Abstract

In practice, tunnels design uses analytical methods and numerical models. The last methods are because tunnels need solutions that provide a high level of security given their complexity and civil use. In this paper the study of the influence of the geometric and the mechanical [...]

Abstract

The European objective of a modal shift of freight transports to railways will require extensive upgrading of"br" existing railway lines. This is due to the fact that very few dedicated freight railways are currently being built and"br" existing lines were built for traffic demands [...]