Preliminary assessment of variability of selected Hardening Soil model parameters for glacial tills and clays from Poland

Typical ranges of variability of basic soil parameters are relatively well known. Such knowledge is important to aid engineers in the selection of characteristic values for design or as a basis for conducting sensitivity analyses for more complex soil-structure interaction problems. However, for app...

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Bibliographic Details
Published in:E3S Web of Conferences 2019-01, Vol.92, p.15004
Main Authors: Bogusz, Witold, Witowski, Marcin
Format: Article
Language:English
Subjects:
Clay
Constitutive models
Data bases
Glacial till
Hardening
Laboratory tests
Mathematical models
Parameter estimation
Sensitivity analysis
Soil-structure interaction
Soils
Variability
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Summary:Typical ranges of variability of basic soil parameters are relatively well known. Such knowledge is important to aid engineers in the selection of characteristic values for design or as a basis for conducting sensitivity analyses for more complex soil-structure interaction problems. However, for application of advanced non-linear constitutive models, which often are defined by model-specific parameters, such variability is rarely known. To improve parameter estimation, as well as to provide a basis for the choice of realistic variability range, a database of high quality laboratory tests can be used. The paper presents the results of preliminary assessment of variability of selected Hardening Soils model parameters for overconsolidated glacial tills and clays from Poland, based on a local database of triaxial test results.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/20199215004