Computers and Concrete

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A precast slab track partially reinforced with GFRP rebars

  • Lee, Seung-Jung (Korea Railroad Research Institute) ;
  • Moon, Do-Young (Department of Civil Engineering, Kyungsung University) ;
  • Ahn, Chi-Hyung (Korea Railroad Research Institute) ;
  • Lee, Jong-Woo (Department of Railway Electrical & Signaling Engineering, Seoul National University of Science and Technology) ;
  • Zi, Goangseup (School of Civil, Environmental & Architectural Engineering, Korea University)
  • Received : 2017.03.16
  • Accepted : 2017.11.13
  • Published : 2018.03.25
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Abstract

This study developed and investigated a precast slab track system partially reinforced with glass fiber reinforced polymer (GFRP) rebars in the transverse direction, which mitigated the loss of track circuit current by reducing magnetic coupling between the rails and steel reinforcements. An electric analysis was conducted and the results of the analysis verified that the GFRP rebars mitigate the reduced current strength produced by electro-magnetic induction. In the study, a three-dimensional finite element method and flexural experiments were used to study the mechanical behavior of the proposed slab track.

Keywords

Acknowledgement

Supported by : Ministry of Land, Infrastructure and Transport of Korean government, National Research Foundation of Korea (NRF)

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