網地の引張強度

概要

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The objects of this experiment are to know the breaking strength of a net and to investigate the relation between the strength of netting thread and that of the net. Several kinds of nets shown in table 3 were used as test pieces and the breaking strength was observed by a pendulum type testing machine with chuck as fig. 2 in this experiment. From this experiment, the following results were obtained; 1. A non-shortened net with chuck (B) as shown in fig. 2 is suitable for the investigation of breaking strength of the net. 2. The breaking strength of the net is in proportion to the number of its yarns (S) and to the number of meshes (N) at the side of the chuck, and has no relation to mesh size and length. The experimental formula of breaking strength is as follow and its coefficient (K) is shown in table 3. σB=KSN
公益社団法人日本水産学会の論文