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Abstract: As a result of the urban growth of Lima in recent years and increase in private transport, traffic jams are commonplace. In order to relieve this congestion, a new highway connecting Callao district and the Historical Centre is currently being built. Due to the lack of available space and given that the Historical Centre is UNESCO World Heritage, a tunnelling solution underneath a 1,8km of...
Abstract: The new railway access tunnel to the Barcelona Airport, bored with an EPB, underpasses the C-31 motorway, the terminal T2 and an operative runway. This meant a strict limitation of the maximum admissible settlements that, in the existing conditions of low overburden (10 to 25 meters) and deltaic geology of high deformability, were not exceeded by using a face pressure in the higher range and a...