Probabilistic Segment-linked Pavement Management Optimization Model
Publication: Journal of Transportation Engineering
Volume 128, Issue 6
Abstract
Pavement management systems (PMSs) are increasingly important tools in the decision-making processes regarding the maintenance and rehabilitation of road pavements. A new optimization model to be used within network-level PMSs is presented in this paper, together with a genetic-algorithm heuristic to solve the model. The model assumes decisions to be segment linked, thus overcoming the principal drawback of the widely used Arizona PMS. The objective of the model is to minimize the expected total discounted costs of pavement maintenance and rehabilitation actions over a given planning time span, while keeping the network within given quality standards. The model was applied to three test problems involving the road network of Coimbra, the third-largest Portuguese city. The results obtained for these problems clearly indicate that the model is a valuable addition to the road engineer’s toolbox.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 128 • Issue 6 • November 2002
Pages: 568 - 577
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: Mar 22, 2000
Accepted: Dec 19, 2001
Published online: Oct 15, 2002
Published in print: Nov 2002
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