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http://dx.doi.org/10.9720/kseg.2012.3.275

Thermal Conductivity Measurement of Saturated Clayey Mixtures using Oedometer Consolidation and Constant Rate of Strain Consolidation Tests  

Kim, HakSeung (School of Civil and Environmental Engineering, Kookmin University)
Kwon, HyungSeok (School of Civil and Environmental Engineering, Kookmin University)
Lee, Jangguen (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology)
Cho, Nam Jun (School of Civil and Environmental Engineering, Kookmin University)
Kim, Hyun-Ki (School of Civil and Environmental Engineering, Kookmin University)
Publication Information
The Journal of Engineering Geology / v.22, no.3, 2012 , pp. 275-281 More about this Journal
Abstract
Thermal distribution in soils must be considered in engineering designs and constructions, including estimates of frost heave and thaw settlement, infrastructure in cold regions, and geothermal systems. Because thermal conductivity is a key parameter for evaluation of thermal distribution in soils, it must be accurately estimated. The thermal conductivity of fine-grained soils has been widely studied in recent years; however, few studies have reported a reliable method for experimental measurement. The present study presents the results of an experimental investigation of the thermal conductivity of a saturated kaolinite-silica mixture with respect to the variation of dry density. Thermal conductivities were measured in Constant Rate of Strain (CRS) consolidation tests, and the experimental data were analyzed to evaluate the accuracy of the new measurement system. In addition, we present an evaluation method for predicting thermal conductivity in fine-grained soils.
Keywords
thermal conductivity; constant rate of strain consolidation; fine-grained soils; kaolinite; silica;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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