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

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Filbà, Marta ; Salvany Duran, Josep Maria ; Jubany, Jordi ; Carrasco, Laura (2016)
  • Related identifiers: doi: 10.1016/j.enggeo.2015.11.010
  • Subject: :Enginyeria civil::Geotècnia::Túnels i excavacions [Àrees temàtiques de la UPC] | Boring machinery | Subways--Spain--Barcelona | Barcelona | Subway L10 line | Tunnel boring machine | Jet grouting | Holocene delta | Boulder beach | Metro -- Catalunya -- Barcelona

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 constitu... View more
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