Retrofit and monitoring of an historical building using “Smart” CFRP with embedded fibre optic Brillouin sensors

Bastianini, Filippo, Corradi, Marco, Borri, Antonio and di Tommaso, Angelo (2005) Retrofit and monitoring of an historical building using “Smart” CFRP with embedded fibre optic Brillouin sensors. Construction and Building Materials, 19 (7). pp. 525-535. ISSN 09500618

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This paper presents the results of a real-scale experimental work regarding innovative seismic retrofitting technique for masonry walls and vaults by epoxy-bonded composite strengthenings. Palazzo Elmi-Pandolfi in Foligno (Italy), an historical building dated 1600 that was seriously damaged in the earthquake of 1997, has been repaired and retrofitted including carbon FRP (CFRP) strengthenings, whose effectiveness has been evaluated through dynamic and static tests.

Brillouin technology is an ideal complement for similar retrofit applications, since the low cost of the sensor makes monitoring all the critical areas rather affordable, while the distributed sensing feature allow to detect anomalies in load transfer between FRP and substrate and the location of eventual cracking patterns. Furthermore, Brillouin sensitivity to both strain and temperature can be used also to ensure that the glass transition temperature of the composite matrix is never approached. In this work, preliminary tests were performed in order to assess Brillouin monitoring effectiveness in real applications for strain monitorage and crack detection.

Item Type: Article
Uncontrolled Keywords: Masonry, FRP materials, testing, monitorage, FOS, Brillouin
Subjects: H200 Civil Engineering
K200 Building
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 04 Aug 2014 09:28
Last Modified: 13 Oct 2019 00:23

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