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http://dx.doi.org/10.14481/jkges.2016.17.6.23

Experimental Study of Frost Heaving using Temperature Controlled Triaxial Cell  

Ryu, Byung-Hyun (Geotechnical Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
Jin, Hyun-Woo (Department of Geotechnical and Geo-Space Engineering, University of Science & Technology)
Lee, Jangguen (Geotechnical Engineering Research Division, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korean GEO-environmental Society / v.17, no.6, 2016 , pp. 23-31 More about this Journal
Abstract
Nowadays abnormal coldness happens frequently in Korea and frost heaving causes unexpected ground deformation which results in severe problems for structures such as roadway, railroad and cutoff slope. 'Frost heave' as one of the primary phenomenon is considered to be an important factor together with 'adfreeze bond-strength' and 'creep deformation' for structural design process in permafrost area. Therefore, the fundamental study for frost heave has to be preceded for design of geo-structures in cold region. While various experimental apparatuses have been developed, there still exist a certain level of limitation to evaluate the frost-heave characteristics as design parameters. There are no standard testing method and criteria for analyzing frost heaving in Korea because temperature controlled testing apparatuses including a freezing chamber are expensive. In this paper, a new standard freezing and thawing testing apparatus is introduced, which simulates various freezing and thawing conditions in a soil specimen by using a temperature controlled triaxial cell. Frost heaving tests were performed to assess the new testing apparatus and experimental procedure to evaluate frost heaving for soils is proposed.
Keywords
Frost heaving experiment; Temperature control triaxial cell; Standard freezing and thawing method; Frost heave;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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