Research and application of building deformation monitoring based on BDS-3

doi:10.13474/j.cnki.11-2246.2025.1218

Abstract

Abstract: In order to study the high-precision,continuous,and real-time monitoring of building deformation by BDS-3,this paper conducts research based on the BDS-3 system and the CORS network.It utilizes the NTRIP protocol to transmit monitoring data in real time,employs the precise point positioning (PPP)technology to calculate coordinates in real time,and uses GAMIT/GLOBK for static differential calculation,thus realizing millimeter-level deformation monitoring.On this basis,a real-time deformation monitoring system has been developed.Experiments show that the mean value of the normalized root mean square (NRMS)for baseline calculation over 60 days is 0.1917,and the repeatability precision is better than 2mm.The weighted root mean square (WRMS)of the coordinate time series is approximately 1mm,and the static calculation reaches the millimeter level.The horizontal precision of the dynamic calculation is 5mm and the vertical precision is 13mm.It has been verified that BDS-3 system can provide solutions for the monitoring of urban buildings and has engineering application value.

Key words: BDS-3, NTRIP, PPP, GAMIT/GLOBK, deformation monitoring

CLC Number:

P228.4

ZHANG Xijun, FU Shaohua, WU Haiyang, XU Hanchao, ZHAO Shuyang, ZHAO Chuanhao. Research and application of building deformation monitoring based on BDS-3[J]. Bulletin of Surveying and Mapping, 2025, 0(12): 103-108.

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