EP1760199A2 - Mur anti-bruit - Google Patents

Mur anti-bruit Download PDF

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Publication number
EP1760199A2
EP1760199A2 EP06450119A EP06450119A EP1760199A2 EP 1760199 A2 EP1760199 A2 EP 1760199A2 EP 06450119 A EP06450119 A EP 06450119A EP 06450119 A EP06450119 A EP 06450119A EP 1760199 A2 EP1760199 A2 EP 1760199A2
Authority
EP
European Patent Office
Prior art keywords
elements
protection wall
noise protection
absorption elements
absorption
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Withdrawn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
EP06450119A
Other languages
German (de)
English (en)
Other versions
EP1760199A3 (fr
Inventor
Friedrich Wieland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1760199A2 publication Critical patent/EP1760199A2/fr
Publication of EP1760199A3 publication Critical patent/EP1760199A3/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Withdrawn legal-status Critical Current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
    • E01F8/0023—Details, e.g. foundations

Definitions

  • the invention relates to a noise barrier with a frame and a plurality of plate-shaped absorption elements mounted in the frame.
  • noise barriers Due to the increasing noise pollution caused by road traffic, rail-bound traffic and the like, the construction of noise barriers is of increasing importance. At noise barriers multiple requirements are made, which can be difficult to meet at the same time. So these structures must be simple and inexpensive to produce, be highly effective and have an aesthetically pleasing appearance. Another aspect in the construction of noise barriers is the use of natural, recycled or recyclable building materials.
  • noise barriers A common construction of noise barriers is to build a substantially hard wall that prevents sound propagation in a particular direction.
  • This wall can be designed depending on the design as a wooden wall or as a building of concrete blocks and other materials.
  • a problem with noise barriers of this type is that although the propagation of the sound waves in a certain direction is hindered, but a relatively strong reflection takes place on the surface, so that the emission of sound waves in other directions is even enhanced.
  • various designs of noise barriers have become known, which provide for the use of damping materials to reduce the sound reflection.
  • Such noise barriers are for example in the DE 102 10 989 A , of the EP 0 774 497 B or the EP 0 949 382 A described. In such known embodiments, although the problem of sound reflection is slightly improved, but the individual noise barriers have a relatively complex structure and are not produced in an environmentally safe manner.
  • Object of the present invention is to develop a noise barrier so that the above disadvantages are avoided and with the simplest means high efficiency can be achieved. Particular attention should be paid to the ecological compatibility of the building materials used.
  • Essential to the present invention is that even low-frequency vibrations are strongly attenuated by the elastic mounting of the individual wall elements. In addition, it is essential that different vibrational states occur due to the extensive decoupling of adjacent elements, so that reflected sound waves are partially extinguished by destructive interference. Due to the special design of the noise protection wall according to the invention, it is particularly possible to use simple untreated lumber for the production of the wall elements, so that a high ecological compatibility is given. By the individual wall elements have a rough surface, another advantage is achieved, namely the high-level absorption of higher-frequency sound waves.
  • each individual wall element can be held on two sides by means of separate elastomeric damping elements on the frame.
  • a common elastomeric damping elements may be provided for a plurality of wall elements. It is essential that a sufficient decoupling of the vibrations of the individual wall elements is achieved.
  • a particularly good damping effect is obtained when the absorption elements are arranged in several mutually parallel planes. It is of particular advantage in this context if the first absorption elements in a first of the noise source facing the distance from each other, which are greater than the distances between the second absorption elements in a second side facing away from the noise source.
  • the particular effectiveness of this embodiment is based on the fact that only a small part of the sound waves impinging on the noise protection wall is reflected by the outer layer, ie the absorption elements of the first plane. A major portion passes through the spaces between these absorption elements and is partially absorbed, partially reflected at the second level absorption elements. The reflected portion is for the most part either absorbed at the back of the first level absorption elements or thrown back inside the noise barrier. In this way, a particularly high efficiency is achieved. This can be further improved, in particular, by arranging a layer of a damping material between the absorption elements of the individual planes.
  • a structurally particularly favored embodiment variant is realized in that the absorption elements and the associated damping elements are arranged in a common plane. As a result, in particular a simple and slim construction of the noise protection wall can be achieved.
  • the noise barrier of Fig. 1 is attached to vertical uprights 1, which are made for example of an H-profile and anchored in the ground accordingly.
  • a frame 2 which carries the plate-shaped absorption elements 3, which are arranged on the one hand in a first noise level facing the plane 4a and are denoted by 3a there, but on the other part in a second plane facing away from the noise source 4b are arranged and designated there 3b.
  • the absorption elements 3a in the first plane 4a have a width ba and are arranged at a distance from each other.
  • the absorption elements 3b of the second plane 4b have a width bb and are fixed to the frame 2 at a distance db. It is bigger than db and ba a bit smaller than bb.
  • a layer 5 of a damping material for example rock wool, may be provided.
  • the absorption element 3 consists of a rough sawn wooden plate 5, which are fastened via two brackets 7a, 7b bent from sheet metal to a damping element 8, which is designed, for example, as a rubber plate.
  • a U-shaped bent sleeve 9 is provided, via which the damping element 8 on the frame 2 can be fastened.

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  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
EP06450119A 2005-08-30 2006-08-30 Mur anti-bruit Withdrawn EP1760199A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT14232005A AT502932B1 (de) 2005-08-30 2005-08-30 Lärmschutzwand

Publications (2)

Publication Number Publication Date
EP1760199A2 true EP1760199A2 (fr) 2007-03-07
EP1760199A3 EP1760199A3 (fr) 2008-05-07

Family

ID=37499659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06450119A Withdrawn EP1760199A3 (fr) 2005-08-30 2006-08-30 Mur anti-bruit

Country Status (2)

Country Link
EP (1) EP1760199A3 (fr)
AT (1) AT502932B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE654238A (fr) *
AT386440B (de) * 1986-08-21 1988-08-25 Forster Franz Ing Gmbh Laermschutzelement
CH683359A5 (de) * 1991-04-26 1994-02-28 Sonotec Schallschutz Ag Schallschutzelement.
DE4230786A1 (de) * 1992-09-15 1994-05-19 Simon Ernst Otto Karl Lärmschutzwandsegment
FR2734586B1 (fr) * 1995-05-24 1997-07-25 Hutchinson Support d'ecran acoustique le long d'une voie de deplacement de vehicules
FR2850410B1 (fr) * 2003-01-24 2006-02-03 Hutchinson Panneau d'isolation acoustique

Also Published As

Publication number Publication date
EP1760199A3 (fr) 2008-05-07
AT502932A1 (de) 2007-06-15
AT502932B1 (de) 2008-01-15

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