Simulating Paving Fleets with Non-Stationary Travel

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by Foad Farid, North Carolina State Univ, Raleigh, United States,
Tariq F. Aziz, North Carolina State Univ, Raleigh, United States,

Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering

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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