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为加深对冻胀机理的了解，首先研究与未冻水迁移密切相关的冻结缘是十分必要的，文章综述了冻结缘的微结构特征和冻结缘的特征参数（包括未冻水含量、导湿系数和冰、水相压力），然后概述了各类冻胀预报模型的发展方向，并提出冻结缘和冻胀模型研究领域的工作重点是：继续加强冻胀机理的研究、深入测定冻结缘的特征参数和建立健全冻胀预报模型的综合评价．
In order to deepen the understanding of the mechanism of frost heave, it is necessary to study the fringe which is closely related to the unfrozen water migration. The paper summarizes the microstructural characteristics of frozen fringe and the characteristic parameters of frozen fringe (including unfrozen water content, Coefficient and the pressure of ice and water phase). Then the development direction of various types of frost heave forecasting models are summarized, and the work focuses in the research fields of frost frost heaving frost heaving model are as follows: to continue to study the mechanism of frost heave, Characteristic parameters and establishment of a comprehensive evaluation of frost heave forecasting model.