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http://dx.doi.org/10.12652/Ksce.2010.30.6D.605

A Study of Impact Factors and Barrier Height of Compact Car Road for Decision of Barrier Type  

Choi, Hyun-Ho (한국도로공사 기술심사처)
Kim, Ki-Hwan (한국도로공사 기술심사처)
Lee, Eui-Joon (한국도로공사 경남지역본부)
Yi, Sang-Keun (한국도로공사 기술심사처)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.30, no.6D, 2010 , pp. 605-613 More about this Journal
Abstract
In this study, Impact factors are represented and barrier height of compact car road of safety barrier is suggested through the investigation of applying problems of existed standard of general car road. For this, traffic accidents analysis is performed and based on the analysis, impact vehicle weight, impact Angle, crash velocity, and barrier height are investigated. For the decision of impact angle, analysis is carried out by comparison of RISER and 2-lines expressway accidents data. Through this, higher-impact angle is suggested. Vehicle weight data of sub-compact car, small vehicle, medium and large vehicle, SUV, small truck is surveyed and analyzed. Based on the accident accumulation rate, regression analysis of vehicle weight impact and impact velocity is performed. Also, based on the cumulative rate of vehicle weight on expressways near Seoul, barrier height of compact car road is calculated. It is noted that the results of this study will be contributed to the decision of barrier type.
Keywords
compact car road; safety barrier; crash analysis; impact angle; crash velocity;
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