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Non-Linear Small Strain Stiffness of Glacial Till
This paper presents findings from an experimental laboratory investigation into the nonlinear stiffness behaviour of Glacial Till from small into large strains. Both internal and external strains were measured within triaxial apparatus for comparison purposes. By carrying out both drained and undrained testing, it was possible to observe the non-linear shear stiffness degradation of both natural and remoulded glacial clay. Stiffness within the small strain range was noted to be an order of magnitude higher than those observed during large strains and results were ultimately compared to those of Tills found within the literature and also London Clay. Materials tested within this paper are found to be stiffer than London Clays, although stiffness degradation rates are noted to be similar. Results from tests such as these are intended to be incorporated into advanced constitutive models that account for small strain stiffness.
Non-Linear Small Strain Stiffness of Glacial Till
This paper presents findings from an experimental laboratory investigation into the nonlinear stiffness behaviour of Glacial Till from small into large strains. Both internal and external strains were measured within triaxial apparatus for comparison purposes. By carrying out both drained and undrained testing, it was possible to observe the non-linear shear stiffness degradation of both natural and remoulded glacial clay. Stiffness within the small strain range was noted to be an order of magnitude higher than those observed during large strains and results were ultimately compared to those of Tills found within the literature and also London Clay. Materials tested within this paper are found to be stiffer than London Clays, although stiffness degradation rates are noted to be similar. Results from tests such as these are intended to be incorporated into advanced constitutive models that account for small strain stiffness.
Non-Linear Small Strain Stiffness of Glacial Till
Simpson, David (author) / Rouainia, Mohamed (author)
GeoCongress 2012 ; 2012 ; Oakland, California, United States
GeoCongress 2012 ; 2234-2243
2012-03-29
Conference paper
Electronic Resource
English
Non-Linear Small Strain Stiffness of Glacial Till
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Piping susceptibility of glacial till
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