2011, Volume 13, Issue 7
Strategic Study of CAE >> 2011, Volume 13, Issue 7
The dam design of Three Gorges Project
Changjiang Institute of Survey, Planning, Design and Research, Changjiang Water Resources Commission,Wuhan 430010, China
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Abstract
The dam of Three Gorges Project is a concrete gravity dam with the crest elevation of 185 m, the maximum height of 181 m and dam axis length of 2 309.5 m. The dam consists of spillway, powerhouse, non-overflow, ship-lift, temporary ship-lock, left diversion wall and longitudinal cofferdam sections. Some key techniques relating to dam structure design are presented, including hydraulics of flood discharge structure, joint design, layout and structural style of penstock, deep antisliding stability of dam foundation, sealing of temporary ship-lock and closed drainage and pumping of dam foundation.
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