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List of products by author: S. Fuoco
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Design and excavation for the widening of a railway tunnel: the case of the Castellano tunnel in Italy
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...
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Detailed TBM Boring Cycle Estimation Using Rock Mass Rating System
Abstract: Due to growing importance of Tunnel Boring Machine (TBM) excavation method in tunnelling, tunnel designers require reliable and up-to-date performance prediction models. Most common models consider advance rate as a function of geology and machine parameters. Authors propose an innovative approach: mechanized tunnelling is an industrial process, so whole boring cycle has a substantial impact on...
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Impact of the Rock Mass Quality on the cost of the Conventional Excavation: The experience acquired during the...
Abstract: The production of a tunnel, defined as the ratio between excavation length and the relevant time, as is known, is closely related to the existing state of stress on site, to the type of rock mass and to its structure, i.e., more generally, to its quality. High rock mass quality gives higher productions, while poor rock mass quality leads to have low production, with a law that does not have...
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Mutual interaction between parallel tunnels inside a weak rock mass under high overburden: The Brenner Base Tunnel...
Abstract: During the excavation of the exploratory tunnel and the two cavities for the construction of the Brenner Base project through a particularly fault-ridden area, an intensive monitoring system was installed on the consolidation and support elements.This instrumentation measured the deformations of the excavated rock mass, the stresses induced by the excavation on the structures and the stress...
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Performance monitoring for back-analysis of hard rock TBM tunnelling: the case of the Frejus safety tunnel
Abstract: Phenomena such as convergence and anisotropic behaviour can be expected when tunnelling through schistose rocks under high overburden in the Alps. The 13 km-long safety tunnel of the existing Frejus Highway tunnel, at the French-Italian border, is currently under construction and the 6.5 km-long French Lot was successfully completed with a hard rock 9.4 Ø...
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TBM excavation of the Frejus safety tunnel through highly deformable schistous rock mass under high rock cover
Abstract: The 13km-long safety tunnel of the existing Frejus Highway Tunnel at the French-Italian border, in the Western Alps, is currently under construction. The first 6.5-km lot is successfully excavated. The tunnel is being excavated by a 9.4m-diameter, single shield TBM and is lined with 0.4m-thick precast concrete rings. The tunnel is excavated through anisotropic schistose...
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The Italian approach for the design and the excavation of conventional tunnels: the case of the “Fabriano” tunnel
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...
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Tunnel deformation limits and interaction with cavity support: The experience inside the exploratory tunnel of...
Abstract: During excavation of the exploratory tunnel for the Brenner Base Tunnel, partly through poor quality rock mass, severe deformations of the tunnel face occurred, indicating stability limit conditions. In spite of these deformations at the tunnel face, along the cavity and on the primary support elements, there was no indication of such stability limits for the tunnels, neither close to the...
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