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Abstract: The use of TBM is always more widespread also due to the ever increasing versatility of these machines, no longer limited to the sole condition of rock sound but capable of facing even complex situations. Despite the technological progress it is possible to run into particularly unfavorable geological situations, which determine the TBM’s trap. This paper reviews the experience of releasing...
Abstract: The railway line Bologna – Lecce is one of the strategic infrastructure connecting the North to the South of Italy and constitutes an integral part of the freight corridor system of European interest named “Rete Terfn”. In such context during last years numerous interventions were planned to increase the capability of the line and to adequate the railway to the European standards in terms of...
Abstract: Road 6 is one of the largest infrastructure projects undertaken in Israel and is carried out mainly by private sector in form of concessionaire. Three tunnels named Yokneam, Rehasim and Ibtin are actually under construction. Each tunnel is arranged as a system of twin tunnels connected by transverse cross passages. Tunnels are excavated within a series of sedimentary rock mass formations range...
Abstract: This paper shows the results of the analysis of the data acquired during the excavation of the new “Fabriano” Tunnel along the railway line from Rome to Ancona in Italy. The comparison between the results of the analyses and the consolidation system used for the excavation, gives an indication about the relationship which links the method of excavation commonly used today in Italy for...
Abstract: The two tunnels along the "Bocco’s variant" (“Del Bocco” and “Mulino del Vaglio”) in the Apennine area of Emilia Romagna (Italy) are characterized by a series of aspects, as the presence of several landslides and the need to recover of structures built in the past. The low-overburden excavation condition for the “Bocco” tunnel needed the execution of additional investigations to landslide...