RELATION OF INSPECTION FINDINGS TO FATIGUE RELIABILITY

The main objective of the work described was to develop an aperiodic inspection procedure for marine structures so as to maintain their reliability at a predetermined design level throughout the design life. A summary of current inspection procedures for a variety of marine structures is provided. Limited information makes it very difficult to assess the reliability of inspection techniques. Probability of detection (POD) curves used in the aerospace industry for flaw detection were reviewed, and provided a guide for establishing POD curves for the marine industry. Aperiodic inspection procedures based on Baysian upgrading and POD curves, component stress levels, and structural inspection and repair histories are developed. The validity and effectiveness of the Baysian analysis is demonstrated by numerical example. Current inspection procedures are generally incompatible with the probabilistic approach that is developed.

  • Supplemental Notes:
    • Report; A Ship Structure Committee Report
  • Corporate Authors:

    Modern Analysis, Incorporated

    229 Oak Street
    Ridgewood, NJ  United States 

    United States Coast Guard

    2100 Second Street, SW
    Washington, DC  United States  20593
  • Authors:
    • Shinozuka, M
  • Publication Date: 1990-12

Media Info

  • Features: References;
  • Pagination: 115 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00661803
  • Record Type: Publication
  • Source Agency: Maritime Technical Information Facility
  • Report/Paper Numbers: SSC-355
  • Contract Numbers: DTCG23-86-C-20057
  • Files: TRIS
  • Created Date: Jul 21 1994 12:00AM