冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
The lengthwise cracks caused by frost heave, and settlement, bulge, rut caused by spring thaw are the main forms of frost damage of roads in seasonally frozen soil region.
在极限情况下，对于非常软弱的岩石，形成分离裂缝之前，也会发生边界处的沉陷。
In the limit, for very weak rock, settlement at the boundary can also occur before the separation crack.
冻土区的冻胀、融沉给该地区道路和建筑物造成很大的危害，如使道路出现裂缝、沉陷、结构断裂、基础上拔等。
The frost heave and thawing settlement of frozen soil area can do great harm to the road and building which lies on it, such as the crack, settlement, fragile structures foundation element etc.
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