Structural health monitoring of in-service tunnels
by Marco Domaneschi; Sara Casciati; Necati Catbas; Gian Paolo Cimellaro; Daniele Inaudi; Giuseppe Carlo Marano
International Journal of Sustainable Materials and Structural Systems (IJSMSS), Vol. 4, No. 2/3/4, 2020

Abstract: This work presents an overview of some of the most promising technologies for the structural health monitoring (SHM) of in-service tunnels. The common goal of damage or unusual behaviour detection is best pursued by an integrated approach based on the concurrent deployment of multiple technologies. Typically, traditional SHM systems are installed in problematic or special areas of the tunnels, giving information on conditions and helping manage maintenance. However, these methodologies often have the drawbacks of forcing the interruption of traffic for SHM system installation and monitoring only selected portions. Alternative solutions that would make it possible to keep the tunnel in normal operation and/or to analyse the entire infrastructure development through successive and continuous scanning stages, would be beneficial. In this paper, the authors will briefly review some traditional monitoring technologies for tunnels. Furthermore, the work is aimed at identifying alternative solutions, limiting or avoiding traffic interruptions.

Online publication date: Wed, 19-Aug-2020

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