Abstract: on the basis of expermental researches,this paper discussed effect of oriented groin angle(the an-gle included between flow and sroin)on deposition between two grions,size of dammed water and range of erosion and obtained some valuable exporimental data and analytical results

Key words: oriented groin angle, non-deposition area, deposition between two sroins, dam up stage, lateral transporting sediment

摘要： 本文通过试验研究，探讨了丁坝挑用对坝田淤积、壅水程度、冲刷范围等的影响，获得了具有一定价值的试验数据及分析成果。

关键词: 丁坝挑角, 坝田淤积, 非淤积区, 水位壅高, 横向输沙