Publisher : The Korean Institute of Electrical Engineers
DOI : 10.5370/JEET.2011.6.3.364
Title & Authors
Magnetic Interference on the Infrastructure for a Super-speed Tube Train Lee, Hyung-Woo; Jang, Seung-Yup; Kang, Bu-Byoung; Cho, Su-Yeon; Lee, Ju;
The super-speed tube train was introduced to increase the speed of ground transportation. It levitates magnetically and runs in a partial vacuum tube, which significantly reduces air resistance. However, strong magnetic force sufficient to propel the massive train can affect the infrastructure. The induced eddy current produces joule heat, and raises the inside temperature of the girder, which might lead to electrochemical corrosion on the girder, thereby weakening its durability. In this paper, the authors analyzed the magnetic flux and induced eddy current in the reinforced concrete girder by using three-dimensional FEM, particularly by varying the number of reinforcing steels of the upper flange of the girder to the condition of almost the same flexural strength and reinforcing steel amount.
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