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南水北调中线工程平顶山市供水配套工程共7条供水线路,其中3条采用预应力钢筒混凝土管(以下简称PCCP管)技术,文章以12号口门线路设计为例,通过管材比选、水力计算、管径确定、水锤复核等关键环节,明确了PCCP管道技术设计思路,为PCCP管道在长距离、大口径输水工程中的应用提供了完整的设计实例,对PCCP管道的推广应用提供了借鉴。
There are 7 water supply lines in the water supply ancillary works of the Middle Route of South-to-North Water Diversion Project, of which 3 adopt prestressed concrete cylinder tube (hereinafter referred to as PCCP pipe) technology. Taking Port 12 gate line design as an example, through pipeline selection and comparison, hydraulic calculation , Pipe diameter determination, water hammer review and other key links, clear PCCP pipe technology design ideas for the PCCP pipe in the long-distance, large diameter water diversion project provides a complete design example of the PCCP pipe to provide a Learn from