基于多目标优化,研究旧城市住宅社区的低影响开发布局
Fuqin Liu1, Yijun Fan1, Xinran Liu1
1School of Civil Engineering, Architecture, and Environment, Hubei University of Technology, Wuhan, Hubei, China.
PloS one
|May 13, 2025
概括
这项研究优化了旧住宅区的海绵城市转型. 减少排水量随着成本的增加而增加,但在140万元以上的回报率下降,平衡预算和土地使用是关键.
科学领域:
- 城市规划是城市规划.
- 环境工程环境工程
- 水资源管理水资源的管理.
背景情况:
- 旧城市地区的海绵城市转型面临着排水不良和有限的装修空间等挑战.
- 优化这些转型需要平衡多个目标.
研究的目的:
- 调查北京老住宅社区的最佳低影响开发 (LID) 策略.
- 为了确定建筑成本,排水量减少和排水系统性能之间的权衡.
主要方法:
- 使用风暴水管理模型 (SWMM) 与非主导排序遗传算法II (NSGA-II) 集成.
- 优化了LID布局,考虑到施工成本,流量减少,节点过载时间和最大LID面积限制.
主要成果:
- 确定了帕雷托最佳曲线,显示流水减少率与施工成本成比例.
- 当建设成本超过140万元人民币时,流水减少的好处就会达到高原.
- 增加的建设成本和减少排水与平均节点过载时间的减少有关.
结论:
- 选择转型方案需要平衡预算,土地利用,并减少所需的下水.
- 该研究为在类似的城市环境中进行具有成本效益的海绵城市升级提供了一个框架.
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