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Determination of the Frozen Penetration Depth of a Freezing Soil Medium including a Pipeline in a Closed System  

Song Weon-Keun (한국시설안전기술공단 기술개발지원실)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.17, no.4, 2004 , pp. 451-458 More about this Journal
Abstract
The study was focused on the development of computational scheme in three dimensional configurations by applying effective heat capacity model to the numerical procedure in order to predict the temperature profiles of a buried pipeline and the frozen penetration depth(FPD) of a freezing soil medium. To realize this, the investigator conducted the unsteady state heat transfer analysis, using the commercial code ABAQUS, for the freezing granite soil medium including a pipeline in a closed system. The proposed model took into consideration the phase change effect of in situ pore water in the frozen fringe. The comparison of results obtained by the proposed model and the actual performances was valuable in establishing a level of confidence in the application of introduced theory.
Keywords
freezing granite soil medium; closed system; effective heat capacity model; frozen penetration depth(FPD); phase change effect;
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