基于三角网算法的公路纵断面设计及实例验证

Highway Profile Design and Its Case Verification Based on the Triangulation Algorithm

当前公路纵断面设计结果与真实施工环境数据拟合度较差,应用效果不佳。为此,提出基于三角网算法的公路纵断面设计方法,并通过实例验证此方法应用效果。首先,根据车辆行驶参数统计分析结果,确定公路基础设计参数;其次,构建基础三维模型,将该模型与研究区域的基础三角网图合并,得到三角网计算模型;最后,应用模型计算结果,完成公路纵断面设计方案,确定关键设计参数。实验结果表明:基于三角网算法的公路纵断面设计结果与真实施工环境数据拟合度更高。

At present,the result of highway profile design has a lower degree of fitting with the data of the real con-struction environment,and its application effect is not good.Therefore,a method of highway profile design based on the triangulation algorithm is proposed,and the application effect of this method is verified by examples.Firstly,the basic design parameters of highways are determined according to the statistical analysis results of vehicle driving parameters.Then,a basic 3D model is constructed,and the model is combined with the basic triangulation diagram of the research area to get a triangulation calculation model.Finally,the scheme of highway profile design is com-pleted by the calculation results of the model,and key design parameters are determined.Eexperimental results show that the result of highway profile design based on the triangulation algorithm has a higher degree of fitting with the data of the real construction environment.