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EXPERIMENTAL STUDIES ON THE STRESS CONCENTRATION OF CONTAINER SHIP

When designing a full container ship with cell construc- tions, new and peculiar problems concerning torsional strength and vibration of the ships hull have been brought out due to the necessity of large hatch openings for handling containers, which were not required for designing ordinary ships so far built. In this connection, we have synthetically carried out theoretical and experimental investigations so as to clarify these problems in Mitsubishi Heavy Industry, Ltd. This report describes some results of our experimental studies on the strength at hatch corners induced by torsional deformation of hatch openings. In thses studies, the following two experiments were carried out. (1) Experiments using three dimensional steel models made similar to actual structure. (2) Experiments using two dimensional photo-elastic models. And, the conclusions obtained are as follows. (1) The effects on the stress concentration of several types of hatch corners can be estimated by this investiga- tion. (2) The hatch corner structure of the designed ship has sufficient strength for the torsional deformation of the ship.

  • Corporate Authors:

    Ship Research Institute, Tokyo

    38-1, 6-chome, Shinkawa, Mitaka-shi
    Tokyo,   Japan 
  • Authors:
    • Imamasa, J
    • UMEZAKI, K
    • Terada, K
    • Segawa, J
  • Publication Date: 0

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 11 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00007443
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 22 1973 12:00AM