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Tunnel boring machine collision with an ancient boulder beach during the excavation of the Barcelona city subway L10 line: a case of adverse geology and resulting engineering solutions

Autor
Filbà, M.; Salvany, J.M.; Jubany, J.; Carrasco, L.
Tipus d'activitat
Article en revista
Revista
Engineering geology
Data de publicació
2016-01
Volum
200
Pàgina inicial
31
Pàgina final
46
DOI
https://doi.org/10.1016/j.enggeo.2015.11.010 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/81637 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0013795215300958 Obrir en finestra nova
Resum
The existence of a layer of hard boulders up to 1 m in size within the soft sediments of the Holocene Llobregat delta in the SW of Barcelona city caused the damage and stoppage of the EPB-type tunnel boring machine that excavated the subway L10 line. This layer constitutes a detrital deposit of exceptionally large grain size developed in the base of the delta. It originated as an alluvial fan in the northern margin of the delta during the last fall of the Mediterranean Sea level, at the end of t...
Citació
Filbà, M., Salvany, J.M., Jubany, J., Carrasco, L. Tunnel boring machine collision with an ancient boulder beach during the excavation of the Barcelona city subway L10 line: a case of adverse geology and resulting engineering solutions. "Engineering geology", Gener 2016, vol. 200, p. 31-46.
Paraules clau
Barcelona, Boulder beach, Holocene delta, Jet grouting, Subway L10 line, Tunnel boring machine

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