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Optical Engineering

Optical fiber sensors embedded in concrete for measurement of temperature in a real fire test
Author(s): Antonio Bueno; David Barrera-Villar; Salvador Sales; Benjamín Torres; Pedro A. Calderón; Jose Manuel Lloris-Cormano; María J. Lopez-Tendero
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Paper 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.

Paper Details

Date Published: 1 December 2011
PDF: 8 pages
Opt. Eng. 50(12) 124404 doi: 10.1117/1.3658760
Published in: Optical Engineering Volume 50, Issue 12
Show Author Affiliations
Antonio Bueno, Univ. Politécnica de Valencia (Spain)
David Barrera-Villar, Univ. Politécnica de Valencia (Spain)
Salvador Sales, Univ. Politécnica de Valencia (Spain)
Benjamín Torres, Univ. Politécnica de Valencia (Spain)
Pedro A. Calderón, Univ. Politécnica de Valencia (Spain)
Jose Manuel Lloris-Cormano, Instituto Tecnológico de la Construcción (Spain)
María J. Lopez-Tendero, Instituto Tecnológico de la Construcción (Spain)

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