对高等级公路路线设计中超高缓和段设置的探讨

Study for Establishing of Superelevation Easement Curves in High Grade Highway Route Design

通过结合规范和工程实际 ,提出对高等级公路路线设计中超高缓和段设置的三个条件 ,并推导出临界判断公式 ,以便在超高缓和段设置时区别对待。

Through specification and project fact,thi s paper puts forward 3 terms of superelevation easement curves for establishing in high grade highway route design,and then deduce a critical formula ,in order to treated separately to est ablish superelevation easement curves.