FR2418145A1 - Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses - Google Patents

Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses

Info

Publication number
FR2418145A1
FR2418145A1 FR7805400A FR7805400A FR2418145A1 FR 2418145 A1 FR2418145 A1 FR 2418145A1 FR 7805400 A FR7805400 A FR 7805400A FR 7805400 A FR7805400 A FR 7805400A FR 2418145 A1 FR2418145 A1 FR 2418145A1
Authority
FR
France
Prior art keywords
column
floating support
articulated
sea
incorporates
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.)
Granted
Application number
FR7805400A
Other languages
French (fr)
Other versions
FR2418145B1 (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.)
EMH
Original Assignee
EMH
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 EMH filed Critical EMH
Priority to FR7805400A priority Critical patent/FR2418145A1/en
Publication of FR2418145A1 publication Critical patent/FR2418145A1/en
Application granted granted Critical
Publication of FR2418145B1 publication Critical patent/FR2418145B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B35/4406—Articulated towers, i.e. substantially floating structures comprising a slender tower-like hull anchored relative to the marine bed by means of a single articulation, e.g. using an articulated bearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)

Abstract

A structure forming a floating support anchored to the sea-bed by means of a column articulated on a base placed on or buried in the sea-bed, incorporates a floating support which includes an emergent platform, is connected to the top of the column by an articulation system, e.g., Cardan type, and is fitted with one or more floats distant from the column. The floats are disposed in a symmetrical configuration w.r.t. an axis perpendicular to the plane of the platform and passing through the pt. of articulation between the column and the floating support. Attempted uses of an articulated column associated with a floating support, e.g. as a means of mooring a ship, have proved difficult because of the creation of a large bending moment. The invention resolves such a problem by replacement of the float of the column by a floating support, advantageously a floating platform, associated stably with the column and articulated on it. When the floating support is deflected from its normal position for any reason, the only forces transmitted to the column, which inclines, are applied axially and are no longer bending forces. The floating support can be large and the problem of mooring ships is resolved since they can be moored alongside it.
FR7805400A 1978-02-24 1978-02-24 Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses Granted FR2418145A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7805400A FR2418145A1 (en) 1978-02-24 1978-02-24 Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805400A FR2418145A1 (en) 1978-02-24 1978-02-24 Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses

Publications (2)

Publication Number Publication Date
FR2418145A1 true FR2418145A1 (en) 1979-09-21
FR2418145B1 FR2418145B1 (en) 1980-10-17

Family

ID=9205033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805400A Granted FR2418145A1 (en) 1978-02-24 1978-02-24 Floating support associated with articulated column for sea-bed mining - incorporates emergent platform articulated on column head and symmetrically placed floats to eliminate bending stresses

Country Status (1)

Country Link
FR (1) FR2418145A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996021797A1 (en) * 1995-01-13 1996-07-18 Seahorse Equipment Corporation Method and apparatus for production of subsea hydrocarbon formations

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR88968E (en) * 1965-10-28 1967-04-21 Entpr D Equipements Mecaniques Platform for underwater work
FR2298471A1 (en) * 1975-01-22 1976-08-20 Hourtoule Maydat Georges Marine operating platform for very deep water - has articulated semisubmersible part with cardan type articulated submerged support structure
FR2369153A1 (en) * 1976-10-29 1978-05-26 Single Buoy Moorings COUPLING ARRANGEMENT BETWEEN A FLOATING STRUCTURE AND AN ANCHOR

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR88968E (en) * 1965-10-28 1967-04-21 Entpr D Equipements Mecaniques Platform for underwater work
FR2298471A1 (en) * 1975-01-22 1976-08-20 Hourtoule Maydat Georges Marine operating platform for very deep water - has articulated semisubmersible part with cardan type articulated submerged support structure
FR2369153A1 (en) * 1976-10-29 1978-05-26 Single Buoy Moorings COUPLING ARRANGEMENT BETWEEN A FLOATING STRUCTURE AND AN ANCHOR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996021797A1 (en) * 1995-01-13 1996-07-18 Seahorse Equipment Corporation Method and apparatus for production of subsea hydrocarbon formations

Also Published As

Publication number Publication date
FR2418145B1 (en) 1980-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse