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      典型丘陵城市内涝成因及治理对策研究

      Research on causes and countermeasures of waterlogging in typical hilly cities

      • 摘要: 为了解丘陵城市内涝特点与成因, 以江西省萍乡市经开区为研究对象, 基于InfoWorks ICM软件构建了“源头-管网-河湖”全要素耦合的城市内涝数学模型, 从流域视角出发, 系统分析内涝成因主要包括雨水管网设计标准偏低、管网缺陷、排水分区不合理、调蓄空间缺乏以及通道排水能力不足等, 并针对性提出以排水分区优化、湖库调蓄强化、通道排水能力提升为核心的系统治理方案, 再充分考虑区域经济发展实际情况与工程措施实施难度, 结合治理目标与治理需求的缓急程度, 合理规划近远期措施。该研究可为同类型丘陵地区的内涝治理提供思路。

         

        Abstract: In order to systematically analyze the characteristics and causes of waterlogging in hilly cities, taking Pingxiang Economic Development Zone in Jiangxi Province as the research object, an urban waterlogging mathematical model of source-pipe network-river lake total factor coupling based on Infoworks ICM software was constructed. From the perspective of river basin, the causes of waterlogging were systematically analyzed include low design standards for rainwater pipe networks, defects in the pipe network, unreasonable drainage zoning, lack of storage and regulation space, and insufficient drainage capacity of the channels. The system governance scheme with the optimization of drainage zoning, the strengthening of lake reservoir regulation and storage, and the improvement of channel drainage capacity as the core were put forward. In full consideration of the actual situation of regional economic development and the difficulty of implementing engineering measures, combined with the urgency of governance objectives and governance needs. Reasonable arrangement of short-term and long-term measures were proposed, from the recent relief of waterlogging in the area to the long-term reaching the standard of waterlogging control, can provide ideas for waterlogging control in the same type of hilly areas.

         

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