Stress–dilatancy behaviour of remoulded Fujinomori clay

The effect of the degree of consolidation and the stress path on the behaviour of remoulded Fujinomori clay for drained triaxial compression and extension was analysed using the Frictional State Concept. It is shown that the stress–dilatancy behaviour can be approximated by a linear general dilatanc...

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Main Authors: Szypcio Zenon, Dołżyk-Szypcio Katarzyna
Format: Article
Language:English
Published: Sciendo 2023-09-01
Series:Studia Geotechnica et Mechanica
Subjects:
Online Access:https://doi.org/10.2478/sgem-2023-0010
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author Szypcio Zenon
Dołżyk-Szypcio Katarzyna
author_facet Szypcio Zenon
Dołżyk-Szypcio Katarzyna
author_sort Szypcio Zenon
collection DOAJ
description The effect of the degree of consolidation and the stress path on the behaviour of remoulded Fujinomori clay for drained triaxial compression and extension was analysed using the Frictional State Concept. It is shown that the stress–dilatancy behaviour can be approximated by a linear general dilatancy equation given by the critical frictional state angle and two soil parameters. The newly formulated dilatant failure state is represented on the stress ratio plastic dilatancy plane by points lying on the friction state line defined by the friction state angle and the Friction State Concept parameters α=0 and β=1. It has been shown that the stress ratio–plastic dilatancy relationship, which is very rarely used in the interpretation of test results, is important for a complete description of the behaviour of soils during shearing.
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spelling doaj.art-b00c7d1445234adbaf6340b9d29ceac72023-12-26T07:43:22ZengSciendoStudia Geotechnica et Mechanica2083-831X2023-09-0145s124725210.2478/sgem-2023-0010Stress–dilatancy behaviour of remoulded Fujinomori claySzypcio Zenon0Dołżyk-Szypcio Katarzyna1Department of Geotechnics, Roads and Geodesy, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska 45E, 15-351BiałystokDepartment of Geotechnics, Roads and Geodesy, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska 45E, 15-351BiałystokThe effect of the degree of consolidation and the stress path on the behaviour of remoulded Fujinomori clay for drained triaxial compression and extension was analysed using the Frictional State Concept. It is shown that the stress–dilatancy behaviour can be approximated by a linear general dilatancy equation given by the critical frictional state angle and two soil parameters. The newly formulated dilatant failure state is represented on the stress ratio plastic dilatancy plane by points lying on the friction state line defined by the friction state angle and the Friction State Concept parameters α=0 and β=1. It has been shown that the stress ratio–plastic dilatancy relationship, which is very rarely used in the interpretation of test results, is important for a complete description of the behaviour of soils during shearing.https://doi.org/10.2478/sgem-2023-0010claystress–dilatancyfrictional state conceptcritical state
spellingShingle Szypcio Zenon
Dołżyk-Szypcio Katarzyna
Stress–dilatancy behaviour of remoulded Fujinomori clay
Studia Geotechnica et Mechanica
clay
stress–dilatancy
frictional state concept
critical state
title Stress–dilatancy behaviour of remoulded Fujinomori clay
title_full Stress–dilatancy behaviour of remoulded Fujinomori clay
title_fullStr Stress–dilatancy behaviour of remoulded Fujinomori clay
title_full_unstemmed Stress–dilatancy behaviour of remoulded Fujinomori clay
title_short Stress–dilatancy behaviour of remoulded Fujinomori clay
title_sort stress dilatancy behaviour of remoulded fujinomori clay
topic clay
stress–dilatancy
frictional state concept
critical state
url https://doi.org/10.2478/sgem-2023-0010
work_keys_str_mv AT szypciozenon stressdilatancybehaviourofremouldedfujinomoriclay
AT dołzykszypciokatarzyna stressdilatancybehaviourofremouldedfujinomoriclay