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2017 | OriginalPaper | Buchkapitel

Emergence of Strain Localization in Porous Rocks Characterized by Full-Field Measurement in Plane Strain Condition

verfasst von : Pierre Bésuelle, Patrizia Lanatà

Erschienen in: Bifurcation and Degradation of Geomaterials with Engineering Applications

Verlag: Springer International Publishing

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Abstract

The development of a new true triaxial cell which contains a device to observe the specimen under loading for full field measurement, has allowed studying the emergence of strain localisation in rock specimens. Two porous rocks have been investigated, a sandstone and a clayey rock. Both show similarities in the strain localization process, with an early diffuse strain localization pattern well before the stress peak that evolves progressively toward a reduced number of shear bands pattern. This final pattern, being usually reported in the literature, is associated to the stress peak and initiation of strain softening.

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Literatur
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Zurück zum Zitat Bésuelle, P.: Evolution of strain localisation with stress in a sandstone: brittle and semi-brittle regimes. Phys. Chem Earth Part A 26(1–2), 101–106 (2001) Bésuelle, P.: Evolution of strain localisation with stress in a sandstone: brittle and semi-brittle regimes. Phys. Chem Earth Part A 26(1–2), 101–106 (2001)
2.
Zurück zum Zitat Bésuelle, P., Desrues, J., Raynaud, S.: Experimental characterisation of the localisation phenomenon inside a Vosges sandstone in a triaxial cell. Int. J. Rock Mech. Min. Sci. 37(8), 1223–1237 (2000)CrossRef Bésuelle, P., Desrues, J., Raynaud, S.: Experimental characterisation of the localisation phenomenon inside a Vosges sandstone in a triaxial cell. Int. J. Rock Mech. Min. Sci. 37(8), 1223–1237 (2000)CrossRef
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Metadaten
Titel
Emergence of Strain Localization in Porous Rocks Characterized by Full-Field Measurement in Plane Strain Condition
verfasst von
Pierre Bésuelle
Patrizia Lanatà
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-56397-8_4