压力输水管道经济管径确定方法的探讨

Discussion of the Determination of Economic Pipe Diameter on Pressure Pipe

针对传统经济管径计算时采用规划水量作为计算水量,以及采用固定维护保养费率的取值方法进行了改进。采用曲线拟合方法预测各年水量,并按逐年递增的方式计提维护保养费用,使计算出的经济管径更加合理。在采用投资净现值法的基础上,以华东地区某输水管道工程为例,介绍了输水管道经济管径的确定过程。

The article points out the shortcomings of the traditional economic pipe diameter calculation method, and then improved. Using curve fitting method to predict water supply each year, and the incremental method to calculate maintenance costs, the calculated economic diameter is more reasonable. Finally, taking the project in East China as an example, the article introduces the determination process of economic pipe diameter.