Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors
Optical fiber-based sensors “embedded” in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures. The design aims to monitor common SHM parameters su...
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| Format: | Article |
| Language: | English |
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MDPI AG
2017-02-01
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| Series: | Sensors |
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| Online Access: | http://www.mdpi.com/1424-8220/17/2/345 |
| _version_ | 1798042361453871104 |
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| author | Kort Bremer Frank Weigand Yulong Zheng Lourdes Shanika Alwis Reinhard Helbig Bernhard Roth |
| author_facet | Kort Bremer Frank Weigand Yulong Zheng Lourdes Shanika Alwis Reinhard Helbig Bernhard Roth |
| author_sort | Kort Bremer |
| collection | DOAJ |
| description | Optical fiber-based sensors “embedded” in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures. The design aims to monitor common SHM parameters such as strain and cracks while at the same time acting as a structural strengthening mechanism. The sensor performances of the two systems are characterized in situ using Mach-Zehnder interferometric (MZI) and optical attenuation measurement techniques, respectively. For this purpose, different FCS samples were subjected to varying elongation using a tensile testing machine by carefully incrementing the applied force, and good correlation between the applied force and measured length change was observed. For crack detection, the functionalized TNSs were embedded into a concrete block which was then exposed to varying load using the three-point flexural test until destruction. Promising results were observed, identifying that the location of the crack can be determined using the conventional optical time domain reflectometry (OTDR) technique. The embedded sensors thus evaluated show the value of the dual achievement of the schemes proposed in obtaining strain/crack measurement while being utilized as strengthening agents as well. |
| first_indexed | 2024-04-11T22:34:28Z |
| format | Article |
| id | doaj.art-ff928031ac3f4a2490993360a3bd60d0 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T22:34:28Z |
| publishDate | 2017-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-ff928031ac3f4a2490993360a3bd60d02022-12-22T03:59:15ZengMDPI AGSensors1424-82202017-02-0117234510.3390/s17020345s17020345Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber SensorsKort Bremer0Frank Weigand1Yulong Zheng2Lourdes Shanika Alwis3Reinhard Helbig4Bernhard Roth5Hannover Centre for Optical Technologies (HOT), Leibniz University Hannover, Hannover 30167, GermanySaxon Textile Research Institute (STFI), Chemnitz 09125, GermanyHannover Centre for Optical Technologies (HOT), Leibniz University Hannover, Hannover 30167, GermanySchool of Engineering and the Built Environment, Edinburgh Napier University, Edinburgh EH10 5DT, UKSaxon Textile Research Institute (STFI), Chemnitz 09125, GermanyHannover Centre for Optical Technologies (HOT), Leibniz University Hannover, Hannover 30167, GermanyOptical fiber-based sensors “embedded” in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures. The design aims to monitor common SHM parameters such as strain and cracks while at the same time acting as a structural strengthening mechanism. The sensor performances of the two systems are characterized in situ using Mach-Zehnder interferometric (MZI) and optical attenuation measurement techniques, respectively. For this purpose, different FCS samples were subjected to varying elongation using a tensile testing machine by carefully incrementing the applied force, and good correlation between the applied force and measured length change was observed. For crack detection, the functionalized TNSs were embedded into a concrete block which was then exposed to varying load using the three-point flexural test until destruction. Promising results were observed, identifying that the location of the crack can be determined using the conventional optical time domain reflectometry (OTDR) technique. The embedded sensors thus evaluated show the value of the dual achievement of the schemes proposed in obtaining strain/crack measurement while being utilized as strengthening agents as well.http://www.mdpi.com/1424-8220/17/2/345structural health monitoringfiber optic sensorcrack detectionstrain sensingfunctionalized carbon structure |
| spellingShingle | Kort Bremer Frank Weigand Yulong Zheng Lourdes Shanika Alwis Reinhard Helbig Bernhard Roth Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors Sensors structural health monitoring fiber optic sensor crack detection strain sensing functionalized carbon structure |
| title | Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors |
| title_full | Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors |
| title_fullStr | Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors |
| title_full_unstemmed | Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors |
| title_short | Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors |
| title_sort | structural health monitoring using textile reinforcement structures with integrated optical fiber sensors |
| topic | structural health monitoring fiber optic sensor crack detection strain sensing functionalized carbon structure |
| url | http://www.mdpi.com/1424-8220/17/2/345 |
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