1990-09-01

Computer Simulation of Semi-Trailer Haul Truck Roll-Over Dynamics 901623

Haul trucks, like other articulated heavy vehicles with high centers of gravity, have a propensity to roll over in certain situations. Variable soil conditions, high winds, significant ground slope, and shifting loads contribute to a high risk of roll over for haul trucks. The likelihood of such an event is further increased during dumping operations when the center of gravity of a vehicle is raised higher than usual. This paper develops a mathematical model of the dynamics of haul truck roll over phenomena and establishes critical performance parameters, particularly during a raised bed dumping operation.

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