Structural Health Monitoring Systems as a Tool for Seismic Protection

Abstract eng:
Structural Health Monitoring for civil structures is becoming increasingly popular in Europe and worldwide also because of the opportunities that it offers in the fields of construction management and maintenance. Reduction of inspection costs, research, with the possibility to better understand the behaviour of structures under dynamic loads, seismic protection, observation, in real or near real-time, of the structural response and of evolution of damage, so that it is possible to produce post-earthquake scenarios and support rescue operations, are the main advantages related to the implementation of such techniques. Thus, Structural Health Monitoring is a very multidisciplinary field, where a number of different skills (seismology, electronic and civil engineering, computer science) and institutions can work together in order to increase performance and reliability of such systems, whose promising perspectives seem to be almost clearly stated. Among the main issues currently on field, it is worth mentioning the development of sensors characterized by increasing performances and of wireless sensors networks, techniques for modal parameters identification and for damage detection. Sensor technology, however, develop faster than algorithms for modal identification and damage detection. In this paper, a Structural Health Monitoring systems network designed by University of Molise and University of Naples “Federico II”, and currently under implementation, is described, pointing out the solutions adopted to build a reliable SHM system. At completion, such a system will cover a wide range of structures over Molise and Neapolitan territories, taking advantage of its distributed infrastructure and of opportunities given by IT.

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