Alluvium Grouting Proved Effective on Alpine Dam

by Darius Bonazzi,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1965, Vol. 91, Issue 6, Pg. 81-96

Document Type: Journal Paper

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Abstract: The Notre-Dame de Commiers earthfill dam on the River Drac is founded on alluvial deposits with a maximum depth of 50 m. Its core is linked to a grouted curtain in this alluvium. Piezometers were used to investigate water table variations to obtain valid quantitative information on the performance of the curtain. The regular growth of h' as a function of h suggests that the question of the leakage through the dam as a whole can be reduced to that of the leakage through the routed alluvium. The permeability could be approximately 10 times lower, i.e., to be on the safe side, than the limit established initially.

Subject Headings: Alluvium | Grouting | Leakage | Earth fills | Earthfill dams | High-rise buildings | Alluvial channels |

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