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Civil Engineering WORKS:Energy Facilities

Sediment Discharge Technology

Removing accumulated sediment is a significant issue for dam management. Maeda constructed the Dashidaira Dam, the first dam with sediment discharge gates in Japan. Maeda has various proven technologies for dam construction such as sediment discharge technology and precast concrete technology.

The Dashidaira Dam in Japan
The Dashidaira Dam in Japan



  1. Minami Aiki Dam , completed in 2005, rockfill dam (pumped storage)
  2. Suikou Dam, Fujian Province , completed in 1994, gravity dam
  3. Unazuki Dam , completed in 2002, gravity dam
  4. Da My Dam , completed in 2000, rock fill dam
  5. Hirao Hydroelectric Power Plant , completed in 2009
  6. Black Point Thermal Power Plant , completed in 1996
  7. Yashio Dam , completed in 1995, rockfill dam (pumped storage)

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