干旱区生态环境知识资源中心

There was insufficient study on track system during design of the desert railway before, while the railway development fast in wind-blown zone. The track system affectedly directly by wind-blown sand, is closely related to the safe operation. The paper presents several key theories and technologies on prevention and control of sand in track system with respect to selection of track structure scheme, control standard for sand content on ballast bed, major technical measures on prevention and control of sand on track, maintenance of and equipment in the wind-blown sand railway. The potential measures are listed as ballast glue foam with void filled up to prevent sand invasion, or a designed geotextiles manufactured spread on ballast bed surface to prevent sand, which could be installed or removed quickly and repeatedly.