FR2418839A2 - Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion - Google Patents

Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion

Info

Publication number
FR2418839A2
FR2418839A2 FR7806117A FR7806117A FR2418839A2 FR 2418839 A2 FR2418839 A2 FR 2418839A2 FR 7806117 A FR7806117 A FR 7806117A FR 7806117 A FR7806117 A FR 7806117A FR 2418839 A2 FR2418839 A2 FR 2418839A2
Authority
FR
France
Prior art keywords
mast
foot
bearing
socket
stayed mast
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
FR7806117A
Other languages
French (fr)
Other versions
FR2418839B2 (en
Inventor
Dominique Michel
Francisco De Assis Man Serrano
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.)
Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
Original Assignee
Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
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
Priority claimed from FR7622515A external-priority patent/FR2359248A1/en
Application filed by Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris filed Critical Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
Priority to FR7806117A priority Critical patent/FR2418839A2/en
Publication of FR2418839A2 publication Critical patent/FR2418839A2/en
Application granted granted Critical
Publication of FR2418839B2 publication Critical patent/FR2418839B2/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)
  • Pivots And Pivotal Connections (AREA)

Abstract

The maritime platform is mounted on a stayed mast which oscillates under forces imposed by the sea, the foot of the mast having a demi-spherical form bearing in a socket of a similar form. The foot bearing transmit vertical loads to a sea-bed foundation whilst allowing the mast to pivot in any direction, and is now further developed to resist mast torsion. The anti torsion mechanism may utilise flexible chains which align with mast tangents in plan, and are anchored to the mast and the foundation respectively. An alternative design uses an elastomers layer between the ball and the socket, the ball being diametrically pinned in a ring which is in turn pinned to the socket on the perpendicular diameter.
FR7806117A 1976-07-23 1978-03-03 Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion Granted FR2418839A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7806117A FR2418839A2 (en) 1976-07-23 1978-03-03 Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7622515A FR2359248A1 (en) 1976-07-23 1976-07-23 Submersible columns for supporting platforms above water level - which rest on ball connectors to allow racking but maintain vertical alignment
FR7806117A FR2418839A2 (en) 1976-07-23 1978-03-03 Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion

Publications (2)

Publication Number Publication Date
FR2418839A2 true FR2418839A2 (en) 1979-09-28
FR2418839B2 FR2418839B2 (en) 1982-12-10

Family

ID=26219560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7806117A Granted FR2418839A2 (en) 1976-07-23 1978-03-03 Foot=bearing for stayed mast supporting sea platform - has half spherical base in similar socket and uses tangential chains resisting torsion

Country Status (1)

Country Link
FR (1) FR2418839A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566824A (en) * 1982-11-19 1986-01-28 Commissariat A L'energie Atomique System for drilling from a water surface, which is insensitive to the swell

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735597A (en) * 1972-02-24 1973-05-29 Exxon Production Research Co Hinge system for offshore structure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735597A (en) * 1972-02-24 1973-05-29 Exxon Production Research Co Hinge system for offshore structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566824A (en) * 1982-11-19 1986-01-28 Commissariat A L'energie Atomique System for drilling from a water surface, which is insensitive to the swell

Also Published As

Publication number Publication date
FR2418839B2 (en) 1982-12-10

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