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Determining G-γ Degradation Curve in Cohesive Soils by Dilatometer and in situ Seismic Tests (CROSBI ID 660050)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Ivandić, Krešo ; Špiranec, Miljenko ; Kavur, Boris ; Strelec, Stjepan Determining G-γ Degradation Curve in Cohesive Soils by Dilatometer and in situ Seismic Tests // World Academy of Science, Engineering and Technology International Journal of Geotechnical and Geological Engineering. Barcelona: WASET, 2018. str. 144-151

Podaci o odgovornosti

Ivandić, Krešo ; Špiranec, Miljenko ; Kavur, Boris ; Strelec, Stjepan

engleski

Determining G-γ Degradation Curve in Cohesive Soils by Dilatometer and in situ Seismic Tests

This article discusses the possibility of using dilatometer tests (DMT) together with in situ seismic tests (MASW) in order to get the shape of G-y degradation curve in cohesive soils (clay, silty clay, silt, clayey silt and sandy silt). MASW test provides the small soil stiffness (Go from vs) at very small strains and DMT provides the stiffness of the soil at ‘work strains’ (MDMT). At different test locations, dilatometer shear stiffness of the soil has been determined by the theory of elasticity. Dilatometer shear stiffness has been compared with the theoretical G-g degradation curve in order to determine the typical range of shear deformation for different types of cohesive soil. The analysis also includes factors that influence the shape of the degradation curve (G-y) and dilatometer modulus (MDMT), such as the over consolidation ratio (OCR), plasticity index (IP) and the vertical effective stress in the soil. Parametric study in this article defines the range of shear strain gDMT and GDMT/Go relation depending on the classification of a cohesive soil (clay, silty clay, clayey silt, silt and sandy silt), function of density (loose, medium dense and dense) and the stiffness of the soil (soft, medium hard and hard). The article illustrates the potential of using MASW and DMT to obtain G-y degradation curve in cohesive soils.

Dilatometer testing, MASW testing, shear wave, soil stiffness, stiffness reduction, shear strain

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Podaci o prilogu

144-151.

2018.

objavljeno

Podaci o matičnoj publikaciji

World Academy of Science, Engineering and Technology International Journal of Geotechnical and Geological Engineering

Barcelona: WASET

Podaci o skupu

20th International Conference on Computational Geomechanics and Computational Modeling

predavanje

27.02.2018-28.02.2018

Barcelona, Španjolska

Povezanost rada

Trošak objave rada u otvorenom pristupu

Geofizika, Građevinarstvo, Rudarstvo, nafta i geološko inženjerstvo

Poveznice