Optical Sensors

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

[+] Author Affiliations
Antonio Bueno

Universidad Politécnica de Valencia, iTEAM Research Institute, Optical and Quantum Communications Group, Camino de Vera s/n, 46022 Valencia, Spain

Benjamín Torres

Universidad Politécnica de Valencia, Instituto de Ciencia y Tecnolgía del Hormigón ICITECH, Camino de Vera s/n, 46022 Valencia, Spain

David Barrera

Universidad Politécnica de Valencia, iTEAM Research Institute, Optical and Quantum Communications Group, Camino de Vera s/n, 46022 Valencia, Spain

Pedro Antonio Calderón

Universidad Politécnica de Valencia, Instituto de Ciencia y Tecnolgía del Hormigón ICITECH, Camino de Vera s/n, 46022 Valencia, Spain

José Manuel Lloris

Instituto Tecnológico de la Construcción AIDICO, Avda. Benjamin Franklin 17, 46980, Paterna, Valencia, Spain

María José López

Instituto Tecnológico de la Construcción AIDICO, Avda. Benjamin Franklin 17, 46980, Paterna, Valencia, Spain

Salvador Sales

Universidad Politécnica de Valencia, iTEAM Research Institute, Optical and Quantum Communications Group, Camino de Vera s/n, 46022 Valencia, Spain

Opt. Eng. 50(12), 124404 (November 18, 2011). doi:10.1117/1.3658760
History: Received August 03, 2011; Revised October 04, 2011; Accepted October 17, 2011; Published November 18, 2011; Online November 18, 2011
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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.

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

Citation

Antonio Bueno ; Benjamín Torres ; David Barrera ; Pedro Antonio Calderón ; José Manuel Lloris, et al.
"Optical fiber sensors embedded in concrete for measurement of temperature in a real fire test", Opt. Eng. 50(12), 124404 (November 18, 2011). ; http://dx.doi.org/10.1117/1.3658760


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