doi:10.3963/j.issn.1674-6066.2023.01.032GNSS在地铁沿线保护区安全监测中的应用李凯1,韩鹏1,吴屾1,罗杰1,李绿洲1,甘沁霖2(1.武汉地铁运营有限公司,武汉430000;2.武汉理工大学土木工程与建筑学院,武汉430070)摘要:在地铁施工和运营过程中,地铁保护区的安全问题一直备受关注,如何智能、高效地实现地铁保护区自动化安全监测成为亟需解决的问题。GNSS(GlobalNavigationSatelliteSystem,简称GNSS)全球导航卫星系统长期以来以其全天候、高精度、大范围、易于实现自动化等优点,成为变形监测领域一项重要的技术手段,获得了迅速地发展和广泛的应用,然而GNSS在地铁保护区监测的应用案例尚不多见。论文系统阐述了地铁保护区GNSS监测的模式选择、系统设计、监测点布设与施工、数据处理等关键技术流程,测试结果表明地铁保护区GNSS监测精度平面和高程均可达到毫米量级。关键词:地铁保护区;监测点布设;GNSS解算;DC算法ApplicationofGNSSinSafetyMonitoringofProtectionAreasAlongtheSubwayLIKai1,HANPeng1,WUShen1,LUOJie1,LILv-zhou1,GANQin-lin2(1.WuhanMetroOperationCo,Ltd,Wuhan430000,China;2.SchoolofArchitectureandCivilEngineering,WuhanUniversityofTechnology,Wuhan430070,China)Abstract:Intheprocessofsubwayconstructionandoperation,thesafetyofsubwayreservehasbeenpaidmuchat-tention.Howtointelligentlyandefficientlyrealizetheautomaticsafetymonitoringofsubwayreservehasbecomeanur-gentproblemtobesolved.Foralongtime,GNSS(GlobalNavigationSatelliteSystem)hasbecomeanimportanttechni-calmeansinthefieldofdeformationmonitoringwithitsadvantagesofall-weather,highprecision,largerangeandeasyautomation.Ithasobtainedrapiddevelopmentandwideapplication.However,therearefewapplicationcasesofGNSSinMetroreservemonitoring.ThispapersystematicallyexpoundsthekeytechnicalprocessesofGNSSmonitoringinMetroreserve,suchasmodeselection,systemdesign,monitoringpointlayoutandconstruction,dataprocessingandsoon.ThetestresultsshowthattheplaneandelevationofGNSSmonitoringaccuracyinMetroreservecanreachmillimeterlevel.Keywords:metroreserve;layoutofmonitoringpoints;GNSSsolution;DCalgorithm收稿日期:2022-09-05.基金项目:武汉地铁集团有限公司科技经费资助项目(GS-JZ-1179).作者简介:李凯(1971-),本科.E-mail:lik@...
