Back-analysis of deep excavations supported by strutted retaining walls
Back-analysis of deep excavations supported by strutted retaining walls
Design of deep excavations involves the definition of the retaining walls and struts to support earth pressures. Despite the experience and the procedures available to estimate the forces acting on the struts, their prediction is still difficult and comparison between field measurements and numerical simulations suggest that there are many factors not taken into account in the routine calculations. This paper presents a software (DAARWIN) that can be used to manage field data and to perform backanalysis in an automatic manner to predict soil parameters. It is a cloud based platform combined with the Plaxis Finite Element code, that uses genetic algorithms to solve the backanalysis. This software has been applied to the identification of soil parameters and strut loads in a real case involving a deep excavation from Toulouse Metro in France.
V. I. Cordoni; L. Gelonch; B. Sola; Christian De Santos; Alberto Ledesma
18th European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE2024)
A - New developments on structural design
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