基于InfoWorks_ICM模型的山地城市老旧建筑小区海绵化改造方案设计及评估
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Design and evaluation of sponge city reconstruction scheme for old building district in mountainous city based on InfoWorks_ICM model
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    摘要:

    为解决山地城市老旧建筑小区内涝积水问题,以重庆市万州区某老旧建筑小区海绵化改造为例,基于InfoWorks_ICM模型,提出一套海绵化改造方案和效能评估的方法。采用万州区典型年实测5 min降水数据序列对改造前后的年径流总量控制率和年径流SS污染负荷削减率进行模拟分析,采用芝加哥雨型2h设计暴雨过程线分别对改造前后1年一遇、3年一遇、5年一遇、10年一遇、30年一遇、50年一遇暴雨过程进行内涝积水风险模拟分析,结果表明,改造方案满足规划指标要求,能够显著改善小区内涝积水问题。

    Abstract:

    To solve the problem of waterlogging and ponding in the old building district of Mountainous City, taking the sponge city reconstruction of an old building district in Wanzhou District of Chongqing City as an example, a sponge city reconstruction scheme and efficiency evaluation method based on Infoworks_ICM model was proposed. The 5-minute rainfall data series measured in typical years in Wanzhou District of Chongqing City were used to simulate and analyze the total annual runoff control rate and the reduction rate of SS pollution load before and after the reconstruction. The risk of waterlogging and ponding during the rainstorm process of 1a, 3a, 5a, 10a, 30a and 50a before and after the modification is simulated and analyzed by using 2-hour long rainstorm process line of the K. C method. The results showed that the reconstruction scheme met the requirements of planning indexes and can significantly improve the situation of waterlogging and ponding in the old building district.

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袁绍春,王怀鋆,吕波,等.基于InfoWorks_ICM模型的山地城市老旧建筑小区海绵化改造方案设计及评估[J].水资源保护,2020,36(5):43-49.(YUAN Shaochun, WANG Huaijun, LYU Bo, et al. Design and evaluation of sponge city reconstruction scheme for old building district in mountainous city based on InfoWorks_ICM model[J]. Water Resources Protection,2020,36(5):43-49.(in Chinese))

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  • 收稿日期:2019-11-18
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  • 在线发布日期: 2020-09-29
  • 出版日期: 2020-09-20