Analysis of Fiber-Optic Strain-Monitoring Data from a Prestressed Concrete Bridge
AbstractThis paper presents data from fiber-optic strain monitoring of the Nine Wells Bridge, which is a three-span, pretensioned, prestressed concrete beam-and-slab bridge located in Cambridgeshire in the United Kingdom. The original deployment at the site and the challenges associated with collect...
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| Veröffentlicht in: | Journal of bridge engineering 2017-05, Vol.22 (5) |
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| container_title | Journal of bridge engineering |
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| creator | Webb, G. T Vardanega, P. J Hoult, N. A Fidler, P. R. A Bennett, P. J Middleton, C. R |
| description | AbstractThis paper presents data from fiber-optic strain monitoring of the Nine Wells Bridge, which is a three-span, pretensioned, prestressed concrete beam-and-slab bridge located in Cambridgeshire in the United Kingdom. The original deployment at the site and the challenges associated with collecting distributed strain data using the Brillouin optical time domain reflectometry (BOTDR) technique are described. In particular, construction and deployment issues of fiber robustness and temperature effects are highlighted. The challenges of interpreting the collected data as well as the potential value of information that may be obtained are discussed. Challenges involved with relating measurements to the expected levels of prestress, including the effects due to debonding, creep, and shrinkage, are discussed and analyzed. This paper provides an opportunity to study whether two commonly used models for creep and shrinkage, adequately model data collected in field conditions. |
| doi_str_mv | 10.1061/(ASCE)BE.1943-5592.0000996 |
| format | Article |
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T ; Vardanega, P. J ; Hoult, N. A ; Fidler, P. R. A ; Bennett, P. J ; Middleton, C. R</creator><creatorcontrib>Webb, G. T ; Vardanega, P. J ; Hoult, N. A ; Fidler, P. R. A ; Bennett, P. J ; Middleton, C. R</creatorcontrib><description>AbstractThis paper presents data from fiber-optic strain monitoring of the Nine Wells Bridge, which is a three-span, pretensioned, prestressed concrete beam-and-slab bridge located in Cambridgeshire in the United Kingdom. The original deployment at the site and the challenges associated with collecting distributed strain data using the Brillouin optical time domain reflectometry (BOTDR) technique are described. In particular, construction and deployment issues of fiber robustness and temperature effects are highlighted. The challenges of interpreting the collected data as well as the potential value of information that may be obtained are discussed. Challenges involved with relating measurements to the expected levels of prestress, including the effects due to debonding, creep, and shrinkage, are discussed and analyzed. This paper provides an opportunity to study whether two commonly used models for creep and shrinkage, adequately model data collected in field conditions.</description><identifier>ISSN: 1084-0702</identifier><identifier>EISSN: 1943-5592</identifier><identifier>DOI: 10.1061/(ASCE)BE.1943-5592.0000996</identifier><language>eng</language><publisher>American Society of Civil Engineers</publisher><subject>Bridges (structures) ; Case Studies ; Fiber optics ; Monitoring ; Optical fibers ; Prestressed concrete ; Robustness ; Shrinkage ; Wells</subject><ispartof>Journal of bridge engineering, 2017-05, Vol.22 (5)</ispartof><rights>This work is made available under the terms of the Creative Commons Attribution 4.0 International license, .</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a454t-2174e2dd3b40e0c84ccbdf407002a1f42e96cddba24fe4fc53c73a40a54f4d9e3</citedby><cites>FETCH-LOGICAL-a454t-2174e2dd3b40e0c84ccbdf407002a1f42e96cddba24fe4fc53c73a40a54f4d9e3</cites><orcidid>0000-0001-7177-7851</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)BE.1943-5592.0000996$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)BE.1943-5592.0000996$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,75935,75943</link.rule.ids></links><search><creatorcontrib>Webb, G. 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The challenges of interpreting the collected data as well as the potential value of information that may be obtained are discussed. Challenges involved with relating measurements to the expected levels of prestress, including the effects due to debonding, creep, and shrinkage, are discussed and analyzed. 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The challenges of interpreting the collected data as well as the potential value of information that may be obtained are discussed. Challenges involved with relating measurements to the expected levels of prestress, including the effects due to debonding, creep, and shrinkage, are discussed and analyzed. This paper provides an opportunity to study whether two commonly used models for creep and shrinkage, adequately model data collected in field conditions.</abstract><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)BE.1943-5592.0000996</doi><orcidid>https://orcid.org/0000-0001-7177-7851</orcidid><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1084-0702 |
| ispartof | Journal of bridge engineering, 2017-05, Vol.22 (5) |
| issn | 1084-0702 1943-5592 |
| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Bridges (structures) Case Studies Fiber optics Monitoring Optical fibers Prestressed concrete Robustness Shrinkage Wells |
| title | Analysis of Fiber-Optic Strain-Monitoring Data from a Prestressed Concrete Bridge |
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