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Method for Identifying Dynamic Instability of Tainter Gates

机译:确定Tainter闸门动态不稳定性的方法

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摘要

Tainter gates are used on dams worldwide for regulation and flood release. Frequently, tainter gates cannot be operated at small openings (less than about 5% of submergence depth) due to concerns about self-excited vibrations. In addition, these gates occasionally fail. For example, in 1967, a tainter gate at Wachi Dam in Kyoto prefecture in Japan failed at a small opening and was swept downstream. Another tainter gate failure occurred on July 17,1995, at Folsom Dam, California in the USA, possibly due to flow-induced vibrations.
机译:Tainter闸门在全球大坝上用于调节和泄洪。通常,由于担心自激振动,吸气门无法在较小的开口处(小于浸没深度的5%)操作。另外,这些门有时会失效。例如,在1967年,日本京都府Wachi Dam的一个污染门在一个小开口处失败,并被扫向下游。 1995年7月17日,美国加利福尼亚州的福尔瑟姆大坝发生了另一道闸门故障,可能是由于流动引起的振动。

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