Strength of Ship Bottom in Grounding (1 st Report)

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Other Title
  • 座礁事故時の船体圧壊強度 (第1報)
  • ザショウ ジコジ ノ センタイ アッカイ キョウド 1 カクザガタ ザ
  • 座礁事故時の船体圧壊強度 : 第1報 : 擱座型座礁についての検討
  • An Investigation into the Case of a Ship Stranded on a Rock
  • 擱座型座礁についての検討

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Description

The behavior of double bottom structures is studied through the model tests for two types of grounding. The one type is associated with the case where a ship runs on a rock which penetrates through the bottom plate. In the other type, a ship strikes a rock and suffers the intrusion of the rock into the double bottom from the forepart of the ship. The test results for the former type of grounding are compared with a nonlinear finite element program. It is demonstrated that the finite element method represents a useful tool for the analysis of load-rock penetration curves of double bottom structures.<BR>In addition, the height of double bottom required for the inner bottom plate intact against rock penetration is examined in a usual tide range, through a simplified analytical procedure.

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