渠道防渗工程技术

渠系输水损失占渠首总引水量的50％，渠道防渗是我国目前应用最广泛的节水工程技术。本文从渠道的断面形式、防渗结构及材料等方面作了探讨，并介绍了特种土基渠道对渠床的处理办法。

Anti-seepage Engineering Techniques for Irrigation Canals

Water losses in irrigation canal systems are about 50 percent, and canal anti-seepage as an engineering technique of water saving irrigation is widely used in China nowadays. This paper approaches the shapes of sections, the structures and the anti-seepage meterials of irrigation canal, and introduces a method treating special siol base of canalbed.