EP0385087A2 - Schallschluck- und -isolierungswand - Google Patents

Schallschluck- und -isolierungswand Download PDF

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Publication number
EP0385087A2
EP0385087A2 EP90101185A EP90101185A EP0385087A2 EP 0385087 A2 EP0385087 A2 EP 0385087A2 EP 90101185 A EP90101185 A EP 90101185A EP 90101185 A EP90101185 A EP 90101185A EP 0385087 A2 EP0385087 A2 EP 0385087A2
Authority
EP
European Patent Office
Prior art keywords
sound absorbing
absorbing elements
high absorption
sound insulation
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.)
Granted
Application number
EP90101185A
Other languages
English (en)
French (fr)
Other versions
EP0385087B1 (de
EP0385087A3 (de
Inventor
Pierre-André Bozzo
Claude Rebetez
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.)
ACOUVER SA
Original Assignee
ACOUVER SA
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 ACOUVER SA filed Critical ACOUVER SA
Priority to AT90101185T priority Critical patent/ATE96191T1/de
Publication of EP0385087A2 publication Critical patent/EP0385087A2/de
Publication of EP0385087A3 publication Critical patent/EP0385087A3/de
Application granted granted Critical
Publication of EP0385087B1 publication Critical patent/EP0385087B1/de
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
    • 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

Definitions

  • the invention relates to a high absorption and sound insulation wall, made up of several sound absorbing elements arranged obliquely in retaining profiles and of a solid panel forming the rear covering of the high absorption and sound insulation wall.
  • Such walls are particularly intended to be established along traffic routes with heavy traffic or railway tracks or any other location requiring noise protection. They are therefore used, for example, also for soundproofing particularly noisy buildings or workstations in factories and shooting ranges.
  • a waterproof sheet preferably made of polyester, is housed in a detached manner between the active absorption element and the perforated protective sheet.
  • the present invention is based on the noise barriers mentioned. However, they have various drawbacks. Thus it is almost impossible or at least very expensive, to maintain this kind of noise barriers since dust or fallout from rain or sprays caused by cars passing nearby, accumulate between the element sound absorption and perforated protective sheet.
  • the perforated protective sheets being relatively rigid, are easily damaged or cause ricochets if a hard object strikes them and prove to be quite dangerous in the event of collisions. The cost of replacing these damaged noise barriers is considerable.
  • the essence of the invention therefore consists in coating a rubbery waterproof and elastic layer of sound absorbing elements made of bonded fibers and that these elements are self-supporting, thus avoiding any mechanical reinforcement, such as for example. envelopes in a rigid material or the mounting of intermediate supports, even if the sound absorbing elements are arranged horizontally.
  • the sound absorbing elements constitute a surface with ribs and grooves, which considerably increases the absorbent surface, to the point that the absorbent surface becomes larger, than the flat surface of the wall. It also follows that, depending on the angles of impact of the sounds which are not or only partially absorbed, these sounds are returned one or more times while creating interference, which disturbs the propagation of the sound waves.
  • the sound absorbing elements stacked at an angle and provided with a rubbery waterproof and elastic layer these elements become sufficiently resistant that any use of rigid protections on the side of the noise source is superfluous. It follows that by their direct exposure to the weather, a free natural washing of their surfaces exposed to dirt is provided, thus automatically evacuating the dust and chemical fallout, which could be deposited on the sound absorbing elements.
  • the use of sound absorbing elements without protective mesh is also requested for aesthetic reasons.
  • the invention can all the more satisfy these kinds of requirements, as in addition the rubber layer can be tinted according to particular needs.
  • the elasticity of the waterproof rubber layer also helps absorb the impact of any hard object that could strike the sound absorbing elements. It follows that eg stones thrown by cars against these walls, generally do not cause any damage and that the risks in the event of a collision are considerably reduced.
  • the sound absorbing elements are, in the direction of their length, slightly compressible, so that they can be mounted by wedging between two retaining profiles, which makes the assembly of parts unnecessary. support to the retaining profiles, even if the sound absorbing elements are mounted horizontally. It is also advantageous if the same compressibility of these sound absorbing elements is also given in the direction of their width, so that the impact damping of hard objects corresponds to that of the elastic rubbery layer.
  • the waterproof rubber layer advantageously has an elasticity of more than 300% without any tearing being observed, which guarantees the sound absorption efficiency of the sound absorbing element and the watertightness of the material. water.
  • the rubber layer preferably has a thickness of at least 0.5 millimeter.
  • U-shaped or double T-shaped retaining profiles which themselves are individually anchored or which are previously assembled in a frame, on the ground or on a base. or on any other fixing base, by appropriate means (bolts, studs, etc.).
  • the solid panel also attaches to these same retaining sections, forming the rear covering of the wall. Without this being necessary, it may be useful to provide a support between the wings of the retaining profile, for example in the form of a square, fixing the inclination of the first stacked sound absorbing element.
  • FIGS 1 and 2 show the essential parts of an embodiment according to the invention.
  • This wall consists of vertical retaining sections 1, U-shaped or double Tee, between the wings 2 and 3 from which the sound absorbing elements 4 are stacked obliquely.
  • the retaining sections 1 are anchored for example to the ground or to a base by means of appropriate fasteners 6.
  • the sound absorbing elements 4 which, when viewed in cross section, preferably have an approximately rectangular or parallelogram shape, are provided at least on the two faces exposed directly to the weather with a rubber layer 7 impermeable to the water and elastic.
  • the sound absorbing elements 4 are stacked at an angle of about 60 degrees relative to the vertical plane of the wall. This angle can however vary between 30 and 80 degrees.
  • a square 8 preferably mounted in the factory, which can facilitate assembly on site, by imposing the desired inclination when mounting the first sound absorbing element 4.
  • the distance a between two retaining sections 1 is slightly smaller, than the initial length b of the sound absorbing elements 4, which once assembled, hold by wedging between the retaining profiles 1.
  • a wall When such a wall is mounted on a shooting range, it may be indicated to provide a covering 9, for example of wood, on the wings 2 of the retaining profile 1, in order to protect against possible ricochets of bullets.
  • Figure 4 shows an example of a special execution improving the absorption of high frequency sounds.
  • each sound absorbing element 4 of the following.
  • the spacing can be achieved without accessories, since the sound absorbing elements 4 can be positioned by wedging.
  • the local use of spacers 11 can be advised to facilitate rapid positioning and assembly.
  • This special solution provides an angle of inclination of the sound absorbing elements 4 of about 45 degrees relative to the flat surface of the wall. It is also advantageous to place additional sound insulation 12 over the entire interior surface of the covering panel 5 forming the rear of the wall.
  • FIG. 5 shows another exemplary embodiment, which advantageously is suitable as sound insulation between two opposite sources of noise, for example between two noisy machines or between two shooters in a shooting range.
  • the covering panel 5 of one of the walls can be omitted.
  • Figure 6 shows a choice of different shapes of absorbent elements the sounds 4, which for different reasons (aesthetics, additional increase in the absorbent surface, etc.) could replace the elements either of rectangular shape or of shape of a parallelogram.
  • FIG. 7 shows sound absorbing elements 4 based on the shape of a parallelogram, one of the points 16 of which is removed and the face 17 coated with the layer (7) bears against the wing 2 and the face 18 coated with the layer (7) against the wing 3 of the retaining profiles 1, which prevents the tipping of the sound absorbing elements 4 even in the event of a severe storm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
EP90101185A 1989-03-03 1990-01-22 Schallschluck- und -isolierungswand Expired - Lifetime EP0385087B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90101185T ATE96191T1 (de) 1989-03-03 1990-01-22 Schallschluck- und -isolierungswand.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH792/89A CH679601A5 (de) 1989-03-03 1989-03-03
CH792/89 1989-03-03

Publications (3)

Publication Number Publication Date
EP0385087A2 true EP0385087A2 (de) 1990-09-05
EP0385087A3 EP0385087A3 (de) 1991-06-12
EP0385087B1 EP0385087B1 (de) 1993-10-20

Family

ID=4195296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101185A Expired - Lifetime EP0385087B1 (de) 1989-03-03 1990-01-22 Schallschluck- und -isolierungswand

Country Status (4)

Country Link
EP (1) EP0385087B1 (de)
AT (1) ATE96191T1 (de)
CH (1) CH679601A5 (de)
DE (1) DE69003971T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0949381A2 (de) * 1998-03-28 1999-10-13 Georg Grötz Schallschutzwand für Verkehrswege
EP1770216A1 (de) 2005-09-29 2007-04-04 Rockwool International A/S Schallabsorbierendes Element und Lärmschutzschirm mit einem solchen Element

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998000607A1 (en) * 1996-06-28 1998-01-08 Rockwool International A/S A sound absorbing and/or reducing wall or baffle
CN107178045A (zh) * 2017-07-14 2017-09-19 山西尚风科技股份有限公司 高铁非金属隔音板插紧装置及插接结构

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625168B1 (de) * 1976-06-04 1977-10-27 Irbit Holding Ag Aus schaumstoff bestehende schall- daemmauskleidung
CH608537A5 (en) * 1975-08-30 1979-01-15 Vki Rheinhold & Mahla Ag Noise-protection wall
DE2751854A1 (de) * 1977-11-21 1979-05-23 Reifen Weiss Kg Schalldaemmendes bauelement in form eines mehrschichtigen plattenkoerpers
DE2800529A1 (de) * 1978-01-07 1979-07-12 Karl Fischer Wandteil fuer eine insbesondere an verkehrswegen aufstellbare laermschutzwand
GB2157337A (en) * 1984-04-05 1985-10-23 Ici Plc Sound absorption panels
US4751979A (en) * 1985-05-16 1988-06-21 Airborne Express, Inc. Engine noise suppression kit for the nacelles of a jet aircraft
DE8811787U1 (de) * 1988-09-16 1988-12-22 HANSA Ventilatoren und Maschinenbau NEUMANN GmbH & Co KG, 2915 Saterland Schalldämpfer
EP0315276A1 (de) * 1987-11-02 1989-05-10 Kleemans, Hubertus Petrus Franciscus Schallschluckendes Element

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608537A5 (en) * 1975-08-30 1979-01-15 Vki Rheinhold & Mahla Ag Noise-protection wall
DE2625168B1 (de) * 1976-06-04 1977-10-27 Irbit Holding Ag Aus schaumstoff bestehende schall- daemmauskleidung
DE2751854A1 (de) * 1977-11-21 1979-05-23 Reifen Weiss Kg Schalldaemmendes bauelement in form eines mehrschichtigen plattenkoerpers
DE2800529A1 (de) * 1978-01-07 1979-07-12 Karl Fischer Wandteil fuer eine insbesondere an verkehrswegen aufstellbare laermschutzwand
GB2157337A (en) * 1984-04-05 1985-10-23 Ici Plc Sound absorption panels
US4751979A (en) * 1985-05-16 1988-06-21 Airborne Express, Inc. Engine noise suppression kit for the nacelles of a jet aircraft
EP0315276A1 (de) * 1987-11-02 1989-05-10 Kleemans, Hubertus Petrus Franciscus Schallschluckendes Element
DE8811787U1 (de) * 1988-09-16 1988-12-22 HANSA Ventilatoren und Maschinenbau NEUMANN GmbH & Co KG, 2915 Saterland Schalldämpfer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0949381A2 (de) * 1998-03-28 1999-10-13 Georg Grötz Schallschutzwand für Verkehrswege
EP0949381A3 (de) * 1998-03-28 2000-12-20 Georg Grötz Schallschutzwand für Verkehrswege
EP1770216A1 (de) 2005-09-29 2007-04-04 Rockwool International A/S Schallabsorbierendes Element und Lärmschutzschirm mit einem solchen Element

Also Published As

Publication number Publication date
ATE96191T1 (de) 1993-11-15
DE69003971D1 (de) 1993-11-25
EP0385087B1 (de) 1993-10-20
CH679601A5 (de) 1992-03-13
DE69003971T2 (de) 1994-05-05
EP0385087A3 (de) 1991-06-12

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