| Titre : | Physical modelling of wetting-induced collapse in enmbankment base (2011) |
| Auteurs : | L. Thorel, Auteur ; V. Ferber, Auteur ; B. Caicedo, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | Géotechnique (Vol. 61 N° 5, Mai 2011) |
| Article en page(s) : | pp. 409-420 |
| Note générale : | Génie Civil |
| Langues : | Anglais |
| Index. décimale : | 624 (Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes) |
| Tags : | Centrifuge modelling Collapsed settlement Compaction Embankments |
| Résumé : |
The relevance of the oedometer tests used for the prediction of wetting-induced deformations in embankments is examined. Single and double oedometer tests are carried out. A comparison is made between laboratory tests and geotechnical centrifuge modelling at 100 g conducted to examine an inundated embankment made of a sand–clay mixture. A 20 cm high embankment model is built and instrumented. The material is compacted on the ‘dry side' of the optimum Proctor curve at a low compaction rate in order to emphasise settlement phenomena. The inundation simulation is conducted in two successive sequences during centrifuge flight up to a water table of 5 cm. The results prove that the prediction of the dry density after settlement due to inundation is good.
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| DEWEY : | 624.15 |
| ISSN : | 0016-8505 |
| En ligne : | http://www.icevirtuallibrary.com/content/article/10.1680/geot.10.p.029 |
