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侧风环境下考虑行车安全的路堤风速场研究

DOI: 10.3969/j.issn.1674-0696.2013.01.13, PP. 54-57

Keywords: 道路工程,行车安全,现场实验和仿真,路堤风速场,侧风,highwayengineering,drivingsafety,fieldtestandsimulation,windvelocityfield,crosswind

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Abstract:

:?为研究侧风环境下路堤风速场,建立了有限元模型,对不同高度路基风速场进行了仿真分析;现场实测了侧风环境下的路基风速变化规律,验证了仿真结果的正确性。提出了影响行车安全的计算风速区域。结果表明:路基越高局部风速的增强就越大,上风侧路肩和行车道风速增强最明显,对行车安全影响越大。研究结果提供了侧风环境下高大路堤行车安全的理论基础。

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