徐州工程学院学报（自然科学版）2025，Vol.40Issue(4)：17-23,7.
基于GNSS-RTK技术的沉井及周边建筑物高精度水平位移监测方法研究
High-Precision Horizontal Displacement Monitoring of Caissons and Surrounding Buildings Based on GNSS-RTK Technology
ZHENG Xingling 1YANG Dong 1SU Hailong 1SUN Weidong 2ZHANG Donghui 2HAN Ruiming2
作者信息
- 1. China Railway 19th Bureau Group Fifth Engineering Co.,Ltd.,Dalian 116600,China
- 2. Beijing Aerospace Great Wall Satellite Navigation Technology Co.,Ltd.,Beijing 100054,China
- 折叠
摘要
Abstract
Monitoring the stability and safety of caissons and surrounding buildings is significant in modern urban construction and infrastructure maintenance.However,global navigation satellite system real-time dynamic kinematic(GNSS-RTK)positioning technology can generate multiplexing effects and measurement errors when used for horizontal displacement monitoring.This paper proposes an improved,high-precision Kalman filtering baseline solving system.First,the input data are preprocessed for standardization and normalization,and adaptive noise reduction is achieved using the improved CEEMDAN method.An optimized Kalman filter employing the Sage-Husa algorithm is then used to process the signal through prediction and correction.Iterative conditions are then added to achieve systematic and observational noise reduction.Finally,a horizontal displacement monitoring device is built using multi-frequency and multi-mode receivers for a single fixed base station and multiple mobile base stations to obtain the horizontal displacement of the caissons and surrounding buildings.The experimental results indicate that the system achieves a high-precision of up to±2 mm in horizontal displacement monitoring,demonstrating excellent systematic stability and monitoring accuracy.关键词
GNSS-RTK技术/精度评估/水平位移监测Key words
GNSS-RTK technology/accuracy assessment/horizontal displacement monitoring分类
建筑与水利引用本文复制引用
ZHENG Xingling,YANG Dong,SU Hailong,SUN Weidong,ZHANG Donghui,HAN Ruiming..基于GNSS-RTK技术的沉井及周边建筑物高精度水平位移监测方法研究[J].徐州工程学院学报（自然科学版）,2025,40(4):17-23,7.
