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EnglishThe paper presents a comprehensive laboratory campaign carried out with the aim to asses the residual strength of the Opalinus Clay. Ring shear tests with vertical effective stress up to 1 MPa were performed on remoulded samples of two different facies of the Opalinus Clay. Test results show that the «Shaly» facies is characterized by a low range of variation of residual strength while the strength of the «Sandy» facies is very sensitive to the variation of grain size distribution. Microstructural analyses (SEM) suggest that the difference in the observed mechanical behavior of the two facies can be related to different particles arrangements along the shear surfaces.
Rosone, M., Ferrari, A., Ziccarelli, M., & Giger, S.B. (2019). The residual shear strength of the shaly and sandy facies of the opalinus clay. In A. Ferrari and L. Laloui (a cura di), ENERGY GEOTECHNICS, SEG-2018 (pp. 426-433). Springer Verlag.
| Data di pubblicazione: | 2019 |
| Titolo: | The residual shear strength of the shaly and sandy facies of the opalinus clay |
| Autori: | |
| Citazione: | Rosone, M., Ferrari, A., Ziccarelli, M., & Giger, S.B. (2019). The residual shear strength of the shaly and sandy facies of the opalinus clay. In A. Ferrari and L. Laloui (a cura di), ENERGY GEOTECHNICS, SEG-2018 (pp. 426-433). Springer Verlag. |
| Abstract: | The paper presents a comprehensive laboratory campaign carried out with the aim to asses the residual strength of the Opalinus Clay. Ring shear tests with vertical effective stress up to 1 MPa were performed on remoulded samples of two different facies of the Opalinus Clay. Test results show that the «Shaly» facies is characterized by a low range of variation of residual strength while the strength of the «Sandy» facies is very sensitive to the variation of grain size distribution. Microstructural analyses (SEM) suggest that the difference in the observed mechanical behavior of the two facies can be related to different particles arrangements along the shear surfaces. |
| URL: | http://www.springer.com/series/8069 |
| ISBN: | 978-3-319-99670-7 |
| Digital Object Identifier (DOI): | 10.1007/978-3-319-99670-7_53 |
| Settore Scientifico Disciplinare: | Settore ICAR/07 - Geotecnica |
| Appare nelle tipologie: | 2.07 Contributo in atti di convegno pubblicato in volume |
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http://hdl.handle.net/10447/335993
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