冻结锋面

结合模型试验的设计参数和相关条件，运用大型有限元软件ADINA进行水热耦合的数值模拟，获得了冻结锋面处的温度梯度最大，水分迁移也最剧烈。

Combined with the design parameters of the model test and related conditions , using the large finite element numerical simulation software ADINA to simulate hydro-thermal coupling , we got that the freezing front at the maximum temperature gradient , moisture migration was the most dramatic .

认为地表冻胀量是冻胀率沿整个冻深的叠加；法向冻胀力则是在冻结锋面上冻胀应力沿基础影响范围之内的积分。

The normal frost heave force is an integral of soil frost heave stress at the freezing front along the range effected by a foundation .

其中切向冻胀力垂直于冻结锋面，平行作用于基础垂向侧表面，且通过影响基础与冻土间的冻结强度，使基础随着土体的冻胀变形而产生向上位移的拔起力。

Tangential frost-heave force is perpendicular to frozen frontal surface and is parallel to side surface of foundation which is a pulling force make foundation move as the frost heave deformation of soil .

在厚冰层形成后，由于冻结锋面推移缓慢和冰层厚度的不断增加，冻结缘厚度减小，分凝暖端温度和孔隙冰、水压力趋于稳定。

After the formation of thick ice lay , the temperature of warm end of segregation and pore ice and water stress stabilized gradually be - cause of slow freezing rate , thickening ice lay and thinning frozen fringe .

文章就冻结过程发生的粘性土水分向冻结锋面迁移和集聚现象，论述了正冻土水分迁移现象及其原因。

This paper discussed the reason of the underground water migration of the frozen soil , in regard to the phenomenon of the water migrating and accumulating to the freezing front during the freezing process of the clay .