GB823459A - Arched frames for underground levels - Google Patents

Arched frames for underground levels

Info

Publication number
GB823459A
GB823459A GB16282/57A GB1628257A GB823459A GB 823459 A GB823459 A GB 823459A GB 16282/57 A GB16282/57 A GB 16282/57A GB 1628257 A GB1628257 A GB 1628257A GB 823459 A GB823459 A GB 823459A
Authority
GB
United Kingdom
Prior art keywords
arched frames
underground levels
struts
underground
levels
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
GB16282/57A
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.)
LE PROGRES CHARBONNIER PROCHAR
Original Assignee
LE PROGRES CHARBONNIER PROCHAR
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 LE PROGRES CHARBONNIER PROCHAR filed Critical LE PROGRES CHARBONNIER PROCHAR
Publication of GB823459A publication Critical patent/GB823459A/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

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)
  • Tents Or Canopies (AREA)

Abstract

823,459. Mine arches. PROGRES CHARBONNIER PROCHAR SOC. COOPERATIVE. May 22, 1957 [June 1, 1956], No. 16282/57. Class 20(2) Steel mine arches have one or more struts 7 attached at the ends of their curved and rigid limbs 2. The struts may overlap and braces may be fitted between the strut and limb.
GB16282/57A 1956-06-01 1957-05-22 Arched frames for underground levels Expired GB823459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE823459X 1956-06-01

Publications (1)

Publication Number Publication Date
GB823459A true GB823459A (en) 1959-11-11

Family

ID=3881560

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16282/57A Expired GB823459A (en) 1956-06-01 1957-05-22 Arched frames for underground levels

Country Status (1)

Country Link
GB (1) GB823459A (en)

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