吴萧楠,何秀凤,何丽娜,唐旭,文援兰

• 1:河海大学
• 2:南京信息工程大学

摘要(Abstract)：

精密单点定位(PPP)技术不断的发展及推广,并凭借其独特的优势广泛应用于桥梁变形监测。该文使用精密单点定位技术对英国塞文大桥的悬索及桥塔监测点进行处理,通过对长时间和短时间的监测数据进行解算,分析各监测点的形变时间序列。结果显示,桥梁同一监测点高程方向的形变幅度比横向、径向显著;不同监测点同一方向的变形存在很大程度的一致性,桥梁中点B的变形幅度最为显著。将基于PPP技术与基于双差技术的处理结果进行对比验证,验证了PPP技术应用于桥梁变形监测的可行性,但是和传统的双差技术相比,PPP技术的精度和稳定性还需进一步探讨。

关键词(KeyWords)： 全球卫星导航系统;精密单点定位;桥梁变形监测;监测点分布

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(41830110);; 中央高校基本科研业务费项目(2018B07414)

作者(Author): 吴萧楠,何秀凤,何丽娜,唐旭,文援兰

DOI: 10.16251/j.cnki.1009-2307.2020.11.007

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