宽尾墩与消力墩在班多水电站的应用  

Application of flaring gate pier and baffle block at Banduo hydropower station

作　　者：张晓莉[1] 焦娟[1] 

机构地区：[1]中国水电顾问集团西北勘测设计研究院工科分院,西安710043

出　　处：《西北水电》2008年第4期24-26,48,共4页Northwest Hydropower

摘　　要：结合班多水电站整体水工模型试验,提出了利用宽尾墩能够收缩水流、抬高闸室内水面的特点,改善了泄洪闸堰面上出现的负压;针对下游河床冲刷偏深的问题,通过在混凝土护坦上设置消力墩,极大地减轻了下游冲刷。试验推荐的修改体型已经被工程采用。Through hydraulic model test on Banduo hydropower station, flaring gate piers are used to converge the flow, raise the water surface of gate chamber, and improve the negative pressure oeeurred on the weir surface of spillway gates. In light of deeper scouring to downstream river bed, baffle blocks are provided at the concrete protection apron to reduce the downstream scouring as much as possible. The recommended shape has been adopted in the project.

关 键 词：模型试验 底流消能 宽尾墩 消力墩 

分 类 号：TV653[水利工程—水利水电工程]