互通式立体交叉匝道连接部起终点坡位置讨论

Position of the Beginning and Ending Slopes of Interchange Ramp Joints

文章就互通式立体交叉的设计特点,结合立交内变速车道的超高及其过渡的应用,介绍了匝道纵坡设计时选择起、终点的问题,以提高上下互通车辆行车的舒适性及安全性。

Concerning the designing characteristics of interchanges and considering the superelevation of speeding lanes and the application of the transition part, introduces the selection of the beginning and ending parts in designing the longitudinal ramps so as to promote the comfort and safety for vehicles of both directions.