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Geotechnical characterization of soft soil deposits in Northern Poland

Abstract

This paper presents a geotechnical characterization of deltaic soft soil deposits in the Vistula Marshlands, northern Poland. It shows the limited applicability of organic soil classifications based on Cone Penetration Tests (CPTU) and Dilatometer Tests (DMT). None of the in-situ-based classifications correctly identifies peat. Analysis of the behaviour of contractive/dilative soil layers according to Robertson's updated classification (2016) is shown to be in agreement with volumetric changes observed during triaxial compression tests. The coefficient of primary compression Cc is found to decrease exponentially with the initial bulk density (ρd0) and to increase linearly with the in-situ water content (wc). The presented geotechnical characterization and reference data can be used for foundation design and soil improvement in the soft organic soils of northern Poland.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
ENGINEERING GEOLOGY no. 259,
ISSN: 0013-7952
Language:
English
Publication year:
2019
Bibliographic description:
Konkol J., Międlarz K., Bałachowski L.: Geotechnical characterization of soft soil deposits in Northern Poland// ENGINEERING GEOLOGY -Vol. 259, (2019), s.105187-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.enggeo.2019.105187
Sources of funding:
Verified by:
Gdańsk University of Technology

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