[关键词]
[摘要]
近年来围填海区域的开发利用率明显增高,为避免该地区遭受洪涝灾害,排涝泵站规模规划设计研究至关重要。现根据围填海区域河网信息,首先通过概化该区域排涝系统,建立排涝数值计算模型;其次利用河网涌容进行调蓄,分析排涝系统的排涝能力、河道初始水位和排涝泵站位置对系统行洪排涝的影响,得到排水过程与排涝泵站规模之间的关系;最后将影响排涝系统排涝能力的相关参数无量纲化,以衡量环形河网的排涝能力。研究结果提供的分析方法与思路可为环形河网地区排涝泵站排涝能力规划设计提供参考。
[Key word]
[Abstract]
In recent years, the utilization rate of reclamation area has increased significantly. In order to prevent the flood disaster in this area, the planning and design of scale of drainage pump station are crucial. First, according to the information of river network in the reclamation area, a numerical simulation model was established through the generalization of drainage system in the area. Secondly, the storage capacity was used to analyze the impacts of drainage capability of the drainage system, initial water level, and location of drainage pumping station on flood drainage, and therefore the relationship between the scale of drainage pump station and drainage process was obtained. Finally, the parameters affecting the drainage capability of drainage system were non-dimensionalized to measure the drainage capacity of ring-shaped river network. The results can provide reference for the planning and design of drainage pump station in the ring-shaped river network area.
[中图分类号]
[基金项目]
国家科技重大专项课题 (2012ZX07205005);天津市应用基础与前沿技术研究计划自然科学基金重点项目(13JCZDJC36200)