FR521322A - Perfectionnements à la construction des tunnels - Google Patents

Perfectionnements à la construction des tunnels

Info

Publication number
FR521322A
FR521322A FR521322A FR521322DA FR521322A FR 521322 A FR521322 A FR 521322A FR 521322 A FR521322 A FR 521322A FR 521322D A FR521322D A FR 521322DA FR 521322 A FR521322 A FR 521322A
Authority
FR
France
Prior art keywords
tunnel construction
tunnel
construction
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
FR521322A
Other languages
English (en)
Inventor
Gustav Peter Helfrich
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR521322A publication Critical patent/FR521322A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/063—Tunnels submerged into, or built in, open water
    • E02D29/07—Tunnels or shuttering therefor preconstructed as a whole or continuously made, and moved into place on the water-bed, e.g. into a preformed trench

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
FR521322A 1919-10-30 1920-07-28 Perfectionnements à la construction des tunnels Expired FR521322A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521322XA 1919-10-30 1919-10-30

Publications (1)

Publication Number Publication Date
FR521322A true FR521322A (fr) 1921-07-09

Family

ID=21975674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521322A Expired FR521322A (fr) 1919-10-30 1920-07-28 Perfectionnements à la construction des tunnels

Country Status (1)

Country Link
FR (1) FR521322A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020618A (en) * 1958-01-20 1962-02-13 Lee E Eward Concrete form
FR2424365A1 (fr) * 1978-04-27 1979-11-23 Sfp Structures Procede et dispositif de lancement d'un tunnel immerge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020618A (en) * 1958-01-20 1962-02-13 Lee E Eward Concrete form
FR2424365A1 (fr) * 1978-04-27 1979-11-23 Sfp Structures Procede et dispositif de lancement d'un tunnel immerge

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