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http://dx.doi.org/10.5389/KSAE.2010.52.3.089

Micro-Structure Change Characteristics of Clay Suffered Freeze and Thaw Hysteresis  

Kodaka, Takeshi (일본 명성대학 토목공학과)
Yeon, Kyu-Seok (강원대학교 지역건설공학과)
Kim, Yong-Seong (강원대학교 지역건설공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.52, no.3, 2010 , pp. 89-95 More about this Journal
Abstract
There is the freezing method as one of the ground improvement methods for excavating an underground tunnel, and due to its improved reliability, recently construction cases of applying this method into sandy soil grounds as well as cohesive soil grounds of cities have been reported. But, applying the freezing method into cohesive soil grounds could bring concerns of the expansion of the whole ground and the settlements from thawing of ground. In this study, the deformation strength characteristics of cohesive soil which received freezing and thawing hysteresis were examined using the sample collected from the site of cohesive soil ground applied with the freezing method and its structural characteristics were analyzed using an electronic microscope. And, the test with cohesive soil reconstituted from cohesive soil which received freezing and thawing hysteresis was carried out and its result was analyzed comparatively. The result of this test showed that the structure of natural clay was significantly changed due to freezing and thawing hysteresis.
Keywords
Freeze; Thaw; Deformation; Micro-Structure; Clay;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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