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List of products by author: A. Antiga
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An Application of the Observational Method to Deal with Sudden Water Level Changes: The 4 Tunnels for the Extension...
Abstract: The extension of the line 1 of the Milan Subway to the N-E outskirts of city involved the execution of 4 bored tunnels for a global length nearly 2 km in difficult geotechnical and hydrogeological context. The tunnels are built using conventional tunneling systems with a partial-face excavation. The work was found to be extremely complex for the presence of incoherent soil (sand and gravel) in...
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Observational approaches in tunneling: some thoughts
Abstract: Doubtless, tunnel design involves much higher uncertainties than any other civil engineering work. There is no other field where construction and design are so inseparable as in the underground structures. Often, the knowledge of the geological structure, the hydro-geological conditions, the mechanical properties and the behavior of the soil/rock is only fulfilled during the tunnel excavation....
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Right choice of the tunnel construction method: a key factor to reduce technical and financial risks
Abstract: Doubtless, tunnel design involves much higher uncertainties than any other civil engineering work.In recent decades there has been an extensive growth in the world of underground constructions that are the most appropriate response to the lack of available surface space and for the needs in terms of environmental and social integration of infrastructures; on the other hand, tunnels involve high...
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The Method of the "Underwater Concrete Slab" to Prevent Water Inflow in a Cut-And-Cover Tunnel
Abstract: The Casalnuovo tunnel is a cut-and-cover tunnel of the High Speed Line Napoli-Bari. This tunnel will be excavated with a water table level higher than the bottom excavation level and so interventions to prevent water inflow into the excavation must be provided. In a stretch of about 150 m, the presence of some conflicts with other works makes the use of traditional solutions impossible and...
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