供水管道经济管径数学模型研究与应用  

Research and Application of Mathematical Model for Economic Pipe Diameter

作　　者：刘金阳 刘家智 LIU Jinyang;LIU Jiazhi(Guangdong Zhurong Architecture & Engineering Design Co., Ltd,Guangzhou 510610, China;Qiandongnan Water Resources Group Co., Ltd,Kaili 556000, China)

机构地区：[1]广东珠荣工程设计有限公司,广东广州510610 [2]黔东南州水利投资有限责任公司,贵州凯里556000

出　　处：《广东水利水电》2019年第6期20-22,共3页Guangdong Water Resources and Hydropower

摘　　要：通过经济学中的资金回收公式,进行管道造价投资的等年分配,考虑资金的时间价值,计算压力输水管经济管径,采用数学计算方法,求出最小值是所对应的管径为最经济管径,数学模型成果更具经济性,可供类似工程参考。The equal-year distribution of pipeline cost investment can be carried out through the fund recovery formula in economics. The economic pipe diameter of pressure water pipeline can be calculated through the way of considering the time value of funds. The most economic pipe diameter is the minimum value of the pipe diameter, which can be calculated by by mathematical method. The results of mathematical model are more economical, which can be used as reference for similar projects.

关 键 词：经济学 资金时间价值 经济管径 

分 类 号：TU991.36[建筑科学—市政工程]