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To improve the economic efficiency of ship transportation in the Jialing River section, this paper conducts an in-depth analysis of the factors affecting tugboat and barge operations during cornering and lockage. Based on a detailed analysis of existing problems, this study proposes the re-adoption of electric tugboat solutions as a keyway to enhance the economic efficiency and transport capacity of Jialing River shipping. By establishing a mathematical model and comparing the cost levels of electric-powered vessels with traditional oil-driven ones, the study further suggests strategies for applying electric-powered tugs to increase the average tonnage per lockage pass and achieve optimization of ship transport organization, including careful adjustment of ship types and lockage vessel combinations. The research results show that under current conditions, the optimal fleet organization scheme is a combination of A motorized ships and B barges with a specific carrying weight (each barge with a load of t), which can significantly enhance the economic efficiency level of Jialing River fleets under specific premises, while also increasing transport volume and reducing costs by approximately.
Wang et al. (Tue,) studied this question.
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