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Performance Evaluation of Steel and Composite Safety Barrier for Bridge by Vehicle Crash Simulation  

Kim, Seung-Eock (세종대학교 토목환경공학과)
Cho, Pan-Kyu (세종대학교 토목환경공학과)
Hong, Kab-Eui (세종대학교 토목환경공학과)
Jeon, Shin-Youl (세종대학교 토목환경공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.23, no.2, 2010 , pp. 175-182 More about this Journal
Abstract
A composite safety barrier for bridge has been developed and the performance of the composite safety barrier for bridge has been compared with the steel safety barrier for bridge through computer simulation. As the structural strength performance, the composite safety barrier for bridge is superior to the steel safety barrier for bridge according that the deformation of the composite safety barrier for bridge is 17.0% of that of the steel safety barrier for bridge. As the passenger protection performance, the composite safety barrier for bridge is superior to the steel safety barrier for bridge according that THIV and PHD of the composite safety barrier for bridge are 47.1% and 49.0% respectively of those of the steel safety barrier for bridge. As the behavior of the vehicle after crash, the composite safety barrier for bridge is superior to the steel safety barrier for bridge showing the increased exit velocity and the reduced exit angle. Both of the steel and composite safety barrier for bridge are not scattered in the analysis.
Keywords
composite safety barrier for bridge; vehicle crash; crash simulation; LS-DYNA;
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