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http://dx.doi.org/10.5762/KAIS.2020.21.3.246

Development of Inspection Robot for Removing Snow on Stays of Cable-Stayed Bridge  

Kim, Jaehwan (Sustainable Infrastructure Research Center, Korea Institute of Civil Engineering and Building Technology)
Seo, Dong-Woo (Sustainable Infrastructure Research Center, Korea Institute of Civil Engineering and Building Technology)
Jung, Kyu-San (Sustainable Infrastructure Research Center, Korea Institute of Civil Engineering and Building Technology)
Park, Ki-Tae (Sustainable Infrastructure Research Center, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.3, 2020 , pp. 246-252 More about this Journal
Abstract
Safety accidents have been reported due to falling accumulated snow from cables of cable-supported bridges. In addition to the direct damage caused by falling snow, secondary damage, such as traffic accidents, can occur. Various methods have been proposed to prevent these accidents, but there are still problems in safety and practicality. In this study, a cable robot type was selected as one of the active methods for removing accumulated snow on cables. An attempt was made to increase the climbing ability of the robot to improve the efficiency of snow removal. In addition, the available range of cable diameter for the robot can be adjusted flexibly to be applied to cables used in the field. A high-resolution camera was also installed to check the surface condition of the cable in real time to increase the utility, and be used as a cable inspection robot. A three-axis accelerometer and a tension conversion algorithm were added to measure the tension force of cables. To verify the performance, indoor and field experiments were conducted, and future improvements for the inspection robot were proposed.
Keywords
Snow; Snow Removing; Cable; Cable-Stayed Bridge; Field Test; Safety;
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