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Barrages de correction torrentielle : estimation des poussées de berges

Abstract : Mitigation strategies against natural risks in mountainous areas often include protection works against often include protection works against torrential flooding, avalanches or falling rocks. These structures, which are submitted to specific phenomena as well as they are built in a difficult geotechnical conntext, must be designed in compliance with specific requirements. Torrent control dams based on an active protection concept are often built to limit the risks of bank slip in the upper part of the catchment area. Usually, design of such structures is based on a two-dimensional approch, allowing force reactions applied by the soil to the foundations of the structure to be assessed. Furthermore, the thrust of the bank is seldom taken into account, even if the loading is likely to be the cause of a lot of observed damages. This paper exposes a methodology whose purpose is to improve the modellig of interaction betwen soil and structure. After an original analytical approach is presented, the main basis of numerical simulation (Finite Element Code) are defined.
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Contributor : Migration Irstea Publications <>
Submitted on : Thursday, May 14, 2020 - 8:42:00 PM
Last modification on : Friday, August 13, 2021 - 3:27:58 AM


  • HAL Id : hal-02580850, version 1
  • IRSTEA : PUB00010808



François Nicot, Jean-Marc Tacnet, E. Flavigny. Barrages de correction torrentielle : estimation des poussées de berges. Revue française de Géotechnique, 2001, pp.55-64. ⟨hal-02580850⟩



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