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Comparison of two novel types of sensor to monitor the strain of concrete in F-T tests
Author(s): Haifeng Lv; Kaixing Liao; Xianglong Kong; Shengyuan Li; Yanbing Ding; Changsen Sun; Xuefeng Zhao
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Paper Abstract

In order to monitor the strain of concrete caused by freeze-thaw (F-T) cycles, two novel types of white light interferometer (WLI) sensor are designed and tested. The first type of sensor is poured the whole saturated concrete cylinder which coiled optical fiber with epoxy for encapsulation, and the second type coat neutral silicone sealant on the surface of cylinder, where enwound with optical fiber only. Each of the type was conducted on two sensors, the sensor of the first type was named W-sensor, and the sensor of the second type was named S-sensor. The comparison of the two novel types of sensor was conducted based on the test results, and the test result showed that though all of the two types of sensor can monitor the variation of strain with the process of F-T cycles, however, the type of S-sensor is more stability and reasonable.

Paper Details

Date Published: 5 April 2017
PDF: 6 pages
Proc. SPIE 10170, Health Monitoring of Structural and Biological Systems 2017, 101702S (5 April 2017); doi: 10.1117/12.2259749
Show Author Affiliations
Haifeng Lv, Dalian Univ. of Technology (China)
Kaixing Liao, Suzhou Nuclear Power Research Institute (China)
Xianglong Kong, Suzhou Nuclear Power Research Institute (China)
Shengyuan Li, Dalian Univ. of Technology (China)
Yanbing Ding, Dalian Univ. of Technology (China)
Changsen Sun, Dalian Univ. of Technology (China)
Xuefeng Zhao, Dalian Univ. of Technology (China)


Published in SPIE Proceedings Vol. 10170:
Health Monitoring of Structural and Biological Systems 2017
Tribikram Kundu, Editor(s)

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