5. Geotechnical investigations
In order to assess the geotechnical site conditions and geological risks, and to define the characteristic values of the geotechnical design parameters, a geotechnical investigation program at the site of each wind turbine in a wind farm is a prerequisite for the pre-project (G2-AVP) and then project (G2-PRO) geotechnical design missions, as defined in standard NF P 94 500 of November 2013.
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The definition of the geotechnical investigation campaign is based on prior bibliographical knowledge of the site:
BRGM 1:50,000 geological map;
BRGM hydrogeological map;
public mapping (clay/cavity/water table rise, seismicity, etc.);
boreholes available locally in the BSS subsoil database, maintained by...
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Geotechnical investigations
Dimensioning shallow foundations
Bibliography
Websites
Fédération de l'Energie Eolienne (FEE) website
https://fee.asso.fr/pub/observatoire-de-leolien-2019/
Geological, hydrogeological and natural hazard information websites
Standards and norms
- "Wind turbines – Part 1: Design requirements" - Norme NF EN 61 400-1 - (3e édition)
- "Geotechnical engineering assignments – Classification and specifications", - Norme NF P 94 500 - de novembre 2013
- "Geotechnical calculations – Part 1: General rules " - Eurocode 7 (NF EN 1997) - de juin 2005
- Calcul des structures pour leur résistance aux séismes - Eurocode 8 (NF EN 1998) -
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