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List of products by author: R. Zurlo
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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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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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