渠道防渗是减少渠道输水渗漏损失的工程措施。不仅能节约灌溉用水，而且能降低地下水位，防止土壤次生盐碱化；防止渠道的冲淤和坍塌，加快流速提高输水能力，减小渠道断面和建筑物尺寸；节省占地，减少工程费用和维修管理费用等。
...词：填筑土料；渠道防渗；基础处理；排水设计；南水北调 [gap=1125]Key words: filling soil material;channel seepage control;foundation treatment;drainage design;South-to-North Water Diversion ..
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混凝土是我国渠道防渗工程主要采用的工程材料之一。
Concrete is one of major engineering materials used for canal seepage control in our country.
同时通过渠道防渗的工程实践探讨该材料的应用领域及施工工艺。
The application area and construction technique of this agent are also discussed combined with engineering practice of canal anti-seepage works.
推广使用混凝土和沥青混凝土、塑料薄膜等成熟的渠道防渗工程常用材料；
Popularize common materials for mature ditch anti-seepage projects such as concrete, bituminous concrete and plastic film.
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