Experiences with real-life fiber optic bridge monitoring installations

Abstract

We present a brief overview of real-life bridge structural health monitoring (SHM) installations using fiber Bragg grating sensing technology. We review and describe the associated successes, challenges and lessons learned for SHM projects. In general, project successes are coupled to improved sensing tools: better sensor packages, simpler and less expensive instrumentation, improved installation techniques, and more efficient data analysis tools. Some shortcomings are the direct result or poor project planning and communications. Particular attention is given to the benefits and economics of instrumenting civil structures - when and how it pays. © RILEM 2013.