China Three Gorges Corporation China Three Gorges Corporation The China Three Gorges Corporation (CTG, ) is a Chinese state-owned power company, established on 27 September 1993. The company was responsible for construction of the Three Gorges Dam-project, the world largest hydroelectric power plant, that went into operation in 2008. In September 2002, CTG established the subsidiary company China Yangtze Power, which took over operations and management of Gezhouba and Three Gorges dams. CTG is one of the world's largest energy companies with total assets of RMB 475.5 billion (app. USD 77.3 billion) in 2014. Apart Gezhouba and Three Gorges CTG operates and develops more
Arch dam dam stronger foundation is required as it involves overhangs at the abutment sections. The constant angle arch dam is that in which the central angles of the horizontal arch rings are of the same magnitude at all elevations. Arch dam An arch dam is a concrete dam that is curved upstream in plan. The arch dam is designed so that the force of the water against it, known as hydrostatic pressure, presses against the arch, compressing and strengthening the structure as it pushes into its foundation or abutments. An arch dam is most suitable for narrow canyons or gorges with