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http://dx.doi.org/10.7843/kgs.2010.26.4.15

Frost-Heaving Characteristics of Soil Mixed with Discarded Tire Powder  

Kim, Hak-Sam (Dept. of Civil Engrg., Yeungnam College of Science & Technology)
Seo, Sang-Youl (Dept. of Civil Engrg., Yeungnam College of Science & Technology)
Nakamura, Dai (Dept. of Civil and Environmental Engrg., Kitami Institute of Technology)
Fukuda, Masami (International Arctic Research Center, Univ. of Alaska)
Yamashita, Satoshi (Dept. of Civil and Environmental Engrg., Kitami Institute of Technology)
Suzuki, Teruyuki (Dept. of Civil and Environmental Engrg., Kitami Institute of Technology)
Publication Information
Journal of the Korean Geotechnical Society / v.26, no.4, 2010 , pp. 15-26 More about this Journal
Abstract
To determine the frost heave suppressing mechanism of soil mixed with tire powder, we conducted three kinds of laboratory experiments: measurement of unfrozen water, evaluation of thermal conductivity, and a frost heave. In this research, we focused on changes in the coefficient of permeability of the mixed soil, and first found that of the unsaturated soil. Next, in the case of the presence of ice, we took the ice-impeding factor into consideration to derive the coefficient of permeability of the frozen fringe from the area ratio of the soil and tire powder in mixed soil. The results show a positive correlation between the water intake rate and the coefficient of permeability. Moreover, we found that the frost heave decreased thanks to a reduction in the permeability and a fall in the unfrozen water content of the soil mixed with tire powder. We also calculated the weight of the water content of the soil and tire powder void quantitatively using the result of the volumetric ratio of mixed soil.
Keywords
Discarded tire; Frost heave; Permeability; Thermal conductivity; Unfrozen water content;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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