Integrated Model for Project‐Level Management of Flexible Pavements
Publication: Journal of Transportation Engineering
Volume 112, Issue 4
Abstract
Pavement management systems usually focus on life‐cycle cost as the most important criterion for selecting the optimal pavement strategy at the project level. Pavement management decisions, however, are made in the context of multiple and often conflicting objectives of users, operators, and highway agencies. This paper presents an integrated model for project‐level pavement management, which consists of a life cycle cost model and a costeffectiveness method. The life cycle cost model generates the feasible pavement strategies for a given highway segment and provides the design, performance characteristics, and various costs for each. The cost‐effectiveness method performs an evaluation, which leads to the identification of the optimal strategies. Analysis results of the proposed approach indicate that when the evaluation of pavement strategies explicitly recognizes the multiple types of costs as well as measures of pavement performance, life cycle cost affects the ranking of the strategies, but the optimal choice is often not that of minimum life cycle cost.
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References
1.
American Association of State and Transportation Highway Officials “AASHTO Interim Guide for Design of Pavement Structures,” Washington, D.C., 1972.
2.
Cohon, J. L., Multiobjective Programming and Planning, Academic Press, New York, N.Y., 1978.
3.
Hudson, W. R., and McCullough, B. F., “Flexible Pavement Design and Management‐Systems Formulation,” NCHRP Report 139, 1973.
4.
Hudson, W. R., Haas, R., and Pedigo, R. D., “Pavement Management System Development,” NCHRP Report 215, 1979.
5.
Lytton, R. L., McFarland, W. F., and Schafer, D. L., “Flexible Pavement Design and Management‐Systems Approach Implementation,” NCHRP Report 160, 1975.
6.
Meyer, M. D., and Miller, E. J., Urban Transportation Planning, A Decision Oriented Approach, McGraw‐Hill Book Company, New York, N.Y., 1984.
7.
Rada, G., “Microcomputer Solution of the Project Level PMS Life Cycle Cost Model,” dissertation presented to the Department of Civil Engineering, University of Maryland, at College Park, Md., in 1985, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
8.
Roads and Transportation Association of Canada, “Pavement Management Guide,” R.T.A.C. Report, Ottawa, Canada, 1977.
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Copyright © 1986 ASCE.
History
Published online: Jul 1, 1986
Published in print: Jul 1986
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