Optical fiber sensors embedded in concrete for measurement of temperature in a real fire test

Antonio Bueno; David Barrera-Villar; Salvador Sales; Benjamín Torres; Pedro A. Calderón; Jose Manuel Lloris-Cormano; María J. Lopez-Tendero

doi:10.1117/1.3658760

1 December 2011 Optical fiber sensors embedded in concrete for measurement of temperature in a real fire test

Antonio Bueno, David Barrera-Villar, Salvador Sales, Benjamín Torres, Pedro A. Calderón, Jose Manuel Lloris-Cormano, María J. Lopez-Tendero

Author Affiliations +

Optical Engineering, Vol. 50, Issue 12, 124404 (December 2011). https://doi.org/10.1117/1.3658760

Abstract

We present the results of a real fire test using optical fiber sensors embedded in concrete samples. The temperature curve used in this experiment is described in the Spanish/European standard UNE-EN 1363-1 temperature profile for normalized concrete resistance to real fire tests, reaching temperatures of more than 1000°C inside the fire chamber and up to 600°C inside the concrete samples. Three types of optical sensors have been embedded in concrete: 1. standard fiber Bragg gratings inscribed in photosensitive germanium-boron co-doped fiber, 2. regenerated fiber Bragg grating (RFGB) inscribed in germanium doped fiber, and 3. RFBG inscribed in germanium-boron co-doped fiber.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Antonio Bueno, David Barrera-Villar, Salvador Sales, Benjamín Torres, Pedro A. Calderón, Jose Manuel Lloris-Cormano, and María J. Lopez-Tendero "Optical fiber sensors embedded in concrete for measurement of temperature in a real fire test," Optical Engineering 50(12), 124404 (1 December 2011). https://doi.org/10.1117/1.3658760

Published: 1 December 2011

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