The relation of Karman vortex and scour around the spur are studied. The ascertained method of area and volume of the scour pit are given.
研究了丁坝周围冲刷机理和冲刷坑形成过程及其影响因素,进一步分析了卡门涡和丁坝周围冲刷的关系,给出了冲刷坑范围和体积的确定方法。
参考来源 - 丁坝水力特性及冲刷机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the theory of jet diffusion the formula for predicting the position of dune in equilibrium scour pit are deduced theoretically.
并在此基础上，利用射流扩散理论导出平衡冲刷坑堆丘位置的预报公式。
As far as the scour resistances on the rocky river beds are concerned, the lifting conditions considered resisting forces for rock blocks in the scour pit are investigated.
针对岩石河床的抗冲能力，探讨了考虑阻力的岩块起动的判别条件。
Based on the geological result of the scour pit of the Danjiangkou Project, it is expounded that rock mass characteristics are the internal factor in the formation of scour pit.
以丹江口工程冲刷坑地质调查成果为例，阐述了岩体特征是影响冲刷形成的内在因素。
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