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Strain behaviour of exposed steel reinforcement bars using FBG sensor

Mohd Saman, Hamidah and M. J., Mohd Faizal and Muhd Sidek, Muhd Norhasri and Ismail, Noorli and S., Vasagavijayan (2013) Strain behaviour of exposed steel reinforcement bars using FBG sensor. In: InCIEC 2013 International Civil and Infrastructure Engineering Conference, 22-24 September 2013, Kuching, Malaysia.


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Fiber Bragg grating (FBG) sensor system is being widely used as strain measurement system for civil structures. Nowadays, interest in using FBG sensor has been increased and widely used for health structural monitoring. In this paper, preliminary investigation on strain measurement for steel reinforcement bars due to different corrosion accelerated conditions is reported. The FBG sensors are used to measure the strain changes which the FBG sensor was glued to the surface of steel bars. Three (3) different corrosion accelerated conditions namely room temperature (RT), 5% of sodium chloride (NaCl) solution and distilled water (DW) were used to develop the strain change in steel reinforcement. The results shows that the corrosion accelerated is significantly affect the overall strain change on the steel bars. FBG sensors are also able to capture the strain of steel bars due to corrosion accelerated variations. In addition, the results obtained from the FBG sensors reveal that the strain of steel rods immersed in 5% NaCl solution was higher as compared to those immersed in distilled water and those exposed to room temperature.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: strain monitoring; steel reinforcement bars; fiber Bragg grating; corrosion accelerated conditions
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Civil and Environmental Engineering > Department of Construction Engineering and Architecture
Depositing User: Normajihan Abd. Rahman
Date Deposited: 13 Aug 2018 03:38
Last Modified: 13 Aug 2018 03:38
URI: http://eprints.uthm.edu.my/id/eprint/8315
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