高速公路视距加宽与最小半径取值研究
Research on Widening Sight Distance and Minimum Curve Radius of Highways
曾力1
作者信息
- 1. 四川省公路规划勘察设计研究院有限公司,四川 成都 610031
- 折叠
摘要
受不良地质、基本农田、水源保护区以及生态红线等多因素限制,高速公路展线无法全部采用较高的平曲线半径,可能导致左偏曲线段最内侧行车道出现视距不良地段.为降低行车风险,文中对视距不良路段进行视距检验并采取相应的工程技术和措施予以改善.综合考虑设计施工,给出实用最小平曲线半径.
Abstract
Due to various factors such as unfavorable geological condition,basic farmland,water conservation district,and ecological red lines,the whole highway cannot all adopt relatively high curve radius,which may lead to poor visibility in the innermost lane of the left curved section.In order to reduce vehicle travelling risk,visual distance inspection is carried out on sections with poor visual visibility,and corre-sponding technical and engineering measures are taken to improve them.A practical minimum curve radius is provided based on comprehensive consideration of design and construction.
关键词
停车视距/视距加宽/实用最小曲线半径Key words
Stopping sight distance/Widening of sight distance/Practical minimum plane curve radius引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据