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Tongjiezi (with Niurixigou saddle dam)

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Photo coming soon

Particulars

Owner: Department of Hydroelectric Power, Sichuan Province

Designer: Chendu Hydroelectric Power Investigation & Design Institute, MOE & MWR

Contractor: 7th Construction Bureau, MOE & MWR

Statistics

Type: Gravity

Purpose(s): Flood Control / Hydropower / Irrigation / Navigation

Reservoir capacity: 200 m3x106

Height: 88 metres

Length: 284 metres

Volume of RCC: 407 m3x103

Total volume: 855 m3x103

Construction Dates

Start of Project: 01/85 (January 1985)

Start of RCC: 10/88 (October 1988)

End of RCC: 12/89 (December 1989)

End of Project: 10/94 (October 1994)

Country: China

River: Daduhe

DMS Co-ordinates: unknown

DD Co-ordinates: unknown

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork

Downstream

SlopeType
0.75RCC against precast concrete blocks

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
300  -300  -
500500

Cementitious material

Cement (kg/m3)
79
82
Pozzolan (kg/m3)Pozzolan Type
79Low-lime flyash (ASTM Class F)
83