A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Implementation of Rolling Wheel Deflectometer (RWD) in PMS and Pavement Preservation, Technical Summary
The ultimate goal of this study was to conduct a detailed field evaluation of the RWD system in Louisiana. Through this evaluation, the repeatability and the effects of testing speeds on RWD measurements were quantified. In addition, the relationship between RWD and FWD deflection measurements and pavement conditions was investigated. Based on the data collected, this study developed and validated a direct and simple model for determining a pavement structural number (SN) using RWD deflection data. While a number of states have evaluated the RWD system at highway speeds, the reported experimental program was exclusively designed to quantify deflections repeatability and to compare data collected at different truck speeds including measurements conducted at low speeds. In addition, this study was the first program conducted using a newly installed laser deflection system that provides higher accuracy.
Implementation of Rolling Wheel Deflectometer (RWD) in PMS and Pavement Preservation, Technical Summary
The ultimate goal of this study was to conduct a detailed field evaluation of the RWD system in Louisiana. Through this evaluation, the repeatability and the effects of testing speeds on RWD measurements were quantified. In addition, the relationship between RWD and FWD deflection measurements and pavement conditions was investigated. Based on the data collected, this study developed and validated a direct and simple model for determining a pavement structural number (SN) using RWD deflection data. While a number of states have evaluated the RWD system at highway speeds, the reported experimental program was exclusively designed to quantify deflections repeatability and to compare data collected at different truck speeds including measurements conducted at low speeds. In addition, this study was the first program conducted using a newly installed laser deflection system that provides higher accuracy.
Implementation of Rolling Wheel Deflectometer (RWD) in PMS and Pavement Preservation, Technical Summary
M. Elseifi (author)
2012
2 pages
Report
No indication
English