根据《土工试验方法标准-99》冻胀率为总冻胀量与冻结深度（不包括冻胀量）的比值。
经过统计回归分析，提出设计冻深与冻胀率的计算公式。
The formula for computing frost depth and frozen-heave factor is puted forword through statistical regression analysis.
对公路桥涵季节性冻土冻胀的影响因素进行了分析，并利用冻胀率进行分类供防冻害设计时进行参考。
In this paper, the analyses on influencing factor of frost heave are being conducted in the light of seasonal frost soils for highway projects.
饱水砂砾料冻结时之冻胀敏感性，以冻胀率的大小作为分类指标。 它主要受细粒土含量及冻结条件的影响。
The frost heave ratio, as an index of classification of frost susceptibility for sandy gravel, mainly depends on not only the. content of fine grained soil but also its freezing condition.
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