FR1175338A - Improvement in arched frames for underground galleries - Google Patents

Improvement in arched frames for underground galleries

Info

Publication number
FR1175338A
FR1175338A FR1175338DA FR1175338A FR 1175338 A FR1175338 A FR 1175338A FR 1175338D A FR1175338D A FR 1175338DA FR 1175338 A FR1175338 A FR 1175338A
Authority
FR
France
Prior art keywords
improvement
arched frames
underground galleries
galleries
underground
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.)
LE PROGRES CHARBONNIER
Original Assignee
LE PROGRES CHARBONNIER
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 filed Critical LE PROGRES CHARBONNIER
Application granted granted Critical
Publication of FR1175338A publication Critical patent/FR1175338A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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)
FR1175338D 1956-06-01 1957-05-17 Improvement in arched frames for underground galleries Expired FR1175338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1175338X 1956-06-01

Publications (1)

Publication Number Publication Date
FR1175338A true FR1175338A (en) 1959-03-24

Family

ID=3894134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1175338D Expired FR1175338A (en) 1956-06-01 1957-05-17 Improvement in arched frames for underground galleries

Country Status (1)

Country Link
FR (1) FR1175338A (en)

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