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I'm a Doctor of Philosophy in Geotechnical Engineering. My main research topic is the Viscoplastic Behaviour of Tunnels in Squeezing Conditions.



Daniele DebernardiDaniele Debernardi was born in Biella (Italy) in 1979. He graduated as a Civil Engineer, structural eng. specialization, in 2004 at the Politecnico di Torino with a MSc thesis on “Specialistic tests and back analyses regarding the excavation of deep tunnels in Clay-Shales taking into account the time dependency” which was rewarded with the worthy of publication and some awards. He pursued the PhD in Geotechnical Engineering in 2008 at the Politecnico di Torino, disserting a thesis on “Viscoplastic Behaviour and Design of Tunnels”, the principal adviser being Prof. Giovanni Barla. After completing the PhD he was involved in the research activities at the Politecnico, serving as a Research Assistant.

He has been investigating the time-dependent behaviour of weak rocks in high squeezing conditions with reference to tunnel excavation in the framework of tunnelling in difficult conditions, both from the experimental and theoretical point of view. The case study of the PhD research was the Saint Martin La Porte access adit of Torino-Lyon Base Tunnel, which experienced very important squeezing problems during excavation. This work brought to the development of a new advanced viscoplastic constitutive model, called SHELVIP (Stress Hardening ELasto VIsco Plastic), which showed a great ability to reproduce the monitored behaviour of tunnels in squeezing conditions.

Research interests also involve the study of the mechanical behaviour of geotechnical materials at the laboratory scale by using advanced equipments, the study of squeezing behaviour of weak rocks, and the numerical modelling of tunnels in difficult conditions.

He is author of some scientific papers on international journals and on conference proceedings. He is a member of AGI, Associazione Geotecnica Italiana, and ISRM, International Society for Rock Mechanics.