考虑资金时间价值的给水管网经济流速计算与影响因素研究  

Economic Velocity Calculation and the Influencing Factors of the Water Supply Network Considering the Time Value of Capital

作　　者：吴雨航 胡晓兰 喻霈雯 薛英文[1,3] WU Yu-hang;HU Xiao-lan;YU Pei-wen;XUE Ying-wen(School of Civil Engineering, Wuhan University, Wuhan 430072, China;Hunan University Design and Research Institute Co., Ltd. Changsha 410006, China;Engineering Research Center of Urban Disasters Prevention and Fire Rescue Technology of Hubei Province, Wuhan 430072, China)

机构地区：[1]武汉大学土木建筑工程学院,武汉430072 [2]湖南大学设计研究院有限公司,长沙410006 [3]湖北省城设综合防灾与消防救援工程技术研究中心,武汉430072

出　　处：《中国农村水利水电》2020年第12期153-157,共5页China Rural Water and Hydropower

摘　　要：目前国内使用的给水管网经济流速考虑的是管网建设投资费用、运行动力费用、大修费用三者之和最小的管网中流速,未考虑这些费用的时间价值,以管网经济性作为优化目标建立数学模型,以经济流速作为研究对象,在原费用目标函数的基础上引入了资金的时间价值概念,并以此为依据,讨论了管道造价、泵站电费变化系数、电价几个主要因素对于经济流速的影响,分析了产生影响的原因和影响的趋势。经过研究,给出了新的经济流速范围。At present,the economic velocity of water supply pipe network is the velocity of pipe network after the minimum sum of investment cost,operation power cost and overhaul cost in China.The time value of these costs is not taken into account.Establishing mathematical models by taking the pipe network economy as the optimization goal,regarding economic velocity as the research object,the concept of time value of capital is introduced on the basis of the original cost objective function.This paper is an attempt to discuss some influence on economic velocity,including pipeline costs,the variation coefficient of pump station electricity price and electricity price.A new range of economic velocity is given in the research.

关 键 词：管网优化 经济流速 管道造价 时间价值 

分 类 号：TU991.32[建筑科学—市政工程]