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首页> 外文期刊>Journal of Water Resources Planning and Management >Design of Integrated Water Systems: Water Distribution System, Household Water-Saving Scheme, and Sanitary Sewer Perspectives
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Design of Integrated Water Systems: Water Distribution System, Household Water-Saving Scheme, and Sanitary Sewer Perspectives

机译：综合水系统设计：配水系统，家用节水方案和卫生下水道的观点

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摘要

An integrated design method that complements the increasing uptake of water-saving schemes (WSSs) is presented. WSSs may consist of water-saving fittings, appliances, rainwater-harvesting systems (RWHSs), and water-reuse schemes that provide the link between water distribution systems (WDSs) and sanitary sewers (SSs). The method developed here considers the interaction between WDSs, WSSs, and SSs to provide unified solutions. In this paper, a multiobjective optimization problem is formulated and solved considering three objectives, which are (1) minimization of the total cost incurred by implementing water system interventions, i.e., excluding the associated cost savings; (2) maximization of cost savings, which are benefits conferred by interventions; and (3) minimization of system water demand. The decision variables include conventional water network design interventions (i.e., addition of pipes) and the water-saving equipment at a household level. The main constraints include both WDS and SS hydraulic performances. The optimal trade-off solutions are obtained using nondominated sorting genetic algorithm optimization processes. This method was demonstrated in the realistic subsystem of the Tsholofelo Extension water and SS networks in Gaborone, Botswana. The results show that integrating and optimizing WDS, WSS, and SS designs would improve water security and lead to more sustainable water systems. (c) 2020 American Society of Civil Engineers.
机译：介绍了一种综合设计方法，介绍了越来越多的节水方案（WSSS）的增加。 WSSS可能包括节水配件，电器，雨水收集系统（RWHSS）和水重用方案，提供水分配系统（WDS）和卫生下水道（SSS）之间的联系。此处开发的方法考虑了WDSS，WSSS和SSS之间的交互，以提供统一的解决方案。在本文中，考虑了三个目标的制定和解决了多目标优化问题，这是通过实施水系统干预，即不包括相关成本节约所产生的总成本; （2）节省成本的最大化，这是干预措施赋予的福利; （3）最小化系统用水需求。决策变量包括常规的水网络设计干预（即，添加管）和家庭水平的节水设备。主要限制包括WD和SS液压性能。使用NondoMinated分类遗传算法优化过程获得最佳折衷解决方案。在博茨瓦纳的戈德罗纳的Tsholofelo延期水和SS网络的现实子系统中证明了该方法。结果表明，集成和优化WDS，WSS和SS设计将提高水安全并导致更可持续的水系统。 （c）2020年美国土木工程师协会。

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