Three Gorges people mentioned it once again, but after repeated discussions and investigations, it was again postponed. On March 6, 1992, a feasibility report was presented at the 5th Session of the 7th National People's Congress (NPC) for discussion and resolution. On April 3 of that year, 2,633 NPC members, one-third of the whole body, voted for the Resolution on the Development of the Three Gorges Project, and this was unprecedented in the voting history of the People's Republic of China. The Three Gorges Project officially began on December 14, 1994. The Three Gorges Dam was constructed at Sandouping (), Yichang ()
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