Research on lifting technique and assembling - shaped water gates of lock construction work of Three-Georges Hydro-power station

Abstract

    Lock Construction Work is one of the key items of Three-Georges Hydroelectric Factory. Implementation of installation and completing valve entrance of lock divided into two periods of installation, especially complex is the second period after construction work putting in operation for water reservoir with height of water column of 145-175.0m, altitude of valve entrance is raised from 131.0 m to 139.0m with the valve entrance's weight of 855 tons and height of 38.5 m, width of 20.2m, thickness of 3.042 m. In this article, the writer has made a research on practical construction work and mentioned about construction methods suitable with condition of the construction work.