EP2532786A1 - A green sound-absorbent wall - Google Patents

A green sound-absorbent wall Download PDF

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Publication number
EP2532786A1
EP2532786A1 EP12169358A EP12169358A EP2532786A1 EP 2532786 A1 EP2532786 A1 EP 2532786A1 EP 12169358 A EP12169358 A EP 12169358A EP 12169358 A EP12169358 A EP 12169358A EP 2532786 A1 EP2532786 A1 EP 2532786A1
Authority
EP
European Patent Office
Prior art keywords
sound
absorbent wall
wall according
panel
tank structure
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Withdrawn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
EP12169358A
Other languages
German (de)
English (en)
French (fr)
Inventor
Francesco Ferraiolo
Paolo Ercolini
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.)
EUROAMBIENTE Srl
Officine Maccaferri SpA
Original Assignee
EUROAMBIENTE Srl
Officine Maccaferri SpA
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 EUROAMBIENTE Srl, Officine Maccaferri SpA filed Critical EUROAMBIENTE Srl
Publication of EP2532786A1 publication Critical patent/EP2532786A1/en
Withdrawn legal-status Critical Current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
    • E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
    • E01F8/021—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with integral support structure
    • E01F8/025—Gabion-type
    • 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
    • E01F8/02—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise
    • E01F8/021—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic specially adapted for sustaining vegetation or for accommodating plants ; Embankment-type or crib-type noise barriers; Retaining walls specially adapted to absorb or reflect noise with integral support structure

Definitions

  • the present invention relates to the field of green sound-absorbent walls.
  • the invention has been developed with regard to green sound-absorbent walls made up of a plurality of panels, which can be fitted alongside or on top of one another to form sound-absorbent and sound-insulating walls which are also very long and high, for example having the function of a noise protection barrier to be placed beside very busy roads, railways, airports, etc.
  • the document US 5.361.537 discloses a noise protection wall with a framework that supports a series of cassettes which contain compost in which plants of varying height are precultivated.
  • the cassettes are arranged one on top of the other with their green face facing frontwards to form the facade of the noise protection wall.
  • a cement slab supports the cassettes centrally.
  • a similar wall, where the cassettes are slotted in uprights which support them, is illustrated in the document DE 38 12 394 .
  • the aim of the present invention is to improve the green sound-absorbent walls of known type, making them thinner and therefore less bulky and more economical, without thereby sacrificing their sound-proofing and vegetation-growth performance, and without reducing their ease of installation and their reliability over time.
  • the reference 1 indicates in an overall sense a first, single-faced, variant of a sound-absorbent wall according to the present invention, comprising a plurality of uprights 2 anchored to the ground in a known way, for example by means of plates 3 bolted to foundations, or similar methods.
  • the uprights 2 support a plurality of green sound-absorbent panels 4.
  • two adjacent uprights 2 support a plurality of panels 4 placed one above the other, which, in the example of Figures 1 and 2 , are four in number but which could also be more or less according to the desired height of the sound-absorbent wall.
  • the uprights 2 have a preferably H-shaped cross section, for a convenient assembling of the panels 4, as better described below.
  • FIG. 2 shows an exploded view of four panels 4 placed one above the other, and the two uprights 2 which support them with a pair of gasket strips 5 placed in between.
  • Each panel 4 comprises a rear shell structure 6, preferably rectangular, with a plurality of stiffening ribs 7.
  • the ribs 7 comprise eight vertical strips 7a and two horizontal strips 7b.
  • the vertical strips 7a project preferably into the rear part of the panel, while the horizontal strips 7b project preferably into the front part of the rear shell 6 which faces a mesh 8 fixed to a frame 9 joined to the rear shell 6 preferably, although in a non-limiting way, by means of rivets.
  • the mesh 8 is fixed preferably, but not exclusively, to the frame 9 by glue, and is preferably an electrowelded metal mesh, although the use of different types of meshes is not excluded, for example plastic meshes, woven meshes, etc.
  • each panel 4 there is placed a filling formed for example by an artificial substratum formed by a mixture of volcanic dust with controlled granulometry, mixed with amenders and fertilisers, made structurally stable by the application of adhesives of natural and/or synthetic origin.
  • a substratum with a fibrous matrix can be used, of the mineral wool type, mixed with amenders and fertilisers.
  • the substratum allows the development of root systems of plants bedded inside it and the resulting growth of vegetation, which contributes, together with the substratum, to the sound-absorbing or sound-insulating properties of the wall 1.
  • each panel 4 is shaped in such a way as to form a sort of channel 30, to house the bottom part 4b (see Figure 6 ) of a panel 4 above, thus making the panels easily stackable one on top of the other, with a good hold widthways between one upright 2 and the other.
  • the sound-absorbent wall 1 can be dual-faced and can comprise a double-fronted panel 14.
  • two middle shells 16 are shaped substantially like the rear shell 6 of the wall described above, but form, coupled with each other, a compost containment tank on both sides of the double-fronted panel 14.
  • Two opposed frames 19 close the middle shell 16 from both sides, each one holding a mesh 18 that is completely the same as the mesh 8 described previously in relation to the panel 4 with only one green face. The space enclosed between the two opposed frames is conveniently used for the passage of pipes for the irrigation system.
  • the sides of the panels 4 (like those of the panels 14 in the dual-faced variant of the green sound-absorbent wall 1) slide in between the wings of the H profile of the uprights 2.
  • the panels 4 (or the dual-faced panel variants 14) are shaped in such a way as to present a duct 20 which can be used, if required, to house the pipes of an irrigation system, or lighting cables, etc.
  • the shaping of the single-faced panels 4 or the dual-faced panels 14 is particularly compact, and results in obtaining a green sound-absorbent wall 1 that is particularly thin and light, yet able to withstand stresses, for example due to the wind.
  • a green sound-absorbent wall according to the present invention is particularly valued for carrying out works of notable length and height, for example for the protection from noise of vast stretches of roads or railways.
  • a particular advantageous feature is the realisation of single-faced panels 4 (or where necessary dual-faced panels 14) with a rear shell 6 (or middle shells 16) made of a material or shaped in such a way as to reduce the overheating of the root system of the plants.
  • the rear shell 6 (or middle shell 16) can be a closed-bottom structure, as illustrated in the drawings and described above, and in that case it is preferably produced from fibreglass or similar materials.
  • the rear shell 6 (or middle shell 16) can also be made of metal, but in that case preferably having present an open structure, for example with a series of holes, to encourage airing of the substratum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
EP12169358A 2011-06-06 2012-05-24 A green sound-absorbent wall Withdrawn EP2532786A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000325A ITBO20110325A1 (it) 2011-06-06 2011-06-06 Parete fonoassorbente inverdita

Publications (1)

Publication Number Publication Date
EP2532786A1 true EP2532786A1 (en) 2012-12-12

Family

ID=44584282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12169358A Withdrawn EP2532786A1 (en) 2011-06-06 2012-05-24 A green sound-absorbent wall

Country Status (2)

Country Link
EP (1) EP2532786A1 (it)
IT (1) ITBO20110325A1 (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017167318A1 (en) * 2016-03-30 2017-10-05 Jan Eisenreich Railway or tramway track with modular panels of a low noise barrier
WO2022164984A1 (en) * 2021-01-29 2022-08-04 Aeroaggregates Of North America, Llc Sound wall with ultra-lightweight foamed glass aggregates
US12193376B2 (en) 2020-08-10 2025-01-14 Klaus Wegenast Greenable wall element

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812394A1 (de) 1988-04-14 1989-11-02 Wolfgang Behrens Laermschutzwand
US5361537A (en) 1992-06-23 1994-11-08 Wolfgang Behrens Noise protection wall
FR2872381A1 (fr) * 2004-06-30 2006-01-06 Canevaflor Soc Par Actions Sim Structure pour mur vegetalise
FR2902283A1 (fr) * 2006-06-14 2007-12-21 Claude Caillet Systeme de mur vegetal forme par un arrangement de bacs
FR2902602A1 (fr) * 2006-06-23 2007-12-28 Etude Et Rech Polytechnic Du V Dispositif pour la culture hors sol de plantes sur une surface sensiblement verticale.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812394A1 (de) 1988-04-14 1989-11-02 Wolfgang Behrens Laermschutzwand
US5361537A (en) 1992-06-23 1994-11-08 Wolfgang Behrens Noise protection wall
FR2872381A1 (fr) * 2004-06-30 2006-01-06 Canevaflor Soc Par Actions Sim Structure pour mur vegetalise
FR2902283A1 (fr) * 2006-06-14 2007-12-21 Claude Caillet Systeme de mur vegetal forme par un arrangement de bacs
FR2902602A1 (fr) * 2006-06-23 2007-12-28 Etude Et Rech Polytechnic Du V Dispositif pour la culture hors sol de plantes sur une surface sensiblement verticale.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017167318A1 (en) * 2016-03-30 2017-10-05 Jan Eisenreich Railway or tramway track with modular panels of a low noise barrier
US12193376B2 (en) 2020-08-10 2025-01-14 Klaus Wegenast Greenable wall element
WO2022164984A1 (en) * 2021-01-29 2022-08-04 Aeroaggregates Of North America, Llc Sound wall with ultra-lightweight foamed glass aggregates

Also Published As

Publication number Publication date
ITBO20110325A1 (it) 2012-12-07

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