Abstract: In this paper, the test results for overflow performance of spill weir dam and local scour of downstream river bed of Youguankou hydroelectric-navigation schem-es are described, and the basic theories for local scour of downstream river bed and computation for local scour are also discussed.

Key words: hydroelectric-navigation schemes, overflow performance, local scour

摘要： 本文简要阐述了油罐口电航枢纽工程的泄流特性和坝下游岩基河床局部冲刷的试验研究成果。并对岩基河床局部冲刷的机理,冲刷坑的形成和冲坑深度计算进行了分析和讨论。

关键词: 电航枢纽, 泄流特性, 局部冲刷