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首页> 外文期刊>Journal of aerospace engineering >Development of Large-Strain Macrobend Optical-Fiber Sensor with Helical-Bending Structure for Pavement Monitoring Application
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Development of Large-Strain Macrobend Optical-Fiber Sensor with Helical-Bending Structure for Pavement Monitoring Application

机译:大应变宏观光纤传感器的开发,具有螺旋弯曲结构,用于路面监测应用

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摘要

With the rapid development of optical-fiber sensing technology recent years, it has been widely used for various purposes in engineering fields. However, the strain concentration generated by different types of pavement damage may exceed the ultimate tensile strain of many types of optical-fiber sensors, resulting in a low survival rate. To solve this problem, in this paper, a macrobend opticalfiber sensor with a helical-bending structure is developed and tested. Theoretical calculations and laboratory experiments have been conducted to verify the applicability of this novel optical-fiber strain sensor for pavement strain monitoring. Results show that it has a greater strain measurement range with satisfactory accuracy and is a promising approach to monitor the mechanical response of pavement under actual loads. (c) 2019 American Society of Civil Engineers.
机译:随着光纤传感技术的快速发展近年来,它已广泛用于工程领域的各种目的。然而,由不同类型的路面损坏产生的应变浓度可能超过许多类型的光纤传感器的最终拉伸应变,导致生存率低。为了解决这个问题,在本文中,开发并测试了具有螺旋弯曲结构的大型光学纤维纤维传感器。已经进行了理论计算和实验室实验,以验证该新型光纤应变传感器进行路面应变监测的适用性。结果表明,它具有更大的应变测量范围,精度令人满意,是一种有希望的方法,可以在实际载荷下监测路面的机械响应。 (c)2019年美国土木工程学会。

著录项

  • 来源
    《Journal of aerospace engineering》 |2019年第3期|04019021.1-04019021.10|共10页
  • 作者单位

    Univ Sci & Technol Beijing Natl Ctr Mat Serv Safety Beijing 100083 Peoples R China;

    Univ Sci & Technol Beijing Joint USTB Virginia Tech Lab Multifunct Mat Beijing 100083 Peoples R China|Virginia Tech Dept Civil & Environm Engn Blacksburg VA 24061 USA;

    Univ Sci & Technol Beijing Natl Ctr Mat Serv Safety Beijing 100083 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Optical-fiber sensor; Helical structure; Macrobend loss; Strain;

    机译:光纤传感器;螺旋结构;宏观损失;应变;

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