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Abstract: Tunnel design requires increasingly numerical analysis in order to provide densely scattered predictions about settlements along the project. For this reason, simple but reliable methods should be used. Contraction rate method meets the requirements: a low number of parameters is necessary and analysis can be made in only one calculation phase. These parameters depend on the geotechnical...
Abstract: Line 16, a 30 km long underground metro line with 10 stations, is a part of a huge construction programme of over 200 km of automatic metro line with 68 stations in the Paris region. In terms of geology, the project is located in a heterogeneous sedimentary sequence consisting of series of marls, limestone and fine sand, typical for the Paris region. Several connections between tunnels and...