关于渠灌区管道输水灌溉的几点思考

本文阐述了管道输水灌溉在渠灌区中的应用形式。提出在渠灌区部分有利地区发展管道输水灌溉是当前灌溉区节水改造的一个重要措施。对如何降低管网工程造价从管道输水形式、管网规划布置形式、管材选取做了一些有益的探索。作者指出将管灌区作为一个独立单元，重新确定设计灌水率是降低管网工程造价的一个重要内容。

Piping in Canal Irrigation District

In this paper,the application of the piping in canal irrigation district is introduced.How to decrease the pipeline network cost is discussed from water conveyance type,plan and layout of pipeline network,and selection of pipe material.The anuther pointed out that it is important to treat the area where the piping is established as an independent unit and re-determining the design watering rate for decreasing the pipeline network cost.