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La Breña II

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La Breña II completed
La Breña II completed

Particulars

Owner: Acuasur

Designer: IDOM

Contractor: Dragados S.A.

Statistics

Type: Gravity

Purpose(s): Irrigation

Reservoir capacity: 823 m3x106

Height: 119 metres

Length: 685 metres

Volume of RCC: 1441 m3x103

Total volume: 1600 m3x103

Construction Dates

Start of Project: 06/05 (June 2005)

Start of RCC: 02/07 (February 2007)

End of RCC: 10/08 (October 2008)

End of Project: 12/08 (December 2008)

Country: Spain

River: Guadiato

DMS Co-ordinates: 37˚49'37.28"N, 5˚2'40.36"W

DD Co-ordinates: 37.827023, -5.044544

Facings

Upstream

SlopeType
0.05RCC against formwork (GEVR/GE-RCC)
0.30RCC against formwork (GEVR/GE-RCC)

Downstream

SlopeType
0.75RCC against formwork (GEVR/GE-RCC)  [stepped face]

Spillway

SlopeType
0.75RCC against formwork (GEVR/GE-RCC)  [stepped face]

Placement

Layers (mm)Lifts (mm)
300300

Cementitious material

Cement (kg/m3)
69
Pozzolan (kg/m3)Pozzolan Type
115  &Low-lime flyash (ASTM Class F)
46