Health monitoring and safety evaluation of bridge dynamic load with a ground-based real aperture radar

Long, Sichun; Liu, Wenting; Ma, Jan; Tong, Aixia; Wu, Wenhao; Zhu, Chuanguang

doi:10.1080/00396265.2021.1920792

Cited by 4 publications

(1 citation statement)

References 23 publications

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“…After reaching a certain level of deterioration, damage to the bridge structure can result and potentially lead to accidents including the collapse of the bridge [4,5]. Therefore, the real-time monitoring of bridge health status is a necessary activity [6].…”

Section: Introductionmentioning

confidence: 99%

Contribution Factor Analysis of the Wuhan Yangtze River Bridge Deformation Using Sentinel-1A SAR Imagery and In Situ Data

Wang,

Li,

Zhou

et al. 2023

Applied Sciences

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Bridges play a crucial role in the development of the national economy and transportation industry, and their deformation monitoring is vital for ensuring their health. Therefore, it is necessary to conduct long-term monitoring of bridges’ deformation. This study monitored the deformation of the Wuhan Yangtze River Bridge using the SBAS-InSAR technology and Sentinel-1A data. The deformation results were analyzed in combination with bridge structure, human activity, temperature and stratigraphy. The results were as follows: (1) The vertical deformation rate of the bridge was between −15.6 and 10.7 mm/year, and part of the deformation belonged to rebound deformation; (2) The middle span deformation is the largest and the uplift and lowering alternate; (3) The reduction in human activity is the reason for the lower deformation amplitude from January to October 2020 compared to after October 2020; (4) A positive correlation between deformation and temperature was observed only along a portion of the bridge; (5) There is no direct correlation between observed lowering and stratigraphy under the bridge piers, as the sinking is presumably absorbed by the bridge structure.

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Section: Introductionmentioning

confidence: 99%