床固めの水理機能に関する研究

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書誌事項

タイトル別名
  • STUDY ON THE HYDRAULIC FUNCTIONS OF THE CONSOLIDATION WORK ACROSS THE RIVER
  • トコガタメ ノ スイリ キノウ ニカンスルケンキュウ

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抄録

The consolidation work which is constructed across a river should function effectively againstthe degradation of the river bed when the sediment discharge from the upstream end becomessmaller. In order to estimate the functions of the consolidation work, the degradation charac-teristics of the river bed with a consolidation work under the condition that the sediment dischargefrom the upstream end of the river is stopped by a dam are studied both experimentally andtheoretically. By solving the diffusion type differential equation for the variation of the riverbed height, characteristics of time variation of the bed height are clarified in both upstream anddownstream regions of the consolidation work. The maximum local scour depth just down-stream of the consolidation work is also studied.

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