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农村安全饮水工程投资中,管网部分费用比重很大,设计时的方案比选及工程运行时的管理均属不便。文章从管网建模开始,到干支管流量、管径计算,根据计算分区和实际供水分区直接建模,直至在工程建成后的运行管理中发现问题、改进管理方法等,进行了系统的建模和论述,以期在今后工程中加快设计、施工进度,并最大限度地减少管网运行的管理费用。
In the investment of rural safe drinking water project, the proportion of the cost of the pipe network is quite large, and it is inconvenient to compare and select the schemes at the time of design and the management during the project operation. The article begins with the modeling of the pipe network, calculates the flow and pipe diameter of the branch pipe, and directly models the subarea and the actual water supply subarea until problems are found in the operation and management after the project is completed and the management methods are improved. The system construction Mode and exposition, with a view to speeding up the design and construction progress in future projects and minimizing the administrative expenses of pipe network operation.