摘要
Abstract
The paper took Lanzhou-Xinjiang Railway as a background and the study focuses on the frost damage there.First of all,the influence on the line operation was mentioned,discussing the status quo and the characteristics of the damage; next,by means of on-site investigation and testing,the phenomenon in the typical frost damage zone along the Railway was analyzed with the damages being classified; simultaneously,taking the track bed and the subgrade bed as the objectives,the damages were studied from the aspect of soil,water and temperature; last,the genesis and mechanism of the frost damage to the Lanzhou-Xinjiang Railway subgrade was generalized,offering the basis of the treatment.关键词
兰新铁路/季节性冻土区/路基冻害/现状调查/成因分析Key words
Lanzhou-Xinjiang Railway/ seasonal permafrost region/ subgrade frost damage/ status investigation/ genesis analysis分类
交通工程
