New French Guidelines for Structural Safety of Embankment Dams in a Semi-probabilistic Format

P. Royet (1) , L. Peyras (1)

1 UR OHAX - Ouvrages hydrauliques et hydrologie

Both in France and in most countries, hydraulic works (dams and levees) have remained excluded from semi-probabilistic methods and regulations and their design was, until recently, of a deterministic nature, without formal rules. In this context, the French Committee on Large Dams FRCOLD - initiated, with a panel of experts from the French engineering industry and related government agencies, a research project to define a semi-probabilistic limit-state method for the design of embankment hydraulic works. This paper accounts for the work done over two years, presents the more important provisions emerging from this project and describes the benefits of a limit-state approach. It is arranged according to the Eurocode format: design situations and associated load combinations, geological and geotechnical model, internal hydraulic model, limit states and corresponding conditions.

Mots clés: BARRAGE; BARRAGE POIDS; STABILITE DES OUVRAGES; MODELE PROBABILISTE; MODELE SEMI PROBABILISTE

Domaines: Sciences de l'environnement

P. Royet, L. Peyras. New French Guidelines for Structural Safety of Embankment Dams in a Semi-probabilistic Format. IECS 2010, 8th ICOLD European Club Symposium Dam Safety - Sustainability in a Changing Environment, Sep 2010, Innsbruck, Austria. p. 353 - p. 358. ⟨hal-00558747⟩