FR996228A - Method for the execution of tunnels - Google Patents

Method for the execution of tunnels

Info

Publication number
FR996228A
FR996228A FR996228DA FR996228A FR 996228 A FR996228 A FR 996228A FR 996228D A FR996228D A FR 996228DA FR 996228 A FR996228 A FR 996228A
Authority
FR
France
Prior art keywords
tunnels
execution
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)
Inventor
Raoul-Jean-Baptiste Fer
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 FR996228A publication Critical patent/FR996228A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001Improving soil or rock, e.g. by freezing; Injections

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR996228D 1949-08-19 1949-08-19 Method for the execution of tunnels Expired FR996228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR996228T 1949-08-19

Publications (1)

Publication Number Publication Date
FR996228A true FR996228A (en) 1951-12-17

Family

ID=9557793

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996228D Expired FR996228A (en) 1949-08-19 1949-08-19 Method for the execution of tunnels

Country Status (1)

Country Link
FR (1) FR996228A (en)

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