城市既有雨水箱涵改造扩容技术研究
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    摘要:

    近年,在武汉地区城镇化飞速发展,全球气候变化的背景下,城市内涝现象时有发生。一定程度上影响了群众生产生活,调查发现,城市内涝现象与排水系统的落后存在直接关系。以汉南区为例,某市政道路下已实施的四通节点预留箱涵尺寸仅为 2 孔 5m×4m,已成为上游新建多孔大截面雨水箱涵的瓶颈,亟需进行扩容改造。文章以该路段为例,对箱涵过水断面扩容工艺进行分析,以满足断面过水要求。

    Abstract:

    In recent years, with the rapid development of urbanization in Wuhan and the background of global climate change, urban water logging has occurred from time to time. To some extent, it has affected people's production and life. The survey found that there is a direct relationship between urban water logging and the backwardness of drainage system. Taking Hannan District as an example, the size of the implemented four-way node reserved box culvert under a municipal road is only 2 holes and 5m×4m, which has become the bottleneck of the new porous large section rainwater box culvert in the upstream, so it is urgent to expand and transform. Taking this section as an example, this paper analyzes the capacity expansion of box culvert overflow section to meet the requirements of section overflow.

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  • 收稿日期:2022-04-26
  • 最后修改日期:2022-06-07
  • 录用日期:2022-05-25
  • 在线发布日期: 2022-07-21
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