浅述运行车速作为道路线形设计基础参数的合理性

Discussion on the Rationality to Use Operating Speed as a Basic Alignment Design Parameter of Road

通过分析车辆行驶特性,指出了设计车速作为路线设计基础参数存在的缺陷,从而提出了运行车速理论,并且结合川九路的成功案例,论述了运行车速在道路线形设计中应用的合理性,并对传统道路线形设计方法提出了改进。

Through the analysis to the driving characteristics of automobiles,the defects existing in taking the design speed as the basic alignment design parameter are pointed out.Thereby,the operating speed theory is put forward.The rationality to use operating speed as a basic alignment design parameter is discussed combined with the successful cases of Chuan-Jiu road.Traditional road alignment design methods are improved.