BE490120A - - Google Patents

Info

Publication number
BE490120A
BE490120A BE490120DA BE490120A BE 490120 A BE490120 A BE 490120A BE 490120D A BE490120D A BE 490120DA BE 490120 A BE490120 A BE 490120A
Authority
BE
Belgium
Prior art keywords
profile
webs
wings
segments
sides
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE490120A publication Critical patent/BE490120A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/18Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/20Special cross- sections, e.g. corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
BE490120D BE490120A (ru)

Publications (1)

Publication Number Publication Date
BE490120A true BE490120A (ru)

Family

ID=134903

Family Applications (1)

Application Number Title Priority Date Filing Date
BE490120D BE490120A (ru)

Country Status (1)

Country Link
BE (1) BE490120A (ru)

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