Tunnels are increasingly being constructed in densely built urban environements in which there is a pressing need for accurate design tools able to predict ground movements and their influence on existing structures. The investigations in this paper are concerned both with the dicussion of different models to quantify ground’s subsidence and the damage induced to buildings. Fgor this purpose, the instrumentation data of three tunnels bored in the city of Madrid have been processed o compare “green field” values with the corresponding settlement of bildings along the tunnel route. The interaction effects have been analyzed in terms of the building situation in respect of the settlement trough and of the structure type. Finally, three-dimensional finite difference models have been used to simulate the coupled effect of the ground movements on the building strains, thereforeprovodingatheorectical check of the measurements.
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