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Publikováno v:
Geomechanics and Tunnelling. 10:145-159
Autor:
Harald Goldberger, Alfred Stärk
Publikováno v:
Geomechanik und Tunnelbau. 2:521-530
Tunnelling in inner-city areas demands a high level of safety and represents a great challenge for the responsible engineers. The challenges increase with the cross-sectional area of the excavation, with the density of building on the surface and wit