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A research of similarity design of collision guardrails under the overpass

文献类型： 会议论文

第一作者： Wang, Sujuan

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

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： different crashworthy grades;optimum structure parameter;overpass crashworthy barrier;similarity principle

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

主办单位：

页码： 1903-1906

摘要： In order to solve the safety problem of different grades roads and crashworthy capacity of overpass design, to meet the traffic safety requirements under different conditions, by using similar principle, several overpass crashworthy barrier in different levels had been gotten here, and had been proved to have better adaptability. In preliminary work, the optimum structure parameter of SH overpass crashworthy barrier had been gotten through orthogonal test, and this research is also based on the orthogonal test majorization result. During the similarity design, the similarity design for every parameter of barrier would be done through measuring the impact force, and to get the optimum structure parameters of overpass crashworthy barriers in different degrades. Finally, every group similarity majorization result had been checked, and the result showed that different grades crashworthy barrier which based on similarity principle design could meet the safety requirements for different crashworthy grades overpasses. This design not only could reduce cost, but also had better suitability and engineering utility.

分类号： TP3

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