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Proceedings Paper

Measurement of internal strain and vibration of structure by embedded optical fiber strain sensors
Author(s): Hong Zhao; Zhengyuan Cao; Ruhua Fang; Junsheng Feng
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Paper Abstract

Signal optical fiber is embedded in reinforced concrete structure to measure internal strain and vibration of structure using Mach-Zehnder interferometer. Calibration test is designed to identify material parameter of optical fiber, so internal strain of concrete structure is measured. In vibration test, amplitude and period of structure are measured, and vibration response property of structure is obtained. The experiment is verified using typical specimen. The research has important application prospect for the measurement of internal strain, vibration monitoring and damage assessment of structure.

Paper Details

Date Published: 13 August 1998
PDF: 5 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); doi: 10.1117/12.318168
Show Author Affiliations
Hong Zhao, Tongji Univ. (China)
Zhengyuan Cao, Tongji Univ. (China)
Ruhua Fang, Tongji Univ. (China)
Junsheng Feng, Yangzhou Univ. (China)


Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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