DBPapers
DOI: 10.5593/SGEM2016/B21/S07.041

OPTIMUM PAVEMENT DESIGN FOR DISTRESS PERFORMANCE REQUIREMENTS

V.E. Rosca, R.Andrei, C.E.Teleman, A.O.Axinte
Friday 9 September 2016 by Libadmin2016

References: 16th International Multidisciplinary Scientific GeoConference SGEM 2016, www.sgem.org, SGEM2016 Conference Proceedings, ISBN 978-619-7105-58-2 / ISSN 1314-2704, June 28 - July 6, 2016, Book2 Vol. 1, 319-326 pp

ABSTRACT

The purpose of this paper is to develop a practical and realistic mathematical programming for finding the optimal layer thickness of the flexible pavement of roads and highways in order to obtain a minimum-cost solution represented by the unit costs of pavement components and constraining equations required by AASHTO design method [1]. Physical limitations imposed by the distress caused by rutting prevention complete the realism of the mathematical model in describing the actual behavior of the flexible pavement system. An optimization algorithm written in MATLAB code is advanced herein and solved by non-linear programming. The optimized thicknesses of the pavement layers are then verified in order to check the specified structural number and the damage performance of the resulting pavement structure.
By this design procedure substantial cost savings result in the selection of flexible pavement sections.

Keywords: design optimization, flexible pavement, rut distress

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