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Summary: We present a model of the Pickup and Delivery Problem with Split Loads (PDPSL), in which a load may be serviced by multiple vehicles. We find the upper bound on the benefit of split loads and determine the load sizes that are most likely to be split. A heuristic is developed for solving large size problems, and experimental results are presented in support of the theoretical findings. The heuristic is applied to a real world example, and the conditions that limit the benefit of split loads are described. Finally, an exact formulation of a simplified version of the PDPSL is presented, with experimental results described for smaller scale problems.]]>
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Barbara Christopher
Industrial and Systems Engineering
Contact Barbara Christopher
404.385.3102]]>
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