Eolian soil enormous in western area.Because of its low cohesive strength andmoisture content,large mobility , inactivity of partical surface, no good gradation ,eolianneed to be treated.

• 风积砂是西部地区富含的一种风吹砂土,其本身粘聚力差,含水率低,流动性大,颗粒表面活性低,且级配差而不宜形成整体,需要进行适当处理。