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Simulation of Cavity Expansion with the Clay and Sand Model Using G-PFEM
The well-established cavity expansion theory has already been applied to numerous practical problems in geotechnical engineering. Analytical solutions taking into account advanced constitutive soil models, such as the available solutions for drained and undrained cavity expansion using the unified state parameter model for clay and sand (CASM), represent also valuable reference solutions for the validation of numerical models. In this work, the code G-PFEM is used for the fully-coupled analysis of cavity expansion problems at large strains, in order to validate the performance of the numerical model with the implemented CASM under drained and undrained conditions and to investigate cavity expansion under the influence of partial drainage. It is shown that the numerical results compare well with the analytical solutions. Furthermore, the effect of partial drainage where consolidation takes place during the cavity expansion process is highlighted.
Simulation of Cavity Expansion with the Clay and Sand Model Using G-PFEM
The well-established cavity expansion theory has already been applied to numerous practical problems in geotechnical engineering. Analytical solutions taking into account advanced constitutive soil models, such as the available solutions for drained and undrained cavity expansion using the unified state parameter model for clay and sand (CASM), represent also valuable reference solutions for the validation of numerical models. In this work, the code G-PFEM is used for the fully-coupled analysis of cavity expansion problems at large strains, in order to validate the performance of the numerical model with the implemented CASM under drained and undrained conditions and to investigate cavity expansion under the influence of partial drainage. It is shown that the numerical results compare well with the analytical solutions. Furthermore, the effect of partial drainage where consolidation takes place during the cavity expansion process is highlighted.
Simulation of Cavity Expansion with the Clay and Sand Model Using G-PFEM
Lecture Notes in Civil Engineering
Barla, Marco (editor) / Di Donna, Alice (editor) / Sterpi, Donatella (editor) / Hauser, Laurin (author) / Schweiger, Helmut F. (author)
International Conference of the International Association for Computer Methods and Advances in Geomechanics ; 2021 ; Turin, Italy
2021-01-15
8 pages
Article/Chapter (Book)
Electronic Resource
English
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