Abstract

Authors are studying and developing the higher holding performance new type anchor to prevent the marine accident due to the dragging anchor. The purpose of this research is to indicate the usefulness and applicability of our higher holding performance new type anchor in actual sea area. For that purpose, the actual sea model tests were carried out in September and November 2019. Shioji-maru, the training ship belonging to the TUMSAT, was used for the actual sea model tests. The actual sea model tests were carried in Tateyama Bay and Off Tokyo Bay Urayasu. The dragging tests were carried out in the actual sea areas and, the basic holding performance of the new type model anchor was verified. In this paper, it is considered the holding resistance, the holding resistance coefficient, and stability. From this consideration, it was revealed that the new type anchor has the possibility and usefulness as the higher performance new type anchor of the next generation. In addition, the issues for practical use were shown.

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