FremgangsmÕte og anordning for dannelse av bjelker til understöttelsesben for en oljeplattform

The subject of the invention is a method for assembling the chords (10) of the legs supporting an oil platform, in which a stiffener (13) is welded onto each main face of a rectangular plate (12), several rectangular plates (12) equipped with the said stiffeners (13) are butt-welded together in orde...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAUDIN, JEAN CLAUDE, THOMAS, PIERRE-ARMAND
Format:	Patent
Sprache:	nor
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FENCING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MACHINE TOOLS MASTS METAL-WORKING NOT OTHERWISE PROVIDED FOR MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS SOIL SHIFTING SOLDERING OR UNSOLDERING SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The subject of the invention is a method for assembling the chords (10) of the legs supporting an oil platform, in which a stiffener (13) is welded onto each main face of a rectangular plate (12), several rectangular plates (12) equipped with the said stiffeners (13) are butt-welded together in order to form a chord (10), the said stiffeners (13) leaving a free space between them, a joining piece (15) is positioned in the region of each free space and in the extension of the stiffeners (13), and each joining piece (15) is welded from the outside. Prior to positioning and welding each stiffener (13) and each joining piece (15) there is placed on the internal edge of each zone to which the stiffener (13) connects with the plates (12), and the joining piece (15) connects with the plates (12) and the stiffeners (13), a ceramic strip (21a, 21b; 22a, 22b) matched to the profile of each zone of connection and intended to shape the route of the weld bead. The subject of the invention is also a device for the implementation of this method.