Both the condition of the heat, the moisture of the subgrade, their changing law and the stress distributing are the key factors to cause the frost damages.
路基的热状况、水分状况与变化规律及由此引起的应力重分布是引起道路冻害的主要因素。
Therefore, it is very interested to research the rock characters under damages by frost and thaw in the condition of different initial water-saturation.
因此研究不同初始含水饱和情况下岩石冻融循环损伤特性对岩体工程具有重要意义。
With the expansion of the greenhouse effect, the spring frost in Lianyungang City had the tendency that ends earlier and damages less, while the last frost date may still occur later.
在气候变暖的趋势下，连云港市春霜冻害呈提早结束、总体减轻趋势，但终霜日仍然可能偏晚出现；
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