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http://dx.doi.org/10.14481/jkges.2011.12.5.1

Drying Characteristics of Soil by Microwave  

Cho, Doohwan (SK건설(주) 토목기술팀)
Oh, Myounghak (한국해양연구원 연안개발에너지연구부)
Park, Junboum (서울대학교 건설환경공학부)
Publication Information
Journal of the Korean GEO-environmental Society / v.12, no.5, 2011 , pp. 5-12 More about this Journal
Abstract
Water content is one of the significant engineering properties of soil for predicting the behavior of soil matrix. Conventional drying oven can be widely used to obtain the values by drying the soil specimens for 16 to 24 hours at $105^{\circ}C$. Although a number of experimental data has been accumulated for the conventional method of drying soil for water contents, shortcomings of the method are still hard to overcome such as long drying time for in situ use and the difficulty of taking prompt actions against emergency cases. Recently, ASTM and JGS have established microwave oven drying techniques for obtaining water contents to cope with those problems. And the reliability evaluation study has been also performed on the microwave oven drying for water contents. Feasibility study of the microwave oven drying was performed to confirm the process of the technique with Jumunjin sand, kaolinite, bentonite, weathered granite soil, and organic soil. Investigation was also conducted on the factors affecting and enhancing the reliability of the technique.
Keywords
Microwave; Water content; Drying characteristics;
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