DRIM工法における最適な諸元の決定方法に関する水理模型実験

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タイトル別名
  • A Hydraulic Experimental Study on Determination of Optimum Dimensions of the DRIM Method
  • DRIM コウホウ ニ オケル サイテキ ナ ショゲン ノ ケッテイ ホウホウ ニ カンスル スイリ モケイ ジッケン

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This paper presents results of a hydraulic experimental study on determination of optimum dimensions of the DRIM method, which is one of the newly developed measures against beach erosion problems. In the 2-D experiments onshore drift velocity and onshore sediment flux are measured for different cross-shore length of the DRIM by varying the number of rows of the DRIM blocks. Experimental results show no significant difference among the number of the blocks with respect to DRIM's capability of controlling onshore movement of sediment. A discussion is also made on the optimum pitch length of DRIM blocks versus the maximum orbital diameter of the bottom water particle.

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