砂性土壤冻结温度高，易冻结；
Sand- like soil's freezing point is higher and easily be frozen;
土壤冻结达到的最大深度。
同时亦对影响土壤冻结深度的温度因子做了探讨。
The law of annual variations of frozen depth and the charateristics of water moving to freezing interface were analyzed.
该文通过土壤冻结期间积水入渗试验，获得了不同入渗水温条件下冻土的入渗规律。
During the freezing period, the infiltration experiments were conducted and the infiltration characteristics of the frozen soil under different water temperatures were obtained.
该文通过土壤冻结期间积水入渗试验，获得了不同入渗水温条件下冻土的入渗规律。
During the freezing period, the infiltration experiments were conducted and the infiltration characteristics of the frozen soil under different water temperatures were obtained.
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