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文章根据青藏铁路多年冻土地区路基养护的特点,分析了路基病害主要是由冻胀引起的路基整体性破坏和融沉引起的滑塌,提出了冻土地区路基日常养护和大中修的工作内容,对多年冻土地区铁路路基的养护施工有一定的借鉴作用。
According to the characteristics of roadbed maintenance in permafrost regions along the Qinghai-Tibet Railway, the article analyzes the roadbed diseases mainly caused by the frost heaving and the sinking caused by the melting subsidence. The paper puts forward the daily maintenance and large and medium-sized subgrade repairs in permafrost regions Content, for the construction of the railway subgrade in permafrost region have some reference.