BE455653A - - Google Patents

Info

Publication number
BE455653A
BE455653A BE455653DA BE455653A BE 455653 A BE455653 A BE 455653A BE 455653D A BE455653D A BE 455653DA BE 455653 A BE455653 A BE 455653A
Authority
BE
Belgium
Prior art keywords
support
emi
teeth
supports
counter
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE455653A publication Critical patent/BE455653A/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
    • E21D11/24Knuckle joints or links between arch members

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)
  • Geophysics And Detection Of Objects (AREA)
  • Vibration Prevention Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
BE455653D BE455653A (instruction)

Publications (1)

Publication Number Publication Date
BE455653A true BE455653A (instruction)

Family

ID=109523

Family Applications (1)

Application Number Title Priority Date Filing Date
BE455653D BE455653A (instruction)

Country Status (1)

Country Link
BE (1) BE455653A (instruction)

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