沪宁高速公路安全体系和中分带开口护栏研究

Research on Safe System and Hatch of Interval Median Barrier in Huning Expressway

针对扩建后8车道沪宁高速公路的交通安全问题提出了“基于交通行为模式推断的多元回归事故预测模型”,并在事故预测的基础上对未来8车道的沪宁高速公路进行了安全评价。事故预测和安全评价结果可对扩建的沪宁高速公路交通工程设置方案进行指导。本文还根据沪宁高速公路的实际情况,从乘客及驾驶员的安全性和舒适性入手,采用计算机模拟及实车试验的研究方法,提出了适用于沪宁高速公路的中央分隔带开口长度,单侧车道封闭时开口处的交通组织及适用于开口处的混凝土活动护栏。

This article put forward a ＂multi-recursive traffic accident model based on traffic action mode conclusion＂ combined with Huning 8 lane expressway,and evaluate Huning expressway safety based on traffic accident forecast. The result of traffic accident forecast and safety evaluation can supervise traffic engineering setting of rebuilding Hu-Ning expressway. This article also bring forward an appropriate hatch length for Huning expressway and traffic structure for the hatch when single roadway was closed,it also gave an movable concrete median barrier system used on the road hatch.