MARINE STRUCTURE

MARINE STRUCTURE

PURPOSE:To alleviate the force of tidal wave acting on a marine structure by a method in which a contracted portion is provided at the center of the column for the diving section of a semi-diving type marine structure and a large-diameter footing is provided at the lower end of the column. CONSTITUT...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SASAKI TSUNETAKA, YAMASHITA SEIYA
Format: Patent
Sprache:eng
Schlagworte:
EQUIPMENT FOR SHIPPING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
SOIL SHIFTING
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE:To alleviate the force of tidal wave acting on a marine structure by a method in which a contracted portion is provided at the center of the column for the diving section of a semi-diving type marine structure and a large-diameter footing is provided at the lower end of the column. CONSTITUTION:In a semi-diving type marine structure to be used in the drilling of seabed oil or gas deposits, a platform 1 is supported by plural columns 2 having a contracted portion 5 on its water-submerged portion and also a footing with a larger radius than the upper diameter of the column 2 on its lower end. By this, the vertical rocking movement of the marine structure by tidal waves when the columns are submerged in water can be largely alleviated.