上海市高程控制网复测关键技术研究  

Research on Key Technology of Shanghai Elevation Control Network Repetition Survey

作　　者：陈功亮 赵鹏飞[1,2] 毕元 CHEN Gongliang;ZHAO Pengfei;BI Yuan(Shanghai Surveying and Mapping Institute,Shanghai 200063,China;Key Laboratory of Spatial-temporal Big Data Analysis and Application of Natural Resources in Megacities,Ministry of Natural Resources,Shanghai 200063,China)

机构地区：[1]上海市测绘院,上海200063 [2]自然资源部超大城市自然资源时空大数据分析应用重点实验室,上海200063

出　　处：《城市勘测》2024年第1期128-132,共5页Urban Geotechnical Investigation & Surveying

基　　金：上海市2021年度“科技创新行动计划”社会发展科技攻关项目资助(21DZ1204100)。

摘　　要：结合上海市高程控制网复测项目,就其关键技术及质量控制进行了实践和探讨。重点阐述了上海市高程控制网复测准备阶段的水准点调查、水准路线设计,外业施测阶段的几何水准测量、跨隧道水准测量、跨河水准测量、SHCORS高程属性测量,内业数据处理阶段的改正数计算、平差计算等关键技术。项目实现了全周期质量控制,通过各项精度指标证明其取得了良好的质量效果。最后就大型水准项目开展提出一些建议。Combined with repetition of Shanghai elevation control network,the key technology and quality control were practiced and discussed.This paper focuses on the key technologies such as investigation of leveling points and the design of leveling route in the preparation stage,the geometric leveling,cross-tunnel leveling,cross-river leveling,SHCORS height surveying in the outside surveying stage,the correction calculation and adjustment calculation in the data processing stage.The project cycle quality control was achieved.And the project achieved good quality results.At last,some suggestions on the development of large-scale projects were put forward.

关 键 词：高程控制网 复测 关键技术 精度指标 

分 类 号：P224[天文地球—大地测量学与测量工程]