Applications of Fiber Optic Sensors
Fiber
optic sensors are used in several areas. Specifically:
• Measurement
of physical properties such as strain, displacement, temperature, pressure,
velocity, and acceleration in structures of any shape or size.
• Monitoring
the physical health of structures in real time.
• Buildings
and Bridges: Concrete monitoring during setting, crack (length, propagation
speed) monitoring, prestressing monitoring, spatial displacement measurement,
neutral axis evolution, long-term deformation (creep and shrinkage) monitoring,
concrete-steel interaction, and post-seismic damage evaluation.
• Tunnels:
Multipoint optical extensometers, convergence monitoring, shotcrete /
prefabricated vaults evaluation, and joints monitoring damage detection.
• Dams:
Foundation monitoring, joint expansion monitoring, spatial displacement
measurement, leakage monitoring, and distributed temperature monitoring.
•
Heritage structures: Displacement monitoring, crack opening analysis,
post-seismic damage evaluation, restoration monitoring, and old-new
interaction.
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