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Tableau 1
Essais de surverse et essais HET/JET : comparaison des contraintes hydrauliques.
Overflow and HET/JET tests: comparison of hydraulic stresses.
| Sols traités | Érosion le long du talus aval | Affouillement en pied de talus aval | ||||
|---|---|---|---|---|---|---|
| Bornes supérieures des contraintes hydrauliques | Borne inférieure des contraintes critiques | Bornes supérieures des contraintes hydrauliques | Borne inférieure des contraintes critiques | |||
| HETs (intact) | Essais de surverse | JETs in situ | Essais de surverse | |||
| Sol-chaux (2016) | τʜ < 418 Pa | τʜ < 93 Pa | τC < 418 Pa | τʜ < 250 Pa | τʜ < 31 Pa | τC < 250 Pa |
| Sol-chaux (2017) | τʜ < 418 Pa | τʜ < 75 Pa | τC < 418 Pa | τʜ < 250 Pa | τʜ < 28 Pa | τC < 250 Pa |
| Sol-chaux (2018) | τʜ < 477 Pa | τʜ < 90 Pa | τC < 477 Pa | τʜ < 349 Pa | τʜ < 10 Pa | τC < 349 Pa |
| Sol traité au LB50 (2018) | τʜ < 730 Pa | τʜ < 80 Pa | τC < 730 Pa | τʜ < 239 Pa | τʜ < 13 Pa | τC < 239 Pa |
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