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List of products by author: L. Schiavinato
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Case study of jammed TBM in Rock Tunnels
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...
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Numerical analyses for the design of fiber reinforced precast concrete lining segments for ram thrust forces
Abstract: Fibre reinforcement is increasingly used in civil works to improve materials strength against brittle failure mode. In mechanized tunnelling, precast concrete lining design and reinforcement dimensioning is carried out according to various loading schemes covering to the entire service life of segments and rings. One of the most onerous load conditions is related to the longitudinal ram forces...
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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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Two tunnels’ design in the Italian Apennine in land slide and rock fall areas
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...
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