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Prof Giulia Viggiani will deliver the first lecture of the BGA's 2017 Touring Lecture Series in Belfast.
Tunnelling construction is forced to address increasingly complex scenarios, and the ability to control displacements during excavation and in the long term is often a crucial issue in the urban environment. The technical challenges stemming from the construction of large underground projects can represent an opportunity to advance our understanding of the impact of mechanised tunnelling on existing structures and to develop tools to optimise design and control construction processes.
The lecture explores this idea by illustrating the results of a collaborative research project carried out in connection to the design and construction of the third line of Roma underground. The project examined mechanised tunnelling and construction processes, tunnelling-induced damage assessment and connected mitigation and remedial measures, using a combination of field monitoring, laboratory observations, and physical and numerical modelling.