对公路隧道防排水设计原则进行了分析，从环境保护和施工安全角度出发提出了把“堵”水措施放在隧道防排水设计首位的原则，并阐述了公路隧道防排水设计要点，以最大限度地保障公路隧道的行车安全性。%The paper analyzes the waterproof and drainage design principles for roads and tunnels,points out the priority for the tunnel water-proof and drainage design should be given to the“blocking”,and illustrates the design points for the waterproof and drainage design of roads and tunnels,so as to maximize the security of vehicle on roads and tunnels.
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