Dam Grangent

See also: Grangent

The dam Grangent is a Work of art built on the the Loire between 1955 and 1957, downstream from the Aurec-on-Loire (Haute-Loire) and upstream of Saint-Just-Saint-Rambert (the Loire). It is about a stopping arches in Béton and with the foundation in Granite, whose function is first of all Hydroélectrique but allows also a regulation of the river and a road crossing. Artificial reserve that it creates, the Lac of Grangent, allowed the creation of activities of pleasure (port and sand beach) downstream from the Saint-Victor-on-Loire.

Characteristics of the stopping

Height on foundation: 55 m
Length in peak: 206 m
Thickness: 8,50 m
Volume of the stopping: 66.000 m ³
Surface of the Area catchment: 3.850 km ²
Reservoir surface: 3,65 km ²
Volume of reserve: 57 hm ³
Flow of catch: 86 m ³ /s
Flow of evacuation of the raw : 6.000 m ³ /s
Flow of draining: 126 m ³ /s
Evacuation of the raw ones: 4 master keys in peak provided with valves automatic segment + 1 valve out of Right Bank
Draining: 2 parallel conduits, one equipped with a hollow jet valve, the other of a valve coach followed by a valve segment

See too

List of the bridges on the Loire

External bonds

Google Maps

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