OVERALL MONITORING OF OFFSHORE STRUCTURES BY VIBRATION ANALYSIS

Although the design of offshore platforms has improved markedly in the last ten years, a similar improvement cannot be reported in the arrangements made at the design stage for platform inspection; consequently there are more than a dozen platforms in the northern sector of the North Sea which are proving both difficult and costly to inspect. In these cases vibration analysis is advocated to compensate for reduced underwater inspection, offering the following advantages: (i) vibration monitoring will ensure that the severance of a major structural member can be detected; (ii) a damaged or suspect platform can be monitored under all conditions to ensure that there is no further loss of structural stiffness; (iii) by reason of the constant checking of structural integrity it may be possible to justify removal of some de-rating restrictions; and (iv) vibration monitoring can be used to ascertain, under all environmental conditions, when a platform is structurally fit for re-occupation and start-up. Order from BSRA as No. 52,188.

  • Supplemental Notes:
    • From the Fourth International Conference for the Offshore Industries. Paper presented at Technical Sessions A & D on Offshore Structures.
  • Corporate Authors:

    Industrial Research Incorporated

    Beverly Shores, Indiana,   United States  46301
  • Authors:
    • Begg, R D
    • MacKenzie, A C
  • Publication Date: 1978

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00309001
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Report/Paper Numbers: Conf Paper
  • Files: TRIS
  • Created Date: Mar 31 1980 12:00AM