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This study aimed to develop a discrete event simulation model to estimate the off-roads’ intensity of traffic on roads in open pit mines and estimating events in which trucks are at intersections with other ( roundabouts , intersections , junctions ) with intervals between zero (simultaneous arrival on the point ) up to six seconds. For this, an annual future mining plan is simulated based on a pre-sized fleet. The analysis results are used as a tool to support the actions of traffic safety in the mines, since they allow to bring predictability of future traffic in the mine, allowing to identify the roads of more traffic and points of intersections with the highest number of events between zero to six seconds, which events are considered " critical " since it can generate collisions between off-road trucks. Events of collisions between trucks in the studied company are not frequent, but when they occur, have catastrophic consequences and therefore should be managed preventively in order to eliminate or mitigate them. The results after applications in nine mines for two years enabled to map as the mines’ traffic behaves according to the mining areas, as well as on the changes in mining over the quarters and are helping the company to ensure safety in traffic off-highway trucks in the mines, as well as support vehicles.

MODELO DE SIMULAÇÃO COMPUTACIONAL PARA AVALIAÇÃO DE SEGURANÇA DO TRÁFEGO DE CAMINHÕES EM MINAS A CÉU ABERTO