Simulating Paving Fleets with Non-Stationary Travelby Foad Farid, North Carolina State Univ, Raleigh, United States,
Tariq F. Aziz, North Carolina State Univ, Raleigh, United States,
Abstract: Proper selection of equipment and fleet size can yield substantial savings in both time and cost. A simulation model of asphalt-paving operations is presented and impacts of non-stationary (time-variant) travel time on unit costs, productivity and fleet selection are investigated. Field-observation records of an actual construction project provide sample inter-arrival times of the trucks. Sensitivity of the simulation results to various duration distributions are analyzed. The asphalt-paving operation is simulated at the steady state as well as at the steady with transient state. Numerous equipment combinations used in asphalt-paving operations are considered and optimal fleets are proposed.
Subject Headings: Asphalts | Travel time | Pavements | Simulation models | Travel modes | Construction management | Trucks | Sensitivity analysis
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