Development of a 3D Full-Field Monitoring System for Large-Scale Static Deformation Based on close Range Photogrammetry

Abstract:

A non-contact deformation measurement method is proposed for monitoring the 3D full-field static deformation of large-scale structures under loads, which could not be achieved by traditional displacement sensors and resistance strain gauges. This method is based on the close range photogrammetry technology. By tracking and comparing the 3D coordinates of the targets between different epoch, the load–deformation diagram in 3D form for the whole large-scale structure is obtained, which is valuable for further mechanical behavior analysis. Real-scale power transmission tower experiment shows that the proposed method can fulfill the efficiency and accuracy requirement in large-scale full-field deformation monitoring task

• Periodical: Advanced Materials Research (Volumes 468-471)
• Pages: 1074-1077
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.468-471.1074
• Online since: February 2012
• Authors: Jian Wei Liu, Zhi Qiang Jiang, Yuan Peng Liu, Hao Hu
• Keywords: 3D Full-Field Monitoring System, Close Range Photogrammetry, Coordinates Global Registration, Large-Scale Structures, Static Deformation

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