Abstract
In 1998, The World Road Association, PIARC conducted an international experiment to harmonize longitudinal and transverce profile measurement and reporting procedure. The experiment was carried out in three regional experiments with test section in U. S. A., Europe and Japan.
In this study, wave characteristics of the longitudinal profile was evaluated by multiresolution analysis using wavelet. Also, we analysed the relationship between the longitudinal profile and bearing capacity which was estimated from backcalculation of FWD data. It was found that there is a high correlation between decomposed profile whose wavelength was 0.8-1.6m and the compressive stress at the top of the subbase.
