BE564935A - - Google Patents

Info

Publication number
BE564935A
BE564935A BE564935DA BE564935A BE 564935 A BE564935 A BE 564935A BE 564935D A BE564935D A BE 564935DA BE 564935 A BE564935 A BE 564935A
Authority
BE
Belgium
Prior art keywords
articulation
rings
elements
stops
support
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE564935A publication Critical patent/BE564935A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/24—Knuckle joints or links between arch members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE564935D BE564935A (en:Method)

Publications (1)

Publication Number Publication Date
BE564935A true BE564935A (en:Method)

Family

ID=185623

Family Applications (1)

Application Number Title Priority Date Filing Date
BE564935D BE564935A (en:Method)

Country Status (1)

Country Link
BE (1) BE564935A (en:Method)

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