Combining with the road trend and tunnel’ s basic conditions, the paper analyzes the importance of the longitudinal slopes design for road tunnels, explores the preparation for the slope design and the precautions in the design, and points out the requirements for the longitudinal slopes, so as to lay the foundation to meet the demands for the road tunnel construction.%结合公路走向及隧道的基础情况，对公路隧道纵坡设计的重要性进行了分析，并探讨了纵坡设计的准备工作及设计时需要注意的事项，同时提出了纵坡设计的要求，为满足公路隧道建设需求奠定基础。
展开▼
