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By  Dr. Oladokun Sulaiman Olanrewaju CLASSIFICATION SOCIETIES
[object Object],[object Object],What is CLASS ?
What is CLASS ? ,[object Object]
Reason to CLASS a ship ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Classification of the ship enables :- ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is CLASSIFICATION SOCIETY ,[object Object]
Present Role of Classification Societies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Classification Responsibilities ,[object Object],[object Object]
Major Classification Societies in the world ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],                          
Surveys Areas for Container Ships LWL Bow flare impact pressure High stress at hatch corners in forward hold Watertight bulkheads Large distortion of hatch opening for hatch cover design High stress at hatch corners forward of machinery room Cross deck structure Hatch brackets Connection of cross deck beam to longitudinal girder Connection of cross deck beam to upper deck Pillar bulkhead Bottom slamming impact pressure Transverse strength & fatigue of longitudinal frame
One year survey after construction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Ten years survey after construction

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2 classification societies

  • 1. By Dr. Oladokun Sulaiman Olanrewaju CLASSIFICATION SOCIETIES
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. Surveys Areas for Container Ships LWL Bow flare impact pressure High stress at hatch corners in forward hold Watertight bulkheads Large distortion of hatch opening for hatch cover design High stress at hatch corners forward of machinery room Cross deck structure Hatch brackets Connection of cross deck beam to longitudinal girder Connection of cross deck beam to upper deck Pillar bulkhead Bottom slamming impact pressure Transverse strength & fatigue of longitudinal frame
  • 11.
  • 12.