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13 December 2021 Two-parameter distributed fiber optical sensor for measurement of suspension bridge cables
YuQiong Wu, Kun Ma, Xi Luo
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Proceedings Volume 12075, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Intelligent Sensing Technologies and Applications; 120750J (2021) https://doi.org/10.1117/12.2604185
Event: Tenth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2021), 2021, Chengdu, China
Abstract
The cable is the most important part of suspension bridge, which is related to the structural safety, and can easily be damaged by environmental factors. It is difficult to record and feedback the damage of the cable in suspension bridge with the existing non-destructive measurement technology. It is also very difficult to calculate the extent and location of the cable damage according to the measurement results. By using two-parameter distributed fiber optical sensor, the strain, amplitude and frequency of the cable can be measured accurately at the same time, and the information for damage identification of the cable can be directly fed back in time. According to the characteristics of the cable, the key parameters measured by the two-parameter distributed fiber optical sensor can also be further calculated, and the results will be verified by each other to improve the accuracy and reliability of the test. The two-parameter distributed fiber optical sensor can realize long-term detection, which is beneficial to the integrity and reliability of the operating information of suspension bridge.
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YuQiong Wu, Kun Ma, and Xi Luo "Two-parameter distributed fiber optical sensor for measurement of suspension bridge cables", Proc. SPIE 12075, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Intelligent Sensing Technologies and Applications, 120750J (13 December 2021); https://doi.org/10.1117/12.2604185
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KEYWORDS
Bridges
Fiber optics sensors
Rayleigh scattering
Fiber optics
Sensors
Optical fibers
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