公路排水设计中应注意的几个问题

水是影响公路使用功能和耐久性的重要因素，公路的排水设计对路基的稳定性和路面的使用寿命具有显著影响。随着公路设计新理念的提出，又对其在安全和环保等方面提出了更高的要求。此文结合已往排水设计中存在的一些问题，对公路排水设计的原则、标准和方法进行分析和探讨。

Several problems deserve attentions in drainage design of highways

Water is a main factor which can influence using function and durability of highways. Drainage design of highways thus can greatly influences using function and durability of highways. With new design concepts being put forward, it entails higher demands for sifty and environmental protection in drainage design of highways. This paper in view of problems existed in previous drainage design of highways makes an anal ysis and exploration of principles, standards and methods in drainage design of highways.