Distributed fibre optic sensors in FRP composite bridge monitoring: validation through proof load tests
Authors:
- Tomasz Siwowski,
- Mateusz Rajchel,
- Tomasz Howiacki,
- Rafał Sieńko,
- Łukasz Bednarski
Abstract
The distributed fibre optic sensors (DFOS) technique based on Rayleigh scattering has been chosen as the basic structural health monitoring (SHM) system of the first Polish fibre reinforced polymer (FRP) composite bridge. The validation of the DFOS technique is critical to address the development of a monitoring system with improved accuracy and spatial resolution tailored for the FRP bridge application. The validation through proof load tests and finite element analysis (FEA) has been performed to ensure accurate and reliable DFOS readings. Two additional strain measurements techniques were implemented to validate DFOS, i.e. common foil strain gauges and vibrating wire strain gauges. The DFOS strain profiles were first compared with discrete strain measurements and then converted into deflection profiles and validated against discrete deflection measurements performed with common linear variable differential transducers. The additional validation based on the comparison of the measurement profiles with the results of FEA has been also performed. Based on the experimental and numerical results it has been revealed the DFOS technique is a reliable and accurate method to be implemented for FRP bridge monitoring.
- Record ID
- CUT8f6b04d3ec8b45c48f8e3226cc5b1820
- Publication categories
- ;
- Author
- Journal series
- Engineering Structures, ISSN 0141-0296, e-ISSN 1873-7323
- Issue year
- 2021
- Vol
- 246
- Pages
- [1-13]
- Article number
- 113057
- Other elements of collation
- fot.; rys.; schem.; tab.; wykr.; Bibliografia (na s.) - 12-13; Bibliografia (liczba pozycji) - 47; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 246
- Keywords in English
- FRP composite bridge, fibre optic sensing, distributed fibre optic sensors, measurement validation, finite element analysis, structural health monitoring
- DOI
- DOI:10.1016/j.engstruct.2021.113057 Opening in a new tab
- URL
- https://www.sciencedirect.com/science/article/pii/S0141029621011962 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 140
- Publication indicators
- = 29
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT8f6b04d3ec8b45c48f8e3226cc5b1820/
- URN
urn:pkr-prod:CUT8f6b04d3ec8b45c48f8e3226cc5b1820
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.