^pKey;
Laboratory;
for;
Geomechanics;
and;
Deep;
Underground;
Engineering,;
China;
University;
of;
Mining;
and;
Technology,;
Xuzhou;
221008,;
China;
^pof;
Civil;
Engineering,;
Harbin;
Institute;
of;
Technology,;
Harbin;
150090,;
China;
宏观偏析; 冻胀; 模型; 势理论; 基础; 应力应变关系; 温度梯度; 指数函数;