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Optimization of the level of SS crash barrier Overpass Bridge on highway

文献类型: 会议论文

第一作者: Zhao, Jian

作者: Zhao, Jian 1 ; Lei, Zhengbao; Wang, Sujuan; Lei, Muxi; Yonghan Li;

作者机构: 1.Engineering Research Center of Catastrophic Prophylaxis and Treatment of Road & Traffic Safety, Ministry of Education, Changsha University of Science and Technology, China

关键词: Barrier;Optimal Structural Parameter;Orthogonal Experiment;Overpass Bridge

会议名称: International Conference on Mechanic Automation and Control Engineering

主办单位:

页码: 2346-2349

摘要: Based on traffic specification, the characteristics of traffic accidents on highway Overpass Bridge and current security situation associated, a new barrier has been developed to satisfy the requirement to endure the crash from large truck. To obtain the optimal structural parameters of barrier, an orthogonal method is applied to determine the vehicle- crash to barrier model that enables the simulation to 25 sets of cross-section parameters, in which design variations are 6 parameters from barrier cross-section and for each variation considerate 5 levels. Then, SPSS method is applied to analyze the 25 sets of experiment results. Consequently, parameters' effects on barrier performances are analyzed. Finally, a validation is performed based on optimal structural parameters obtained by analysis of SPSS. The result demonstrates the proposed barrier can prevent trucks of rolling and climbing effectively. Thus, overpass bridge pier is well protected. The barrier designed in this work has a good application characteristic.

分类号: TP3

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