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    Rights statement: This is an author-created, un-copyedited version of an article accepted for publication/published in Smart Materials and Structures. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/0964-1726/25/9/095051

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First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors. / McKeeman, Ian; Fusiek, Gregory; Johnston, Michael et al.
In: Smart Materials and Structures, Vol. 25, No. 9, 095051, 24.08.2016.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

McKeeman, I, Fusiek, G, Johnston, M, Saafi, MBS, Niewczas, P, Walsh, M & Khan, S 2016, 'First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors', Smart Materials and Structures, vol. 25, no. 9, 095051. https://doi.org/10.1088/0964-1726/25/9/095051

APA

McKeeman, I., Fusiek, G., Johnston, M., Saafi, M. B. S., Niewczas, P., Walsh, M., & Khan, S. (2016). First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors. Smart Materials and Structures, 25(9), Article 095051. https://doi.org/10.1088/0964-1726/25/9/095051

Vancouver

McKeeman I, Fusiek G, Johnston M, Saafi MBS, Niewczas P, Walsh M et al. First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors. Smart Materials and Structures. 2016 Aug 24;25(9):095051. doi: 10.1088/0964-1726/25/9/095051

Author

McKeeman, Ian ; Fusiek, Gregory ; Johnston, Michael et al. / First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors. In: Smart Materials and Structures. 2016 ; Vol. 25, No. 9.

Bibtex

@article{436ed23cf81849baa9d9f64131014707,
title = "First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors",
abstract = "In this work we present the first large-scale demonstration of metal packaged fibre Bragg grating sensors developed to monitor prestress levels in prestressed concrete. To validate the technology, strain and temperature sensors were mounted on steel prestressing strands in concrete beams and stressed up to 60% of the ultimate tensile strength of the strand. We discuss the methods andcalibration procedures used to fabricate and attach the temperature and strain sensors. The use of induction brazing for packaging the fibre Bragg gratings and welding the sensors to prestressing strands eliminates the use of epoxy, making the technique suitable for high-stress monitoring in an irradiated, harsh industrial environment. Initial results based on the first week of data after stressing the beams show the strain sensors are able to monitor prestress levels in ambient conditions.",
keywords = "fibre Bragg gratings, fibre optic sensors, structural health monitoring",
author = "Ian McKeeman and Gregory Fusiek and Michael Johnston and Saafi, {Mohamed Ben Salem} and Pawel Niewczas and Michael Walsh and S. Khan",
note = "This is an author-created, un-copyedited version of an article accepted for publication/published in Smart Materials and Structures. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/0964-1726/25/9/095051",
year = "2016",
month = aug,
day = "24",
doi = "10.1088/0964-1726/25/9/095051",
language = "English",
volume = "25",
journal = "Smart Materials and Structures",
issn = "0964-1726",
publisher = "IOP Publishing Ltd.",
number = "9",

}

RIS

TY - JOUR

T1 - First-time demonstration of measuring concrete prestress levels with metal packaged bre optic sensors

AU - McKeeman, Ian

AU - Fusiek, Gregory

AU - Johnston, Michael

AU - Saafi, Mohamed Ben Salem

AU - Niewczas, Pawel

AU - Walsh, Michael

AU - Khan, S.

N1 - This is an author-created, un-copyedited version of an article accepted for publication/published in Smart Materials and Structures. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi: 10.1088/0964-1726/25/9/095051

PY - 2016/8/24

Y1 - 2016/8/24

N2 - In this work we present the first large-scale demonstration of metal packaged fibre Bragg grating sensors developed to monitor prestress levels in prestressed concrete. To validate the technology, strain and temperature sensors were mounted on steel prestressing strands in concrete beams and stressed up to 60% of the ultimate tensile strength of the strand. We discuss the methods andcalibration procedures used to fabricate and attach the temperature and strain sensors. The use of induction brazing for packaging the fibre Bragg gratings and welding the sensors to prestressing strands eliminates the use of epoxy, making the technique suitable for high-stress monitoring in an irradiated, harsh industrial environment. Initial results based on the first week of data after stressing the beams show the strain sensors are able to monitor prestress levels in ambient conditions.

AB - In this work we present the first large-scale demonstration of metal packaged fibre Bragg grating sensors developed to monitor prestress levels in prestressed concrete. To validate the technology, strain and temperature sensors were mounted on steel prestressing strands in concrete beams and stressed up to 60% of the ultimate tensile strength of the strand. We discuss the methods andcalibration procedures used to fabricate and attach the temperature and strain sensors. The use of induction brazing for packaging the fibre Bragg gratings and welding the sensors to prestressing strands eliminates the use of epoxy, making the technique suitable for high-stress monitoring in an irradiated, harsh industrial environment. Initial results based on the first week of data after stressing the beams show the strain sensors are able to monitor prestress levels in ambient conditions.

KW - fibre Bragg gratings

KW - fibre optic sensors

KW - structural health monitoring

U2 - 10.1088/0964-1726/25/9/095051

DO - 10.1088/0964-1726/25/9/095051

M3 - Journal article

VL - 25

JO - Smart Materials and Structures

JF - Smart Materials and Structures

SN - 0964-1726

IS - 9

M1 - 095051

ER -