本文介绍了用颜料示踪和最新的油膜技术对流动进行可视化记录以研究淹没丁坝群的近体流场分布的试验结果。
The dye injection and oil-film method together with electromagnetic velocimeter are applied to measure the flow field around spur dikes.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike,.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike.
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