含水微粉精鉱の移動性に関する基礎研究
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概要
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Recently there have been reported on casualties caused by the shifting of their cargoes in conventional vessels carrying concentrates in bulk. IMO has been considering the conventional vessels should carry concentrates having a moisture content not in excess of the transportable moisture limit. In this connection, the author prepared the Pyrite in test box fixed on a shaking table and measured the soil pressure, the change of moisture content. And some fundamental results on the shifting of concentrates were obtained through these experiments. As a result, the shift of concentrates may occur due to the liquefaction and the movement of moisture contained in their cargoes by consolidation which is generated by ship's vibration and motions.
- 1983-01-25