FR1122948A - Pile de soutènement effondrable - Google Patents

Pile de soutènement effondrable

Info

Publication number
FR1122948A
FR1122948A FR1122948DA FR1122948A FR 1122948 A FR1122948 A FR 1122948A FR 1122948D A FR1122948D A FR 1122948DA FR 1122948 A FR1122948 A FR 1122948A
Authority
FR
France
Prior art keywords
retaining pile
collapsible retaining
collapsible
pile
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
English (en)
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 FR1122948A publication Critical patent/FR1122948A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1122948D 1954-04-30 1955-04-22 Pile de soutènement effondrable Expired FR1122948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1122948X 1954-04-30

Publications (1)

Publication Number Publication Date
FR1122948A true FR1122948A (fr) 1956-09-14

Family

ID=3893611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1122948D Expired FR1122948A (fr) 1954-04-30 1955-04-22 Pile de soutènement effondrable

Country Status (1)

Country Link
FR (1) FR1122948A (fr)

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