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http://dx.doi.org/10.12652/Ksce.2019.39.6.0853

The Strategy for Interconnection Branch Line Construction used Optimization Program  

Kim, Yong-seok (Seoul National University of Science and Technology)
Kim, Sigon (Seoul National University of Science and Technology)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.39, no.6, 2019 , pp. 853-858 More about this Journal
Abstract
One of the methods which can enhance the efficiency of railroad network is construction of interconnection branch line for several route to share one railway. In Korea, this method already has been implemented or excuted as project level. This study suggests a network design model and a solution algorithm to choice most proper site to construction it and determine the priority of branch lines which can be considered in planning level, not project level. The model is a non-linear optimization program which minimize total cost-construction cost, operating cost and passengers' travel cost. The decision variables are a binary variable to explain whether construction or not and its direction and a integer variable of the frequencies of travel routes. The solution algorithm-problem solution and route choice and also the result of implementation for example network are suggested. This result can be more advanced after application in real network and calibration of parameters.
Keywords
Railroad network; Interconnection branch line; Optimization program; Route generation; Railway sharing;
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