Deep excavation of Malatesta Station in Rome: Design, construction and measures

They indicate that the ground generally comprises made ground (R), composed by sandy-silty matrix mainly of pyroclastic nature up to 6 m thick, over recent alluvional deposits (LSO), which are predominantly silty-sandy material with organic content either dispersed or present in lenses, that have total thickness of 9 m (Fosso dell’Acqua Bullicante).