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Jin’anqiao

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Jin’anqiao completed
Jin’anqiao completed

Particulars

Owner: Hanergy, Yunnan Jinsha River Hydropower Co. Ltd. and Yunnan Investment and Development Co. Ltd.

Designer: Kunming Hydroelectric Investigation, Design and Research Institute, CHECC

Contractor: 4th Construction Bureau

Statistics

Type: Gravity

Purpose(s): Hydropower / Navigation / Recreation

Reservoir capacity: 913 m3x106

Height: 160 metres

Length: 640 metres

Volume of RCC: 2400 m3x103

Total volume: 3920 m3x103

Construction Dates

Start of Project: 12/03 (December 2003)

Start of RCC: 05/07 (May 2007)

End of RCC: /11 ( 2011)

End of Project: /12 ( 2012)

Country: China

River: Jinsha

DMS Co-ordinates: 26˚48'33.69"N, 100˚26'43.15"E

DD Co-ordinates: 26.809359, 100.445320

Facings

Upstream

SlopeType
VerticalRCC against formwork

Downstream

SlopeType
0.75RCC against formwork

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
  

Cementitious material

Cement (kg/m3)
72
96
Pozzolan (kg/m3)Pozzolan Type
108Low-lime flyash (ASTM Class F)
117