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Daguangba

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Daguangba on Google Earth
Daguangba on Google Earth

Particulars

Owner: Hainan Provincial Electric Power Company (HEPCO)

Designer: Mid-South Design and Research Institute (MSDI), MOE & MWR

Contractor: Gezhouba Construction Bureau

Statistics

Type: Gravity

Purpose(s): Hydropower / Irrigation / Water Supply

Reservoir capacity: 1710 m3x106

Height: 57 metres

Length: 827 metres

Volume of RCC: 485 m3x103

Total volume: 857 m3x103

Construction Dates

Start of Project: 06/90 (June 1990)

Start of RCC: 12/91 (December 1991)

End of RCC: 12/93 (December 1993)

End of Project: 07/95 (July 1995)

Country: China

River: Changhuajiang

DMS Co-ordinates: 19˚1'11.44"N, 108˚58'47.95"E

DD Co-ordinates: 19.019844, 108.979988

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork

Downstream

SlopeType
0.75RCC against precast concrete blocks
 RCC against formwork

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
55
Pozzolan (kg/m3)Pozzolan Type
96Low-lime flyash (ASTM Class F)