REDE DE FLUXO DE CUSTO MÍNIMO DOS GRÃOS DE SOJA DO VETOR CENTRO-SUDESTE DO BRASIL PARA A EXPORTAÇÃO

Résumé

This work aims to identify the optimal flow network for the export of soybeans produced in the geographical region of the Logistic Vector Center-Southeast of Brazil, considering the existing logistics infrastructure in 2012. The production and the exportation of grain soy are important to the Brazilian economy. The processed parameters are secondary data from government organizations and the study procedure uses the Linear Programming. Ten combinations of transport modes were considered in a capable network of forty-seven origins and three destinations. A mathematical model to minimize the cost of the network was constructed and solved using the GAMS modeling language. The results indicated that the port of Santos should be the main destination for the grain produced in the regions of Triangulo Mineiro, west of Minas Gerais, south of Gois, So Paulo, and some of the states of Mato Grosso do Sul and Mato Grosso and the production of northern Paran should go to the port of Paranagu. Because of the limited capacity of transportation alternatives, particularly the waterway in the seasonal period of drought, the great result indicates that 57% of the exported volume should go to ports exclusively from road transport and 43% in some way, should go through railroad.

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