Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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A Study on Crashworthy Characteristics of EMU Carbody for Overhead Line Structure Types

전차선 지지 구조물 형태에 따른 전동차 차체의 충돌안전도 특성 연구

  • 김진석 (서울산업대학교 철도전문대학원) ;
  • 이현철 (서울산업대학교 철도전문대학원) ;
  • 조현직 (서울산업대학교 철도전문대학원) ;
  • 구정서 (서울산업대학교 철도전문대학원)
  • Published : 2007.08.31
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Abstract

In this paper, crashworthiness of the EMU carbody of Incheon Metro is numerically evaluated against two types of overhead line structures (headspan and portal-type). The material of the EMU carbody is stainless steel (SUS301L), and that of the overhead line structures is the structural steel (SS400). The EMU carbody is analyzed under collision conditions, such as upright side-on impact, side-on roof impact and angled roof impact scenarios, to be collided against the headspan type or the portal type at the speed of 64.4km/h, respectively. It is concluded from the numerical results that the overhead line structures will not do so much harm to the EMU carbody of Incheon Metro for various collisions caused by derailment. Furthermore, the overhead line structure of the portal type is superior to that of the headspan type in the crashworthy point of view.

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