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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 torrential flooding, avalanches or falling rocks. These structures, which are submitted to specific phenomena as well as they are built in a difficult geotechnical context, 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 approach, 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 modelling of interaction between 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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Conference papers
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https://hal.inrae.fr/hal-02580950
Contributor : Migration Irstea Publications <>
Submitted on : Thursday, May 14, 2020 - 8:46:59 PM
Last modification on : Thursday, August 12, 2021 - 2:43:13 PM

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  • HAL Id : hal-02580950, version 1
  • IRSTEA : PUB00010951

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François Nicot, J.M. Tacnet, E. Flavigny. Barrages de correction torrentielle : estimation des poussées de berges. 15th international conference on soils mechanics and geotechnical engineering, Istanbul, TUR, 27-31 august 2001, 2001, Istanbul, Turquie. pp.1223-1227. ⟨hal-02580950⟩

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