FR744767A - - Google Patents

Info

Publication number
FR744767A
FR744767A FR744767DA FR744767A FR 744767 A FR744767 A FR 744767A FR 744767D A FR744767D A FR 744767DA FR 744767 A FR744767 A FR 744767A
Authority
FR
France
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)
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 filed Critical
Application granted granted Critical
Publication of FR744767A publication Critical patent/FR744767A/fr
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
    • 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
    • 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
    • E21D11/183—Supporting means for arch members, not provided for in E21D11/22
    • 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
    • E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps 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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
FR744767D 1932-01-22 1932-10-29 Expired FR744767A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2062686X 1932-01-22

Publications (1)

Publication Number Publication Date
FR744767A true FR744767A (nl) 1933-04-26

Family

ID=7983160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR744767D Expired FR744767A (nl) 1932-01-22 1932-10-29

Country Status (3)

Country Link
US (1) US2062686A (nl)
BE (1) BE391990A (nl)
FR (1) FR744767A (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745114C (de) * 1938-09-16 1944-02-26 Georg Bachmann Eiserner Grubenausbau
DE964403C (de) * 1950-07-15 1957-06-06 Rheinpreussen Ag Ausbau von Abbaustrecken durch hoeheres Ausbrechen der Streckenhoehe

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741147C (de) * 1939-01-29 1943-11-05 Karl Leh Eiserner Balken fuer Wanderpfeiler
US2713774A (en) * 1948-08-24 1955-07-26 Bochumer Eisen Heintzmann Supporting frame, especially mine supports
US3067844A (en) * 1953-03-31 1962-12-11 Hunnebeck Emil Mauritz Network of single rods welded together at their junctions
US3022028A (en) * 1954-06-11 1962-02-20 Tumpane Company Of Georgia Inc Knockdown platform
US3108663A (en) * 1959-09-10 1963-10-29 Reynolds Metals Co Extrusion construction
US3312034A (en) * 1964-03-06 1967-04-04 Pollak Steel Company Sign support post
DE3017428A1 (de) * 1980-05-07 1981-11-12 Gesteins- Und Tiefbau Gmbh, 4350 Recklinghausen Streckenausbau des berg- und tunnelbaus
DE3127812C2 (de) * 1981-07-14 1986-07-03 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Ausbauelement für den untertägigen Streckenausbau
GB2240353A (en) * 1990-01-25 1991-07-31 British Steel Plc Underground support arch.
US6524722B2 (en) 2001-03-15 2003-02-25 Contech Technologies, Inc. Corrugated structural metal plate
CN106930779B (zh) * 2017-03-15 2019-07-30 河南理工大学 一种急倾斜三软煤层回采巷道斜腿微拱异形棚支护方法
CN113530569A (zh) * 2021-06-23 2021-10-22 中交二公局第四工程有限公司 一种暗挖隧道喇叭口二衬施工方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745114C (de) * 1938-09-16 1944-02-26 Georg Bachmann Eiserner Grubenausbau
DE964403C (de) * 1950-07-15 1957-06-06 Rheinpreussen Ag Ausbau von Abbaustrecken durch hoeheres Ausbrechen der Streckenhoehe

Also Published As

Publication number Publication date
BE391990A (nl) 1932-11-30
US2062686A (en) 1936-12-01

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