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Yongxi Nº3

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Yongxi Nº3 completed
Yongxi Nº3 completed

Particulars

Owner: Yongxi Hydroelectric Co. Ltd.

Designer: East China Investigation & Design Institute of Water Resources and Hydropower, Hangzhou

Contractor: 14th Construction Bureau, MOE & MWR

Statistics

Type: Gravity

Purpose(s): Flood Control / Hydropower / Water Supply

Reservoir capacity: 68 m3x106

Height: 87 metres

Length: 198 metres

Volume of RCC: 170 m3x103

Total volume: 255 m3x103

Construction Dates

Start of Project: 05/96 (May 1996)

Start of RCC: 10/97 (October 1997)

End of RCC: 10/98 (October 1998)

End of Project: 09/99 (September 1999)

Country: China

River: Dazhangxi

DMS Co-ordinates: unknown

DD Co-ordinates: unknown

Facings

Upstream

SlopeType
VerticalRCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.73RCC against precast concrete blocks

Spillway

SlopeType
ogeeTraditional concrete against formwork
0.73Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
2803000

Cementitious material

Cement (kg/m3)
115
80
Pozzolan (kg/m3)Pozzolan Type
95Low-lime flyash (ASTM Class F)
90