EP1148175A1 - Lärmschutzwand - Google Patents

Lärmschutzwand Download PDF

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Publication number
EP1148175A1
EP1148175A1 EP01660069A EP01660069A EP1148175A1 EP 1148175 A1 EP1148175 A1 EP 1148175A1 EP 01660069 A EP01660069 A EP 01660069A EP 01660069 A EP01660069 A EP 01660069A EP 1148175 A1 EP1148175 A1 EP 1148175A1
Authority
EP
European Patent Office
Prior art keywords
wall
noise
sheet
damping board
metal
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Withdrawn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
EP01660069A
Other languages
English (en)
French (fr)
Inventor
Aarno Oinonen
Markku Rautio
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.)
Tielaitos Tuotanto
Original Assignee
Tielaitos Tuotanto
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 Tielaitos Tuotanto filed Critical Tielaitos Tuotanto
Publication of EP1148175A1 publication Critical patent/EP1148175A1/de
Withdrawn legal-status Critical Current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
    • E01F8/0023—Details, e.g. foundations
    • 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
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
    • E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
    • E01F9/681—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like the sign posts being fastened by removable means, e.g. screws or bolts

Definitions

  • the present invention relates to a noise barrier element as defined in the preamble of claim 1.
  • the invention concerns a noise barrier for obstructing the propagation of traffic noise from traffic routes, and especially a noise barrier element used to construct such a noise barrier.
  • the noise barrier element comprises a first sheet-metal wall, i.e. a front wall, which is the wall facing toward the noise source and is provided with perforations.
  • the element comprises a second sheet-metal wall, i.e. a back wall, which is a solid and continuous wall parallel to the first wall and spaced from it by an interior space between the first and second walls.
  • Noise damping material is provided in the interior space between the walls.
  • This type of noise barrier elements are known e.g. from specifications FI 92342 B, CH 672 932, EP 0 527 115 A1 and WO 98/58127.
  • the element comprises a pipe or equivalent placed between a mineral wool layer used as noise damping material and the bottom wall of the element, said pipe supporting the noise damping mineral wool.
  • a problem with such a solution is that, with time, the mineral wool sinks to the bottom of the element, with the result that the noise damping capacity of the element is reduced.
  • the mineral wool also has to be kept clear of contact with the perforated front wall so that the wool filling remains separated by a small distance from the front wall, because otherwise the wool would absorb water directly through the perforations, the wool would be exposed and susceptible to being torn by birds, there would be no ventilation inside the element and no space to allow for expansion resulting from freezing of the water absorbed by the wool.
  • FI 92342 B provides a solution in which the small sheet-metal portions (punchings) remaining after the perforations have been made in the front wall are left sticking to the front wall and pointing toward the inside of the element.
  • the sharp-edged punchings are an impediment to the handling of the sheet-metal parts during assembly, constituting a work safety risk.
  • the punchings form a considerable addition to the total area of the structure. If the front wall part is to be completely protected against corrosion on the inside e.g. by applying an anti-corrosion agent on the surface, then a considerable amount of corrosion preventing agent will be spent on corrosion protection of the punchings.
  • the object of the invention is to eliminate the above-mentioned drawbacks.
  • the object of the invention is to disclose a noise barrier element having a structure as simple and cheap as possible.
  • a further object of the invention is to disclose a noise barrier element in which the noise damping board is so mounted that it will reliably remain in a desired position inside the element.
  • the noise barrier element of the invention is characterized by what is presented in claim 1.
  • the noise damping board is fastened to a second sheet-metal wall with glue.
  • the invention has the advantage that the noise damping board does not require any other support besides being glued on one side to the second sheet-metal wall.
  • the thickness of the noise damping board is less than the distance between the first and second sheet-metal walls.
  • the noise damping board consists of mineral wool or fiberglass board.
  • the noise barrier element comprises a bottom wall and a top wall, both extending between the first and second sheet-metal walls.
  • the width of the noise damping board has been fitted to be substantially smaller than the distance between the bottom wall and the top wall.
  • the noise damping board is so disposed that an intermediate space is formed between the lower edge of the noise damping board and the bottom wall.
  • the box-like frame of the noise barrier element consists of a sheet-steel front part facing toward the noise source and bent into a substantially C-shaped profile and a mainly planar back plate.
  • the front part comprises a perforated first sheet-metal wall, a bottom wall and a top wall and, at its longitudinal edges, mounting flanges parallel to and directed toward each other.
  • the back plate forms the aforesaid second sheet-metal wall and is fastened by its longitudinal edges to the mounting flanges.
  • the box-like frame of the noise barrier element has been formed from high-strength sheet steel, so the weight of the element can be reduced by as much as 25% as compared with prior-art elements.
  • Fig. 1 shows a stretch of a noise barrier
  • Fig. 2 shows a cross-section of it.
  • the noise barrier comprises a base 13 mounted in the ground and columns 14 fastened to the base and placed at a distance from each other.
  • Elongate rectangular noise barrier elements 15 absorbing and reflecting traffic noise have been arranged one upon the other and fastened by their ends to the columns 14.
  • FIGS 3 and 4 illustrate the structure of the noise barrier element 15.
  • the noise barrier element 15 comprises a first sheet-metal wall 1, which is the wall placed on the side facing toward the noise source and is provided with perforations 2.
  • the second sheet-metal wall 3 is a solid and continuous wall parallel to the first wall and placed at a distance L from it, so that an interior space 4 is formed between the first and second walls.
  • Placed in the interior space 4 is a piece of noise damping board 5 made of sound absorbing material.
  • the noise damping board 5, which may be a piece of mineral wool or fiberglass board, is glued fast on the second sheet-metal wall 3.
  • the element comprises a bottom wall 6 and a top wall 7 extending between walls 1 and 3.
  • the top and bottom walls additionally have a complementary shape with respect to each other so that, when placed one upon the other, the elements 15 will be guided into a certain position relative to each other, as illustrated in Fig. 2.
  • the width 1 of the noise damping board 5 has been fitted to be substantially smaller than the distance l 1 between the bottom wall 6 and the top wall 7.
  • the noise damping board 5 is glued fast on the second wall 3 so that an intermediate space 9 is formed between the lower edge 8 of the noise damping board 5 and the bottom wall 6.
  • the thickness s of the noise damping board 5 is smaller than the distance L between the first and second walls.
  • the casing of the noise barrier element consists of two parts, a sheet-metal front part 10 placed on the side facing toward the noise source and bent into a C-shaped profile, comprising a perforated first sheet-metal wall 1, a bottom wall 6, a top wall 7 and, at the longitudinal edges, mounting flanges 11 parallel to each other and directed toward each other, and a planar back plate 12 forming the aforesaid second sheet-metal wall 3, which is fastened by its longitudinal edges to the mounting flanges 11 e.g. via bolted joints 16.
  • the box-like frame is preferably formed from high-strength sheet steel, in which case its wall thickness may be very small and the weight of the element may be as much as 25% smaller than that of previously known elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
EP01660069A 2000-04-17 2001-04-17 Lärmschutzwand Withdrawn EP1148175A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20000916A FI113198B (fi) 2000-04-17 2000-04-17 Meluaitaelementti
FI20000916 2000-04-17

Publications (1)

Publication Number Publication Date
EP1148175A1 true EP1148175A1 (de) 2001-10-24

Family

ID=8558228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01660069A Withdrawn EP1148175A1 (de) 2000-04-17 2001-04-17 Lärmschutzwand

Country Status (2)

Country Link
EP (1) EP1148175A1 (de)
FI (1) FI113198B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295991A1 (de) * 2001-09-20 2003-03-26 Thomas Lorenz Industrietechnik Schallschutzelement
EP1475479A3 (de) * 2003-05-08 2005-11-23 Berlinische Landschaftsbau GmbH Zu begrünende Lärmschutzwand
EP1760210A3 (de) * 2005-08-31 2009-03-11 Francesco Donati Schalldämmende Vorrichtung zum Herstellen von Panele, Wände oder ähnliches
US20210292981A1 (en) * 2020-03-18 2021-09-23 Vandorf SW1 Inc. Traffic Barrier and Soundwall System

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672932A5 (en) 1987-07-28 1990-01-15 Montana Stahl Ag Noise-attenuating wall section - contains insulating layers of different densities, with first layer held clear of front wall by distance piece
EP0527115A1 (de) 1991-08-05 1993-02-10 INSOKELL S.p.A. Schallisolierte und -schluckende modulare Platteneinheit zur Bildung von Lärmbarrieren
DE4318783A1 (de) * 1992-06-08 1993-12-09 Producta Oy Haemeenlinna Lärmschutzwand
GB2305451A (en) * 1995-09-21 1997-04-09 Kennedy Lionweld Ltd Noise barrier sytem

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672932A5 (en) 1987-07-28 1990-01-15 Montana Stahl Ag Noise-attenuating wall section - contains insulating layers of different densities, with first layer held clear of front wall by distance piece
EP0527115A1 (de) 1991-08-05 1993-02-10 INSOKELL S.p.A. Schallisolierte und -schluckende modulare Platteneinheit zur Bildung von Lärmbarrieren
DE4318783A1 (de) * 1992-06-08 1993-12-09 Producta Oy Haemeenlinna Lärmschutzwand
FI92342B (fi) 1992-06-08 1994-07-15 Rautaruukki Oy Meluaita
GB2305451A (en) * 1995-09-21 1997-04-09 Kennedy Lionweld Ltd Noise barrier sytem

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295991A1 (de) * 2001-09-20 2003-03-26 Thomas Lorenz Industrietechnik Schallschutzelement
EP1475479A3 (de) * 2003-05-08 2005-11-23 Berlinische Landschaftsbau GmbH Zu begrünende Lärmschutzwand
EP1760210A3 (de) * 2005-08-31 2009-03-11 Francesco Donati Schalldämmende Vorrichtung zum Herstellen von Panele, Wände oder ähnliches
US20210292981A1 (en) * 2020-03-18 2021-09-23 Vandorf SW1 Inc. Traffic Barrier and Soundwall System
US11578466B2 (en) * 2020-03-18 2023-02-14 Vandorf SW1 Inc. Traffic barrier and soundwall system

Also Published As

Publication number Publication date
FI113198B (fi) 2004-03-15
FI20000916A0 (fi) 2000-04-17
FI20000916L (fi) 2001-10-18

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