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Tunnel durability analysisusing combined advanced numerical modelling and

Tunnel durability analysisusing combined advanced numerical modelling and

Tunnel_Durability_Analysisusing_

E. Garin / T. Kazerani / N. Miché

Nowadays, numerical modelling is vastly used in the underground construction industry. Their capacity, nevertheless, in evaluating durability of existing tunnels has not been yet examined completely. In this context, the paper presents the advantages of cuttingedge simulation combined with instrumentation and monitoring in studying the durability of a road tunnel. After a brief description of the case which is a tunnel excavated in a highly deformable Alpine schist, very known for its significant creep behaviour, the adopted model and its constitutive laws (visco-elastoplastic rock mass combined with a concrete lining modelled based on visco-damage mechanics) are described. At last, the paper concludes with a discussion on the simulation results to show how modelling along with instrumentation can help evaluate the structure current status and its long-term behaviour.

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Year 2022
City Copenhagen
Country Denmark
ISBN 978-2-9701436-7-3