Research Reports

Statistical Analysis of the Sources of Flexible Pavement Variability

Principal Investigator:

Randal J Barnes, Igor Jankovic, Arnaud Froment

February 1999

Report no. MnDOT

Projects: Statistical Analysis of the Sources of Pavement Variability

Topics: Asphalt, Pavement design for cold climates

This research project attempts to identify, quantify, and statistically characterize the components of asphalt pavements that may lead to spatial variability of pavement performance. This assessment is based upon the extensive data sets collected at the MnROAD project. The physical site characterization is carried out using data collected by falling weight deflectometer, ground penetrating radar, and physical core specimens. The applied load information is inferred from the data collected by the state-of-the-art weigh-in-motion system in operation at the MnROAD site. The pavement performance is characterized by international roughness index data, crack count data, and rutting depth data.

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