Joint berth and flexible storage space allocation in container tower ports

Lu Zhen, Wencheng Wang, Shumin Lin, Linying Yang and Shenyan Jiang

Transportation Research Part E: Logistics and Transportation Review, 2025, vol. 194, issue C

Abstract: The increasing demand for container shipping has increased the difficulty of yard management and container processing time. High-density container tower ports are next-generation ports. They have advantages, such as stable steel frame structures, high yard land utilization rates, and eliminating the need for container reshuffling operations. This study investigates berth and storage space allocation in container tower ports by considering flexible storage strategies, container allocation, sub-tower size division, and sub-tower allocation. A mixed-integer programming model is proposed to characterize the problem. A column generation-based heuristic algorithm with high performance in terms of solving speed and quality is explored to solve this problem. Numerical experiments verify the performance of the proposed algorithm. Some management insights that can help ports operate efficiently are revealed.

Keywords: Next-generation port; Storage space allocation; Column generation; Joint optimization; Flexible storage strategy (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.tre.2024.103942

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