隧道冻害

隧道冻害机理及冻胀力计算方法的研究

Study on Principle of Tunnel Freeze Injure and Calculation Method of Frost Force

寒区隧道冻害一直是工程界亟需解决的问题。

Frost damage in cold region tunnels has been a outstanding issues in engineering .

公路隧道冻害防治技术

Technique of preventing frost damage in highway tunnel

硬质聚氨酯在寒冷地区隧道冻害防治中的应用

Application of hard urethane foam for prevention of frost damage in tunnels at cold area

导致寒冷地区公路隧道冻害发生的原因可以总结为两个基本因素，即低温和适量的水。

Low temperature and the amount of water are two basic factors of frost damage in cold region tunnel .

工程应用结果表明，隧道冻害等级划分方法可行，隧道冻害防治措施得当。

Application results shows that the division method of tunnel frost damage degree is feasible , and prevention and control measures for tunnel frost damage is expedient.112 figs , 24 tabs , 150 refs .

冻胀力是寒区隧道冻害发生的主要原因，在寒区隧道的研究中，最关键的问题是研究冻胀力的发生、发展以及怎样预防或消减冻胀力使其对工程的影响达到最低限度。

Frost-heaving force is thought to be the main reason of freezing disaster , In the study of tunnel in cold regions the key point is how to prevent and decrease the damages caused by frost-heaving force .

在对大量冻土隧道冻害现象及其形成机理进行研究的基础上，发现冻胀力是隧道冻害发生的主要原因，温度条件、水文条件、围岩条件、工程措施是隧道冻害发生的主要因素。

On base of study on large quantity phenomena and principle of tunnel freeze injure , That frost force is main reason of tunnel freeze injure is discovered . Temperature , water , surrounding rock , engineering measure are main factors of tunnel freeze injure .

可见，寒区隧道的冻害是普遍存在的问题严重影响了行车安全。因此，对寒区隧道的冻害预报是至关重要的。

These freezing damages is a common problem and cause driving safty problems , for this reason , freezing forcast is important in tunnel in the cold region .

寒冷地区隧道渗漏与冻害综合防治技术探讨

Study on the techniques to prevent leakage and freezing in cold region tunnels

季冻区隧道渗漏与冻害防治研究

A Study on Prevention of Tunnel leakage and Freezing in Seasonally Frozen Zone

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 .

针对新建隧道抗冻设防等级和既有隧道冻害程度等级，制定了相应的冻害预防措施和整治措施，并在具体工程中得到了成功应用。

In view of the frost resistance and fortified degrees of the new tunnel and the frost damage level degrees of existed tunnel , the paper lays down related freeze damage precautionary measures and regulation measures , which succeed in the application of engineering .

提高衬砌混凝土的抗渗抗冻能力，对隧道采取保温或供热措施是防治寒区隧道冻害的有效措施。

Improving impervious ability or setting insulation are effective measures for preventing tunnels frost damage in cold regions .

因此，如何在寒区隧道的建设中采取行之有效的措施，避免或减轻隧道冻害的发生，是目前隧道工作者们急需解决的问题。

Therefore , how to take effective measures in the construction of tunnels in cold regions to avoid or reduce the frost damages is a problem for tunnel workers , which calls for immediate solution .

根据实测资料，初步分析了昆仑山隧道洞内气温、地温及隔热层内外侧温度分布特征，得出的结论对多年冻土区隧道工程建设及冻害防治有一定的指导意义。

Based on the observed data , the distribution characters of the air temperature , ground temperature , and temperature on two sides of an insulation layer in this tunnel , were analyzed .