Variability of overconsolidated soils from Poland in geotechnical practice

The advantages of establishing databases of soil parameters are recognized within the geotechnical community. Especially, statistical description of soils is necessary tool for establishing probability distribution functions used in reliability based design framework and in standard deterministic ap...

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Bibliographic Details
Published in:ce/papers 2018-06, Vol.2 (2-3), p.585-590
Main Authors: BOGUSZ, Witold, WITOWSKI, Marcin
Format: Article
Language:English
Subjects:
Clay
Glacial till
Ground characteristic
Small‐strain stiffness
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Summary:The advantages of establishing databases of soil parameters are recognized within the geotechnical community. Especially, statistical description of soils is necessary tool for establishing probability distribution functions used in reliability based design framework and in standard deterministic approach of limit state design; previous knowledge, comparable experience, and engineering judgement, all play a major role in the selection process of characteristic values of most essential parameters. This is often done in face of limited amount of data from site investigation. The paper presents preliminary database compilation attempt for some parameters of overconsolidated glacial tills and clays from Poland. Due to a rapid growth of infrastructure and cities, analysis of already gathered data is essential for providing engineers with guidance on the variability of soil conditions, which is most noticeable in the case of fine‐grained overconsolidated strata. Focus is given to parameters obtained from triaxial laboratory tests, including small‐strain shear stiffness obtained from Bender Element Test.
ISSN:2509-7075
2509-7075
DOI:10.1002/cepa.733