水力建模与GIS量化表达的地下排水管线承载力评价  

Assessment of underground drainage pipeline bearing capacity through hydraulic modeling and GIS quantitative representation

作　　者：解智强 王昊 赵雷 傅星峰 姜沣珊 杨寿泉 XIE Zhiqiang;WANG Hao;ZHAO Lei;FU Xingfeng;JIANG Fengshan;YANG Shouquan(School of Earth Sciences,Yunnan University,Kunming 650500,China;Kunming Surveying and Mapping Management Center,Yunnan University,Kunming 650001,China;Institute of International Rivers and Eco-security,Yunnan University,Kunming 650500,China)

机构地区：[1]云南大学地球科学学院,云南昆明650500 [2]昆明市测绘管理中心,云南昆明650001 [3]云南大学国际河流与生态安全研究院,云南昆明650500

出　　处：《测绘通报》2023年第7期113-118,124,共7页Bulletin of Surveying and Mapping

基　　金：长江水利委员会长江科学院2022年开放研究基金(CKWV20221029/KY);2021自然资源部数字制图与国土信息重点试验室开放研究基金(ZRZYBWD202108)。

摘　　要：地下排水管线是城市重要的基础设施,地下排水管线承载能力研究与评价是城市能够平稳安全度过暴雨期、避免城市内涝的关键。本文基于SWMM模型,以昆明市主城区一个代表性关键节点为研究对象,通过城市地下排水管线汇流模型的设计与校准、城市降雨模型与地面径流模型的设计及构建,结合GIS量化表达模拟城市排水管线各要素承载力的时空分布状态及其承载能力。通过地表径流模拟分析、管线运行模拟分析、不同时刻节点水位动态模拟分析及排放口径流特征模拟分析,对研究区域内地下排水管线进行承载力判别,为在城市更新改造过程中提升城市地下排水管线承载能力提供参考。The underground drainage pipeline is an important urban infrastructure,and the research and evaluation of the bearing capacity of the underground drainage pipeline is the key for the city to survive the rainstorm period smoothly and safely to avoid urban waterlogging.Based on the SWMM model,this paper takes a representative key node in the main urban area of Kunming as the research object.Through the design and calibration of the urban underground drainage pipeline confluence model,the design and model construction of the urban rainfall model and the surface runoff model,combined with GIS to quantitatively express the simulated city The spatiotemporal distribution of the bearing capacity of each element of the drainage pipeline and its bearing capacity.In this paper,the bearing capacity of underground drainage pipelines in the study area is judged through simulation analysis of surface runoff,simulation analysis of pipeline operation,dynamic simulation analysis of water level at nodes at different times,and simulation analysis of discharge caliber flow characteristics.Carrying capacity provides a sufficient reference.

关 键 词：SWMM模型 地下排水管线 承载能力评价 GIS 暴雨事件 

分 类 号：P208[天文地球—地图制图学与地理信息工程]