Therefore, the paper, depending on the field investigation data of Qinghai-Tibet Highway, study the forming mechanism and methods of longitudinal road cracks in plateaus-permafrost region.

• 为此，论文以青藏公路裂缝野外调查数据为基础，进行高原多年冻土地区路基纵向裂缝形成机理与防治对策研究。