Time variations of the K0 coefficient in overconsolidated clays due to morphological evolution of slopes

The incision of a natural or an artificial slope in a clay deposit initiates a morphological evolution and determines variations of the internal state of stress in the deposit. This evolution can be analyzed considering the variations over time of the lateral stress at rest coefficient K0. This pape...

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Bibliographic Details
Published in:Engineering geology 2014-02, Vol.169, p.69-79
Main Authors: Bozzano, Francesca, Bretschneider, Alberto, Martino, Salvatore, Prestininzi, Alberto
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Geotechnics
Lateral stress coefficient
Overconsolidated clays
Physical modeling
Pressuremeter tests
Soil mechanics. Rocks mechanics
Stabilization. Consolidation
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Summary:The incision of a natural or an artificial slope in a clay deposit initiates a morphological evolution and determines variations of the internal state of stress in the deposit. This evolution can be analyzed considering the variations over time of the lateral stress at rest coefficient K0. This paper is focused on the evolution of the K0 in overconsolidated clay deposits submitted to the incision of natural slopes. The proposed idea is that, under specific morphological and evolutionary conditions, a value of K0
ISSN:0013-7952
1872-6917
DOI:10.1016/j.enggeo.2013.11.013