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Sensors 2012, 12(8), 10001-10013; doi:10.3390/s120810001
Article

Research on a Novel Low Modulus OFBG Strain Sensor for Pavement Monitoring

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Received: 25 June 2012; in revised form: 16 July 2012 / Accepted: 17 July 2012 / Published: 25 July 2012
(This article belongs to the Section Physical Sensors)
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Abstract: Because of the fatigue and deflection damage of asphalt pavement, it is very important for researchers to monitor the strain response of asphalt layers in service under vehicle loads, so in this paper a novel polypropylene based OFBG (Optical Fiber Bragg Gratings) strain sensor with low modulus and large strain sensing scale was designed and fabricated. PP with MA-G-PP is used to package OFBG. The fabrication techniques, the physical properties and the sensing properties were tested. The experimental results show that this kind of new OFBG strain sensor is a wonderful sensor with low modulus (about 1 GPa) and good sensitivity, which would meet the needs for monitoring some low modulus materials or structures.
Keywords: OFBG; strain measuring; low modulus; asphalt concrete OFBG; strain measuring; low modulus; asphalt concrete
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Wang, C.; Hu, Q.; Lu, Q. Research on a Novel Low Modulus OFBG Strain Sensor for Pavement Monitoring. Sensors 2012, 12, 10001-10013.

AMA Style

Wang C, Hu Q, Lu Q. Research on a Novel Low Modulus OFBG Strain Sensor for Pavement Monitoring. Sensors. 2012; 12(8):10001-10013.

Chicago/Turabian Style

Wang, Chuan; Hu, Qingli; Lu, Qiyu. 2012. "Research on a Novel Low Modulus OFBG Strain Sensor for Pavement Monitoring." Sensors 12, no. 8: 10001-10013.



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