The Narude Dam is a gravity dam on the Shō River about 22 km south of Nanto on the border of Toyama and Gifu Prefectures, Japan. It was constructed between 1950 and 1952. The dam has an associated 97
Downstream face
The Tainter gate is a type of radial arm floodgate used in dams and canal locks to control water flow. It is named for its inventor, the Wisconsin structural engineer Jeremiah Burnham Tainter.
Side view cut-away diagram of the radial arm of the Tainter gate, Ice Harbor Dam, Snake River, Pasco, Washington (USACE)
Tainter gate from the back, or spillway, on the John H. Kerr Dam, Boydton, Virginia (USACE)
Tainter gate being constructed, in 1936, on the upper Mississippi River, Lock and Dam No. 7 (Onalaska Dam), La Crescent, Minnesota (USACE)
Stevenson Dam Tainter Gate on the Housatonic River in Connecticut.