作者根据川西北地区的气候和土性条件，对该地区的季节性冻土路基隔离层的设置位置对路基稳定性的影响进行了分析。
According to climate and soil texture condition in northwestern Sichuan region , the stability of subgrade is analyzed under the influence of the setting location of the insulating layer in the seasonal frozen soil subgrade in this the region .
季节隔离