如何能提供安全、合理、经济的措施，减少或避免隧道冻害成为一个亟待解决的问题。

How to provide the safe, reasonable and economical measures to avoid or reduce frost damage in tunnels, this question has became an significant issue.

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如何在这些隧道的修建中采取有效措施，以避免冻害现象的发生，是目前隧道工程界亟待解决的问题。

Therefore, problems of how to take effective measures to prevent cold damages from happening during construction have constantly coming into our view and still remain to be solved.

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针对这一现状，本文对公路隧道的渗漏与冻害问题进行了研究。

This paper goes on research on the leakage and frost damage problem of highway tunnel in accordance with present condition.

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