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Quantitative Observation of Strain Localisation in a Partially Saturated Triaxial Specimen Using Microfocus X-ray CT with Image Analysis

Higo, Y. / Oka, F. / Morishita, R. / Matsushima, Y.

Strain localisation behaviour in a partially saturated dense sand specimen during triaxial compression has been observed by microfocus X-ray CT and image analyses of CT images. Digital image correlation (DIC) has provided displacement and strain field in the specimen in a macroscopic point of view. In the meantime, trinarization by a region growing segmentation technique has given local void ratio and degree of saturation microscopically. Through these image analyses of CT images, the progressive strain localisation behaviour and microstructural changes in the shear band have been quantitatively studied.

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Quantitative Observation of Strain Localisation in a Partially Saturated Triaxial Specimen Using Microfocus X-ray CT with Image Analysis

Higo, Y. / Oka, F. / Morishita, R. / Matsushima, Y.

Strain localisation behaviour in a partially saturated dense sand specimen during triaxial compression has been observed by microfocus X-ray CT and image analyses of CT images. Digital image correlation (DIC) has provided displacement and strain field in the specimen in a macroscopic point of view. In the meantime, trinarization by a region growing segmentation technique has given local void ratio and degree of saturation microscopically. Through these image analyses of CT images, the progressive strain localisation behaviour and microstructural changes in the shear band have been quantitatively studied.

Quantitative Observation of Strain Localisation in a Partially Saturated Triaxial Specimen Using Microfocus X-ray CT with Image Analysis

Higo, Y. / Oka, F. / Morishita, R. / Matsushima, Y.

Strain localisation behaviour in a partially saturated dense sand specimen during triaxial compression has been observed by microfocus X-ray CT and image analyses of CT images. Digital image correlation (DIC) has provided displacement and strain field in the specimen in a macroscopic point of view. In the meantime, trinarization by a region growing segmentation technique has given local void ratio and degree of saturation microscopically. Through these image analyses of CT images, the progressive strain localisation behaviour and microstructural changes in the shear band have been quantitatively studied.

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Titel:

Quantitative Observation of Strain Localisation in a Partially Saturated Triaxial Specimen Using Microfocus X-ray CT with Image Analysis

Weitere Titelangaben:

Springer Ser.Geomech.,Geoengineer.

Beteiligte:

Chau, Kam-Tim (Herausgeber:in) / Zhao, Jidong (Herausgeber:in) / Higo, Y. (Autor:in) / Oka, F. (Autor:in) / Morishita, R. (Autor:in) / Matsushima, Y. (Autor:in)

Kongress:

International Workshop on Bifurcation and Degradation in Geomaterials ; 2014 ; Hong Kong, Hong Kong

Erschienen in:

Bifurcation and Degradation of Geomaterials in the New Millennium ; Kapitel: 47 ; 325-330

Springer Series in Geomechanics and Geoengineering

Erscheinungsdatum:

30.12.2014

Format / Umfang:

6 pages

ISBN:

978-3-319-13506-9 , 978-3-319-13505-2

ISSN:

1866-8763 , 1866-8755

DOI:

https://doi.org/10.1007/978-3-319-13506-9_47

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Compute Tomography Image , Shear Band , Axial Strain , Digital Image Correlation , Volumetric Strain Engineering , Offshore Engineering , Geotechnical Engineering & Applied Earth Sciences

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