GNSS水准测量法的长跨距跨河高程传递方法研究  

Long Span River Elevation Transfer Method of GNSS Leveling Method

作　　者：王博 陈大勇 潘国盛 王广海 韩艳伟 WANG Bo;CHEN Dayong;PAN Guosheng;WANG Guanghai;HAN Yanwei(The Second Geodetic Survey Team of MNR,Harbin 150025,China)

机构地区：[1]自然资源部第二大地测量队,黑龙江哈尔滨150025

出　　处：《测绘与空间地理信息》2023年第S01期189-191,共3页Geomatics & Spatial Information Technology

摘　　要：针对常规跨河测量方法受场地及气象条件影响较大、效率低、工期长等实际工程问题,本文提出将全球卫星导航定位系统(简称“GNSS”)水准测量技术应用于长跨度的跨河水准测量,并根据实验场地的特点采用直线拟合模型实现对长跨距的跨河高程传递进行分析研究。结果表明:GNSS跨河水准测量应用于长跨距的高程传递具有可行性,该成果满足国家二等水准观测精度要求,对于类似跨河测量工程具有参考价值与借鉴意义。In view of the practical engineering problems such as the great influence of site and meteorological conditions,low efficiency and long construction period of the conventional cross-river measurement method,this paper proposes the application of GNSS leveling technology to long span cross-river leveling.According to the characteristics of the experimental site,the linear fitting model is used to analyze and study the long span elevation transfer across the river.The results show that it is feasible to apply GNSS cross-river lev-eling to long span elevation transfer.It meets the requirements of second-class level observation accuracy and has reference value and significance for similar cross-river measurement projects.

关 键 词：GNSS水准测量 桥梁工程 高程传递 高程异常变化率 直线拟合模型 

分 类 号：P228.4[天文地球—大地测量学与测量工程]