Optimal Flexible Pavement Design

by Alberto Garcia-Diaz, Research Asst.; Dept. of Mech. and Industrial Engrg., Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,
Judith S. Liebman, Assoc. Prof. of Operations Research; Dept. of Mech. and Industrial Engrg., Univ. of Illinois at Urbana-Champaign, Urbana, Ill.,


Serial Information: Transportation Engineering Journal of ASCE, 1978, Vol. 104, Issue 3, Pg. 323-334


Document Type: Journal Paper

Abstract: This paper proposes a model and solution procedure for the optimal design of flexible pavements that finds the best cost achievable for each possible combination of materials without actually computing the layer thicknesses. The primal-dual relationships and complementary slackness conditions of linear programming are used to reduce the required number of computations necessary to obtain the optimal design. The methodology can also be used for pavement structures with more than three layers and can be extended to cases in which there are also design specifications on the overall total thickness of the structure.

Subject Headings: Pavement design | Asphalt pavements | Thickness | Computer models | Construction materials | Linear functions | Computer programming

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