By use of the finite element equation from Biot theory, it presents the analysis and calculation of the uneven thaw collapse and deformation of tundra subgrade, and given the reference to attaching stress calculation.

• 采用Biot固结理论的有限元方程,对多年冻土地区路基的不均匀融沉变形进行计算与分析,为路面融沉附加应力计算提供依据。