Journal Published Online: 21 December 2022
Volume 51, Issue 4

Validation Technique for Heavy Vehicle Simulator Rut Measurement with Florida Laser Rut Meter

CODEN: JTEVAB

Abstract

The performance of a pavement system is typically measured in structural and functional terms. Agencies often prioritize minimizing rutting as it indicates the mixture and structural inadequacy and can lead to safety concerns such as hydroplaning. Therefore, accurate rut depth measurement is critical to pavement management as well as to assess the performance of materials designed to resist rutting. To that measure, Florida Department of Transportation (FDOT) uses two heavy vehicle simulators (HVSs) as part of an accelerated pavement testing (APT) program to advance pavement research and implement new pavement materials, designs, and construction methods. Each HVS device is equipped with an on-board laser profiling system for rut depth measurement. To ensure accurate and reproducible rut depth measurements, a laser-based reference device was developed and constructed by FDOT to verify rut depth measurements made by both HVS devices during APT research studies. This article describes the rut depth reference device, the verification process, and data analysis methods used to validate the accuracy of the HVS devices.

Author Information

Khan, Shahbaz
Engineering School of Sustainable Infrastructure & Environment Weil Hall, Gainesville, FL, USA
Cotter, Chris
School of Engineering, University of North Florida, Jacksonville, FL, USA
Greene, James
State Material Office, Florida Department of Transportation, Gainesville, FL, USA
Pages: 14
Price: $25.00
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Details
Stock #: JTE20220349
ISSN: 0090-3973
DOI: 10.1520/JTE20220349