This paper gives a brief introduction on the situations and characteristics of blown-sand hazards along railway and summarizes the action mode of blown-sand.Through field investigation and research,the natural environment conditions,reasons distributions and characteristics of blown-sand hazards along Taiyuan-Zhongwei-Yinchuan Railway were mastered.Based on the successful experiences of other desert railways in preventing and controlling the desertification,according to the special conditions of this area,a...