Measuring Joint Movement on Rigid Pavements Using the Traffic Speed Deflectometer
Publication: Journal of Transportation Engineering, Part B: Pavements
Volume 149, Issue 2
Abstract
The ability of a Traffic Speed Deflectometer (TSD) to detect joint movement on a rigid pavement was investigated. Based on a mathematical model of a moving vehicle on a concrete pavement, a method of calculating the joint displacement from a TSD measurement was developed. The joint displacement indicator was tested in practice on a concrete highway in northern Germany. Short-term repeatability, day-to-day repeatability, and reproducibility between two different TSD vehicles were evaluated based on the measurements. It was found that the TSD is able to consistently find movement at the same joints, and that the magnitude of the movement has a high short-term repeatability. Day-to-day repeatability and reproducibility between vehicles was lower due to temperature effects in the concrete slabs. However, also for these cases, there was a high level of consistency in the detected joints. Based on the distance between successive joints, a method of identifying potential locations of transverse cracks was developed. Finally, a way of quantifying joint movement in terms of spatially averaged quantities is presented.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are proprietary or confidential in nature and may only be provided with restrictions. The measurement data and the code are proprietary and will only be shared in cases that do not pose a risk to the interests of Greenwood Engineering A/S.
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Information & Authors
Information
Published In
Journal of Transportation Engineering, Part B: Pavements
Volume 149 • Issue 2 • June 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Feb 22, 2021
Accepted: Sep 16, 2022
Published online: Jan 30, 2023
Published in print: Jun 1, 2023
Discussion open until: Jun 30, 2023
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Cited by
- Martín Scavone, Samer W. Katicha, Gerardo W. Flintsch, Eugene Amarh, Estimating Load Transfer Efficiency for Jointed Pavements from TSD Deflection Velocity Measurements, Transportation Research Record: Journal of the Transportation Research Board, 10.1177/03611981231171923, 2678, 1, (583-594), (2023).