gnssrtk技术在超高层建筑物动态变形监测中的应用研究-application of gnss rtk technology in dynamic deformation monitoring of super high-rise buildings.docx
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gnssrtk技术在超高层建筑物动态变形监测中的应用研究-application of gnss rtk technology in dynamic deformation monitoring of super high-rise buildings
usefulnesswill be more prominent.Fourthly,ontheuseofGNSS-RTKtechnology,wecarriedoutTianjinTVTower dynamicdeformationmonitoring in threewind conditions.Calculation and analysis of monitoring dataemergesvibrationfrequenciescorrespond todifferentwind loads, and thevibrationfrequenciesareconsistentwiththestructure’snaturalvibration frequency.ThisprovestheapplicabilityandaccuracyofGNSS-RTKtechnologyin super high-rise structure’s dynamic deformation monitoring.Finally,withtheanalysisoftheerrorsourcesinGNSS-RTK dynamic deformationmonitoringandthedataanalysisofdynamicdeformationmonitoringin TianjinTVTower test,we obtainedspecific methods of error reduction.KEY WORDS:GNSS-RTK technology;super high-rise structure; dynamic deformation monitoring;Kalmanfilter; error reduction目录第一章绪论.........................................................11.1 研究背景...................................................................................................11.2 研究与发展现状.......................................................................................21.3 课题的主要目的.......................................................................................3第二章GNSS-RTK系统及其定位原理....................................52.1 GNSS-RTK系统介绍................................................................................53.4 本章小结.................................................................................................22第四章超高层建筑物动态变形监测试验................................244.1 动态变形监测建筑物简介.....................................................................244.2 试验仪器及其布置方案.........................................................................254.3 试验数据的处理.....................................................................................374.4 本章小结.................................................................................................43第五章监测误差来源分析及其消减措施................................455.1 监测误差的来源分析.............................................................................455.2 监测误差的消减
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