ATE100162T1 - NOISE ABSORBING SCREEN. - Google Patents

NOISE ABSORBING SCREEN.

Info

Publication number
ATE100162T1
ATE100162T1 AT89470013T AT89470013T ATE100162T1 AT E100162 T1 ATE100162 T1 AT E100162T1 AT 89470013 T AT89470013 T AT 89470013T AT 89470013 T AT89470013 T AT 89470013T AT E100162 T1 ATE100162 T1 AT E100162T1
Authority
AT
Austria
Prior art keywords
absorbing screen
noise absorbing
sound
layer
mineral
Prior art date
Application number
AT89470013T
Other languages
German (de)
Inventor
Robert Aiello
Original Assignee
Sogea
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 Sogea filed Critical Sogea
Application granted granted Critical
Publication of ATE100162T1 publication Critical patent/ATE100162T1/en

Links

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
    • E01F8/0029—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with porous surfaces, e.g. concrete with porous fillers

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The sound-absorbing screen according to the invention is of the type consisting of a composite panel which has a layer of mineral absorbant (1) and a layer of mineral product (2) which is transparent to sound, the latter being a coating of resin mortar which has a proportion of gaps (7) of between 30 and 50 %. Application to protection against noise along roads or railways. <IMAGE>
AT89470013T 1988-07-07 1989-06-30 NOISE ABSORBING SCREEN. ATE100162T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8809433A FR2633953B1 (en) 1988-07-07 1988-07-07 ABSORBENT ACOUSTIC SCREEN
EP89470013A EP0350420B1 (en) 1988-07-07 1989-06-30 Sound-absorbing screen

Publications (1)

Publication Number Publication Date
ATE100162T1 true ATE100162T1 (en) 1994-01-15

Family

ID=9368339

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89470013T ATE100162T1 (en) 1988-07-07 1989-06-30 NOISE ABSORBING SCREEN.

Country Status (5)

Country Link
EP (1) EP0350420B1 (en)
AT (1) ATE100162T1 (en)
DE (1) DE68912219D1 (en)
FR (1) FR2633953B1 (en)
PT (1) PT91087B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729682A1 (en) * 1995-01-20 1996-07-26 Spie Citra Acoustic sound absorbing screens for motorways

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7513194U (en) * 1975-09-04 Beton Und Monierbau Ag Pre-fabricated part for a protective wall against noise immissions
AT363507B (en) * 1976-01-14 1981-08-10 Kranebitter Ges M B H Betonwer AREA SOUND PROTECTIVE ELEMENT
DE2951027C2 (en) * 1979-12-19 1982-02-18 Albert 4270 Dorsten Stewing Wall element for a noise barrier
DE8231009U1 (en) * 1982-11-05 1983-02-17 Schulz, Herbert, 4000 Düsseldorf NOISE PROTECTION WALL
DE8316339U1 (en) * 1983-06-03 1983-11-17 Lemmen, Bernward, 5000 Köln Noise barrier
DE3338303A1 (en) * 1983-10-21 1985-05-02 Ed. Züblin AG, 7000 Stuttgart Sound-absorbing structural member for soundproofing walls on bridges

Also Published As

Publication number Publication date
DE68912219D1 (en) 1994-02-24
FR2633953B1 (en) 1992-01-17
EP0350420B1 (en) 1994-01-12
FR2633953A1 (en) 1990-01-12
EP0350420A1 (en) 1990-01-10
PT91087A (en) 1990-02-08
PT91087B (en) 1995-07-03

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties