公路平面交叉中转弯半径与路面宽度关系的探讨

Discussion on the Relationship between Turning Radius and Pavement Width in Highway At-grade Intersections

文中以公路平面交叉中转弯车道作为研究对象,以车辆尺寸、转弯半径作为变化的影响因素,以确定不同设计车辆在不同转弯半径上所需的路面宽度为研究目的,以车辆转弯时的空间形态为切入点,构建转弯车辆和转弯车道组合的几何图形,采用几何方法建立数学公式,计算所需的转弯路面宽度。

In this paper, the turning lane in the highway at-grade intersections is taken as the research object and the design of vehicle size and turning radius are taken as the influencing factors for the change. The research purpose is to determine the required pavement width for different vehicles design at different turning radius. In order to calculate the turning road width, it starts with the spatial form of the vehicle when turning, constructs the geometry of the combination of turning vehicle and turning lane and uses the geometric method to establish the mathematical formula.