Singlemode-multimode-singlemode fiber structure as compressive strain sensor on a reinforced concrete beam

Chew, S.P. and Zulkifli, A.Z. and Hamad, H. and Harun, Sulaiman Wadi and Lee, L.Y. and Razak, H.A. and Adikan, Faisal Rafiq Mahamd (2018) Singlemode-multimode-singlemode fiber structure as compressive strain sensor on a reinforced concrete beam. Optik, 154. pp. 705-710. ISSN 0030-4026

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Official URL: https://doi.org/10.1016/j.ijleo.2017.10.033

Abstract

In this paper, we demonstrate a single-mode–multimode–single-mode (SMS) fiber structure to measure compressive strain in the elastic regime of a reinforced concrete beam. The fabrication method used to produce a 3.12 m reinforced concrete beam that met the Euro code (EC2) requirements was also demonstrated in this work. Strain measurement via the SMS sensor was calibrated using an electrical resistance strain gauge and a data logger to obtain accurate measurements of the strain. A linear transmission spectral red shift was observed as the strain value was increased from 0 mm/mm to 0.000116 mm/mm. Hence, the SMS sensor could provide a sensitivity of 3778.1 nm/(mm/mm) with a linearity of 0.9661.

Item Type: Article
Uncontrolled Keywords: Reinforced concrete beam; Strain measurement; Singlemodemultimode-singlemode (SMS) fiber structure
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Nov 2018 03:37
Last Modified: 23 Nov 2018 03:37
URI: http://eprints.um.edu.my/id/eprint/19713

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