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http://dx.doi.org/10.14481/jkges.2017.18.1.5

Analysis of Temperature Change of Tunnel Lining with Heating Element  

Jin, Hyunwoo (Department of Civil Engineering, Sang Ji University)
Kim, Teasik (Department of Civil Engineering, Sang Ji University)
Hwang, Youngcheol (Department of Civil Engineering, Sang Ji University)
Publication Information
Journal of the Korean GEO-environmental Society / v.18, no.1, 2017 , pp. 5-12 More about this Journal
Abstract
The damage of the tunnel lining on the cold regions can be represented by cracks and leaks caused by freezing of ground water. However, domestically, the relevant construction guidelines are not provided so far. Thus, in this research, the mechanical behavior and thermal conductivity of designated tunnel area are measured using instrumentation system installed in the lining concrete inside tunnels in order to analysis their behavior with regard to temperature variations. Previous research mainly focused on the effect of temperature on the tunnel lining based on the air and initial ground temperature at urban regions. Thus, this study analyzes effects of air temperature and initial ground temperature of designated tunnel area at the cold regions. The temperature of the groundwater at the backfill of the tunnel lining are analyzed to evaluate the heating element. Numerical analyses are performed to evaluate the heating element with regard to the various initial ground temperatures.
Keywords
Cold region; Tunnel lining temperature; Winter season; Insulator; Heating element;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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