基于改进C-Logit模型的三峡翻坝运输分担率研究

Journal of Wuhan University of Technology(Transportation Science & Engineering)(2019)

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Abstract
三峡枢纽船舶积压日益严重,翻坝是解决三峡枢纽船舶积压的有效策略.结合三峡枢纽翻坝运输路径特点,选取能改善传统Logit模型IIA和IID弊端的改进C-Logit模型为基础模型,引入考虑时间成本和翻坝补贴在内的广义货运费用概念,构建三峡翻坝运输分担率模型.在此模型基础上研究并分析重庆至上海集装箱和商品车翻坝运输分担率和其翻坝补贴之间的量化关系.分析表明,翻坝补贴措施能有效地增加翻坝运输分担率,在各应急等级下,每提供100元/TEU或100元/车的翻坝补贴就能实现集装箱约6.2%或商品车约21.2%的转移率.
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