FR2475089A1 - Dispositif ecran acoustique totalement absorbant et partiellement transparent - Google Patents

Dispositif ecran acoustique totalement absorbant et partiellement transparent Download PDF

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Publication number
FR2475089A1
FR2475089A1 FR8101718A FR8101718A FR2475089A1 FR 2475089 A1 FR2475089 A1 FR 2475089A1 FR 8101718 A FR8101718 A FR 8101718A FR 8101718 A FR8101718 A FR 8101718A FR 2475089 A1 FR2475089 A1 FR 2475089A1
Authority
FR
France
Prior art keywords
traffic lane
axial direction
panel
partially transparent
acoustic
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
FR8101718A
Other languages
English (en)
French (fr)
Other versions
FR2475089B3 (enExample
Inventor
Francis Schreder
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.)
Financ Applic Elec
Original Assignee
Financ Applic Elec
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
Priority claimed from BE0/199242A external-priority patent/BE881520A/fr
Application filed by Financ Applic Elec filed Critical Financ Applic Elec
Publication of FR2475089A1 publication Critical patent/FR2475089A1/fr
Application granted granted Critical
Publication of FR2475089B3 publication Critical patent/FR2475089B3/fr
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
FR8101718A 1980-02-04 1981-01-29 Dispositif ecran acoustique totalement absorbant et partiellement transparent Granted FR2475089A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE0/199242A BE881520A (fr) 1980-02-04 1980-02-04 Dispositif ecran acoustique totalement absorbant et partiellement transparent

Publications (2)

Publication Number Publication Date
FR2475089A1 true FR2475089A1 (fr) 1981-08-07
FR2475089B3 FR2475089B3 (enExample) 1984-01-06

Family

ID=3843301

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101718A Granted FR2475089A1 (fr) 1980-02-04 1981-01-29 Dispositif ecran acoustique totalement absorbant et partiellement transparent

Country Status (1)

Country Link
FR (1) FR2475089A1 (enExample)

Also Published As

Publication number Publication date
FR2475089B3 (enExample) 1984-01-06

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