Abstract
The pavement design using analytically or mechanistic-empirical based methodologies is now replacing the empirical one. To make the analytically based design advance, comparative study of measurement with prediction on dynamic response of pavement has been done. To effectively backcalculate the material properties of pavement, the Ritz vector is introduced, and the requisite number of Ritz vector needed in the forward and sensitivity analyses is adaptively determined in the developed program. The material properties of constructed layers for pavement can be backcalculated from the FWD test data. Moreover, the predicted surface deflections, soil pressure, and strains are in good agreement with the measured ones for the prepared pavements. It is confirmed that the developed FEM program has adaptability to the tested pavements.
