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http://dx.doi.org/10.7855/IJHE.2014.16.2.099

Development of Right-Turning Channelization Design Models of Semitrailer at Intersections  

Lee, Suk-Ki (한국건설기술연구원 도로교통연구실)
Park, Soon Yong (한국건설기술연구원 도로교통연구실)
Jeong, Jun-Hwa (한국건설기술연구원 도로교통연구실)
Lee, Ju-Hwan ((주)유신 도로부)
Publication Information
International Journal of Highway Engineering / v.16, no.2, 2014 , pp. 99-106 More about this Journal
Abstract
PURPOSES : This study is to develop Right-Turning Channelization Design Models of Semitrailer at Intersections by regression of vehicle tracking simulation. METHODS : Based on the literature review, it was indicated that right-turning channelization design guide of semitrailer is too complex and is not reflected turning speed and approach angle. To verify effectiveness of right turning semitrailer trajectories according to the changing turning speed and approach angle, vehicle tracking simulation was executed. And then, simulation results were analyzed for modeling design elements; minimum turning radius, swept path width, arc length, width of triangle island, of right-turning channelization using regression methods. RESULTS : When the turning speed is getting higher, minimum turning radius, arc length, width of triangle island increased and the approach angle lower, swept path width, arc length, width of triangle island reduced. The turning radius completely reflected by turning speed. CONCLUSIONS : In this research, it was investigated how much design elements are changed according to the turning speed and the approach angle of semitrailer. The developed right-turning channelization design models can help engineers to easy and comfortable design at various conditions.
Keywords
right-turning channelization; semitrailer trajectory; channelization design elements; design vehicle; regression;
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