) 2006-08-16 2006-12-22 隔声装置
TW096108153A TW200811334A (en) 2006-08-16 2007-03-09 Sound isolation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06017030A EP1889975A1 (fr) 2006-08-16 2006-08-16 Dispositif d'amortissement des bruits

Publications (1)

Publication Number Publication Date
EP1889975A1 true EP1889975A1 (fr) 2008-02-20

Family

ID=37603152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06017030A Withdrawn EP1889975A1 (fr) 2006-08-16 2006-08-16 Dispositif d'amortissement des bruits

Country Status (3)

Country Link
EP (1) EP1889975A1 (fr)
CN (1) CN101126224B (fr)
TW (1) TW200811334A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009155627A1 (fr) * 2008-06-27 2009-12-30 Wolfgang Brunbauer Mur antibruit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3062320T3 (pl) 2015-02-27 2018-03-30 Siemens Aktiengesellschaft Układ do redukcji emisji dźwięku przez chłodzone cieczą transformatory lub dławiki

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445381A1 (fr) * 2003-02-06 2004-08-11 Placo S.r.l. Barrière anti-bruit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438171A (en) * 1992-01-22 1995-08-01 Carsonite International Corporation Composite sound wall
NL1009264C2 (nl) * 1998-05-26 1999-11-29 Mostert De Winter B V Geluidswerende wand voor opstelling langs een spoorbaan of verkeersweg.
EP1119662B1 (fr) * 1998-10-06 2006-06-21 Röhm GmbH & Co. KG Panneau utilise comme paroi antibruit
DE19906989A1 (de) * 1999-02-19 2000-09-14 Roehm Gmbh Lärmschutzwandsegment
JP2004062074A (ja) * 2002-07-31 2004-02-26 Toyota Motor Corp 吸音装置
CN100389239C (zh) * 2005-09-30 2008-05-21 北京市伟力达科技贸易公司 一种新型材料的吸隔声共体声屏障及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1445381A1 (fr) * 2003-02-06 2004-08-11 Placo S.r.l. Barrière anti-bruit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009155627A1 (fr) * 2008-06-27 2009-12-30 Wolfgang Brunbauer Mur antibruit

Also Published As

Publication number Publication date
CN101126224B (zh) 2018-04-06
TW200811334A (en) 2008-03-01
CN101126224A (zh) 2008-02-20

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