中文摘要：

为了促进全球导航卫星系统（GNSS）桥梁健康监测方法的发展,详细综述了GNSS监测方法在各国桥梁健康监测领域的学术研究现状、热点方向、发展机遇及挑战。首先分别从初期监测试验、桥梁荷载试验和桥梁健康监测系统等方面对GNSS监测技术的试验研究进行了系统梳理;接着分别从多传感器监测技术、伪卫星增强技术、一机多天线技术、单频接收机监测技术等方面对GNSS信号采集方法进行了分析;然后从实时动态差分（RTK）技术、网络RTK（NRTK）技术、精密单点定位技术、信号降噪方法等方面对GNSS信号处理方法进行综合阐述;最后指出GNSS监测技术发展机遇以及面临的关键问题。综合分析表明：GNSS监测技术能实现高精度、全自动、全天候、三维的桥梁动态变形监测,有望成为一种理想的桥梁健康监测方法。

英文摘要：

To improve the development of global navigation satellite system（GNSS）technology for bridge health monitoring,academic research status,hot research topics,and development opportunities and challenges about GNSS technology-based bridge health monitoring methods all around the world were summarized in detail.Firstly,experimental researches for GNSS-based bridge health monitoring were introduced systematically,covering preliminary monitoring tests,load tests and health monitoring system for bridges.Secondly,GNSS data acquisition techniques were analyzed,such as multi-sensor technique,pseudolite augment technique,multi-antenna technique and single-frequency receiver technique.Thirdly,GNSS data processing methods were introduced at great length,including real-time kinematic（RTK）,network-based RTK,precise point positioning and data de-noise technique.Finally,the paper illustrated the developmentopportunities and key issues for GNSS monitoring technology.The comprehensive analysis shows that GNSS-based monitoring technology can achieve 3D dynamic deformation monitoring for bridge with features of high accuracy,full automation,full time monitoring,which is hopeful to be an ideal bridge health monitoring method.