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A platform for research: civil engineering, architecture and urbanism
The residual shear strength of Neogene marly soils in the Granada and Guadix basins, southeastern Spain
Abstract The analysis of samples taken from the Neogene and Cretaceous marly series of the Granada and Guadix basins (south east Spain) shows an inverse correlation between the clay content and the residual friction angle. It has been verified that the carbonate fraction of the soil has a significant influence on the residual friction angle; there is a threshold of 25% carbonates, above which the value of φ′r increases from 20 to 30°. It has been proved that the presence of smectitic clay as the dominant constituent produces a low value of residual shear strength, associated with high fragility in unconsolidated undrained tests. It has been proved that the degree of compaction of the soil and therefore the initial porosity, has a direct influence on the effective residual friction angle (φ′r).
The residual shear strength of Neogene marly soils in the Granada and Guadix basins, southeastern Spain
Abstract The analysis of samples taken from the Neogene and Cretaceous marly series of the Granada and Guadix basins (south east Spain) shows an inverse correlation between the clay content and the residual friction angle. It has been verified that the carbonate fraction of the soil has a significant influence on the residual friction angle; there is a threshold of 25% carbonates, above which the value of φ′r increases from 20 to 30°. It has been proved that the presence of smectitic clay as the dominant constituent produces a low value of residual shear strength, associated with high fragility in unconsolidated undrained tests. It has been proved that the degree of compaction of the soil and therefore the initial porosity, has a direct influence on the effective residual friction angle (φ′r).
The residual shear strength of Neogene marly soils in the Granada and Guadix basins, southeastern Spain
El Amrani Paaza, N. (author) / Lamas, F. (author) / Irigaray, C. (author) / Chacón, J. (author) / Oteo, C. (author)
2000
Article (Journal)
English
Engineering geological characterization of Neogene marls in the Southeastern Granada Basin, Spain
| British Library Online Contents | 1998
Engineering geological characterization of Neogene marls in the Southeastern Granada Basin, Spain
| Online Contents | 1999
Engineering geological characterization of Neogene marls in the Southeastern Granada Basin, Spain
| Online Contents | 1999