相关实验视频
Updated: Sep 12, 2025

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Design and Construction of an Urban Runoff Research Facility
Published on: August 8, 2014
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预算分配和设计降雨强度对城市洪水减缓成本效益的LID战略的影响
Seung Taek Chae1, Inhwan Park1, Kim Neil Irvine2
1Faculty of Civil Engineering, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, the Republic of Korea.
Journal of environmental management
|August 7, 2025
概括
结合低影响发展 (LID) 措施,可以有效地减少排水. 最佳的LID组合取决于预算和风暴强度,平衡成本效益以实现更好的雨水管理.
科学领域:
- 环境工程 环境工程
- 城市水文学 城市水文学
- 可持续的水资源管理
背景情况:
- 个别的低影响性发展 (LID) 措施的效果不如流量缓解的组合.
- 排水减少受到预算限制和设计风暴强度的重大影响.
- 最佳的LID组合对于有效的雨水管理至关重要,但取决于这些因素.
研究的目的:
- 开发一种具有成本效益的方法来确定最佳的LID组合.
- 在预算和设计风暴限制下最大限度地降低排水率 (3R).
- 将这种方法应用于韩国的城市化分捕获区.
主要方法:
- 开发了一种具有成本效益的方法来确定最佳的LID组合.
- 将方法应用于31个城市化分捕获区.
- 分析了预算限制和不同设计风暴强度的影响 (10年,30年,50年风暴).
主要成果:
- 具有成本效益的LID组合实现了9-39%的总流量减少率和17-43%的峰值流量减少率.
- 基于保留的LID措施 (生物保留,雨园) 受益于更高的预算.
- 在较低的预算下,以透为基础的LID措施 (透路面,透沟) 被优先考虑.
- 风暴强度的增加降低了个别的LID性能,甚至在相同的预算下改变了最佳组合.
结论:
- 该研究为城市雨水管理规划提供了宝贵的见解.
- 受到限制的LID建设预算和设计风暴特征显著影响了成本效益较高的LID组合的选择.
- 考虑到预算和风暴强度的平衡方法对于最大限度地减少排水量至关重要.
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