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Distributed optical...
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Bado, Mattia FrancescoUniversitat Politecnica de Catalunya,Polytechnic University of Catalonia,Vilniaus Gedimino technikos universitetas
(författare)
Distributed optical fiber sensing bonding techniques performance for embedment inside reinforced concrete structures
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-10-13
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MDPI AG,2020
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:research.chalmers.se:d9758256-3d1c-4b91-b9cf-8c3ca1984ec8
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https://research.chalmers.se/publication/522012URI
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https://research.chalmers.se/publication/520021URI
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https://doi.org/10.3390/s20205788DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Distributed optical fiber sensors (DOFS) are modern-day cutting-edge monitoring tools that are quickly acquiring relevance in structural health monitoring engineering. Their most ambitious use is embedded inside plain or reinforced concrete (RC) structures with the scope of comprehending their inner-workings and the functioning of the concrete-reinforcement interaction. Yet, multiple studies have shown that the bonding technique with which the DOFS are bonded to the reinforcement bars has a significant role on the quality of the extracted strain data. Whilst this influence has been studied for externally bonded DOFS, it has not been done for embedded ones. The present article is set on performing such study by monitoring the strain measurement quality as sampled by DOFS bonded to multiple rebars with different techniques and adhesives. These instrumented rebars are used to produce differently sized RC ties later tested in tension. The discussion of the test outputs highlights the quasi-optimal performance of a DOFS/rebar bonding technique consisting of incising a groove in the rebar, positioning the DOFS inside it, bonding it with cyanoacrylate and later adding a protective layer of silicone. The resulting data is mostly noisefree and anomalies-free, yet still presents a newly diagnosed hitch that needs addressing in future research.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Casas, Joan R.Universitat Politecnica de Catalunya,Polytechnic University of Catalonia
(författare)
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Dey, AlindaVilniaus Gedimino technikos universitetas
(författare)
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Gil Berrocal, Carlos,1986Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)berrocal
(författare)
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Universitat Politecnica de CatalunyaVilniaus Gedimino technikos universitetas
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Sensors: MDPI AG20:20, s. 1-231424-8220
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Sensors
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