The Application Of GNSS In Deformation Monitoring

By building its own weight to baseload and other external force, subsidence, tilt, deflection, cracks, deformation and displacement will produce different degrees on. It requires building periodic deformation monitoring, deformation monitoring is to provide a sense of buildings during the construction phase, the use and operation phase of the security, to provide reliable information for the design of future buildings, construction, management and scientific research.With the development of GNSS technology become more perfect, broader applications, GNSS technology has the advantages of all-weather, high precision, highly automated, high speed, and many other stations do not need to pass, as the terms of such technology in the GNSS deformation monitoring more widely. The main contents of this paper are as follows:(1) Through the collection of literature and access to information to understand the domestic and foreign research on this aspect, put forward their own research content and research significance;(2) This paper discusses the theory and application of GNSS positioning, analysis GNSS technology advantages and disadvantages in the deformation monitoring.(3) In addition, focusing on GNSS deformation monitoring network design, data processing methods and error analysis.(4) In practical application through the construction of the Shenzhen Ping An finance building deformation monitoring, building height, length, the building of the swing, according to the various periods of time deformation and that the building deformation and temperature, wind speed is linear positive correlation.(5) By monitoring the operation of the Qizi bridges in Yinchuan, the deformation of the data of each phase of the bridge is obtained, and the deformation trend of the bridge will be drawn. Thus, a clear understanding of the health status of the bridge in the recent operational phase.