14. A Basic Study on the Stability of Anchors : Considerations on Absolutely-Roll-Stable Anchors

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概要

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• The present authors investigated the characteristics of force acting on the structural elements of an anchor, such as fluke, shank, and stabilizing fins. On the basis of experiments and the theoretical consideration, stability coefficients were proposed [1] to evaluate the roll and pitch stability of the dragged anchor. In this paper, the stabilizing moment of the anchor rolled around its shank is investigated in detail for all rolling angle. As a result, it is shown that an anchor of absolute-roll-stability can be realized by attaching a pair of large plate-face stabilizing fins. In order to verify the proposed method [1] for calculating the maximum holding power of anchors, model tests were performed; and the data showed good agreement with the results of calculation.

• 社団法人日本船舶海洋工学会の論文

著者

• Ura Tamaki

  University Of Tokyo

• YAMAMOTO Yoshiyuki

  University of Tokyo

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• 14. A Basic Study on the Stability of Anchors : Considerations on Absolutely-Roll-Stable Anchors
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