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Fibre optic system based on FBG sensors for the monitoring of modern structures
DOI:
https://doi.org/10.24425/ace.2022.140652Abstract
The aim of the research was implementation of fibre Bragg grating sensors and the Aramis system to monitor strain, displacement and stress values in new materials used in the building industry. Selected elements of a residential building made of the Polytech material with a 60% content of the EPS granulate from recycling were tested: a prefabricated wall with a lintel, a reinforced concrete floor slab, a lintel, a reinforced concrete column and a wall. Long-term testing was also carried out taking account of changes in environmental conditions. The methodology of the research was based on the development of purpose-made dedicated FBG strain sensors, laboratory calibration and the embedding of the sensors in the tested element structure. The proposed system of continuous measurements made it possible to determine real strain, displacement and stress values in selected elements of the Polytech structure for a facility founded in a difficult geotechnical terrain (subsoil).References
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