文章以青藏铁路路基实际发生的病害为例,根据青藏铁路所处地区多年冻土的特征,分析路基病害的成因,运用的综合整治方法及预防措施,以期为多年冻土路基施工、病害整治及预防提供借鉴.%This paper takes the roadbed disease of the Beijing-Tibet Railway as an example. According to the characteristics of permafrost in the Beijing-Tibet Railway, the causes of subgrade diseases are analyzed. The paper puts forward comprehensive treatment methods and preventive measures, so as to provide experience for the construction of permafrost subgrade, prevention and cure of subgrade diseases and preventive measures.
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