近年来高速公路发生交通事故车辆翻越中央分隔带护栏屡次导致二次事故的发生,为了防治此类事故,结合沿线景观要求,提出在混凝土护栏上留孔的景观混凝土护栏新型式,对新护栏进行了碰撞试验,结果表明该型式护栏安全可靠,能有效防治事故车辆二次事故发生。最后对新型式护栏的施工技术进行了总结,为新型式护栏在京石高速公路改扩建中的推广应用提供指导。 In recent years, traffic accidents on the highway over the central divider fence repeatedly lead to the occurrence of the second accident, in order to prevent such accidents, combined with the landscape along the line, proposed in the concrete guardrail hole landscape concrete guardrail new type of new guardrail The crash test, the results show that the type of guardrail safe and reliable, can effectively prevent accidents secondary accidents. Finally, the construction technology of new type guardrail was summarized, which provided guidance for the popularization and application of the new guardrail in the reconstruction and extension of Jingshi Expressway.