FR2693228B1 - Structrure écran à gradient de luminosité variable notamment pour tête de tunnel. - Google Patents

Structrure écran à gradient de luminosité variable notamment pour tête de tunnel.

Info

Publication number
FR2693228B1
FR2693228B1 FR9208492A FR9208492A FR2693228B1 FR 2693228 B1 FR2693228 B1 FR 2693228B1 FR 9208492 A FR9208492 A FR 9208492A FR 9208492 A FR9208492 A FR 9208492A FR 2693228 B1 FR2693228 B1 FR 2693228B1
Authority
FR
France
Prior art keywords
screen structure
brightness gradient
tunnel head
variable brightness
variable
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.)
Expired - Fee Related
Application number
FR9208492A
Other languages
English (en)
Other versions
FR2693228A1 (fr
Inventor
Andre Bigazzi
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
Priority to FR9208492A priority Critical patent/FR2693228B1/fr
Publication of FR2693228A1 publication Critical patent/FR2693228A1/fr
Application granted granted Critical
Publication of FR2693228B1 publication Critical patent/FR2693228B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
    • 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
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/06—Anti-dazzle arrangements ; Securing anti-dazzle means to crash-barriers
    • 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
    • E01F8/0017—Plate-like elements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
FR9208492A 1992-07-03 1992-07-03 Structrure écran à gradient de luminosité variable notamment pour tête de tunnel. Expired - Fee Related FR2693228B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9208492A FR2693228B1 (fr) 1992-07-03 1992-07-03 Structrure écran à gradient de luminosité variable notamment pour tête de tunnel.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9208492A FR2693228B1 (fr) 1992-07-03 1992-07-03 Structrure écran à gradient de luminosité variable notamment pour tête de tunnel.

Publications (2)

Publication Number Publication Date
FR2693228A1 FR2693228A1 (fr) 1994-01-07
FR2693228B1 true FR2693228B1 (fr) 1994-09-23

Family

ID=9431719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9208492A Expired - Fee Related FR2693228B1 (fr) 1992-07-03 1992-07-03 Structrure écran à gradient de luminosité variable notamment pour tête de tunnel.

Country Status (1)

Country Link
FR (1) FR2693228B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100451281C (zh) * 2007-01-24 2009-01-14 易继先 设置在公路隧道口处的减光棚
ITBS20120172A1 (it) * 2012-12-07 2014-06-08 Enesy Engineering And Electrical Sy Stems S R L Struttura di copertura di una sede stradale
CN103334768B (zh) * 2013-06-17 2016-02-03 武汉理工大学 一种公路隧道入口遮光过渡设施
CN105089156B (zh) * 2014-05-16 2017-07-14 武汉电力设备厂 工程出口框架
ES2574454B1 (es) * 2014-12-17 2017-03-28 Setga, S.L.U. Sistema antideslumbramiento en túneles
CN108035734A (zh) * 2018-01-04 2018-05-15 招商局重庆交通科研设计院有限公司 公路隧道洞外减光棚及减光方法
CN112177628B (zh) * 2020-09-24 2022-12-02 金华市公路与运输管理中心 一种公路隧道出入口遮光设施
CN117888476B (zh) * 2024-03-14 2024-05-24 山东理工大学 一种渐进视觉信息的隧道出口智能警示引行系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1225220A (fr) * 1959-05-06 1960-06-29 écran anti-éblouissant pour l'éclairage de routes à voies séparées
FR1488264A (fr) * 1966-03-10 1967-07-13 Paralumes fixes à récupération de lumière naturelle
FR1543396A (fr) * 1967-09-11 1968-10-25 Desessart Maxence Ets Construction de pare-soleil, notamment pour une voie de circulation
DE2030339A1 (de) * 1970-06-19 1971-12-23 Fa Gerd D Maibach, 7332 Eishngen Abschirmwand zur Abschirmung gegen Geräusche, Wind, Licht und dergleichen, insbesondere zur Verwendung an Strassen
FR2610650B1 (fr) * 1987-02-11 1989-10-27 Allibert Sa Ecran antieblouissant
FR2669665B1 (fr) * 1990-11-23 1997-10-31 Paralum Panneau de mur-rideau a grille metallique.

Also Published As

Publication number Publication date
FR2693228A1 (fr) 1994-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse