Geotechnical structures stability: ULS calculations using the finite element method
Geotechnical structures stability: ULS calculations using the finite element method
The new version of Eurocode 7 deals explicitly with the use of the finite element method for the design of geotechnical structures. The relevance of this method is widely recognized for Service Limit States (SLS) i.e. to assess the deformations of the structures (soil settlements, displacements induced by the progress of the work or even interactions with the neighbouring works). For Ultimate Limit State (ULS) verifications, so far in most cases the finite element method is used to performed two types of computations: search for a limit load (verification of a bearing capacity for example) or reduction of resistance properties of the ground, called "phi - c reduction". The new requirements elaborated in the future EC7 gives the opportunity to discuss more precisely how finite elements can be used for geotechnical stability analyses. The article presents the current possibilities of the CESAR software, and discusses additional functionalities that can be introduced to facilitate the verifications required by the new normative framework.
D. Remaud; Emmanuel Bourgeois
18th European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE2024)
C - Risk analysis and safety evaluation
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