BE507821A - - Google Patents

Info

Publication number
BE507821A
BE507821A BE507821DA BE507821A BE 507821 A BE507821 A BE 507821A BE 507821D A BE507821D A BE 507821DA BE 507821 A BE507821 A BE 507821A
Authority
BE
Belgium
Prior art keywords
prop
knives
mine
layers
support
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE507821A publication Critical patent/BE507821A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/16Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/18Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
    • 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
    • E21D11/183Supporting means for arch members, not provided for in E21D11/22
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Laminated Bodies (AREA)
BE507821D BE507821A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE507821A true BE507821A (enrdf_load_stackoverflow)

Family

ID=147687

Family Applications (1)

Application Number Title Priority Date Filing Date
BE507821D BE507821A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE507821A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032199B (de) * 1955-04-23 1958-06-19 Rheinstahl Gmbh Wanheim Streckenausbaurahmen unter Verwendung eines Quetschkoerpers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032199B (de) * 1955-04-23 1958-06-19 Rheinstahl Gmbh Wanheim Streckenausbaurahmen unter Verwendung eines Quetschkoerpers

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