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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국지반공학회 International Journal of Geo-Engineering International Journal of Geo-Engineering 제4권 제3호
- 발행연도
- 2012.9
- 수록면
- 29 - 35 (7page)
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초록· 키워드
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The sensitivity of fine-grained material is an important consideration for the analysis of geotechnical engineering. and can be influenced by the elements in the pore fluid saturating the clay. Chemical additives can be used to change the sensitivity as well as material properties typo: physico-chemical interaction in the pore fluid. The author investigated the changes in engineering properties and sensitivity of San Francisco Bay Mud (SFBM) with different chemical additives. Atterberg limits, hydrometer sedimentation tests, and the cone tests were performed. As a result, the additions of NaC1, sea salt, CaCI<sub>2</sub>, Ca (OI-1)<sub>2</sub>, and cement increase the plasticity index while the addition of SI-IMP (Sodium Hexametaphosphate) lowers the plasticity index, As to the sensitivity by fall cone tests, CaCI<sub>2</sub> reduced the sensitivities of wet bay mud, and other additives such as Ca (OH)<sub>2</sub>, cement, and SHMP increased the sensitivities. The sensitivity and material properties of bay mud may be effectively altered by introducing chemical agents at reasonable concentrations, e.g., for physical modeling in laboratory.
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