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Ingeniería y Ciencia
versión impresa ISSN 1794-9165
Resumen
VELEZ-HOYOS, Francisco Javier; SERPA-IMBET, Claudia Milena y GOMEZ-CARDONA, Nelson Darío. Microdeformation measurement of concrete roadway slabs using fiber Bragg gratings. ing.cienc. [online]. 2010, vol.6, n.11, pp.35-45. ISSN 1794-9165.
This work shows a non-invasive method for micro-deformation measurements of concrete structures using Bragg grating sensors in optical fibers adhered to the surface. Measurements on roadway slabs under a 10 kN static load are made, finding an approximated ratio of 2 : 1 between the deformation registered by the sensors and the values from a computational simulation with the finite element method. We propose the use of these sensors for slab structural monitoring in a road network employing distributed and wavelength multiplexed sensors. This is a first report in Colombia of roadway slabs microdeformation measurement using fiber optic sensors.
Palabras clave : fiber optic sensors; optical fiber Bragg gratings; concrete roadway slabs; finite element method.