布劳斯曲线在高速环道几何设计中的应用

Application of Bloss Curve to Geometric Design of High-speed Loop

首先简要介绍布劳斯曲线作为高速环道缓和曲线新形式的设计原理和设计方法 ,然后以布劳斯曲线的设计原理为基础 ,结合高速环道几何设计的特点 ,从平面形状、设计车速、圆曲线半径、缓和曲线长度等方面入手对如何选择高速环道的几何设计技术指标进行探讨 ,并提出各项技术指标的推荐值。最后 。

This paper briefly presents the design principle and method of Bloss Curve as a new transition curve of high-speed loop. Then the paper discusses and studies how to determine the geometric design indexes of high-speed loop in terms of layout shape, neutral design speed, curve radius and transitional length based on the design principle and method of Bloss Curve and the characteristics of geometric design of high-speed loop The paper also puts forward a set of recommended parameter values used to design high-speed loop Finally, the paper gives an example and summarizes the Bloss curve's applica tion in the geometric design of oval high-speed loop