An algorithm on three-dimensional loading problem

An algorithm on three-dimensional loading problem

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Article ID: iaor19992452
Country: South Korea
Volume: 23
Issue: 2
Start Page Number: 1
End Page Number: 13
Publication Date: Jun 1998
Journal: Journal of the Korean ORMS Society
Authors: ,
Keywords: pallet loading, packing
Abstract:

The purpose of this paper is to formulate the three-dimensional loading problem and to develop an exact algorithm. The three-dimensional loading problem is not only to load as many boxes as possible, but also to ensure load stability. In this paper, we propose a formulation by zero–one integer programming (IP). Further we propose as an algorithm the branch-and-bound enforced by efficient bounding criteria. As an upper bound, we use the solution of the Lagrangean relaxation problem which relaxes constraints of zero–one IP, and as a lower bound, we use a heuristic solution induced by the solution of the Lagrangean relaxation problem. Last, we show computational experiments on convergency of upper and lower bounds.

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