STUDIES ON COLLISION-PROTECTIVE STRUCTURES IN NUCLEAR POWERED SHIPS

For the purpose of obtaining design formulae of collision-protective side structures installed in nuclear powered ships, various series of tests and theoretical analyses were carried out. Fracture types of side structures could be grouped into two types; deformation and cracking. Discrimination of fracture, estimation of load, and absorbed energy against penetration depth are formulated. The dynamic effects can be explained well with the rise of yield stress of steel. Relationship between added mass of water and elapsed time of collision was analyzed. The influence of the strength of stem of the striking ship could be examined with strength ratio of stem to side structure and semi-experimental formulae of the energy absorption were obtained. The influence of the stem angle and penetration angle to the energy absorption is shown to be small. The condition of the side structures required to have large absorbed energy is discussed using the model tests of various side structures.

• Corporate Authors:

  North Holland Publishing Company

  68-70 N.Z. Voorburgwal, Box 103
  Amsterdam C,   Netherlands 
• Authors:
  • Akita, Y
  • Ando, N
  • Fujita, Y
  • Kitamura, K
• Publication Date: 1972

Media Info

• Features: References;
• Pagination: p. 365-401
• Serial:
  • Nuclear Engineering and Design
  • Volume: 19
  • Issue Number: 2
  • Publisher: North Holland Publishing Company

Subject/Index Terms

• TRT Terms: Crashes; Failure; Fracture mechanics; Hulls; Loss and damage
• Uncontrolled Terms: Damage assessment
• Old TRIS Terms: Collision damage protection; Hull damage prevention
• Subject Areas: Marine Transportation; Materials; Safety and Human Factors;

Filing Info

• Accession Number: 00044575
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Aug 15 1973 12:00AM