MP

M. Pescara

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Book chapter (2022) - C. di Prisco, C. Callari, A. Meda, M. Pescara, G. Plizzari, G. Tiberti, A. Sciotti, M. Barbero, E. Bilotta, G. Russo, D. Boldini, A. Desideri, L. Flessati, A. Graziani, A. Luciani
This chapter is devoted to the presentation of the most popular approaches employed to design mitigation measures. Initially, the mitigation measures necessary for a safe excavation and a permanent cavity stabilization are considered. Subsequently, the observational method, a design procedure aimed at optimizing the management of the unavoidable geological and geotechnical uncertainties affecting both tunnel design and construction, is presented. Finally, the long-term tunnel performance under accidental loads is discussed. ...