Nagashima sediment dam

Particulars

Designer: Ministry of Construction

Contractor: Nishimatu Construction Co., Ltd. and Toda Construction Co., Ltd. J.V.

Purpose(s): unknown

Reservoir capacity: 1 m³x10⁶

Height: 33 metres

Length: 127 metres

Volume of RCC: 23 m³x10³

Total volume: 55 m³x10³

Start of Project: 03/97 (March 1997)

Start of RCC: 04/99 (April 1999)

End of RCC: 12/99 (December 1999)

End of Project: 08/00 (August 2000)

Country: Japan

River: Ohi

DMS Co-ordinates: 35˚9'59.1"N, 138˚9'20.1"E

DD Co-ordinates: 35.166416, 138.155579

Slope	Type
1.20	Reinforced conventional concrete cast after RCC placement

Slope	Type
1.20	Reinforced conventional concrete cast after RCC placement

Slope	Type

Layers (mm)	Lifts (mm)
250	500
	1000

Cement (kg/m³)
40

Pozzolan (kg/m³)	Pozzolan Type
50	Ground-granulated blast-furnace slag