Dam Failures in April (Any Year)

The Los Frailes tailings dam (Aznalcóllar, Spain) was a tailings storage dam. The failure type has been categorized as a foundation sliding failure (or loss of bearing, which then initiated sliding). The weakest part of the foundation was comprised of blue marl (clay and approximately 25% carbonate – CaCO3).

The Los Frailes tailings dam failure (Aznalcóllar, Spain).

Case Study

The Los Frailes tailings dam failure (Aznalcóllar, Spain)

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