01138794

Component

https://doi.org/10.3141/2100-11

http://scholar.google.com...feld&publication_year=2009

Lock deterioration in a waterway network requires timely maintenance to maintain navigability and regular lockage service. Locks degrading over time have reduced capacities and increased service times. Because demand responds to service changes, the objective function maximizes the overall net benefits rather than the minimization of costs. To maximize the net benefits, it is important to schedule maintenance that preserves lock conditions above threshold values, provides minimum acceptable service, and reduces the risks of serious failures. With constrained budgets, network-level maintenance can be scheduled over a planning horizon. A waterway model that combines simulation and optimization was developed to allocate maintenance funds and to schedule maintenance tasks optimally. Numerical cases are evaluated by parallel processing. The promising demonstration of simulation-based optimization shows the applicability of the proposed methodology to network-level and component-level maintenance planning and scheduling.

01138795

09-1298

English

pp 94-102

2009

Transportation Research Record: Journal of the Transportation Research Board

9780309126168

Print

Figures (7) ; References (19) ; Tables (5)

Locks (Waterways); Maintenance management; Optimization; Parallel processing; Planning; Scheduling; Simulation

Fund allocations

Maintenance and Preservation; Marine Transportation; Terminals and Facilities; I60: Maintenance

TRIS, TRB, ATRI

Aug 27 2009 2:54PM

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