The Proceedings of the Thermal Engineering Conference
Online ISSN : 2424-290X
2015
Session ID : F113
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F113 Analysis of frost heaving based on biphasic swelling model
Kazuo AokiTakuro OsekiKenta Masuda
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Abstract
Based on biphasic mixture model including swelling effect, frost heaving for swelling soils has been investigated theoretically. For both periods of freezing and no freezing, the calculated results for swelling pressure were compared with the experimental results using bentonite particles. In period of freezing, the increase in swelling pressure is related to the increase in the solid fraction due to separating of particles from freezing front. In period of no freezing, the increase in swelling pressure is related to the equalization of the solid fraction distribution due to the diffusion of swelling particles combined solid and liquid attributes.
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© 2015 The Japan Society of Mechanical Engineers
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