下坡路段的道路线形设计安全评价方法研究  

Study on safety evaluation method in linear design of downhill road

作　　者：史扬[1] 陈永胜[1] 

机构地区：[1]北京工业大学,北京市交通工程重点实验室,北京100022

出　　处：《道路交通与安全》2009年第1期32-35,共4页Road Traffic & Safety

摘　　要：长大下坡路段往往是事故多发路段。本文基于实测数据,分析长下坡路段道路线形设计的交通安全影响因素,总结出下坡路段道路加速度模型,根据加速度变化量与交通安全之间的关系,提出以加速度的变化量为评价道路安全的量化指标,确定下坡路段道路线形设计的评价标准,来评价其安全性和合理性。Long and steep downhill roads are usually the hazardous location. Based on the data from on- the- spot survey, the paper analyzes safety factors of the road linear design for the long downhill section, and summarizes the road acceleration model of downhill section. According to the relationship between the change of acceleration and traffic safety, proposes the change of acceleration to be the quantitative indicators for the road safety evaluation, and determines the evaluation criteria or the road linear dcsign in downhill station so as to evaluate theh salety and rationality.

关 键 词：下坡 加速度 安全评价 

分 类 号：U491.3[交通运输工程—交通运输规划与管理] U412.32[交通运输工程—道路与铁道工程]