Least-Cost Design of Urban-Drainage Networks
Least-Cost Design of Urban-Drainage Networks
复制标题
城市排水管网的最低成本设计
DOI：
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发表时间：
1978
期刊：
影响因子：
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通讯作者：
S. Burges
中科院分区：
文献类型：
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作者：
Syver Froise;S. Burges
网络布局被假定为已知从以前的规划活动;入口水文线是任意选择的。该优化问题被提出作为一个N阶段的顺序过程;网络节点或路口被视为阶段变量，管道在路口作为状态变量，最大流量和管道尺寸（限于商业规模）作为决策变量的倒置高程。级间非定常流路由被纳入优化模型。与传统的设计方法相比，使用该方法可以实现整体排水管网成本降低达30%。在这一节省中，40%归因于使用存储元件作为流量控制选项，其余60%通过管道尺寸的最佳组合和使用先进的水力模型来实现。
Network layouts were assumed to be known from previous planning activies; inlet hydrographs were arbitrarily chosen. The optimization problem was posed as an N-stage sequential process; network nodes or junctions were treated as the stage variable, conduit invert elevations at the junctions as the state variable, and maximum flow rates and conduit sizes (restricted to commercial sizes) as decision variables. Unsteady flow routing between stages is incorporated into the optimization model. Compared with conventional design methods, use of the approach could achieve overall drainage network cost reductions amounting to 30%. Of this saving, 40% is attributed to use of storage elements as a flow control option, and the remaining 60% achieved by optimal combinations of conduit sizes and use of advanced hydraulic modeling.