TDR potential for soil condition monitoring of geotechnical assets

Research output: Contribution to journalArticlepeer-review

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TDR potential for soil condition monitoring of geotechnical assets. / Curioni, Giulio; Chapman, David; Royal, Alexander; Metje, Nicole; Dashwood, Ben; Gunn, David A.; Inauen, Cornelia M.; Chambers, Jonathan E.; Meldrum, Philip I.; Wilkinson, Paul B.; Swift, Russell T.; Reeves, Helen J.

In: Canadian Geotechnical Journal, 31.08.2018.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Curioni, G., Chapman, D., Royal, A., Metje, N., Dashwood, B., Gunn, D. A., Inauen, C. M., Chambers, J. E., Meldrum, P. I., Wilkinson, P. B., Swift, R. T., & Reeves, H. J. (2018). TDR potential for soil condition monitoring of geotechnical assets. Canadian Geotechnical Journal. https://doi.org/10.1139/cgj-2017-0618

Vancouver

Author

Curioni, Giulio ; Chapman, David ; Royal, Alexander ; Metje, Nicole ; Dashwood, Ben ; Gunn, David A. ; Inauen, Cornelia M. ; Chambers, Jonathan E. ; Meldrum, Philip I. ; Wilkinson, Paul B. ; Swift, Russell T. ; Reeves, Helen J. / TDR potential for soil condition monitoring of geotechnical assets. In: Canadian Geotechnical Journal. 2018.

Bibtex

@article{6d09550362ab4b148bb04d7032f18ec7,
title = "TDR potential for soil condition monitoring of geotechnical assets",
abstract = "The performance of geotechnical assets are influenced by various external factors including time and changing loading and environmental conditions. These changes could reduce the asset{\textquoteright}s ability to maintain its function, potentially resulting in failure which could be extremely disruptive and expensive to remediate; thus, the ability to monitor the long-term condition of the ground is clearly desirable as this could operate as an early warning system, permitting intervention prior to failure. This study demonstrates, for the first time, the potential of using Time Domain Reflectometry (TDR) for long-term monitoring the relative health of an asset (via water content and dry density) in a field trial where a clayey sandy SILT was exposed to leaking water from a pipe. TDR sensors were able to provide detailed information on the variation in the soil conditions and detect abrupt changes that would prompt for asset inspections or interventions. It is proposed that TDR could be used alone or together with other shallow geophysical techniques for long-term condition monitoring of critical geotechnical assets. Early warning systems could be based on thresholds defined from the values or the relative change of the measured parameters.",
keywords = "Time domain reflectometry, Soil condition monitoring, Gravimetric water content, Dry density, Degree of saturation",
author = "Giulio Curioni and David Chapman and Alexander Royal and Nicole Metje and Ben Dashwood and Gunn, {David A.} and Inauen, {Cornelia M.} and Chambers, {Jonathan E.} and Meldrum, {Philip I.} and Wilkinson, {Paul B.} and Swift, {Russell T.} and Reeves, {Helen J.}",
year = "2018",
month = aug,
day = "31",
doi = "10.1139/cgj-2017-0618",
language = "English",
journal = "Canadian Geotechnical Journal",
issn = "0008-3674",
publisher = "NRC Research Press",

}

RIS

TY - JOUR

T1 - TDR potential for soil condition monitoring of geotechnical assets

AU - Curioni, Giulio

AU - Chapman, David

AU - Royal, Alexander

AU - Metje, Nicole

AU - Dashwood, Ben

AU - Gunn, David A.

AU - Inauen, Cornelia M.

AU - Chambers, Jonathan E.

AU - Meldrum, Philip I.

AU - Wilkinson, Paul B.

AU - Swift, Russell T.

AU - Reeves, Helen J.

PY - 2018/8/31

Y1 - 2018/8/31

N2 - The performance of geotechnical assets are influenced by various external factors including time and changing loading and environmental conditions. These changes could reduce the asset’s ability to maintain its function, potentially resulting in failure which could be extremely disruptive and expensive to remediate; thus, the ability to monitor the long-term condition of the ground is clearly desirable as this could operate as an early warning system, permitting intervention prior to failure. This study demonstrates, for the first time, the potential of using Time Domain Reflectometry (TDR) for long-term monitoring the relative health of an asset (via water content and dry density) in a field trial where a clayey sandy SILT was exposed to leaking water from a pipe. TDR sensors were able to provide detailed information on the variation in the soil conditions and detect abrupt changes that would prompt for asset inspections or interventions. It is proposed that TDR could be used alone or together with other shallow geophysical techniques for long-term condition monitoring of critical geotechnical assets. Early warning systems could be based on thresholds defined from the values or the relative change of the measured parameters.

AB - The performance of geotechnical assets are influenced by various external factors including time and changing loading and environmental conditions. These changes could reduce the asset’s ability to maintain its function, potentially resulting in failure which could be extremely disruptive and expensive to remediate; thus, the ability to monitor the long-term condition of the ground is clearly desirable as this could operate as an early warning system, permitting intervention prior to failure. This study demonstrates, for the first time, the potential of using Time Domain Reflectometry (TDR) for long-term monitoring the relative health of an asset (via water content and dry density) in a field trial where a clayey sandy SILT was exposed to leaking water from a pipe. TDR sensors were able to provide detailed information on the variation in the soil conditions and detect abrupt changes that would prompt for asset inspections or interventions. It is proposed that TDR could be used alone or together with other shallow geophysical techniques for long-term condition monitoring of critical geotechnical assets. Early warning systems could be based on thresholds defined from the values or the relative change of the measured parameters.

KW - Time domain reflectometry

KW - Soil condition monitoring

KW - Gravimetric water content

KW - Dry density

KW - Degree of saturation

U2 - 10.1139/cgj-2017-0618

DO - 10.1139/cgj-2017-0618

M3 - Article

JO - Canadian Geotechnical Journal

JF - Canadian Geotechnical Journal

SN - 0008-3674

ER -