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Theoretical derivation and analysis of hydropower station multi-surge chamber system small fluctuation stability
Pages: 756-762
Year: Issue:  5
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  水电站引水系统多井调压室串联布置小波动稳定性;
Abstract: 一些中低水头长隧洞引水式水电站需要采用较大的调压室稳定断面积,但受到地质、地形条件的制约,单一的大尺寸调压室有时不能满足施工开挖和结构设计安全要求.为了实现采用多个相隔一定距离的调压室串联的布置方式来代替单一的大尺寸调压室的需要,从理论上推导了上游多井调压室系统的小波动稳定条件,分析了多个调压室之间的距离和面积对小波动稳定性的影响.结果表明多井调压室系统的小波动稳定性与串联在一起的多井调压室的断面积和调压室之间的距离都存在一定的关系.
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