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Geotechnical characteristics determining consolidation in organic soils Les caracteristiques géotechniques décrivant les process de consolidation des sols organiques

Proceedings article published in 2015 by A. Szymanski, Z. Lechowicz, A. Drozdz, W. Sas
This paper is available in a repository.
This paper is available in a repository.

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Preprint: policy unknown
Question mark in circle
Postprint: policy unknown
Question mark in circle
Published version: policy unknown

Abstract

The paper presents the results of field and laboratory investigations carried out on two test embankments located on soft soils in northwestern Poland. Comprehensive investigations including observations of test embankments and laboratory testing have been conducted in order to study the behaviour of the consolidation process in soft subsoil. This paper presents the analysis of factors determining the assessment of the deformation process of soft subsoil. The analysis was focused on determining non-linear deformation-stress characteristics used for modelling the deformation of soft subsoil under the earth structure. Deformation characteristics obtained in laboratory tests were compared with field measurements, which included vertical and horizontal displacements, as well as pore pressure dissipation. Based on analysis of field observations and laboratory tests results, the characteristics determining the consolidation process were elaborated. RÉSUMÉ L' article présente les résultats des essais in situ et au laboratoire réalisés sur les périmètres expérimentaux situés dans la région nord-est de Pologne. Les essais concernaient les mesures des variations des déplacements de la fondation, chargée par des remblais experi-mentaux. Des essais au laboratoire de tourbe et de gyttja ont également été réalisés afin de déterminer le procès de consolidation des sols faibles. Les résultats obtenus lors des essais au laboratoire ont été comparés aux essais in situ. Les relations empiriques décrivant les procès de deformation des fondations chargées ont été définies.