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Proceedings Paper

Study on the creep properties of distributed optical fiber sensors
Author(s): Shiwei Song; Caiqian Yang; Zhishen Wu; Yufeng Zhang; Sheng Shen
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Paper Abstract

In this paper, based on the distributed optical fiber strain sensing technology of pulse-pre-pump Brillouin Optical Time Domain Analysis (PPP-BOTDA), the creep properties of two types of optical fiber sensors, i.e. single mode optical fiber with jacket (Type-A) and optical fiber with UV resin coating (Type-B), were studied at different load (60g~600g) amplitudes. Experimental results show that there exists some creep for both types in initial loading period and tend to level off with time. But for Type-B, the strain variation is 5% of initial strain, and the stabilization time is about 48h, both of which are obviously smaller than those of Type-A. As a result, it is revealed that Type-B is characterized by a smaller creep, suitable for the long-term monitoring of infrastructures.

Paper Details

Date Published: 31 March 2010
PDF: 9 pages
Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 76472M (31 March 2010); doi: 10.1117/12.847448
Show Author Affiliations
Shiwei Song, Southeast Univ. (China)
Caiqian Yang, Southeast Univ. (China)
Zhishen Wu, Southeast Univ. (China)
Jiangsu Transportation Research Institute (China)
Yufeng Zhang, Jiangsu Transportation Research Institute (China)
Sheng Shen, Southeast Univ. (China)


Published in SPIE Proceedings Vol. 7647:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010
Masayoshi Tomizuka, Editor(s)

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