Interferometric Sensors and Sensing Technologies for Structural Health Monitoring

Dear Colleagues,

Structural health monitoring (SHM) and damage identification of structural systems are essential to extend the working life of structures subjected to aging degradation, allowing the increase of safety and reliability and the optimization of proactive maintenance operations. Damage detection and continuous monitoring require advanced proper sensing techniques. In this context, an important role can be played by radar interferometry and optical fiber sensors. Radar interferometry provides a well-established microwave interferometric technique which combines coherent radar acquisition to extract the interferometric phase related to the displacements occurring in the monitored structure. On the other hand, optical fiber sensors, i.e., based on extrinsic Fabry–Perot interferometer (EFPI) or on fiber Bragg gratings (FBGs) sensors, are becoming more and more popular to monitor the local and global mechanical behavior of civil engineering infrastructures, allowing real time in situ measurements with the intrinsic advantages of optical fibers, such as immunity to electromagnetic interference, high sensitivity, reduced size, and multiplexibility. The aim of this Special Issue is to take a step forward, showing how information provided by interferometric sensors can integrate that of other sensing technologies and modeling techniques in SHM. The goal of this Special Issue is to gather high-quality original research articles and reviews on current research studying methods and data analysis involving the application of interferometric sensors to the monitoring of infrastructures (e.g., displacements, vibrations frequencies, accelerations). We seek new advances involving interferometric sensors applied to the SHM. We also welcome studies on sensing technologies (e.g., optical systems, total stations, GNSS, camera, laser scanning, LiDAR systems, and geotechnical sensors) and static and dynamic modeling techniques integrating measurements of interferometric sensors.

We are inviting submissions associated with the following applications:

Bridges;

Concrete and earth-filled dams;

Towers;

Wind towers;

Tunnels;

Harbor and airport infrastructures;

Road and railway infrastructures;

Retaining walls;

Modern and historical buildings;

Mines.

Dr. Giovanni Nico
Prof. Dr. Stefania Campopiano
Dr. Giuseppina Prezioso
Guest Editors

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