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Analysis of ettringite attack to stabilized railway bases and embankments

Autor
Ramon, A.; Alonso, E.
Tipus d'activitat
Presentació treball a congrés
Nom de l'edició
18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics
Any de l'edició
2013
Data de presentació
2013-09
Llibre d'actes
Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics : Actes du 18e Congrès International de Mécanique des Sols et de Géotechnique: Défis et Innovations en Géotechnique
Pàgina inicial
785
Pàgina final
788
Repositori
http://hdl.handle.net/2117/22473 Obrir en finestra nova
URL
http://www.geotech-fr.org/sites/default/files/congres/cimsg/785.pdf Obrir en finestra nova
Resum
Two cases of massive sulphate attack to cement treated embankments and track bases in a high speed railway line are described. In the first case, two large access embankments to a railway viaduct were treated with jet–grouting columns. In the second case a compacted cement treated soil was placed over a rigid concrete caisson. The treated layer, 1.5 m thick, expanded at a continuous rate of 0.9-1.3 mm/month. In the two cases the soil was excavated from nearby cuts in gypsiferous Tertiary (Olig...
Citació
Ramon, A.; Alonso, E. Analysis of ettringite attack to stabilized railway bases and embankments. A: International Conference on Soil Mechanics and Geotechnical Engineering. "Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics : Actes du 18e Congrès International de Mécanique des Sols et de Géotechnique: Défis et Innovations en Géotechnique". París: 2013, p. 785-788.
Paraules clau
Swelling, embankments, ettringite, gypsum, sulphate attack
Grup de recerca
MSR - Mecànica del Sòls i de les Roques

Participants