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Weathering, swelling behaviour and index properties of neogene marls from the Granada basin (South Spain)
Abstract The geotechnical features of the three members of the Neogene of the Grenade basin (South Spain) are described from 170 samples. The upper member shows 30 meters of soil with 46–90% silt, 5–52% clays (34 to 82% smectitic), high durability-high plasticity and high swelling potential. In the upper 10 meters, some very local layers of silts and gypsum are observed and at the bottom 20 meters of detritic deposits. The middle member is composed by 80 to 250 meters of marly soils with 40–92% of silt fraction, 5 to 60% of clay fraction (40 to 100% illitic), high weathering index and low swelling potential. Some turbiditic and evaporitic deposits, several tens of meters thick, are also locally interlayered. The upper member is composed by 100 meters of detritic-carbonated soils with 0–88% of sand fraction and 5–57% of clay fraction (30–80% smectitic). The weathering index and the swelling potential are similar to the middle member, even with its higher smectitic contain and because of the swelling inhibition derived from the higher carbonate and sulfate proportions.
Weathering, swelling behaviour and index properties of neogene marls from the Granada basin (South Spain)
Abstract The geotechnical features of the three members of the Neogene of the Grenade basin (South Spain) are described from 170 samples. The upper member shows 30 meters of soil with 46–90% silt, 5–52% clays (34 to 82% smectitic), high durability-high plasticity and high swelling potential. In the upper 10 meters, some very local layers of silts and gypsum are observed and at the bottom 20 meters of detritic deposits. The middle member is composed by 80 to 250 meters of marly soils with 40–92% of silt fraction, 5 to 60% of clay fraction (40 to 100% illitic), high weathering index and low swelling potential. Some turbiditic and evaporitic deposits, several tens of meters thick, are also locally interlayered. The upper member is composed by 100 meters of detritic-carbonated soils with 0–88% of sand fraction and 5–57% of clay fraction (30–80% smectitic). The weathering index and the swelling potential are similar to the middle member, even with its higher smectitic contain and because of the swelling inhibition derived from the higher carbonate and sulfate proportions.
Weathering, swelling behaviour and index properties of neogene marls from the Granada basin (South Spain)
El Amrani Paaza, N. (author) / Chacon, J. (author)
1996
Article (Journal)
Electronic Resource
English
BKL:
56.00$jBauwesen: Allgemeines
/
38.58
Geomechanik
/
38.58$jGeomechanik
/
56.20
Ingenieurgeologie, Bodenmechanik
/
56.00
Bauwesen: Allgemeines
/
56.20$jIngenieurgeologie$jBodenmechanik
RVK:
ELIB18
| British Library Online Contents | 1996
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