USE OF OPTICAL SENSORS FOR CRACK DETECTION ON BRIDGES
Keywords:
Optical sensors, crack detection, structural monitoring, bridges,, Fiber Bragg GratingAbstract
Bridges are vital infrastructure in the transportation system that require
regular maintenance to ensure user safety. One of the structural damages that
often occurs is the appearance of cracks in bridge components, which if not
detected early can cause fatal damage to collapse. This study aims to evaluate the
effectiveness of the use of optical sensors in detecting cracks in bridge structures
in real-time. The methodology used is a literature study of various types of optical
sensors, especially Fiber Bragg Grating (FBG), as well as an analysis of case
studies of their application in several bridge constructions. The results of the
study show that optical sensors are able to detect micro deformations with high
accuracy, are resistant to electromagnetic interference, and can be integrated into
long-term structural monitoring systems. The conclusion of this study confirms
that optical sensors have great potential as an early detection technology for
structural damage, and make a significant contribution to the development of
smarter and more sustainable infrastructure monitoring systems in the world of
civil engineering. more efficient and proactive bridge infrastructure maintenance.
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