Abstract
With the acceleration of urbanization, there are increasingly more high-rise buildings in cities. In turn, high-rise building collapse accidents occur frequently. The causes of the danger, in addition to the extremely severe stress, are predominantly due to the long-term role of unstable factors, resulting in an unrecoverable internal structure. Therefore, it is advisable to monitor the dynamic deformation of buildings to prevent accidents. However, there is no particularly mature application system on the market to enable this monitoring, so our research group has carried out a long-term research in this field. This paper introduces the design of a set of practical information systems by using information technology and the principle of close-range photogrammetry. The system used the photographing scale transformation-time baseline parallax (PST-TBP) method to analyse image data collected with a digital camera, implement close-range photogrammetry, and input the image data into a computer. A building deformation diagram is obtained using our own software. The associated deformation curve can clearly reproduce the building deformation trend to monitor the building health. We conducted many laboratory simulation experiments to verify the information system, and the verification results prove that this process is rigorous. To apply this information system to a real-life scenario as soon as possible, we further studied its application to high-rise buildings, improved the system by using data and experience obtained by monitoring the tallest local building, and achieved good results. Finally, combined with the development of current intelligent technology, directions for system improvement are explored.
Highlights
With the acceleration of urbanization, there are increasingly more high-rise buildings in cities
There is no mature application system on the market to enable this monitoring, so our research group has carried out a long-term research in this field. is paper introduces the design of a set of practical information systems by using information technology and the principle of close-range photogrammetry. e system used the photographing scale transformation-time baseline parallax (PST-TBP) method to analyse image data collected with a digital camera, implement close-range photogrammetry, and input the image data into a computer
To apply this information system to a real-life scenario as soon as possible, we further studied its application to high-rise buildings, improved the system by using data and experience obtained by monitoring the tallest local building, and achieved good results
Summary
Received 31 October 2019; Revised 17 April 2020; Accepted 25 June 2020; Published 30 July 2020. We conducted many laboratory simulation experiments to verify the information system, and the verification results prove that this process is rigorous To apply this information system to a real-life scenario as soon as possible, we further studied its application to high-rise buildings, improved the system by using data and experience obtained by monitoring the tallest local building, and achieved good results. Is paper briefly introduces the principle and workflow of one of the information systems and describes a typical simulation experiment for scientific verification It focuses on how we can monitor the first tall building in Jinan, China and obtain first-hand data and experience of field monitoring and explains how to further improve the function of the information system in the process of overcoming various problems in real time and incorporate recent advancements in intelligent technology at the present stage. After modifying the distortion of test camera, we used the direct linear transformation (DLT) method [23] to assess
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