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The decrease in the shear strength of volcanic materials with argillic hydrothermal alteration, insights from the summit region of Teide stratovolcano, Tenerife

Autor
del Potro, R.; Hurlimann, M.
Tipus d'activitat
Article en revista
Revista
Engineering geology
Data de publicació
2009-02
Volum
104
Número
1-2
Pàgina inicial
135
Pàgina final
143
DOI
https://doi.org/10.1016/j.enggeo.2008.09.005 Obrir en finestra nova
Repositori
https://www.researchgate.net/publication/237010584_The_decrease_in_the_shear_strength_of_volcanic_materials_with_argillic_hydrothermal_alteration_insights_from_the_summit_region_of_Teide_stratovolcano_Tenerife Obrir en finestra nova
URL
https://www.sciencedirect.com/science/article/pii/S0013795208002457 Obrir en finestra nova
Resum
Hydrothermal alteration around the summit region of Teide stratovolcano, in Tenerife, has decomposed lavas to weak, clay-rich soils. This process has been observed at other volcanoes. The purpose of this study is twofold: firstly to identify and geotechnically characterise weak volcanic materials, and secondly to estimate the reduction in shear strength caused by argillic hydrothermal alteration. Hydrothermally altered soil units, the weakest materials found on the flanks of Teide, have been col...
Paraules clau
Volcanic soils Hydrothermal alteration Alunite Kaolinite Teide Geotechnical tests
Grup de recerca
MSR - Mecànica del Sòls i de les Roques

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