海南岛高速公路一般互通立交选型研究

摘要

Through the analysis on 60 interchanges has been completed in Hainan Island highway,this paper elaborated the setting characteris-tics of diamond interchange,partial cloverleaf interchange and single trumpet interchange in highway without fees,and compared their advanta-ges and disadvantages,proposed the type selection ideas selected limbs cross form,and the optimal interchange form was diamond interchange or half cloverleaf interchange,and through the design examples,elaborated the application technology of this type selection idea.%通过对海南岛高速公路已建成的60座一般互通立交的分析，阐述了菱形立交、部分苜蓿叶形立交及单喇叭立交在不收费高速公路中的设置特点，并对其优缺点进行了比较，提出了选择四肢交叉形式，且最优立交形式为菱形立交或半苜蓿叶形立交的选型思路，并通过设计实例，阐述了该选型思路的运用技术。