Experimental Study on the Frost Heaving Characteristics of Turfy Soil Foundation

In this paper, the authors take the turfy soil in east Jilin province of China as the research object to make the analysis and conclusion on the frost heaving characteristics of the turfy soil foundation based on the indoor experiment. The study shows that the frost heaving rate is quite higher at the superficial layer of the turfy soil foundation but is slightly lower at the deep layer; the biggest frost heaving rate has a close connection with load, position, frozen depth and moisture content. Therefore, for the road construction, it is necessary to make a reasonable design and construction according to its characteristics, so as to prevent the roads in the turfy soil areas from generating diseases.