There are many different levels at which the performance and response of a steel structure can be studied. This paper reviews various schemes and outlines the results of recent work in the North Sea. The scope of the work includes a theoretical dynamic analysis of the structure, the design, installation and performance of a vibration monitoring system and the computer analysis of measured vibration spectra for the purpose of evaluating the technique as a means of monitoring the structural integrity of the installation. The system described is an offshore platform inspection tool capable of utilising the divers time more effectively by directing them to areas of structural concern. Vibration spectral energy distributions for a N. Sea platform are presented as well a more convenient form of presentation designed to aid the handling and interpretation of the data. (Se)
Monitoring and structural response of steel offshore structures
Ueberwachung und Verhalten von Stahlkonstruktionen im Offshorebereich
European offshore petroleum conf. and exhibition, Earles Court ; 2 , Oct ; 169-178
1978
10 Seiten, 10 Bilder, 2 Tabellen, 1 Quelle
Aufsatz (Konferenz)
Englisch
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