基于运行速度检验公路路线设计的研究

Research on road route design based on running speed inspection

结合某项目一级公路的勘察设计,运用运行速度检验的方法,研究了运行速度与路线线形之间的规律,研究结果表明:对设计速度与运行速度之差大于20 km/h的路段,应从路线平、纵、横断面上提出改进措施;应用运行速度检验结果,合理设置爬坡车道、紧急避险车道等设施。

Combining with the surveying design for the first-level road of some program,the paper adopts the methods for the running speed inspection,researches the rules for the running speed and the road line features,proves by the research results that the improved measures should be indicated from the horizontal,vertical and the subgrade cross section which the difference between the designed speed and the running speed,that the difference is 20 km/h applies the inspection results of the running speed,has the reasonable allocation for the climbing roadway and emergency escape ramp.