A Fibre-optic Strain Measurement System to Monitor the Impact of Tunnelling on Nearby Heritage Masonry Buildings

Acikgoz, Sinan; Fidler, Paul; Pascariello, M.N.; Kechavarzi, Cédric; Bilotta, Emilio; DeJong, Matthew J.; Mair, RJ

doi:10.1080/15583058.2021.1884318

Cited by 2 publications

(1 citation statement)

References 29 publications

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“…In addition, monitoring strain in buildings threatened by environmental or man-made factors helps specialists to take timely remedial measures. Some buildings from the past centuries are already equipped with distributed optical fiber sensor systems that provide useful information about the structural behavior of the buildings [29][30][31][32][33].…”

Section: Methods For Detecting Damage To Civil Engineering Structuresmentioning

confidence: 99%

Assessment of Cracking in Masonry Structures Based on the Breakage of Ordinary Silica-Core Silica-Clad Optical Fibers

Khotiaintsev

Timofeyev

2022

Applied Sciences

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This paper presents a study on the suitability and accuracy of detecting structural cracks in brick masonry by exploiting the breakage of ordinary silica optical fibers bonded to its surface with an epoxy adhesive. The deformations and cracking of the masonry specimen, and the behavior of pilot optical signals transmitted through the fibers upon loading of the test specimen were observed. For the first time, reliable detection of structural cracks with a given minimum value was achieved, despite the random nature of the ultimate strength of the optical fibers. This was achieved using arrays of several optical fibers placed on the structural element. The detection of such cracks allows the degree of structural danger of buildings affected by earthquake or other destructive phenomena to be determined. The implementation of this technique is simple and cost effective. For this reason, it may have a broad application in permanent damage-detection systems in buildings in seismic zones. It may also find application in automatic systems for the detection of structural damage to the load-bearing elements of land vehicles, aircraft, and ships.

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Section: Methods For Detecting Damage To Civil Engineering Structuresmentioning

confidence: 99%

Assessment of Cracking in Masonry Structures Based on the Breakage of Ordinary Silica-Core Silica-Clad Optical Fibers

Khotiaintsev

Timofeyev

2022

Applied Sciences

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Numerical modelling of the response of two heritage masonry buildings to nearby tunnelling

Pascariello

Luciano²,

Bilotta³

et al. 2023

Tunnelling and Underground Space Technology

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A Fibre-optic Strain Measurement System to Monitor the Impact of Tunnelling on Nearby Heritage Masonry Buildings

Cited by 2 publications

References 29 publications

Assessment of Cracking in Masonry Structures Based on the Breakage of Ordinary Silica-Core Silica-Clad Optical Fibers

Assessment of Cracking in Masonry Structures Based on the Breakage of Ordinary Silica-Core Silica-Clad Optical Fibers

Numerical modelling of the response of two heritage masonry buildings to nearby tunnelling

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