超高水头钢筋混凝土水道充、排水试验方法探讨  

Filling and Drainage Test Method of Super High Head Reinforced Concrete Waterway

作　　者：饶柏京 马秀玲 贺高年 陈涵 RAO Bojing;MA Xiuling;HE Gaonian;CHEN Han(Guangdong Hydropower Planning&Design Institute Co.,Ltd.,Guangzhou 510635,China)

机构地区：[1]广东省水利电力勘测设计研究院有限公司,广州510635

出　　处：《广东水利水电》2023年第10期32-36,共5页Guangdong Water Resources and Hydropower

摘　　要：阳江抽水蓄能电站下平洞和岔管段静水压力799 m,上水库与下平洞高差达730 m,充排水试验难度超出现有工程经验,本工程引水系统充水方案采用尾水进行反向充水,设置反充水的临时管路,先充下平洞,充至一定高程形成水垫,再利用上库进出水口闸门上的充水阀进行整个引水系统的充水的程序,同时减缓竖井或斜井充排水速率,通过以上措施解决了超高水头引水道充水方案设计难点。The hydrostatic pressure of the lower flat tunnel and bifurcated pipe section of Yangjiang Pumped Storage Power Station is 799 m,and the height difference between the upper reservoir and the lower flat tunnel is 730 m.The difficulty of water filling and drainage test is beyond the existing engineering experience.The water filling scheme of the water diversion system of this project adopts tail water for reverse water filling.The temporary pipeline of reverse water filling is set up.First,the lower flat tunnel is filled to a certain elevation to form a water cushion,and then the water filling valve on the inlet and outlet gate of the upper reservoir is used to fill the water of the whole water diversion system.At the same time,the filling and drainage rate of the shaft or inclined shaft is slowed down.Through the above measures,the difficulties in the design of the water filling scheme of the super high head diversion channel are solved.

关 键 词：静水压力 充排水试验 输水系统 反向充水 水垫 

分 类 号：TV732.3[水利工程—水利水电工程]