摘要
本文依据非堆积搬运理论和饱和路径学说的原理，以内蒙古阿拉善盟孪井滩扬水灌溉工程引水干渠为例，提出了荒漠、半荒漠地区渠道防沙措施，包括：（１）渠道横断面结构选择“Ｕ”型断面；（２）渠道两侧固沙防护林草体系。
According to the theory of no-accumlate carring and saturation rang,takingthe example of water main of water lift and irrigate work in Luanjintan,Alashan League,In-ner Mongolice,we give two methods of canal protected from sands:(1)Canal in“U”section.(2)Sands-fixed shelter-belt beside the canal.
关键词
荒漠区
半荒漠区
饱和路径
渠道防沙
Desert area
Semi-desert area
No-accumulate carring
saturation rang
canal protected from sands
