A wireless passive sensing system for displacement/strain measurement in reinforced concrete members
In this study, we show a wireless passive sensing system embedded in a reinforced concrete member successfully being employed for the measurement of relative displacement and strain in a simply supported beam experiment. The system utilizes electromagnetic coupling between the transceiver antenna lo...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/80450 http://hdl.handle.net/10220/46536 |
| _version_ | 1826120231587676160 |
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| author | Ozbey, Burak Erturk, Vakur B. Demir, Hilmi Volkan Altintas, Ayhan Kurc, Ozgur |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Ozbey, Burak Erturk, Vakur B. Demir, Hilmi Volkan Altintas, Ayhan Kurc, Ozgur |
| author_sort | Ozbey, Burak |
| collection | NTU |
| description | In this study, we show a wireless passive sensing system embedded in a reinforced concrete member successfully being employed for the measurement of relative displacement and strain in a simply supported beam experiment. The system utilizes electromagnetic coupling between the transceiver antenna located outside the beam, and the sensing probes placed on the reinforcing bar (rebar) surface inside the beam. The probes were designed in the form of a nested split-ring resonator, a metamaterial-based structure chosen for its compact size and high sensitivity/resolution, which is at µm/microstrains level. Experiments were performed in both the elastic and plastic deformation cases of steel rebars, and the sensing system was demonstrated to acquire telemetric data in both cases. The wireless measurement results from multiple probes are compared with the data obtained from the strain gages, and an excellent agreement is observed. A discrete time measurement where the system records data at different force levels is also shown. Practical issues regarding the placement of the sensors and accurate recording of data are discussed. The proposed sensing technology is demonstrated to be a good candidate for wireless structural health monitoring (SHM) of reinforced concrete members by its high sensitivity and wide dynamic range. |
| first_indexed | 2024-10-01T05:13:09Z |
| format | Journal Article |
| id | ntu-10356/80450 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:13:09Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ntu-10356/804502022-02-16T16:28:49Z A wireless passive sensing system for displacement/strain measurement in reinforced concrete members Ozbey, Burak Erturk, Vakur B. Demir, Hilmi Volkan Altintas, Ayhan Kurc, Ozgur School of Electrical and Electronic Engineering Wireless Passive Sensors Metamaterial Based Sensors DRNTU::Engineering::Electrical and electronic engineering In this study, we show a wireless passive sensing system embedded in a reinforced concrete member successfully being employed for the measurement of relative displacement and strain in a simply supported beam experiment. The system utilizes electromagnetic coupling between the transceiver antenna located outside the beam, and the sensing probes placed on the reinforcing bar (rebar) surface inside the beam. The probes were designed in the form of a nested split-ring resonator, a metamaterial-based structure chosen for its compact size and high sensitivity/resolution, which is at µm/microstrains level. Experiments were performed in both the elastic and plastic deformation cases of steel rebars, and the sensing system was demonstrated to acquire telemetric data in both cases. The wireless measurement results from multiple probes are compared with the data obtained from the strain gages, and an excellent agreement is observed. A discrete time measurement where the system records data at different force levels is also shown. Practical issues regarding the placement of the sensors and accurate recording of data are discussed. The proposed sensing technology is demonstrated to be a good candidate for wireless structural health monitoring (SHM) of reinforced concrete members by its high sensitivity and wide dynamic range. Published version 2018-11-02T05:44:59Z 2019-12-06T13:49:43Z 2018-11-02T05:44:59Z 2019-12-06T13:49:43Z 2016 Journal Article Ozbey, B., Erturk, V. B., Demir, H. V., Altintas, A., & Kurc, O. (2016). A Wireless Passive Sensing System for Displacement/Strain Measurement in Reinforced Concrete Members. Sensors, 16(4), 496-. doi:10.3390/s16040496 1424-8220 https://hdl.handle.net/10356/80450 http://hdl.handle.net/10220/46536 10.3390/s16040496 27070615 en Sensors © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/). 17 p. application/pdf |
| spellingShingle | Wireless Passive Sensors Metamaterial Based Sensors DRNTU::Engineering::Electrical and electronic engineering Ozbey, Burak Erturk, Vakur B. Demir, Hilmi Volkan Altintas, Ayhan Kurc, Ozgur A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title | A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title_full | A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title_fullStr | A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title_full_unstemmed | A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title_short | A wireless passive sensing system for displacement/strain measurement in reinforced concrete members |
| title_sort | wireless passive sensing system for displacement strain measurement in reinforced concrete members |
| topic | Wireless Passive Sensors Metamaterial Based Sensors DRNTU::Engineering::Electrical and electronic engineering |
| url | https://hdl.handle.net/10356/80450 http://hdl.handle.net/10220/46536 |
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