Fiber optic chloride sensing: if corrosion's the problem, chloride sensing is the key

Peter L. Fuhr; Brian D. MacCraith; Dryver R. Huston; Mario Guerrina; Matthew Nelson

doi:10.1117/12.285596

2 September 1997 Fiber optic chloride sensing: if corrosion's the problem, chloride sensing is the key

Peter L. Fuhr, Brian D. MacCraith, Dryver R. Huston, Mario Guerrina, Matthew Nelson

Proceedings Volume 3180, Third Pacific Northwest Fiber Optic Sensor Workshop; (1997) https://doi.org/10.1117/12.285596
Event: Third Pacific Northwest Fiber Optic Sensor Workshop, 1997, Troutdale, OR, United States

Abstract

The use of chloride-based deicing agents to help clear US highways of roadway hazards leads to associated chemical related problems. Fouling of local rivers and streams due to runoff of the water borne chlorides is significant and has contributed to local ordances are attempting to force state agencies to reduce, if not eliminate, the use of these chlorides. With respect to the corrosion aspects of chloride application, cracks that occur in the roadway/bridge pavement allow water to seep into the pavement carrying the chloride to the rebar with the resultant increase in corrosion. The costs of this corrosion are considerable and have led to the widespread use of chloride/water impermeable membranes on roadways and especially within bridges. Fiber optic sensor have repeatedly been shown to provide measurement capabilities of parameters within such reinforced concrete structures. Development of a fiber optic chloride sensors capable of being embedded within a roadway or bridge deck is reported.

Citation Download Citation

Peter L. Fuhr, Brian D. MacCraith, Dryver R. Huston, Mario Guerrina, and Matthew Nelson "Fiber optic chloride sensing: if corrosion's the problem, chloride sensing is the key", Proc. SPIE 3180, Third Pacific Northwest Fiber Optic Sensor Workshop, (2 September 1997); https://doi.org/10.1117/12.285596

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