GRAVITY-BASE-TYPE STRUCTURE FOR SUPPORTING AND ANCHORING AN OFFSHORE WIND TURBINE, AND METHOD FOR TOWING AND INSTALLING SAME IN THE SEA

The invention relates to a method for transporting and installing an underwater structure on the seabed, said underwater structure being intended to support and anchor marine equipment and comprising a gravity base (1) including a first solid block or first hollow caisson (2) having an upper outer s...

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Bibliographische Detailangaben
1. Verfasser:	COLMARD, Christophe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING EMBANKMENTS EQUIPMENT FOR SHIPPING EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HYDRAULIC ENGINEERING INDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THANNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS,TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTIONPRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRODUCING MECHANICAL POWER REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SOIL SHIFTING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The invention relates to a method for transporting and installing an underwater structure on the seabed, said underwater structure being intended to support and anchor marine equipment and comprising a gravity base (1) including a first solid block or first hollow caisson (2) having an upper outer surface (2b) and a side outer surface (2a), said method comprising the steps of: a) towing the base (1) equipped with flotation elements, and subsequently b) lowering the base to the seabed, characterised in that: prior to step (a), a plurality of second caissons (3, 3-1, 3-2) are removably secured to at least part of the aforementioned outer surface; in step (a), the second caissons are at least partially emptied; in step (b), the second caissons are filled with more seawater; and, after step (b), the second caissons are detached and emptied, such that they float back up to the surface (10).