Author(s): Fumihiro Hara; Sei Kunimatsu; Hiroshi Saeki
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Abstract: We have, since three years ago, been studying the conditions of arch formation due to the floes which cause ice jams at piers. The purposes of the present study are (1) to draw critical curves of arch formation, using flow velocity, the percentage of the floes covering water surface and the span of piers as variables, (2) to verify the ellects due to cross-sectional shapes of the piers, and (3) to make use of the experimental results for designs and plans of pier construction on frozen rivers in future. This paper reports on the results of the experiments to find how cross-sectional shapes of piers and shapes of floes inlluence the conditions of arch lormation due to ice floes.
Year: 1994