高速公路中央分隔带护栏形式选择

Selection of Median Barrier Types

通过对我国高速公路上常用的４ 种中央分隔带护栏形式的适用性及寿命周期费用分析， 提出了护栏特性、道路和交通条件、材料价格、业主投资等因素如何影响护栏形式选择的若干定性和定量结论。

This paper,through the analysis of adaptatility and Life?Cycle Cost of the four popular MB design types,presents some qualitative and quantitative conclusions of how the following factors,such as barrier characteristics,road conditions(median width,road classification),traffic conditions(traffic volume,composition),material prices(steel,concrete)and investment,etc ,affect the selection of different barrier types