中美高速公路波形梁护栏比较研究

Comparative Study of Expressway W-Beam Guardrail in China and USA

通过对高速公路交通事故的调查及其原因的分析,发现我国高速公路护栏在设计、布置等方面仍存在不合理之处,这也是导致或加重交通事故的原因之一。针对这种情况,参考美国高速公路护栏的设计经验,与我国现有的高速公路护栏进行了比较分析,为建立适合我国高速路况特点的护栏设计提供参考。

By investigating traffic accident of expressway and analyzing the causes, it is found that there are still unreasonable aspects in the design and layout of expressway guardrail, which may lead to or aggravate the traffic accidents. In view of this situation, the paper consults the experience about highway guardrail design in the United States, and makes a comparative analysis with current expressway guardrail in China, in order to provide reference for the establishment of guardrail design which is suitable for the characteristics of expressway traffic in China.