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A Derivation of the Standard Design Guideline for Crashworthiness of High Speed Train with Power Cars  

Kim, Geo-Young (Department of Rolling Stock System Engineering, Seoul National University of Technology)
Cho, Hyun-Jik (Department of Rolling Stock System Engineering, Seoul National University of Technology)
Koo, Jeong-Seo (Department of Rolling Stock System Engineering, Seoul National University of Technology)
Kwon, Tae-Soo (Department of Rollingstock System Safety, Korea Railroad Research Institute)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.16, no.6, 2008 , pp. 157-167 More about this Journal
Abstract
Through this study, the standard design guidelines for high speed train with power cars have been derived to meet the crashworthiness requirements of the Korean rollingstock safety regulation. The crashworthiness regulation requires some performance requirements for two heavy collision accident scenarios; a train-to-train collision at the relative speed of 36 kph, and a collision against a standard deformable obstacle of 15 ton at 110 kph. A standard high speed train composition was defined as 2PC-2ET-6T with 17ton axle load, similar to KTX-2 for the Honam express line. Using theoretical and numerical analyses, some crashworthy design guidelines were derived in terms of mean crush forces and energy absorptions for major crushable components. The derived design guidelines were evaluated and improved using one dimensional spring-mass dynamic simulation. It is shown from the simulation results that the suggested design guidelines can easily satisfy the domestic crashworthiness requirements.
Keywords
High speed train; Crashworthiness; Regulation; Rollingstock; Design guideline;
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