Laser & Optoelectronics Progress, Volume. 62, Issue 3, 0306004(2025)

Identification of Bolt Preload Loss Before and After Corrosion Based on Optical Frequency Domain Reflection Technique

Dapeng Wang* and Wei Dou
Author Affiliations
  • School of Civil Engineering, Suzhou University of Science and Technology, Suzhou 215011, Jiangsu , China
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    References(12)

    [2] Liu H, Liu D Y. Application of ultrasonic detector to testing and measuring the axial force of bolt in the operation of tightening the high strength bolt[J]. China Railway Science, 22, 118-121(2001).

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    [4] Zhuo D B, Cao H. Damage identification of bolt connections based on wavelet time-frequency diagrams and lightweight convolutional neural networks[J]. Engineering Mechanics, 38, 228-238(2021).

    [5] Li X, Gao Y, Wu H et al. Mode recognition method of Φ‑OTDR system based on mixed input neural network[J]. Chinese Journal of Lasers, 50, 1106003(2023).

    [8] Zhang J T, Su L W, Liu C et al. High spatial resolution OFDR based on in-current modulation of DFB laser[J]. Acta Optica Sinica, 43, 2314001(2023).

    [9] An P J, Deng Q L, Xue J Z et al. Calibration method and test for the strain coefficient of distributed optical fiber[J]. Safety and Environmental Engineering, 26, 143-149(2019).

    [10] Wang Y R, Tian S Z. Analysis of surface-bonded strain transfer using optical frequency domain reflectometry bare fiber[J]. Laser & Optoelectronics Progress, 58, 1906005(2021).

    [12] Zhu X R, Huang G Q, Lin L Y et al. Research progress on the long period corrosion law of metallic materials in seawater[J]. Journal of Chinese Society for Corrosion and Protection, 25, 142-148(2005).

    [13] Liu Z K, Liu D F, Qi W. Rapid determination method for the most unfavorable bolt positions in a bolt group subjected to torsion and shear actions[J]. Building Structure, 50, 109-113(2020).

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    Dapeng Wang, Wei Dou. Identification of Bolt Preload Loss Before and After Corrosion Based on Optical Frequency Domain Reflection Technique[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0306004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: May. 31, 2024

    Accepted: Jun. 17, 2024

    Published Online: Feb. 18, 2025

    The Author Email:

    DOI:10.3788/LOP241398

    CSTR:32186.14.LOP241398

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