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Experimental Study of Frost Heaving using Temperature Controlled Triaxial Cell
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 Title & Authors
Experimental Study of Frost Heaving using Temperature Controlled Triaxial Cell
Ryu, Byung-Hyun; Jin, Hyun-Woo; Lee, Jangguen;
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 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;
 Language
Korean
 Cited by
 References
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