在分析基础上，提出了漫水丁坝坝头床沙起冲流速的计算办法。
Then, the calculating method of initial scour velocity of bed sand around submerged spur dikes is suggested.
为解决黄河潼关河段射流清淤工程有关技术问题，分析其冲沙效果，利用室内水槽进行了静水、动水条件下射流冲刷试验。
To solve related dredging problems and to analyze the effectiveness of jet flow scouring for the Tongguan stretch of the Yellow River, jet flow scouring experiments were made in laboratory flumes.
分析表明，水库调度、来水来沙、河床形态是影响冲淤变化的主要因素。
Analysis shows that the adjustment of the reservoir, the coming water and sand, and the form of the river bed are the main factors of sediment change.
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