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The failure of the Aznalcóllar tailings dam in SW Spain

Author
Alonso, E.
Type of activity
Journal article
Journal
Mine water and the environment
Date of publication
2021-03
Volume
40
Number
1
First page
209
Last page
224
DOI
10.1007/s10230-021-00751-9
Repository
http://hdl.handle.net/2117/343310 Open in new window
URL
https://link.springer.com/article/10.1007/s10230-021-00751-9 Open in new window
Abstract
The Aznalcóllar dyke failed and released much of its stored, saturated pyritic tailings after a process of progressive failure in the foundation clay. 1.5 Mm3 of tailings and 5.5 Mm3 of acidic water were rapidly discharged from the pond. The paper reviews the main geotechnical aspects that contributed to the development of a sliding surface under the dyke: its downward construction procedure, the brittle nature of the over-consolidated, high plasticity foundation clay, and the prevalent high po...
Citation
Alonso, E. The failure of the Aznalcóllar tailings dam in SW Spain. "Mine water and the environment", Març 2021, vol. 40, núm. 1, p. 209-224.
Keywords
Clay strength, Landslide, Liquefaction, Plasticity, Pore pressure, Progressive failure
Group of research
MSR - Soil and Rock Mechanics

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