高速公路大修工程中央分隔带护栏改造方案研究——以沪昆高速湘潭至邵阳段大修工程为例  

Research on the Reconstruction Scheme of the Median Separator Guardrail in Expressway Overhaul Project-Taking Xiangtan-Shaoyang Section of Shanghai-Kunming Expressway Overhaul Project as an Example

作　　者：黄征 傅磊 杨晨 HUANG Zheng;FU Lei;YANG Chen(Hunan Provincial Communications Planning,Survey&Design Institute Co.,Ltd.,Changsha 410005,Hunan,China)

机构地区：[1]湖南省交通规划勘察设计院有限公司,湖南长沙410005

出　　处：《工程技术研究》2023年第8期21-24,共4页Engineering and Technological Research

摘　　要：文章以沪昆高速湖南湘潭至邵阳段大修工程为例,通过分析其中分带护栏功能需求,对比各改造方案的主要技术指标和工程经济指标,提出了整体式混凝土护栏提升改造方案。工程实践表明,该中分带护栏改造方案具有安全防护性能优异、易维护等突出优点,工程经济性适宜,是国内其他超大流量、重载交通高速公路在大修时可优先采用的改造方案。Taking the overhaul project of Xiangtan-Shaoyang section of Shanghai-Kunming Expressway in Hunan Province as an example,this paper analyzes the functional requirements of the median separator guardrail,compares main technical indicators and engineering economic indicators of each reconstruction scheme,and puts forward integral concrete guardrail upgrading and reconstruction scheme.The engineering practice shows that the median separator guardrail reconstruction scheme has outstanding advantages such as excellent safety protection performance and easy maintenance,and is economically suitable.It is a preferred reconstruction scheme for overhaul engineering of other expressways with super-large flow and heavy traffic load in China.

关 键 词：大修工程 分设型波形梁护栏 整体式中分带混凝土护栏 安全防护性能 

分 类 号：U417.12[交通运输工程—道路与铁道工程]