本文结合连霍高速公路洛阳至三门峡(豫陕界)段改扩建工程实践,根据项目区地形、地貌、老路排水现状、超高情况,依据排水设计原则,系统地介绍了改扩建公路路肩排水、中分带排水、新老路之间排水设计,为今后改扩建方式下的路面排水设计提供经验和参考。 Based on the practice of reconstruction and extension project of Luoyang-Sanmenxia section of Henan-Shaanxi Expressway in Lian-Huo expressway, according to the topography, topography, drainage status and superhighway conditions of the project area, according to drainage design principles, Drainage in the sub-zone, drainage between the old and new design for the future expansion of the road drainage design experience and reference.