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护栏高度变化对防撞能力影响研究

DOI: 10.3969/j.issn.1674-0696.2015.01.18, PP. 84-86

Keywords: 交通工程,护栏高度,碰撞,仿真模型,安全性能,trafficengineering,heightofguardrail,collision,simulationmodel,safetyperformance

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Abstract:

:?护栏高度由于路面加铺罩面而降低,使得其安全防护性能受到影响。利用LS-DYNA有限元分析软件对不同高度下波形梁护栏进行了碰撞仿真实验,量化分析了护栏高度降低与其安全防护能力关系,确定了护栏防撞性能不能满足规范要求的临界高度值。对沿海高速公路原有护栏提出改造方案,并运用计算机仿真证明其符合规范规定。

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