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http://dx.doi.org/10.7855/IJHE.2011.13.3.131

A Study on Delay Time Building of Underpass for Small Car  

Lee, Young-Woo (대구대학교 토목공학과)
Publication Information
International Journal of Highway Engineering / v.13, no.3, 2011 , pp. 131-137 More about this Journal
Abstract
The development of underground space essentially leads to increase in construction cost and installation of a large structure also acts as a factor deteriorating fine sight of the city. Accordingly, there recently is a trend to make city center structures light and small if possible. In this study, for efficient development of underground space, we analyzed the change in the average delay time in comparison to the existing underpass and the influence thereof using a microscopic simulation software VISSIM 5.20 after controlling heavy vehicles not to use the underpass and to detour using the intersection above the underpass, and gradually increasing the ratio of heavy vehicles in accordance with v/c of the access road in order to examine efficiency of introducing an underpass exclusive to small cars at an underground road installed and being operated in a city road area, and presented installation standard for underpass exclusive to small vehicles adequate to the traffic characteristics. Considering the findings of the study, introduction of underpass exclusive to small cars judged to be beneficial in the aspects of reduction in the economic loss resulting from land purchase, environmental damage due to construction of large traffic structures and environment-friendly green traffic.
Keywords
underpass; delay time; v/c; ratio of heavy vehicle;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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