A heuristic for sea-freight container selection, cargo allocation and cargo orientation

A heuristic for sea-freight container selection, cargo allocation and cargo orientation

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Article ID: iaor20072504
Country: United Kingdom
Volume: 57
Issue: 12
Start Page Number: 1452
End Page Number: 1463
Publication Date: Dec 2006
Journal: Journal of the Operational Research Society
Authors: , ,
Keywords: programming: integer, heuristics
Abstract:

A model is proposed to generate solutions for container selection, for the allocation of cargo to containers, and for cargo orientation within a container. The model is in the form of a mixed integer program with the objective of minimizing the total shipping cost. The practical requirements of loading priority and weight distribution along the main dimension of the container are incorporated into the model. A heuristic solution strategy is proposed and used to control the computation time by pre-setting the search increments. Three case examples are presented. The first and third examples show that the proposed model can produce a better solution than the manual schedulers. The second example is taken from the literature and is compared with the solution generated by the proposed model, demonstrating that the practical considerations incorporated into the model do not necessarily lead to increased shipping costs.

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