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Structural Health Monitoring (SHM) may play a vital role to ensure the longevity of historic structures preserving their cultural and architectural value. This paper explores the use of fibre Bragg gratings (FBGs) in heritage SHM systems, highlighting their non-intrusive nature and multiplexing capabilities. These sensors offer a unique advantage by providing real-time data on structural integrity without compromising the authenticity of the building. The integration of FBG based sensors into heritage buildings demonstrates their potential to monitor stresses, strains and environmental conditions, thereby aiding in the early detection of structural problems. This study focuses on a specific application at the Monastery of Batalha, where the structural integrity of a cloister is being assessed using a SHM system, with the primary objective of detecting potential active movement at critical points within the cloister. To this end, a survey of the geometry and pathology of the cloister was carried out using laser scanning technology. The research highlights the importance of choosing sensors that prevent irreversible damage, while facilitating accurate data collection for informed conservation efforts.
Bourgeois et al. (Tue,) studied this question.