Fiber optic sensor applications in transportation infrastructure protection

David Krohn; Paul Nicholls

doi:10.1117/12.820797

29 April 2009 Fiber optic sensor applications in transportation infrastructure protection

David Krohn, Paul Nicholls

Proceedings Volume 7314, Photonics in the Transportation Industry: Auto to Aerospace II; 731407 (2009) https://doi.org/10.1117/12.820797
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

In a recent study (1) on transportation infrastructure, the results are very disturbing. It states that 83% of the United States transportation infrastructure in not capable of meeting the needs of the next 10 years. While other countries have been more aggressive in infrastructure development and monitoring, the United States is lagging behind. There are a broad range of infrastructure sensing applications in transportation that are not being met. Many of these vital assets are aging or not adequately monitored with the potential for catastrophic failure. As examples, the bridge failure in Minneapolis, Minnesota was due to a structural failure. Fire safety problems, with recent life-loss fires, in road tunnels are challenging due to specific features of their infrastructure, nature of traffic using them and insufficient safety rules on vehicles. As a result, road tunnel fire safety issues are a concern. NIST has recognized the need and is funding innovative research for the development of infrastructure monitoring and inspection technologies. Specifically, NIST through its Technology Innovation Program (TIP) will fund the development of a network of distributed, integrated sensor architectures that will monitor bridges, roadways, tunnels, dams and other critical infrastructure applications (2) Many of these applications can be facilitated by using fiber optic sensors. This paper will specifically address monitoring bridges and tunnels using distributed fiber optic sensors to monitor strain, vibration, temperature and the associated benefits.

Citation Download Citation

David Krohn and Paul Nicholls "Fiber optic sensor applications in transportation infrastructure protection", Proc. SPIE 7314, Photonics in the Transportation Industry: Auto to Aerospace II, 731407 (29 April 2009); https://doi.org/10.1117/12.820797

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