FR1151978A - Arched or ring-shaped retaining framework for supporting galleries, mainly at the bottom of mines - Google Patents

Arched or ring-shaped retaining framework for supporting galleries, mainly at the bottom of mines

Info

Publication number
FR1151978A
FR1151978A FR1151978DA FR1151978A FR 1151978 A FR1151978 A FR 1151978A FR 1151978D A FR1151978D A FR 1151978DA FR 1151978 A FR1151978 A FR 1151978A
Authority
FR
France
Prior art keywords
mines
arched
mainly
ring
shaped retaining
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
Application number
Other languages
French (fr)
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.)
Thyssen AG
Original Assignee
August Thyssen Huette AG
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 August Thyssen Huette AG filed Critical August Thyssen Huette AG
Application granted granted Critical
Publication of FR1151978A publication Critical patent/FR1151978A/en
Expired legal-status Critical Current

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
    • E21D11/20—Special cross- sections, e.g. corrugated
    • 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
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure

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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
FR1151978D 1955-07-08 1956-06-29 Arched or ring-shaped retaining framework for supporting galleries, mainly at the bottom of mines Expired FR1151978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1151978X 1955-07-08

Publications (1)

Publication Number Publication Date
FR1151978A true FR1151978A (en) 1958-02-07

Family

ID=7727537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1151978D Expired FR1151978A (en) 1955-07-08 1956-06-29 Arched or ring-shaped retaining framework for supporting galleries, mainly at the bottom of mines

Country Status (1)

Country Link
FR (1) FR1151978A (en)

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