Abstract
Gene Expression Programming (GEP) is used in modelling
the deflection basins measured on the surface of the
flexible pavements. Back calculation of the pavement
layer moduli are well-accepted procedures for the
evaluation of the structural capacity of pavements. The
ultimate aim of the backcalculation process from
Nondestructive Testing (NDT) results is to estimate the
pavement material properties. Using back calculation
analysis, in situ material properties can be back
calculated from the measured field data through
appropriate analysis techniques. In order to back
calculate reliable moduli, deflection basin must be
realistically modelled. In this study, GEP was used to
model the deflection basin characteristics.
Experimental deflection data groups from NDT are used
to show the capability of the GEP approach in modelling
the deflection bowl. This approach can be easily and
realistically performed to solve the problems which do
not have a formulation or function about the
solution.
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