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旧院水库工程为贵州省水利生态建设石漠化治理“三位一体”综合规划建设的骨干水源工程之一,工程任务为农田灌溉、工业供水兼农村人畜饮水。文章以贵州省六枝特区旧院水库工程为例,对水利工程中常用输水管材焊接钢管、球墨铸铁管、预应力混凝土管(PCCP)、玻璃夹砂管(GRP)进行了技术经济比较,介绍了玻璃夹砂管水力学计算过程,提出玻璃夹砂管在旧院水库供水工程中是一种适用性较强、经济合理的管材。
The old courtyard reservoir project is one of the backbone water resources projects of “three in one” integrated planning and construction for water conservancy ecological construction in Guizhou Province. The project tasks are farmland irrigation, industrial water supply and drinking water for rural people and livestock. Taking the old courtyard reservoir project of Liuji Special Zone of Guizhou Province as an example, the technical and economic comparison of welded pipe, ductile iron pipe, prestressed concrete pipe (PCCP) and glass sand pipe (GRP) commonly used in water conservancy projects is carried out. The process of calculating the hydraulic pressure of glass sand pipe is introduced. It is proposed that the glass sand pipe is a suitable and economical pipe in the water supply project of old hospital.