Sensors and Bridge Monitoring System

Abstract

Rapid developments of structural sensing and control, data acquisition and processing, and computer technologies have made it feasible to monitor the structural health of large-scale structures in real time. SHM of large-scale infrastructures has increasingly attracted extensive interests from both fields of research and application. Based on recent research achievements of developing smart SHM systems in Ibaraki University, cost evaluation study on introducing bridge monitoring is shown first and then distributed long-gauge FBG (Fiber Bragg Grating) sensing technique is introduced which is one of the distributed sensing technologies such as Brillouin scattering-based sensing and HCFRP (Hybrid Carbon Fiber Reinforced Polymer) sensing.

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