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Longshou Nº1

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Longshou Nº1 completed
Longshou Nº1 completed

Particulars

Owner: Department of Electricity, Gansu Province

Designer: Guijang Institute of Investigation and Design of Water Conservancy and Hydropower in Gansu Province

Contractor: 4th Construction Bureau

Statistics

Type: Arch-Gravity

Purpose(s): Hydropower

Reservoir capacity: 13 m3x106

Height: 80 metres

Length: 258 metres

Volume of RCC: 187 m3x103

Total volume: 210 m3x103

Construction Dates

Start of Project: 04/99 (April 1999)

Start of RCC: 03/00 (March 2000)

End of RCC: 06/01 (June 2001)

End of Project: 09/01 (September 2001)

Country: China

River: Heihe

DMS Co-ordinates: unknown

DD Co-ordinates: unknown

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.20Traditional concrete against formwork

Downstream

SlopeType
0.75Traditional concrete against formwork

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
3003000

Cementitious material

Cement (kg/m3)
96
58
Pozzolan (kg/m3)Pozzolan Type
109Low-lime flyash (ASTM Class F)
113