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Chambon dam - Dam reinforcement - Chambon, France

Structural reinforcement

Commissioned in 1935, the Chambon dam is a French hydroelectric dam of the weight type that constitutes the reservoir of Lac du Chambon (Lake Chambon). County road 1091 (formerly National Road 91) passes over the crest of the dam and borders the water reservoir on the north shore of the lake.

Country 

France

Date 

2013

Duration 

24 Months

Case Study 

Etude de cas - Barrage de Chambon

Case study download 

PDF icon case-study_barrage_de_chambon.pdf

Situation 

This reinforcement project consisted of compensating for any fall of cyclopean concrete blocks.

Solution 

S&P proposed the use of a composite mesh on the upstream facing, itself anchored in the body of the structure by adjustable pre-stressed tie rods.

Material 

15 000 ml metres of S&P C-Sheet 240

S&P Resin 55

S&P responsible site: 
S&P Reinforcement France

View of the S&P C-Sheet 240 mesh on the upstream facing of the dam

View of the scaffolding on the downstream facing of the dam

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S&P