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A Study on Fire Resistance Character of a Tunnel and an Underground Structure  

Yoo, Sang-Gun ((주)삼림엔지니어링)
Kim, Jung-Joo (서울산업대학교 토목공학과)
Park, Min-Yong ((주)삼림엔지니어링)
Kim, Eun-Kyum (서울산업대학교 토목공학과)
Lee, Jun-Suk (한국철도기술연구원)
Publication Information
Journal of the Korean Society for Railway / v.13, no.2, 2010 , pp. 194-200 More about this Journal
Abstract
Recently, a longitudinal tunnel construction has increased because of subway construction extension, geomorphological effect and the development of construction Technologies etc. When the fire occurs in a tunnel and an underground structure, the many damage of human life and the economic losses are caused. In Korea, fire resistance character study of a tunnel and an underground structure is proceeding. However, when a concrete is exposed to high temperature, study of load carrying capacity reduction and stability evaluation for spalling of a concrete is not enough. Therefore in this study, fire resistance character of a concrete evaluated according to time heating temperature curve(RABT and RWS) and a result compared on virtual fire accident in order to apply fire scenario. Also this study performed thermo-mechanical coupled analysis of a FEM-based numerical technique and estimated fire-induced damage of a tunnel and an underground structure.
Keywords
Tunnel; Underground structure; Thermo-mechanical coupled analysis; Fire scenario; fire-induced damage;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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