Development of an intelligent pavement analysis toolbox

Author:

Gopalakrishnan K.1,Khaitan S. K.2

Affiliation:

1. Department of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA, USA

2. Department of Electrical and Computer Engineering, Iowa State University, Ames, IA, USA

Abstract

An intelligent pavement analysis toolbox was developed for backcalculating the mechanical properties of flexible pavements from non-destructive test data through an adaptive, multi-hybrid, integrated non-linear systems approach. The problem involves searching for the optimal combination of pavement layer stiffness solutions in an unsmooth, multi-modal, complex search space which makes it amenable to the application of differential evolution, a stochastic parallel direct search evolution strategy optimisation method. This innovative approach takes advantage of the combined efficiency and accuracy achieved by integrating advanced pavement numerical modelling schemes such as finite-element methods, computational intelligence-based surrogate mapping techniques such as artificial neural networks, and heuristics-based global optimisation strategies such as differential evolution, and yet provides a user-friendly automated pavement evaluation toolbox for the highway engineer to use on a real-time basis for accurate infrastructure evaluation. The main aim of the present study was to demonstrate the feasibility of using such an integrated modular systems approach to the complex non-linear parameter identification problem in pavement engineering.

Publisher

Thomas Telford Ltd.

Subject

Transportation,Civil and Structural Engineering

Reference39 articles.

1. Alkasawneh W . Backcalculation of Pavement Moduli Using Genetic Algorithms. PhD dissertation, 2007, Department of Civil Engineering, University of Akron, Akron, OH, USA.

2. Anderson M . Backcalculation of Composite Pavement Payer Moduli. PhD dissertation, 1988, University of Kentucky, Kentucky, USA.

3. Modified differential evolution (MDE) for optimization of non-linear chemical processes

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